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17%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
 
a supportable release available for Ubuntu 12.04. According to the blueprint, the plan is "to achieve a high quality level under functional and load conditions for the identified use cases. The Ubuntu team plans
17%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
is working, boot the compute node and run timedatectl : $ ssh n0001 [laytonjb@n0001 ~]$ timedatectl                Local time: Sat 2022-12-17 11:31:26 EST            Universal time: Sat 2022-12
17%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
timedatectl $ ssh n0001 [laytonjb@n0001 ~]$ timedatectl Local time: Sat 2022-12-17 11:31:26 EST Universal time: Sat 2022-12-17 16:31:26 UTC RTC time: Sat 2022-12
17%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
Model"; 11 $work = "ebiz-tx"; 12 $node1 = "WebServer"; 13 $node2 = "AppServer"; 14 $node3 = "DBMServer"; 15 $think = 0.0 * 1e-3; # as per test system 16 $dtime = 2.2 * 1e-3; # dummy service time 17 18
17%
Goodbye virtual machines, hello microVMs
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Eric Froehling on Unsplash
20G 22,38080,52812,58080 kafka 3 weaveworks/ignite-ubuntu:20.04 weaveworks/ignite-kernel:5.12.18 2 2G 20G 22,2181,8080,9092,38080,52812,58080 spark 3 weaveworks
17%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
[1] sdc1[0] 244065408 blocks super 1.2 [2/2] [UU] [=>...................] resync = 6.4% (15812032/244065408) finish=19.1min speed=198449K/sec bitmap: 2/2 pages [8KB], 65536KB chunk
17%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
# start. 32 if [ -n "$OCF_RESKEY_monitor_sipuri" ]; then 33 ocf_run sipsak -s "$OCF_RESKEY_monitor_sipuri" 34 rc=$? 35 case "$rc" in 36 1|2) return $OCF
17%
Verifying your configuration
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Kritiya Sumpun, 123RF.com
script (Listing 2) are located. Listing 1 Dockerfile_ServerBase FROM ubuntu:22.04 ENV container docker # Don't start any optional services except for the few we need. RUN find /etc
17%
Linux Local and Network Filesystems
07.01.2024
Home »  HPC  »  Articles  » 
 loop /snap/core22/864 loop15   7:15   0  12.3M  1 loop /snap/snap-store/959 loop16   7:16   0  73.9M  1 loop /snap/core22/817 loop17   7:17   0 349.7M  1 loop /snap/gnome-3-38-2004/140 loop18
17%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
your choice of application for accessing menu functions. A sample implementation of both the client and the server side is available online [11] [12]. The decisive part is shown in Listing 2

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