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68%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
to change lines 12 and 14. To make life easier, I will refer to this as the “array” code, as I did with the C example. Listing 2F: F90 Code Example with Output in Loop (Array) 1 program ex1a 2 3
68%
OCI containers with Podman
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Ray Aucott on Unsplash
": executable file not found in $PATH 0a2091b63bc5de710238fadc68ba3f5e0f9af8800ec7f76fd52a84c49a1ab0a7 Listing 3 shows that I do have a working container, so I'll deal with the network namespace error now
68%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
           VG       Fmt  Attr PSize   PFree     /dev/nvme0n1 vg-cache lvm2 a--  232.88g 232.88g   /dev/sdb     vg-cache lvm2 a--   <6.37t  <6.37t Say I want to use 90% of the slow disk: I will carve a logical volume labeled slow  from the volume
68%
Podman for Non-Root Docker
05.08.2024
Home »  HPC  »  Articles  » 
2077e584394471ddaa1a2c5bfd16893b829ea57619301eb3908 Then it was time to run the container (Listing 3). Notice that I checked the /etc/os-release  file to make sure it was, in fact, Ubuntu. I
68%
Exploring Kubernetes with Minikube
11.09.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
. Figure 6: Good old ``get pods'' but with width: ``kubectl get pod nginx-dep-54b9c79874-b9dzh -o wide'' showing an internal pod IP Address in the 172.17.0.0 range. Use the -n option to specify
68%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
tell logger which log to use: [laytonjb@test1 ~]$ logger -p cron.notice "This is a cron test" ... [root@test1 ~]# tail -n 2 /var/log/cron Aug 22 17:10:01 test1 CROND[7438]: (root) CMD (LANG=C LC_ALL=C
68%
Secure SSH connections the right way
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Olivier Le Moal, 123RF.com
4fc2c67 server.example.com IN SSHFP 3 2 fbfb8965a367f71e4ed8f6737a2e2db1c04be671db7c9c4e17ac346b9ae7a825 With the SSH option VerifyHostKeyDNS=yes set, SSH clients compare the supplied
68%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
-machine) UUID : 833033c5:cd9b78de:992202ee:cb1bf77f Events : 4 Number Major Minor RaidDevice State 0 259 2 0 active sync /dev/nvme0n1p1 1 8
68%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
.036467  pthread_spin_lock (libpthread-2.5.so) 124.440000   1.025018  hypre_SMGAxpy (smg2000: smg_axpy.c,27) 87.770000    0.722965  __GI_memcpy (libc-2.5.so) 79.820000    0.657481  hypre_StructAxpy (smg2000
68%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
$ROCOMMUNITY $HOST .1.3.6.1.2.1.4.22.1.3 # memory_used snmpwalk -v1 -Oqs -c $ROCOMMUNITY $HOST .1.3.6.1.2.1.25.2.3.1.6.101 # CPU-load-1 snmpwalk -v1 -Oqs -c $ROCOMMUNITY $HOST 1.3

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