MUUGLines The Manitoba UNIX User Group Newsletter Volume 31 No. 9, May 2019 Editor: Bradford C. Vokey Next Meeting: May 14th, 2019 Where to Find the Meeting Presentation: AWS VPC (Virtual Private Cloud) ,ni ersity of Winni&eg, Room 1M2. Wyatt Zacharius will show -eetings are held in the us Amazon Virtual Private .niversity of Winnipeg's Cloud (Amazon VPC) which -anito%a Hall# on lets you provision a logically the east side of the isolated section of the AWS .niversity Cloud where you can launch Comple)! AWS resources in a virtual networ that you define! You have complete control We are back in room 1M28! over your virtual networ ing environment, including selection of your own IP address range# 1oors are usually open by 7344 creation of su%nets# and configuration of route tables pm with the meeting starting at and networ gateways! You can use both IPv& and 2354 pm! Par ing is available on $Pv' in your VPC for secure and easy access to the surrounding streets! See resources and applications! uwinnipeg.ca/maps for further information about par ing and "ou can easily customize the networ configuration access to the campus! for your Amazon VPC! For e)ample# you can create a pu%lic*facing su%net for your we% servers that has Crontab access to the Internet, and place your bac end 67354 - Meeting begins / Announcements (init) systems such as databases or application servers in a private*facing su%net with no Internet access! You 673&4 - Roundtable can leverage multiple layers of security# including ,4344 - R:(- security groups and networ access control lists# to help control access to Amazon EC, instances in each ,436; - Break - eat and socialize su%net. ,4354 - Presentation & questions ,63&; - (sigterm) #$%M: Stupid Bash Tri(ks ,,3443 Room must be empty (sigkill) By Katherine Scrupa Prepare to be amazed# delighted# and confused! 0el& us promote this month1s meeting, by putting this poster up on your workplace bulletin board or $he latest meeting details are al+ays at: other suitable public message board: https://www.muug.ca/meetings/ https://muug.ca/meetings/MUUGmeeting.pdf 1 May Door Prizes: 4oo!/ye, Shado+*an: Along with our usual e*%oo give away this month #e! 0at (hanges its logo we will also be giving away the printed boo s3 ,s the Sha"o-man too “sneaky” for IBM0 4oogle Hacks 100 Industrial6Strength $i&s & Tri()s By Rael Dornfest, Tara Calishain Publisher: O Reilly Media Release Date: February 2%%& Pages: 3'$ :he Internet puts a wealth of information at your OLD NEW fingertips# and all you have to know is how to find it. Decades ago, Red Hat came up with its iconic logo: ?oogle is your ultimate Shadowman. Times change, however, and so do research tool -* a search engine that inde)es (at the Linux companies. As Red Hat CEO, Jim Whitehurst time of this writting) more than 2!& billion we% tweeted: pages# in more than 34 languages# conducting more .$1 years ago, @Re"3at was a scrappy startup than 1;4 million searches a day! The more you know sneaking into data centers with boxe" copies about Google# the better you are at pulling data off of a Linux-base" operating system. To"ay, the We%! You/ve got a cadre of techni>ues up your -e re the lea"ing pro7i"er of open source sleeve -* tric s you/ve learned from practice# from solutions for the enterprise hybri" clou"6 e)changing ideas with others# and from plain old 8e 7e e7ol7e" -- an" so has our logo6/ trial and error -* but you/re always loo ing for better ways to search! It's the “hac er” in you3 not the :he change was promted bac in 2462# when, as Tim trou%lemaking kind# but the kind who really drives "eaton, Red Hat e)ecutive vice president and chief innovation by trying new ways to get things done! If mar eting officer# e)plained3 this is you# then you/ll find new inspiration (and valuable tools# too) in Google Hac s from O/9eilly/s .9n early 2%:; sur7ey ha" re7eale" that new Hac s Series! people sa- Sha"o-man as Sinister6 Secreti7e6 <7il. Sneaky6 These respon"ents might not Java and XM: ha7e kno-n anything about Re" Hat, but they By Brett Mc(aughlin "i" belie7e that man lurking in the sha"o-s "i"n t imme"iately inspire their trust. In their Publisher: O Reilly Me"ia sur7ey responses, they won"ere" who he was Release Date: June 2%%% an" what he was doing in the logo6/ Pages: 4+' Well at least the colour hasn't been changed to IBM Cava revolutionized the blue, (yet). programming world by providing a platform* Creati e Co**ons :i(ense independent programming language! X-E takes the <4cept where other-ise noted, all te4tual