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10%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
your tuning actions. Are you looking for a shorter response time or more throughput? One objective could be, say: "Action X takes 3.5 seconds to complete after clicking – in future, we want to be done
10%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
_family=AF_INET, sin_port=htons(5432), ... sendto(4, "\0\0\0\20\4\322\26.\0\0.\0016\252\36\264", 16, 0, NULL, 0) = 16 recvfrom(4, "", 1, 0, NULL, NULL) = 0 close(4) = 0 poll([{fd=3
10%
Warewulf 4 – GPUs
20.02.2023
Home »  HPC  »  Articles  » 
rocky-8 /bin/bash [rocky-8] Warewulf> dnf update ... [rocky-8] Warewulf> dnf clean all Failed to set locale, defaulting to C.UTF-8 48 files removed [rocky-8] Warewulf> exit ... The dnf update  command
10%
Running OpenStack in a data center
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © lassedesignen - Fotolia.com
should plan big rather than attempting to scrimp from the outset. Switches with 48, 25Gb Ethernet ports are now available on the market (Figure 1), and if you want a more elegant solution, you can set up
10%
Efficiently planning and expanding the capacities of a cloud
02.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © digifuture, 123RF.com
. Better Scaling If you are planning a cloud, you will want to rely on a Layer 3 leaf-spine architecture from the start because of its scalability. This layout differs from the classic approach primarily
10%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
.pool.ntp.org driftfile /var/lib/chrony/drift makestep 1.0 3 rtcsync allow 10.0.0.0/8 local stratum 10 keyfile /etc/chrony.keys leapsectz right/UTC logdir /var/log/chrony I pointed the head node to 2.rocky
10%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
modified mine to keep it really simple: server 2.rocky.pool.ntp.org driftfile /var/lib/chrony/drift makestep 1.0 3 rtcsync allow 10.0.0.0/8 local stratum 10 keyfile /etc/chrony.keys leapsectz
10%
Hunt down vulnerabilities with the Metasploit pen-testing tool
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bluebay, 123rf.com
] about how the Dalai Lama and many a government had exploits foisted on them in PDFs [3]. Metasploit is everywhere. Charly Kühnast also covered the topic in his Linux Magazine sys admin column [4
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Maintaining Android in the enterprise
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Iaroslav Neliubov, 123RF.com
the situation without investing in expensive mobile device management software. In this article, we show how you can use tools from the Android SDK  [3] to retrieve information about the state of the device. You
10%
Read-only file compression with SquashFS
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © modella, 123RF.com
to compress data files. Listing 1 shows a quick example illustrating the change in file size. Listing 1 Gzip Example $ ls -lsah FS_scan.csv 3.2M -rw-r--r-- 1 laytonjb laytonjb 3.2M 2014-06-09 20

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