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63%
Warewulf 4
13.12.2022
Home »  HPC  »  Articles  » 
the Compute Hostname $ ping n0001 PING n0001-default (10.0.1.1) 56(84) bytes of data. 64 bytes from n0001-default (10.0.1.1): icmp_seq=1 ttl=64 time=2.20 ms 64 bytes from n0001-default (10.0.1.1): icmp_seq=2
63%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alterfalter, 123RF.com
young project that was forked from Nagios [2] because of disagreements regarding the pace and direction of development. Icinga delivers improved database connectors (for MySQL, Oracle, and Postgre
63%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
:2:root,bin,daemon sys:x:3:root,bin,adm adm:x:4:root,adm,daemon tty:x:5: disk:x:6:root lp:x:7:daemon,lp mem:x:8: kmem:x:9: wheel:x:10:root mail:x:12:mail,postfix uucp:x:14:uucp man:x:15: games:x:20 ... Warewulf Cluster Manager – Part 2
62%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
. -n Do not resolve IP addresses to domain names or port numbers to service names. -nn Don't resolve hostnames or port names. -X Show packet's content in both hex
62%
Matlab-like tools for high-performance computing
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
://wiki.scilab.org/Linalg%20performances Compiling http://wiki.scilab.org/Compiling%20Scilab%205.x%20under%20GNU-Linux%20Unix Parallel computing http
62%
Improving performance with environment variables
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © sgame, fotolia.com
SGEMM for N = [2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192] A = single( rand(N,N) ); B = single( rand(N,N) ); start = clock(); C = A*B; elapsedTime = etime(clock(), start
62%
Hybrid public/private cloud
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Photo by JJ Ying on Unsplash
Fn::Base64: 20 Fn::Join: 21 - '' 22 - 23 - "{\n" 24 - '"bucket"' 25 - ' : "' 26 - Ref: S3Bucketname 27
62%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
:0:0:0: Notifying upper driver of completion (result 0) [ ... ] Mar 27 15:21:25 dev-machine kernel: [ 387.655119] sd 2:0:1:1: [sdf] tag#3669 Send: scmd 0x00000000b06d61c4 Mar 27 15:21:25 dev-machine kernel: [ 387
62%
News for Admins
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
 
Threadripper CPU and can handle up to: 4 NVidia GPUs 256GB quad-channel DDR4 at 3200MHz 88TB, 4xM.2 PCIe Gen 4 NVMe, and 2.5" SATA drives The Thelio Mega also includes seven USB 3.2 Gen 2 Type
62%
When I/O Workloads Don’t Perform
12.05.2021
Home »  HPC  »  Articles  » 
-machine kernel: [  387.117129] sd 0:0:0:0: [sda] tag#3 Send: scmd 0x000000001842ae5b Mar 27 15:21:24 dev-machine kernel: [  387.117134] sd 0:0:0:0: [sda] tag#3 CDB: Write(10) 2a 00 1d 04 5d 88 00 00 20 00 Mar 27

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