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28%
GENEVE network tunneling protocol
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Eugene Zhyvchik on Unsplash
Virtual local area network (VLAN) tagging on an IEEE 802.3 network is defined by the 802.1Q standard, which makes it possible to separate traffic from different logical networks within a physical ... LAN data transmission has evolved from the original IEEE 802.3 standard to virtual extensible LAN (VXLAN) technology and finally to today's Generic Network Virtualization Encapsulation (GENEVE
28%
Parallelizing and memorizing Python programs with Joblib
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
)]: Done 1 out of 181 | elapsed: 0.0s remaining: 4.5s [Parallel(n_jobs=2)]: Done 198 out of 1000 | elapsed: 1.2s remaining: 4.8s [Parallel(n_jobs=2)]: Done 399 out of 1000 | elapsed: 2.3
28%
Warewulf 4 – Environment Modules
20.03.2023
Home »  HPC  »  Articles  » 
wrote on Lmod back in 2018, you will see a discussion about the three commands to run: $ sudo ln -s /usr/local/lmod/lmod/init/profile /etc/profile.d/z00_lmod.sh $ sudo ln -s /usr
28%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
.pool.ntp.org driftfile /var/lib/chrony/drift makestep 1.0 3 rtcsync allow 10.0.0.0/8 local stratum 10 keyfile /etc/chrony.keys leapsectz right/UTC logdir /var/log/chrony I pointed the head node to 2.rocky
28%
Assess USB performance while exploring storage caching
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
disk reads: 1306 MB in 3.00 seconds = 434.77 MB/sec federico@cybertron:~$ sudo hdparm -W /dev/sdb /dev/sdb: write-caching = 1 (on) federico@cybertron:~$ sudo hdparm -W 0 /dev/sdb /dev/sdb: write
28%
Resource Management with Slurm
05.11.2018
Home »  HPC  »  Articles  » 
it at Linux Networx in the early 2000s. Over the years, it has been developed by Lawrence Livermore National Laboratory, SchedMD, Linux Networx, Hewlett-Packard, and Groupe Bull. According to the website, Slurm
28%
Resource Management with Slurm
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Vladislav Kochelaevs, fotolia.com
. Listing 2 sinfo $ sinfo -s PARTITION AVAIL TIMELIMIT NODES(A/I/O/T) NODELIST p100 up infinite 4/9/3/16 node[212-213,215-218,220-229] sbatch To submit a batch serial
28%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
magazine [3]. In other words, the many Cobbler system records are really the biggest problem. Just to jog your memory: Using system records, Cobbler can create an individual PXE configuration file for each
28%
Backups using rdiff-backup and rsnapshot
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Dmitry Pichugin, Fotolia.com
), a daily backup runs every day at 3:30am (seven snaphots are kept), and a weekly backup starts at 3:00am every Monday (four snapshots are available). Regularly running backups using cron is equally suitable
28%
Filesystem Murder Mystery
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Lucy Baldwin, 123RF.com
in mv ubuntu@aws:~/slow-mv$ strace -t mv 3GB.copy 3GB 19:00:09 execve("/bin/mv", ["mv", "3GB.copy", "3GB"], 0x7ffd0e7dddf8 /* 21 vars */) = 0 19:00:09 brk(NULL) = 0x55cd7d1ce000

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