June 2015 - Danbury Area Computer Society
Contents
1. Brees X 86 COMPUTER running Power On Bios Starts POST Checks Master Boot Record Loads next get Boot Loader GRUB j Kernel loads into Ram load initial RAM disk image initramfs tee a oe Command Shell allows user interaction Windows Manager X Windows start Graphical User Interface 1003290087 L00 VOLO OC SOLO ROME 1 i wia Coc S11 file system onto the main drive launches the init program and clears itself from memory The init process is the parent process for all subsequent processes and runs until shutdown Dating back to early Unix meth odology the system goes through a num ber of run levels where various services can be started and stopped For example text based interfaces allow user interaction via a command line interface CLI and then a windows manager loads X windows and other configuration details to make a graphi cal user interface GUI With increasing operating system com plexity the systemd daemon was developed to replace init beginning in 2011 This ap proach bundled several other supporting daemons including journald logind and networkd Systemd has been adopted by many popular distros see partial list below The GNOME project is further integrating systemd and Ubuntu has committed to changing from its current system upstart to systemd There has been pushback from some Linux distributions claiming that it is too complicated 224 0002. Archive files with Archive name OpenPGP Archive name S MIME f Sign and Encrypt OpenPGP only t Encrypt t Sign I Text output ASCII armor Users n2nd Test txt tar C Users n2nd Test txt tar gz Remove unencrypted original file when done coe Figure 5 File Edit Format View Help This is a test file 10 June 2015 There are Many Ways to Join DACS An easy way to join DACS 1s to at tend one of the monthly general meet ings General meetings are normally held on the first Tuesday of each month at Danbury Hospital Or join right on our Website via the PayPal link where you may also pay by credit card without a PayPal account General meetings are always free to the public but only members benefit fully from DACS many other events activities and publications As a member you become part of a dynamic computer group in the Greater Danbury Area You will receive a subscription to dacs doc our award winning monthly newsletter packed with news and information pertinent to computer users of all levels In addition to inter esting feature stories the newsletter contains a monthly calendar of events and a recap of the the previous general meeting and last month s workshops Members may also post questions to the DACS Community Forum Members may also attend the monthly workshops where topics re lating to computers peripherals soft ware and operating syste
3. Next Event June 2 7 30 PM Video Production Basics For Home or the Superhighway With Greg Van Antwerp Franny Hannigan and Mark Ingram of Charter Community Access TV President s File HERE IS SO MUCH going on this month that it is difficult to know where to begin So I would like to start by sharing with you some of the great things we accomplished last month Andy Woodruff made a huge effort a planning and 4 setting up our Wage general meeting Mee featuring John RoS Patrick s excel lent presentation panel discussion and book launch for which the first 25 DACS members received John s new book Health Attitude In addition to that Andy supplied all the video recording equipment speakers and mixers He recorded the video of the entire event still editing combining video from 3 cam era angles to produce a very professional presentation for everyone who visits our website Tom Zarecki also deserves a lot of credit for an excellent job preparing and moderating the panel discussion as well as Lisa Leifels and Steve Harkness who helped set up and record video for the entire meeting The video recording of Tom s April presentation on Social Media should be available on Charter Cable community access channel 192 by the time you read this Check Charter s link in the June meeting preview article on Video Produc tion for the schedule It may also soon appear on Comcast and as a
4. Meeting called to order at 7 26 PM by NEWSLETTER Richard Teasdale dacseditor dacs org president Dick Gingras PROGRAM vpprograms dacs org In attendance Bert Lisa Liefels WEB MASTERS Richard Corzo rcorzo dacs org 203 797 1518 Richard Corzo Jim Sheef Dick Gingras Tom Zarecki and special guest Rob Willard Annette van Ommeren avanommeren dacs org 914 232 0149 PRESS RELEASES Richard Teasdale or dacs org Meeting topics APCUG LIAISON Bill Saturno 203 437 0611 1 Minutes approved from last meet MARKETING Cathy Quaranta cquaranta dacs org ing Passed w one abstention 2 Membership report See Bert s sub MEMBERSHIP COORDINATOR Charles Bovaird aam mags net mitted worksheet RESOURCE CENTER 203 748 4330 WEB SITE htto www dacs org 3 Attendance report 69 people were at last Tuesday s monthly meeting H L 4 Treasurer s report submitted sepa e p ine rately by Bert 5 400 in donations total the night of the healthcare seminar last Tuesday 6 Program Committee report Lisa no Our former telephone HelpLine has been replaced by our web based DACS Community Forum at http forum dacs org We have topic specific forums where DACS members can post questions Questions may be answered by Workshop meeting last month Next month s general leaders or other DACS members If none of the categories fit your question just post meeting on Tuesday June 2 The topic will it to the Ask DACS forum be vide