revolution a step further with a platform* content is licensed under a Creati7e Commons independent language for interchanging data. 9ttribution5Share9like 46% International (icense6 :his is the first boo to cover the versions of the 1B- specification (1B- 2)# the SAD API (SAD 2) https://creativecommons.org/licenses/by-sa/4.0/ and Sun's Java API for X-E! 2 Fe!ora ;0 #elease! $he su**er o- 2019 *ar)s the <0th anni ersary o- ,nix (edora 34# the newest release of the venerable Linu) distri%ution that serves (in part) as the staging envir* onment for Red Hat Enterprise Linu)# was released on April 34th! Fedora 34 now uses GCC 9!4# bringing modest performance improvements across all applic* ations that have been recompiled using the new version. (edora 34 ships with GFB-E 3!5,# which includes more ro%ust support for Hi1PI displays# e)peri* Ken Thompson (sitting) and Dennis Ritchie working mental non-integer scaling, and bac end together at a PDP-11 improvements# resulting in “noticeable frame rate improvements#A according to the release :he history of Uni) dates bac to the mid*67'4s announcement. when M$:# A:=: Bell Labs# and GE were jointly developing an e)perimental time sharing operating Some of the changes below the surface3 Bash 5!4# system called Multics for the G+*'&; mainframe! <oost 1!'7# gli%c 2!,7# Ru%y 2!' and P0P 7!5! <ell Labs# frustrated by the size and comple)ity of <ig changes were made using Zchunk to compress -ultics but not the aims# slowly pulled out of the repository metadata, and using more efficient deltas# proHect! Their last researchers to leave Multics# Ken to greatly speed up the DF( pac age manager :hompson# Dennis Ritchie# Doug Mc$lroy# and Joe (which is often criticized for being sluggish# Bssanna among others# decided to redo the wor on compared to apt.) a much smaller scale! In 1727# Dennis Ritchie descri%ed their vision for Uni)3 $f it has been some time since you/ve taken a loo at (edora, now is a great opportunity to become re* .8hat we wante" to preser7e was not just a ac>uainted with this long*running Linu) distri* goo" en7ironment in which to do %ution. programming, but a system aroun" which a fello-ship could form. We kne- from exper5 Scienti-i( :inux 'eing Discontinue! ience that the essence of communal computing, as supplie" by remote-access, Scientific Linu) will not be developed anymore! It’s time-share" machines, is not just to type creator# Fermila%# is replacing it by CentOS! programs into a terminal instea" of a Scientific Linu) is one of the lesser known Linu) keypunch, but to encourage close communic5 distri%utions that was created to serve a niche user ation6/ %ase! Scientific Linu) was based on Red Hat Enter* :hroughout 2467 there will be events around the prise Linu) and was co*developed by Fermi National world by many different organizations who are Accelerator Laboratory and the European Organiz* cele%rating the 54th! ation for Nuclear Research (C+9N)! https://www.bell-labs.com/unix50/ 3 ; Free A&&s to Manage your $t is designed to easy to use and be able to analyse your personal finance and budget in detail using Personal Finances using :inux powerful filtering tools and beautiful charts! By: Bradford C. Vokey, M??@ Treasurer $f you are loo ing for a completely free and easy :here are numerous services available on the we% application to manage your personal accounting, for managing your personal finances! Although they %udget, finance then Home<ank should be the may be convenient, they mean leaving your most software of choice! It’s available on at least 7 of the valuable personal data with a company you may not official distri%ution repositories! %e able to fully trust. Why not use a program that you can maintain and control on your own system! 0ere are 3 apps that run under Linu) that are free to chec out: 4nuCash Bne of the most venerable free G.$ apps for personal finance is GnuCash! GnuCash is not just for personal finances! It also has functions for managing income# assets# and liabilities for a business! That doesn’t mean you can’t use it for managing just your http://homebank.free.fr/en/ own accounts! It comes with an online tutorial and guide to get you started! =MyMoney :he K-y-oney app is a mature app that has been -ost linu) distri%utions come bundled with a around for a long while! It has a ro%ust set of version of GnuCash# though it/s not always the most features to help you manage multiple accounts# recent version and it may not have been installed by including assets# liabilities# ta)es# and more! default.