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15%
First steps in IT automation by Rex
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Konstantin Chagin , 123RF.com
_system_release = '12.04' 17 $eth0_mac = '08:00:27:c4:a1:d8' 18 $VirtInfo = { 19 virtualization_role => 'guest' 20 virtualization_type => 'virtualbox' 21 } 22 $memory_shared = '0' 23 $Network = { 24 networkdevices
15%
Protect Your Servers with Nmap
23.07.2012
Home »  Articles  » 
 
 for brevity]            8   10.59 so-4-2-0.mpr3.pao1.us.above.net (64.125.28.142)            9   11.00 metro0.sv.svcolo.com (208.185.168.173)            10  9.93  scanme.nmap.org (64.13.134.52)            Nmap
15%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
ADDRESS [Cut first seven hops for brevity] 8 10.59 so-4-2-0.mpr3.pao1.us.above.net (64.125.28.142) 9 11.00 metro0.sv.svcolo.com (208.185.168.173) 10 9
15%
Linux and Windows client management with opsi
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © alexutemov, 123RF.com
as adminuser with the password specified during the setup. As an example, I'll look at the installation of opsi on a Debian 8.0 system. Keep in mind that the opsi server requires at least 16GB of space
15%
Assess USB performance while exploring storage caching
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
the Samsung MU-PA500B 500GB SSD" by Federico Lucifredi, ADMIN , issue 47, 2018, pg. 92, http://www.admin-magazine.com/Archive/2018/47/Testing-the-Samsung-MU-PA500B-500GB-SSD hdparm(1) man page: https
15%
Explore automation-as-code with Ansible
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Kittipong Jirasukhanont, 123RF.com
hierarchically: scm: name:"Github" User: "user01" url: "https://www.github.com" The playbook then accesses variables like {{ scm.url }}, which means you can easily see the sub-section to which
15%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
A Warewulf-configured cluster head node with bootable, stateless compute nodes [https://www.admin-magazine.com/HPC/Articles/Warewulf-4] is a first step in building a cluster. Although you can run
15%
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
15%
Julia: A new language for technical computing
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
.47 1,336.37 2,383.80 225.23 1.55 parse_int 1.44 16.50 815.19 6,454.50 337.52 2.17 quicksort 1.49 55
15%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
Home »  HPC  »  Articles  » 
just two nodes: test1, which is the master node, and n0001, which is the first compute node): [laytonjb@test1 ~]$ pdsh -w test1,n0001 uptime test1: 18:57:17 up 2:40, 5 users, load average: 0.00, 0.00

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