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34%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
-mod-slurm-ohpc x86_64 2.34-9.1.ohpc.2.6 OpenHPC-updates 13 k slurm-devel-ohpc x86_64 22.05.2-14.1.ohpc.2.6 OpenHPC-updates 83 k slurm-example-configs-ohpc x86
34%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
FILE *ptr_myfile; 16 17 counter_limit = 100; 18 19 ptr_myfile=fopen("test.bin","wb"); 20 if (!ptr_myfile) 21 { 22 printf("Unable to open file!"); 23 return 1; 24 } 25 for ( counter=1; counter <= counter
34%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
needed to reposition the read head is eliminated. The admin can monitor merging of I/O blocks with iostat -x. This assumes the use of the filesystem cache. In Listing 2, wrqm/s stands for write requests
34%
Creating an SFTP jail
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Juan Manuel Ordonez, 123RF.com
SyslogFacility AUTH 20 TCPKeepAlive yes 21 UseDNS no 22 UsePrivilegeSeparation yes 23 Subsystem sftp /usr/local/libexec/sftp-server 24 Match Group sftponly 25 ChrootDirectory /export
34%
Small Tools for Managing HPC
18.10.2017
Home »  HPC  »  Articles  » 
Several very sophisticated tools can be used to manage HPC systems, but it’s the little things that make them hum. Here are a few favorites.   ... ab7000)         libc.so.6 => /lib64/libc.so.6 (0x00007f5bc46f4000)         libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f5bc44de000)         /lib64/ld-linux-x86-64.so.2 (0x000056123e669000 ... Several very sophisticated tools can be used to manage HPC systems, but it’s the little things that make them hum. Here are a few favorites. ... It’s the Little Things
34%
Small-board computers
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Author, 123RF.com
: Tegra X1: 25.6GBps memory bandwidth HDMI 2.0 and HDCP 2.2 10W power Peak performance: 1,024GFLOPS with FP16; 512GFLOPS with FP32 ARM Cortex CPUs: Quad-core 64-bit ARM Cortex-A57 ... 25
33%
A first look at Apache 2.4: Web server for the cloud
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Helder Almeida, 123RF.com
for their documentation. Although at times it's a bit terse, it is very complete. The Apache 2.4 release, although a fairly modest bump compared with the move from the 1.x series to 2.0.x, is a pretty important release ... High performance and cloud suitability are the thrust of Apache 2.4. We give you the lowdown on transitioning your Apache HTTP Server from 2.2 to 2.4.
32%
Extending OpenNebula with hooks
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Greg Epperson, Photocase.com
" = "" ] 17 then 18 echo "$0 error: ID missing." >&2 19 fi 20 21 id=$1 22 shift 23 24 echo "$id $(date +%s) $mode" >> $ACCOUNTING The VM_HOOK construct can appear more than once in the configuration
32%
Policy rulesets in cloud-native environments
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Lead Image © bloomua, 123RF.com
": [ 16 { 17 "GroupName": "RND-Admins" 18 } 19 ] 20 }, 21 { 22 "Path": "/", 23 "UserName": "guido", 24 "Arn": "arn:aws:iam::123456789:user/guido", 25
32%
Warewulf 4
13.12.2022
Home »  HPC  »  Articles  » 
/6): tftp-server-5.2-24.el8.x86_64.rpm                         123 kB/s |  49 kB     00:00     (4/6): dhcp-server-4.3.6-47.el8.x86_64.rpm                       3.9 MB/s | 529 kB     00:00     (5/6): bind

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