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16%
Let the editor wars begin!
11.10.2016
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Lead Image © Kirill Makarov, 123RF.com
, interesting, and worthwhile exercise. I argue that systems administration needs a command-line editor, because it can be used even if X windows isn't working or isn't installed on the servers. Knowing how
16%
The state of open source groupware
09.08.2015
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Lead Image © Andrey Bayda, 123RF.com
developments in the open source groupware alternatives PostPath, Kerio, Kolab, Open-Xchange, Scalix, Tine 2.0, Zarafa, and Zimbra. PostPath Somewhat unlucky in its hunt for customers, PostPath [1] used to have
16%
An IT nomad's diary
30.11.2025
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© Jasmin Merdan, 123RF.com
-tuxgeek.rhcloud.com,174.129.129.190' (RSA) to the list of known hosts. 20 Enter passphrase for key '/home/tscherf/.ssh/libra_id_rsa': 21 Confirming application spaceuploader is available 22 Attempt # 1 23 24 Success
16%
Develop a simple scanning application with the NAPS2 SDK
27.05.2025
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ScanOptions 21 { 22 Device = device, 23 PaperSource = PaperSource.Feeder, 24 PageSize = PageSize.A4, 25 Dpi = 300 26 }; 27 28 var images = new List
16%
Monitoring container clusters with Prometheus
09.10.2017
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Lead Image © Guido Vrola, 123RF.com
in turn stores as a separate time series. The software can already cope with millions of time series, yet version 2.0 [6] should cover more extreme Kubernetes environments with thousands of nodes
16%
Using Expect scripts to automate tasks
31.10.2025
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© Kheng Ho Toh, 123RF.com
conservatively originally 21 if {$force_conservative} { 22 set send_slow {1 .1} 23 proc send {ignore arg} { 24 sleep .1 25 exp_send -s -- $arg 26 } 27 } 28
16%
HPC fundamentals
16.08.2018
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Lead Image © Kasia biel, 123RF.com
seconds set connect timeout (default is 10 sec) -u seconds set command timeout (no default) -f n use fanout of n nodes -w host,host,... set target node list on command line -x
16%
Managing virtual machines
30.11.2025
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© Igor Klimov, 123RF.com
-net.rules -e "s/$oldmac/$newmac/" 19 virt-edit $vmname /etc/sysconfig/network -e "s/vm1/$vmname/" 20 21 echo $newid >> vm-list.txt 22 23 echo "cloning finished, starting vm" 24 virsh start $vmname
16%
OpenLDAP Workshop
11.06.2014
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Lead Image © tiero, 123RF.com
objectClass: person 20 objectClass: organizationalPerson 21 objectClass: inetOrgPerson 22 objectClass: posixAccount 23 cn: Ulrich Habel 24 gidNumber: 100 25 homeDirectory: /home/uhabel 26 sn: Habel 27 uid
16%
Selecting Compilers for a Supercomputer
21.12.2017
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^15 floating point operations per second). In total, almost 500TB of main memory and nearly 20PB of external memory are available for data. In addition to high computing power, SuperMUC also displays impressive

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