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19%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
/group_gz | 212 kB 00:00 Package flex-2.5.35-8.el6.x86_64 already installed and latest version Package gcc-4.4.6-3.el6.x86_64 already installed and latest version Package autoconf-2.63-5.1.el6.noarch
19%
Managing Linux Filesystems
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Ulrich Krellner, 123RF.com
of filesystems from which to choose, and the ext2/3/4 series is likely known by everyone. If you work with a current distribution, you have probably met other filesystems, too (Table 1). Table 1
19%
John the Ripper
22.08.2011
Home »  Articles  » 
 
to launch one of several different “modes” against your password hashes. The first mode is a quick crack attempt using the supplied password list file, password.lst . This list contains more than 3
18%
Top Top-Like Tools
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
. The second number is percent CPU load from the system (0.3%sy), and the next is percentage of jobs that are "nice" [2] (0.0%ni). After that, Top lists percent overall CPU time idle (86.3%id; four real cores
18%
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
18%
StarCluster Toolkit: Virtualization Meets HPC
16.01.2013
Home »  HPC  »  Articles  » 
.08  590.8M   55.3M  243.2M     0.0 The batch-queuing system that manages the jobs here is Grid Engine. Job scripts submitted to the queue will wait for free slots and then execute on the basis
18%
Bringing old hardware back into the game
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Lucy Baldwin, 123RF.com
://en.wikipedia.org/wiki/ATX ThinkPad T420: https://support.lenovo.com/us/en/solutions/pd015734/ 16GB (2X8GB) RAM kit (204PIN SODIMM DDR3 SDRAM PC10600): https://www.amazon.com/gp/product/B00B2OT9HI/ 250GB Samsung 850 EVO v
18%
Monitoring HPC Systems
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Alexander Rivosh, 123RF.com
so many options and opinions is not a bad thing, but you need to sort through the ideas to find something that works for you and your situation. In two further blog posts [3] [4], I wrote some simple
18%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
files in ext3/ext4 filesystems Zipf theta - Estimate of Zipfian distribution theta Ioprof is written in Perl and is fairly easy to run, but it has to be run as root (or with root privileges
18%
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

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