5. A i f Techrmeal arpia ear raupa ti Bill Saturno APCUG Liaison wsaturno dacs org r a Apple User Group http www dacs org _ _ __ hopefully have the privilege of working Officers with these students starting in June 25 anniversary Let s make this year DACS GENERAL NUMBER 203 744 9198 long celebration a success We want to PRESIDENT Richard Gingras dacsprez dacs org create a much broader awareness of DACS VICE PRESIDENT PROGRAMS vpprograms dacs org as we participate in new activities and SECRETARY Bert Goff TREASURER Bert Goff ere Coe eh T E DAS members and the general public Talk about i your ideas with Cathy Quaranta at the Directors check in table at our next general meeting dacsboard dacs org or let her know by email Richard Corzo 203 797 1518 rcorzo dacs org From mobile to desktop we inform 203 enlighten and educate 860 203 860 203 Richard Gingras Bert Goff Lisa Leifels Jim Scheef Bill Saturno 426 1780 rgingras dacs org 355 8895 bgoff dacs org Dick Gingras President 416 6642 lleifels dacs org 355 0034 AA Directors Notes 437 0611 wsaturno dacs org Cathy Quaranta cquaranta dacs org PanbarvAren Computer Society Andy Woodruff 203 744 9588 awoodruff dacs org DACS headquarters 198 Main Street Tom Zarecki ZareckiT wcsu edu Danbury CT Thursday May 7 2015 Committees Board Meeting Minutes
6. core program is GnuPG which you must install You will also need Kleopatra to manage keys GpgEX an extension to Windows Explorer that aids in encrypting and decrypting files and Gpg4win Com pendium documentation GPA is an alter native program to Kleopatra and you need only one of the two GpgOL is an extension to Outlook download it only if you have MS Outlook not Outlook Express Claws is an e mail client but unfortunately the current version has a bug that prevents it from working with encryption After you complete the installation you should read over the Compendium located in C Program Files Gpg4win I find the HTML version the easiest to navigate Most us ers will need only the components checked in the screen shot Using public key encryption requires that you have a different key for each per son with whom you communicate plus at least two for yourself You will first create a keyring and generate your own public and private key after which you can add the public keys of those to whom you wish to send messages Start Kleopatra click on Files then on New Certificate to open the Certificate Creation Wizard You will want a personal OpenPGP key pair you ll keep the private key and send the public one to oth ers who wish to send you encrypted e mail You could use the second option shown in the screen shot to publish your public key but this also publishes your e mail address and would probably increase the
7. spam you receive Figure 2 Keys are identified by your name and e mail address so you next would enter Choose Components Choose which features of Gog4win you want to install Check the components you want to install and uncheck the components you don t want to install Click Next to continue Select components to install GnuPG GPA Gpgo GpgEX C Claws Mail Gpg4win Compendium Space required 99 1MB Kleopatra Description lt Back Next gt Cancel Figure 1 http www dacs org these For this article I generated two keys one for each of my major e mail accounts Both are temporary so I set them to expire after just a week Right click on a key and select Proper ties to learn about more about it In the screen shot note the fingerprint This lets you quickly verify that a key you own re ally belongs the person it claims You could call that person and ask What are the last 5 characters in the fingerprint In this case the correct answer is 38E90 The fingerprint is a checksum and if any five characters are correct the odds you have an invalid key are infinitesimal Figure 3 The procedure is similar to add someone s public key is similar Put the file containing their certificate somewhere on your PC in Kleopatra click on File then on Import certificate and follow the instruc tions Figure 4 Select a file for encryption with Win dows Explorer assuming
8. sponsored Workshops and Events We have just finished an excel lent series of three workshops which we co sponsored with SCORE and Microsoft on using Microsoft Office These work shops were well attended by DACS and I expect to see new DACS members as a result There is a limit to how much can be covered in 3 sessions but there was a lot of interest in extending these into a series of DACS workshops Stay tuned We are co sponsoring another work shop with the Danbury Library and SCORE on Running a Restaurant This is sched uled for Saturday May 30 at the Danbury Library and described elsewhere on our website Excellent student presentation at WCSU Lisa Leifels and I attended the last Marketing 315 class of the semester run by Professor Tom Zarecki This class focused on Advertising and Social Media Two teams of his students presented their class projects on how we might increase awareness of DACS and attract new members Lisa and I were so impressed that I invited both teams to present their findings to the Board New interns coming to DACS I have identified two areas where we can use some help Marketing and IT Support I must admit that I was so inspired by the capability and preparation of the student presenta tions that I was motivated to seek help from the University Tom got me in touch with the Career Development Center at WestConn and I made my case for two student interns who will receive college credits I
