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13%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
records in 1000000+0 records out 512000000 bytes (512 MB) copied, 1.58155 s, 324 MB/s # dd of=file if=/dev/zero bs=512 count=1000000 oflag=direct 1000000+0 records in 1000000+0 records out 512000000 bytes
13%
Automatically terminate OpenSSH sessions
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Photo by Jon Tyson on Unsplash
AliveInterval and ClientAliveCountMax, are intended to help meet the compliance requirements: grep -i clientalive /etc/ssh/sshd_config ClientAliveInterval 600 ClientAliveCountMax 0 Once you have made these changes to your
13%
Using a Bash script to mirror external monitors
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © bowie15, 123RF.com
11 echo "Difference:" 12 diff -u --label EXPECTED_RESULT --label ACTUAL_RESULT -- \ $script_output - <<<"$res" 13 return 1 14 fi 15 } 16 17 failed=0 18 19
13%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
Home »  HPC  »  Articles  » 
_iteration = 600 set server node_check_rate = 150 set server tcp_timeout = 300 set server job_stat_rate = 45 set server poll_jobs = True set server mom_job_sync = True set server next_job_number = 0 set server moab
13%
Working with the Lustre Filesystem
24.02.2022
Home »  HPC  »  Articles  » 
 type: ldiskfs Flags:      0x62               (OST first_time update ) Persistent mount opts: ,errors=remount-ro Parameters: mgsnode=10.0.0.2@tcp   device size = 48128MB formatting
13%
Lustre HPC distributed filesystem
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Efe Kurnaz on Unsplash
=10.0.0.2@tcp device size = 48128MB formatting backing filesystem ldiskfs on /dev/sdb target name testfs:OST0000 kilobytes 49283072 options -I 512 -i 1024 -J size
13%
Understanding Layer 2 switch port security
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Taffi, Fotolia.com
) win 512 a:60:b2:3d:fc:af d3:7c:5b:36:4a:61 0.0.0.0.17578 > 0.0.0.0.4432: S 727135709:727135709(0) win 512 18:75:26:4c:a8:23 10:81:2a:12:e1:be 0.0.0.0.42271 > 0.0.0.0.61161: S 1071867223:1071867223(0
13%
Tuning I/O Patterns in C
31.07.2013
Home »  HPC  »  Articles  » 
the end of the line). With 100 elements, each element is 16 bytes (1,600/100). Also notice that it took 0.000019 seconds to complete (this is the number in the <> brackets at the end of the line. Simple
13%
Comparing PowerShell and Python
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Beboy, Fotolia.com
wrote this article, it was still at alpha version (v. 6.0.0-alpha13), which supported Ubuntu 14.04/16.04, CentOS 7.1, and Mac OS X 10.11, as well as Windows versions. Since then, PowerShellCore v6.0.0
13%
MPI Apps with Singularity and Docker
18.03.2020
Home »  HPC  »  Articles  » 
.825889E-02       12  0.733083      0.734229      0.726876E-02       13  0.735336      0.736293      0.641230E-02       14  0.737221      0.738029      0.574042E-02       15  0.738814      0.739502      0

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