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49%
Dynamic routing in Linux with Quagga
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© petrol, 123RF.com
with the Zebra Routing Daemon by Japanese developer Kunihiro Ishiguro [2]. The software is included in all popular Linux distributions and also runs on Unix derivatives like Solaris and Free/Net/OpenBSD. Quagga
47%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
seconds, for example: # nc -p 16000 -w 30 examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1.2
47%
ratarmount Archive Mount Tool
07.09.2025
Home »  Articles  » 
I previously wrote about the use of archivemount, which creates compressed archives with common tools such as tar  and gzip,  so everything for a user project is contained in a single file. I
46%
A GUI for Warewulf 4
06.05.2025
Home »  Articles  » 
be used with a curl  command and the requested URL for the n1  node information. Part of the output of the command can be seen in the dark window at the bottom. This live session lets you try different
46%
Remote desktop based on HTML5
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Phanlop Boonsongsomnukool, 123RF.com
quickly view the password hash at the command line with the md5sum utility: # echo -n | md5sum -t 319f4d26e3c536b5dd871bb2c52e3178 - Next, add this hash value instead of the password
46%
Create a high availability VM with  DRBD9  and Reactor
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Emma Simpson on Unsplash
://launchpad.net/~linbit/+archive/ubuntu/linbit-drbd9-stack LVM: https://sourceware.org/lvm2 Attribution-ShareAlike 3.0 Unported: https://creativecommons.org/licenses/by-sa/3.0/deed.en virter: https://github.com/LINBIT/virter Linstor: https ... DRBD9 and DRBD Reactor create a Linux high-availability stack for virtual instances with replicated storage comparable to the classic Corosync and Pacemaker solution. ... DRBD9 and DRBD Reactor ... Create a high availability VM with  DRBD9  and Reactor
46%
Logger in HPC System Administration
07.07.2025
Home »  Articles  » 
myscript "A second test" The entry in the system log would look like: $ sudo tail -n 10 /var/log/syslog ... Jun 28 14:28:55 laytonjb-Nitro-AN515-55 myscript: A second test ... Notice that rather than
46%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
) ! Delta (x and y directions) ... 117 ! Solution Initialization 118 ! +++ !$OMP PARALLEL DO SHARED(m,n,u) 119 DO j=2,m-1 120 DO i=2,m-1 121 u(i,j)=0.0d0 122 ENDDO 123 ENDDO +++ !$OMP END
46%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
: Balancing can free up unneeded but assigned chunks. Running btrfs fi df and btrfs fi show – before and after balancing – show that the metadata chunk size has been reduced to 256MB; thus, 1.5GB (2x750MB ... SUSE has officially supported Btrfs in Service Pack 2 of its Enterprise Server 11 since February 2012. Oracle followed soon after with Btrfs support in its own Linux. We explore the possibilities
46%
News for Admins
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
 
, resilient, and sustainable operations," said Dr. Ben Ashman, navigation lead for lunar relay development, part of NASA's Space Communications and Navigation (SCaN) program (https://www.nasa.gov ... with Lunar Time Zone; Open Source Malware on the Rise, According to Sonatype Report; Six Principles of Operational Technology Cybersecurity Released; New Password Rules Recommended by NIST; OpenSSH 9.9

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