9. will be reviewing resumes and will DACs Membership Information dacs doc ISSN 1084 6573 is published monthly by the Danbury Area Computer Society 65 Legion Rd New Milford CT 06776 Annual subscription rates 60 to regular members 40 electronic ac cess included in dues Postmaster Send address changes to Danbury Area Computer Society Inc 4 Gregory Street Danbury CT 06810 4430 Editorial Committee Managing Editor Production Editor Richard Teasdale Allan Ostergren Contributors Charles Bovaird Richard Corzo Drew Kwashnak Lisa Leifels Dave Mawdsley Bruce Preston Bill Saturno Jim Scheef Annette van Ommeren Andy Woodruff DACS its officers and directors as sume no liability for damages arising out of the publication or non publica tion of any article advertisement or other item in this newsletter The editors welcome submissions from DACS members Contact Richard Teasdale dacseditor dacs org Ad vertisers contact Charles Bovaird at 203 792 7881 aam mags net Copyright Nonprofit groups may request permission to reprint articles from dacs doc or http www dacs org by sending e mail to dacseditor dacs org Re printed articles shall credit the copyright holder and a copy of the final publication shall be mailed to Danbury Area Computer Society Inc 65 Legion Rd New Milford CT 06776 Momber al Xk i be apcu ug s k ai pia Group m be rises ae AR Intemational ae
10. you have in stalled GpgEX by right clicking on the file and selecting Sign and encrypt See the compendium for other options You then select the key which will always be a pub lic key your own if the encrypted file stays on your computer or someone else s if you will e mail it to them You can select as many keys as you like which makes it conve nient to send encrypted files to several people It s a good idea to include your own key to files you send to others since if a file is encrypted only with someone else s public key you can t decrypt it In many cases you will have to enter your pass phrase to access the keys on your keyring As the next screen shot shows you have a second chance to decide whether you want to both sign and encrypt the file and you also can decide whether the encrypted file will consist of binary or ASCII digits Use the former for files that stay on your com puter and the latter for e mail Figure 5 The next two screen shots show the contents of a test file and its ASCII coded encrypted counterpart Figure 6 ASCII coded files have asc appended to their names while binary coded ones have pgp The encrypted version is larger because it has preambles each containing the key to decrypt the body of the file in turn encrypted with the recipient s public key and probably the sender s signature encrypted with his private key If there are several recipients there will be several pre ambles
11. To decrypt a file use the same proce dure as when encrypting it but select De crypt and verify after you right click on the filename The easiest way to send encrypted e mail is to create a file on your PC encrypt it http www dacs org Choose Certificate Format Please choose which type of certificate you want to create Create a personal OpenPGP key pair QpenPGP key pairs are created locally and certified by your friends and acquaintances There is no central certification authority instead every individual creates a personal Web of Trust by certifying other users key pairs with their own certificate Create a personal X 509 key pair and certification request 509 key pairs are created locally but certified centrally by a certification authority CA CAs can certify other CAs creating a central hierarchical chain of trust Next Cancel Figure 2 A Kleopatra File Wiew Certificates Tools Settings Window Help Redisplay se Stop Operation ae Lookup Certificates on Server E My Certificates gt i My Certificates ii Trusted Certificates Other Certificates o E E Mail n2ndee qmail com a q Export Certificates Details OpenPGP Dick Maybach OpenPGP Focss624 2014 04 03 2014 04 11 Overview User IDs amp Certifications Technical Details Chain 4 gt This certificate is currently valid User ID Dick Maybach lt n2nd att
