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13%
New Products
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
big offers capacity up to 20TB and speeds up to 785MB/s. The LaCie 5big lets users create custom RAID configurations. According to the announcement, users can create a lightning-fast volume with three
13%
Secure your data channel with stunnel
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Petr Vaclavek, 123RF.com
/share/doc/stunnel*/. The example in Listing 1 shows a very simple configuration that uses stunnel as a plain vanilla TLS client. Listing 1 Stunnel as a TLS Client ; global settings sslVersion = TLSv1.2 chroot = /var
13%
Modern Fortran – Part 1
20.10.2016
Home »  HPC  »  Articles  » 
 +       1    X4 + X5 + X6 ... By default, Fortran 77 defines variables starting with i , j , k , l , m , and n as integers (also the uppercase equivalents). As a result, they are used as loop counters
13%
GNU Parallel: Multicore at the Command Line with GNU Parallel
04.11.2011
Home »  HPC  »  Articles  » 
Recent trends in computing are toward more cores doing more tasks at once. These days, you are likely to have a dual- or quad-core CPU in your laptop, and perhaps 4, 6, 12, or 16 cores in your
13%
Operating systems for the cloud and containers
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © leeavison, 123RF.com
. The Ubuntu kernel is used because Scott Moser [6] is the guy backing CirrOS; his day job is as Ubuntu Server Technical Lead at Canonical. At the present time, CirrOS has pre-built images for 32- and 64-bit
13%
Flatpak, Snap, and AppImage
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Quino Al on Unsplash
] – looked to emulate furniture manufacturer Ikea when it came to packaging. A few years later, the mature xdg-app format emerged; it was finally renamed Flatpak in June 2016 [6]. Larsson himself works for Red
13%
Exploring the HPC Toolbox
04.11.2011
Home »  HPC  »  Articles  » 
an imminent failure. The lm_sensors tool [5] lets you monitor the fan and temperature. With just a little scripting, you can even create a heat map of the cluster to identify hotspots.  The smartmontools [6
13%
Installing applications in OpenStack with Murano
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © stylephotographs, 123RF.com
are pretty simple for Ubuntu (or Fedora 21) and are well documented [6]. Using the latest software version proved invaluable in the lab tests performed by the magazine's staff (Listing 1). Ideally, users
13%
Encrypting files
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Yoichi Shimizu, 123RF.com
, the encryption is very good if used correctly, the code is open source, and it follows the OpenPGP specification [5], which is also an IETF standard [6]. GPG was really designed as a command-line encryption tool
13%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
to logfiles, and it’s pretty simple to use: [laytonjb@test1 ~]$ logger "This is a test" ... [root@test1 ~]# tail -n 2 /var/log/messages Aug 22 15:54:47 test1 avahi-daemon[1398]: Invalid query packet. Aug 22 17

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