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24%
Kolab iRony with CalDAV and CardDAV support
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Pablo Hidalgo, 123RF.com
installation of Kolab 3.0 and later is a matter of one or two cups of coffee and does not impose too many requirements on the admin. The Kolab developers recommend a recent CentOS (preferably 6.4) as the basis
24%
Selecting compilers for a supercomputer
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image Photo by Michal Kmet on Unsplash
with approximately 8,200 cores each, and six newer islands with 14,300 cores each. It achieves a speed of around 6 petaFLOPS (10^15 floating-point operations per second). In total, almost 500TB of main memory
24%
Let the Editor Wars Begin!
25.08.2016
Home »  HPC  »  Articles  » 
are in is one of the earliest aspects of vi that need to be mastered. Figure 1 shows vi running running in Normal mode on my Linux CentOS 6.8 desktop. At the bottom of the screen is the colon (: ) prompt
24%
Security data analytics and visualization with R
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Rancz Andrei, 123RF.com
and document the evidence Principle 6: Content is king The subtext of each of these principles is that a graphic should tell a complete, credible story while recognizing that "analytical presentations
24%
Developing RESTful APIs
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © bowie15, 123RF.com
available [6]-[8]. An API will integrate in a far better way if it behaves as expected or in a known way. To match the identifiers closely, you then select the media types, often with the need to iterate
24%
DIME and Dark Mail seek to change the world of digital mail
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Orlando Rosu, 123RF.com
presented the DIME client Volcano (Figure 6) at DEF CON 22 [7]; it is based on Thunderbird and shows some similarities, at least in terms of the user interface
24%
Cron alternatives fcron and hcron
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © stillfx, 123RF.com
Listing 3 fcron Examples ## Execute the echo command at 10:05am on Sundays and on the 31st. 5 10 31 * 7 echo ''' ## Run mycommand every day at 5:05, 5:35, 6:05, 6:35, 7:05, and 7:35. & 05,35 5
24%
Server administration using Cockpit
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Alexandr Marinenko, 123RF.com
.bz2 archive out of the latest stable Cockpit version from the GitHub repository [6], unzip it, and then compile Cockpit using the well-known rule of three: ./configure make make install You then need
24%
Open source intelligence tools for pen testing
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Lead Image © Natalia Lukiyanova, 123RF.com
to specify your Shodan key: $ sudo nmap -sn -Pn -n --script shodan-api --script-args shodan-api.apikey= UsYM89GnfM86IP5aodgbTf6voFQL7kae www.foocompany1.com In a moment, I'll show you how to get your own
24%
Prepare, analyze, and visualize data with R
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Buchachon Petthanya, 123RF.com
If you add an additional element to the names vector and again try to create a data frame from numbers and names, an error occurs because numbers has a length of 5 and names has a length of 6 (Listing 2

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