12. YouTube video I encourage everyone to attend the June meeting You may hopefully want to get involved in video production of DACS IN THIS ISSUE PRESIDENT S FILE DIRECTORS NOTES HELPLINE REVIEW JOHN PATRICK HEALTH ATTITUDE PREVIEW VIDEO PRODUCTION BASICS Worksuopr News amp NOTES JUNE CALENDAR O l AAR WH WwW KL ASYMMETRIC ENCRYPTION Many Ways To Join DACS 10 SYSTEMD A REPLACEMENT FOR NIT 11 Bucky MILAM CARTOON 11 FUTURE EVENTS 12 2 June 2015 meetings It might be a nice creative sideline for you to enjoy and Charter will train you for free With enough support from DACS members I hope to produce recordings of our meetings as a regular occurrence Tell us which new presentations you would like to see or email us directly at programs dacs org If you like what we are doing please help to spread the word about DACS our excellent presentations each month our new video productions and the growing list of workshops we run and co sponsor with other groups throughout the month Use social media to spread the word Speaking of which The new Social Media workshop series will begin on Wednesday May 27th at our Resource Center The first workshop will be a hands on boot camp to get you started using a few of the popular sites Later workshops will explore more in depth how to use and benefit from each of the popular social media applications I am looking forward to this DACS co
13. ation is also free and open to DACS members and the general public start ing at 7 30 pm on Tuesday June 2 in the Creasy Auditorium at the Danbury Hospital There is plenty of free parking in the guest parking garage adjacent to the auditorium After the meeting everyone is invited to the Danbury Hospital Praxair Caf for additional networking Mark Ingram June 2015 5 6 June 2015 Workshops Workshop NOTES June 2015 Apple Focuses on all aspects of the Mac and iPhone operating systems Contact Richard Corzo macsig dacs org Meets 2 Tuesday 7 p m at DACS Resource Center Next Meeting June 9 Digital Imaging All about digital cameras retouching and printing using various programs Note SIG is suspended until further notice Drupal Covers all things on Drupal the open source content management system CMS Contact Jim Scheef scheef dacs org Go to the DACS Community Forum htto Wwww dacs org forum within the Members only area Next meeting Look for future announcements Jobs Networking and jobs search Contact Charles Bovaird 203 792 7881 aam mags net Go to DACS Community Forum htto forum dacs org for job listings Linux Helps in installing and maintaining the Linux operating system Also of interest to Apple owners using OS X Contact Dave Mawdsley linuxsig dacs org Meets 3 Wednesday 7 30 p m at the DACS Resource Center Next Meeting June 17 Mobile Devices Window
14. eir time spent reading e mails or making Skype calls Dr Passik mentioned the distrac tion of typing in patient notes into an EHR during a patient visit John asked why we couldn t capture voice record ings and have the system translate them so data is properly entered in the elec tronic health record The discussion next veered into the problem of so many different systems being incompatible sometimes requiring the entry of the same data multiple times John contrasted the health care sys tems in Europe with that in the United States Doctors in Europe do not have to pay for the liability insurance that American doctors must have and they don t have the huge medical school debts to pay off that American doctors do Administrative costs are lower over seas but not because they have a single payer system Germany has 200 payers Canada with thirteen provinces has thir teen payers Other topics brought up by the pan elists ranged from minimally invasive procedures telemedicine robots exam ining a patient controlled remotely by a physician and physician training that involves practicing procedures on pa tient simulators as well as practicing communication with patients Hospitals are experimenting with hospitalizing pa tients in their own homes Touching on policy John mentioned the United http www dacs org States is the only developed country that doesn t pay for health care for ev eryone Dr Passik ment
15. ersely if you encrypt a message using your private key anyone who successfully decrypts it using your public key knows that it must have come from you Commonly this latter technique is used to send a digital signa ture For example you would send some one a message encrypted with their public key and include a signature encrypted with your private key Clearly the tricky part of this method is to be sure that a public key really belongs to the person you think it does This is especially important if you obtain a key from a Website Most encryption tech niques used by private individuals conform to the OpenPGP standard http www openpgp org which has been sub jected to many rigorous audits by experts in security This standard includes features to help you verify that a public key be longs to the person you think it does A complication of this method is that you must keep track of many keys made up of long sequences of random charac ters your own private key your own pub lic key and the public keys of everyone to whom you which to send encrypted files These are stored in a file called a keyring which you encrypt with a pass phrase and keep on your computer Because you must remember the pass phrase it s not as se cure as the message keys but a keyring is not exposed to as many threats as mes sages sent over public media The standard open source asymmetric encryption program is GNU Privacy Guard GnuPG h
