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15%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
of file deletions – resolving this problem in most configurations not involving RAID, which is still negatively affected. The /etc/fstab file shows that this partition is installed with Ubuntu 12.04's
15%
Udev with virtual machines
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © orangeline, 123RF.com
-persistent-net-generator.rules openSUSE, Red Hat 6 * /etc/udev/rules.d/70-persistent-net.rules* No net generator rules since 12.3. Instead, the biosdevname package is used to identify the NICs
15%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
-o pe_start # vgcreate RaidVolGroup00 /dev/sdx # lvcreate --extents 100%VG --name RaidLogVol00 RaidVolGroup00 # mkfs -t ext3 -E stride=32 -m 0 -O dir_index,filetype,has_journal,sparse_super /dev
15%
Magnum: Exploring OpenStack's Container API
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Ulrich M ller, 123RF.com
224984 49332 pts/30 S+ 12:20 0:16 /usr/bin/python /usr/bin/magnum-api stack 19844 0.0 1.4 228088 57308 pts/31 S+ 12:20 0:03 /usr/bin/python /usr/bin/magnum-conductor $ which magnum /bin
15%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
for user running script uid=$(id -ur) gid=$(id -gr) # This returns time in seconds since 1970-01-01 00:00:00 UTC time=$(date +"%s") # Create final string for output to file final
15%
US Army Puts a Supercomputer in a Shipping Container
20.08.2019
Home »  HPC  »  News  » 
 
in a shipping container. The $12 million IBM system will include an on-board uninterruptible power supply, chilled water cooling, and a fire suppression system. The system comes with 22 nodes for machine learning
14%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
lines I changed the name of the compute node to match my node (n0001 ). Listing 3: Edit the Template File $ sudo perl -pi -e "s/ControlMachine=\S+/ControlMachine=`hostname -s
14%
Logical Bombs for Fun and Benchmarking
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
such invocation is essentially a pure processor workload that will maximally use up to one CPU core while taking up close to zero I/O or memory resources. The top [3] command displays a perfect 1.00 load average
14%
Listing 6
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
 will allocate 4 cores 15 ### using 3 processors on 1 node. 16 #PBS -l nodes=1:ppn=3 17 18 ### Tell PBS the anticipated run-time for your job, where walltime=HH:MM:SS 19 #PBS -l walltime=0:10:00 20 21 ### Load
14%
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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