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49%
Dynamic routing in Linux with Quagga
31.10.2025
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»
Archive
»
2012
»
Issue 12: NAS S...
»
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
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»
Archive
»
2012
»
Issue 12: NAS S...
»
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
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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
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»
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»
be used with
a
curl command and the requested URL for the
n
1 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
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»
Archive
»
2012
»
Issue 12: NAS S...
»
quickly view the password hash at the command line with the md5sum utility: # echo -
n
| md5sum -t 319f4d26e3c536b5dd871bb
2
c52e3178 - Next, add this hash value instead of the password
46%
Create a high availability VM with DRBD9 and Reactor
07.10.2025
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2025
»
Issue 89: Autom...
»
://launchpad.net/~linbit/+archive/ubuntu/linbit-drbd
9
-stack LVM: https://sourceware.org/lvm
2
Attribution-ShareAlike 3.0 Unported: https://creativecommons.org/licenses/by-sa/3.0/deed.en virter: https://github.com/LINBIT/virter Linstor: https ... DRBD
9
and DRBD Reactor create a Linux high-availability stack for virtual instances with replicated storage comparable to the classic Corosync and Pacemaker solution. ... DRBD
9
and DRBD Reactor ... Create a high availability VM with DRBD
9
and Reactor
46%
Logger in HPC System Administration
07.07.2025
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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
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2012
»
Issue 12: NAS S...
»
) ! 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
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2012
»
Issue 11: Cloud...
»
: 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 256
MB
; thus, 1.5GB (
2
x750
MB
... 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
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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 (SCa
N
) 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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