16. es to explain is how the Internet and mobile devices are going to change healthcare in the United States John started the meeting with an over view of the health care system in this coun try A big problem is cost Factoring into this is fraud payer systems that are be ing billed for procedures not performed Doctors may order unnecessary tests and procedures although sometimes this is due to the risk of being sued Costs are twice as high in the U S compared to other de veloped countries indicating inefficiency in our system Big Pharma the nickname for the vast pharmaceutical industry and its lobbying group charges prices in this country way beyond what they charge in other countries and it s illegal to buy drugs from overseas John offered solutions in three areas which are covered in more detail in his T MAY GENERAL MEETING ens a 4 June 2015 book The first is that a change in atti tude is required Patients need to take more responsibility and ask questions about their medications and procedures that are ordered Of course they have a role in developing healthful habits to prevent problems from developing in the first place Attitudes of physicians are already changing but the system needs to change so that it compensates for wellness and not just sickness Payers need to provide motivations for cost sav ings Politicians attitudes need to change as well but John admitted he didn t have time t
17. ioned that ev eryone wants access to health care but no one wants to pay for it Our taxes pay for police fire schools and a mili tary so why not health services Also what is the responsibility of people for their own health with the health habits they choose The meeting concluded with a ques tion and answer session with audience members who were either physicians or who shared their experience as patients Some of the questions and topics were e Why is the U S different from Europe Meeting Preview e How patient care can transition from being focused on physician efficiency to being patient centered e Defensive medicine practiced to defend against possible lawsuits e The cost of drugs It s a felony to buy drugs more cheaply overseas and re sell them e Direct to consumer We re the only country in the world that permits ad vertising drugs to consumers The entire meeting was videotaped and it is expected to be broadcast on Charter cable systems possibly Comcast and made available online Watch for future announce ments on the DACS website Video Production Basics For Home or the Superhighway By Lisa Leifels Date Tuesday June 2 7 30 p m Location Danbury Hospital CreasyAuditorium Presenters Greg Van Antwerp Franny Hannigan Mark Ingram Topic Video Production RE YOU ONE OF the growing A nine of people spending more of your time online watching digital videos Instead of just wa
18. lines of code vs 15 000 lines for init and does not put everything in one place They say this violates the Unix principle of using lots of small independent programs that do one thing and do it well Currently Gentoo and Slackware have refused to adopt systemd and some community mem bers are boycotting distros that use it IR A NN Such resistance to change is common with programmers who dislike changing from a tested system which has a long history of successfully working Expect the next series of complaints to occur when new windows managers such as Wayland replace X win dows for GUI Computer operating systems must constantly change to keep up with the progress in hardware CAL ESNEAULT is former president of CCCC leader of many Open Source Workshops amp SIGs This article was published in the October 2014 issue CCCC Computer News Newsletter at clickers org www clickers org Distros using Systemd Fedora 1 to adopt Arch Red Hat Centos Gentoo OpenSuse Debian default for Jessie Ubuntu optional now default in next version Directors Notes Cont from page 3 13 Tom will be soon announcing date for monthly social media workshops 14 Guest Rob Willard s presentation that he and his team of interactive market ing students of Tom Zarecki s class at WestConn last week a Need to increase links to DACS org from b Google mobility test c Google a
19. ms are dis cussed Workshops meet throughout the month at our Resource Center in downtown Danbury unless mentioned otherwise in the calendar Occasionally special topic sessions are also offered to members Individual Family Memberships Annual membership dues are 40 00 for individuals or for each family living at the same address Annual member ships which include a printed newslet ter are available for 60 00 a year http www dacs org Operating Systems systemd A Replacement for init by Cal Esneault Linux follows a typical boot process to initialize the operating system After power up software stored on a ROM chip the BIOS initializes the hardware screen keyboard memory test known as the power on self test or POST Next the boot loader software is located and put into memory for example location stored in Master Boot Record section at start of drive GRUB the Grand Unified Boot Loader is commonly used for Linux It has a text interface which allows selection of a kernel and is responsible for loading the kernel image and initramfs the initial RAM disk it contains critical files and device driv ers needed to start the system When the kernel is loaded into RAM it immediately initializes and configures the computer s memory and also configures all the hard ware attached to the system such as pro cessors I O subsystems storage devices etc The initramfs system mounts the root
20. n the meeting we ll do some online research to try to answer this question We could look for an application or a how to on YouTube or maybe even a Firefox or Safari plugin He had a similar question about recording audio and burning a CD That should be an easier question to answer Richard Corzo Social Media Preview After last month s social media talk many DACS members said YES to an ongoing social media workshop where Mr Z could work with everyone Well here it is In just 90 minutes you ll learn e THE TOP 4 FORMATS Facebook Twitter LinkedIn amp Instagram e HOW TO TALK TO MILLIONS no matter how few followers you have e HOW HASHTAGS say hi while HANDLES find followers friends e HOW TO GET MORE EYEBALLS than the original by re writing posts quickly e HOW TO AVOID THE BIG TIME SUCK stop losing hours w social media Join Mr Tom Zarecki MBA who will spend time answer ing YOUR questions Just show up at DACS Resource Cen ter in Danbury address below LEARN FROM EXPERTS Tom Z is a DACS board member radio announcer advertising expert and lifetime media pro who teaches radio marketing and social media at Western CT State University PLUS Tom is bringing his best social media students too to help you get going or advancing to the next level BRING YOUR OWN MOBILE DEVICE smartphone tablet or laptop so you can practice while you learn The workshop is FREE Wednesday May 27 6 30 t
21. nalytics d Topics from various people to build resumes need diversification Oe 1801 1 O2466900116 ATI J0 NN iNi ini TOLLA AO Ky WN i e Aggregate web sites are winning these days f Huge discussion on social media g Needs to be an outreach to people to teach future workshops 15 Tracking student membership ideas discussed Simply allow all student IDs 16 Half price for student ID for mem bership Vote unanimous 20 half price 17 Richard proposed changing board meetings to Thursday after gen meeting Voted down 18 Bert suggests thank you note for donations 9 44 PM meeting adjourned wei WOOT 1 1 oad TW W A HI 04 odli Y D k WI Soe W coo oI Wi Tor Lae my Ja L ait a D Ae AM Your problem appears to be that some of the ones and zeroes in your Windows code are switching their orientation Dick Gingras June 2015 11 http www dacs org dacs doc Danbury Area Computer Society 65 Legion Rd New Milford CT 06776 d k j A DI 4 ie ae x Voice for a Joanie j Help give the gift of speech Call Frank Ruiz at 208 770 6208 and become 4 Voice for Joanie volunteer When you come to the next DACS meeting why not brin ga friend www voiceforjoanie org Future Events June 2 July 7 Video Production Basics Ira Wilsker For Home or the Internet Security Superhighway August 4 September 1 TBA TBA
22. net gt Validity from 2014 04 03 23 25 through 2014 04 11 12 00 Certificate type 2 048 bit RSA secret key available Certificate usage Signing EMails and Files Encrypting EMails and Files Certifying other Certificates 50CS8E90 6D 7CDE 1096 7E62B36C 1FBSE6 18 7543S0D50C338E90 ultimate on this computer Key ID Fingerprint Ownertrust Stored Photo q Actions Change Passphrase Change Expiry Date At the moment Kleopatra does not support photos in certificates Ithas no support for adding nor for displaying them This is for the following reasons Photos give a false sense of security Photos increase the size of certificates Figure 4 June 2015 9 with both your and the recipient s pub lic key sign it with your private key and use text output Then open the file and transfer its contents to the e mail mes sage using copy and paste Ctl C Ctl V This works with any e mail client pro gram and also with e mail accounts you access with your Web browser The re cipient opens the e mail and an editor transfers the information in the same way and decrypts the resulting file as usual You could also send the encrypted file as an attachment but dealing with attachments is inconvenient with some Web based e mail services The process is easier if you have an e mail client program that can encrypt and decrypt direc
23. o 8PM Don t be late Bring your own device and plug to the DACS Resource Center 198 Main Street in Danbury Interested Questions Text Tom Z 914 548 4948 email tomZshow gmail com http www dacs org June 2015 Danbury Area Computer Society Tuesday Wednesday Thursday i saturday Board of General Meeting Directors Membership Committee 7 00 PM Jim Scheef 860 355 0034 Apple 7 00 PM Richard Corzo macsig dacs org Single Board Web Design amp DTP Computers Annette Workshop DACS DOC van Ommeren 7 30 9 30 PM 7 00 PM ee ik Dave Mawdsley Jim Scheef Aeaee ae ete ia org linuxsig dacs org 860 355 0034 Social Medi PR amp Marketing ocial Media i Tom Zarecki ome 6 30 8 00 PM 6 30 8 30 PM tomZshow gmail com Secure Computing Asymmetric Encryption By Dick Maybach SYMMETRIC OR PUBLIC KEY A cxvsien uses a pair of keys a private one that you keep secure and a public one that you publish A file encrypted with one of the key pair can be decrypted only by using the other one It is difficult that is it would require many years of computer time to find the private key even if you know the public one This technique is used to exchange information securely with others using an insecure communication system such as the Internet Anyone who has your public key can encrypt a message with it that only you can decrypt since only you have the corresponding private key Conv
24. o go into that area Technology is a key area that will help change the healthcare system The Cray Supercomputer developed in the 1970s filled a large room and cost 5 000 000 but smartphones today are 150 times more pow erful The motion coprocessor on recent iPhones can constantly monitor your steps position and posture and the Health app in 1OS 8 on your iPhone has 900 apps that feed information to it Attachments to a smartphone camera can analyze a blood test strip for cholesterol Electronic health records EHRs can be tied into the Health app and monitor for example heart irregu larities potentially alerting a physician A TUT TT a ae Left to right Dawn Miles Aparna Oltikar Cary I Passik John Patrick Tom Zarecki DCS CellScope is an iPhone otoscope that can take a picture and detect an infection in someone s ear Another sensor attachment can provide a 30 second EKG The Isabel differential diagnostic tool can ask a few questions about symptoms and come up with some probable diagnoses prior to coming in for a doctor s visit The new field of regenerative medicine is doing experi ments where tissues can be 3D printed from pluripotent stem cells and used to repair organs The last area is policy Big data and analytics can look at population health The accountable care organization ACO concept means payers pay based on population health which breaks the old model After John s introd
25. o production Charter cable will be sponsoring an upcoming workshop plus Topic Forum their own internship program 7 Webcast virtual technology confer NET Programming ASP Net and C VB Net Workshop ence on Internet security Digital cameras scanners image processing Digital Imaging Workshop 8 Workshop discussion of which day of week is best no decision reached 9 Discussion of posting on DACS Linux Linux Workshop website topic how to start a workshop Mac and 1Phone iPad iPod touch Apple Workshop ee a Leal PC maintenance PC Maintenance Workshop 11 Two more 9AM to 10 30 AM Saturday workshops at Microsoft on May 9 and May 16 Attendance at last Virtual machine software Virtual Computing Workshop Saturday s workshop was 13 12 Ongoing workshops still being debated Content Management Systems Drupal Workshop Smartphones amp Tablets Mobile Devices Workshop Desktop publishing and website design Web Site Design Workshop Windows Windows Workshop Directors Notes Cont on page l1 http www dacs org DCS June 2015 3 Meeting Review John Patrick Health Attitude By Richard Corzo was heavily publicized and well attended it generated DACS s highest attendance in several years It was designed to promote John Patrick s im portant new book Health Attitude Unrav eling and Solving the Complexities of Healthcare John received a doctorate in healthcare administration last year One thing the book tri
26. s 8 Smartphones tablets and e readers of all makes and models Contact Richard Corzo and Jim Scheef Mobilesig dacs org Meets fourth Thursday 7 p m at the DACS Resource Center Workshops News amp Events Next Meeting Workshop Suspended PC Maintenance Review of PC hardware and OpSys maintenance and use Contact Charles Bovaird 203 792 7881 aam mags net Go to DACS Community Forum http forum dacs org Single Board Computers Workshop Explores various small cheap computers like Raspberry Pi Arduino Netduino Beaglebone and more Meets on third Thursday at the DACS Resource Center Contact Jim Scheef scheef dacs org or go to the DACS Community Forum htto www dacs org forum within the Members only area Next Meeting June 18 Social Media Master the basics of Facebook Twitter LinkedIn and Instagram Contact Tom Zarecki 914 548 4948 email tomZshow gmail com Meets on the 4th Wednesday of the month at 6 30pm usu ally at the DACS Resource Center but check the monthly schedule Next Meeting June 24 Web Design and DTP Learn how to work with HTML CSS CMS Systems WordPress SEO and more Contact Annette van Ommeren avo annagraphics com Meets 3rd Tuesday 7 9 p m at the DACS Resource Center Next Meeting July 21 Apple We got a question from one of our Apple Workshop members Can you suggest a good way to record videos play from the internet Then later can burn a DVD I
27. tching would you like to learn how to create and share your own digital videos This is the topic that will be covered on June 2 at the next DACS general meeting by Greg Van Antwerp Franny Hannigan and Mark Ingram who all work at Charter Commu nity Access TV The three person panel will start off with a brief introduction to public access television including the history of it and where it is today They will go over the three different types of training that Char ter CTV offers to the public at their studio and they will also talk about what equip ment is necessary for the training class F Franny Hannigan DNCS Greg Van Antwerp Greg is the Charter CTV supervisor and has been with the company since 1988 He is constantly learning more about multi me dia presentations marketing and social me dia content distribution Franny is the Com munity Access Coordinator for Charter and is in charge of the video production training department at CTV Mark has been a coordi nator with Charter since 1998 and special izes in equipment management and training The majority of their presentation will be spent demonstrating how to create a video and how to upload it to YouTube and then share it both on Facebook and Twitter This will be a great opportunity to learn more about Charter CTV s training course that will be starting soon the good news 1s that it is free and no prior experience is necessary This present
28. tly as this avoids the copy and paste operation but these are rare in the Windows world Gpg4win does include Claws mail which has optional add ons that are intended to provide this service Unfortunately the version avail able at this writing has a fatal bug The window that asks you for your pass phrase never appears and the program What do you want to do waits forever for you to enter it If you install the add on you will completely disable gpg4win including the file op erations we ve been discussing here I was able to regain these functions only after I went back to a Windows restore point and uninstalled then reinstalled gpg4win Hopefully this problem will be corrected soon In the meantime the copy and paste operations are not that inconvenient Gpg4win and its Linux and Mac coun terparts provide a secure standard and convenient method of encrypting individual files and e mail They deserve much wider use than they have Perhaps as the head lines about privacy violations continue more people will realize how foolish it 1s to ignore the security risks of digital storage and communications Dick MAyYBACH is a member of Brookdale Computer Users Group NJ n2nd at att net www bcug com This article appeared in the July 2014 issue BUG Bytes and is reprinted by permission for APCUG user groups Please select here whether you want to sign or encrypt files Selected file 0 Users n2nd Test txt
29. ttp www gnupg org Al though GnuPG is a Linux program there are related ones for OS X https gpgtools org and Windows http www gpe4win org TH use the Windows 8 June 2015 variant as an example of how to use this type of encryption but this won t be a de tailed user s manual as one is available on the developer s Website Gpg4win includes the following programs e GnuPG GnuPG forms the heart of Gpg4win the actual encryption soft ware e Kleopatra The central certificate admin istrator of Gpg4win which ensures uni form user navigation for all cryptographic operations e GNU Privacy Assistant GPA is an alternative program to Kleopatra that manages certificates e GnuPG for Outlook GpgOL is an ex tension for Microsoft Outlook 2003 and 2007 which is used to sign and encrypt messages e GPG Explorer eXtension GpgEX is an extension for Windows Explorer which can be used to sign and encrypt files using the context menu e Claws Mail is a full e mail program that offers very good support for GnuPG You download only those components that you need Thus Gpg4win provides a complete suite of cryptography tools to manage keys encrypt e mail and encrypt indi vidual files on your PC Installation is quite easy just download the installa tion file and run it You will soon see a Window that lets you select the spg4win Setup r components to install Figure 1 below The
30. uctory talk the meeting moved on to a panel discussion moderated by Tom Zarecki adjunct pro fessor in the Communication and Media Arts department at Western Connecti cut State University The panelists were e Dawn Myles APRN Vice President Quality and Patient Safety at Western Connecticut Health Network e Aparna Oltikar MD Chairman of the Department of Medicine for Danbury and New Milford Hospitals e Cary Passik MD Chief of Cardiothoracic Surgery at The Praxair Regional Heart and Vascular Center at Danbury Hospital e John Patrick DHA President Attitude a SS ee ee ee a ee ee a a TT m Bi CSE Sr E eS E ee http www dacs org __ Tom started off with a question How do you measure the quality of health care Panelist answers were e The best possible outcome for a patient e Did the patient get what they came for Longitudinal tracking of quality across time not just the initial out come The quality of life for both patient and family John mentioned Atul Gawande s book Being Mortal Medicine and What Matters in the End Dr Oltikar explained her role as a hospitalist a specialist who manages a patient s inpatient care The panelists mentioned communi cation between doctors as a problem and John mentioned ways to automate communication e g using a tool as simple as e mail However until we move to an accountable care model physi cians are not compensated for th
Download Pdf Manuals
Related Search