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47%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
License (GPL) 13 # 14 # (c) 2011 hastexo Professional Services GmbH 15 # 16 # This resource agent is losely derived from the MySQL resource 17 # agent, which itself is made available to the public
46%
An IT nomad's diary
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Jasmin Merdan, 123RF.com
software repository on your computer. Listing 1 shows you the Yum repository file for Fedora 14/15, or RHEL 6; the OpenShift website has installation how-tos for other systems (including Windows and Mac OS X
46%
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 $dtime = 2.2 * 1e-3; # dummy service time 17 18
46%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Anja Kaiser; Fotolia
: tscherf@TUXGEEK.DE 15 SASL SSF: 56 16 SASL data security layer installed. 17 dn: uid=TScherf,ou=People,dc=tuxgeek, dc=de 18 givenName: Thorsten 19 sn: Scherf 20 loginShell: /bin/bash 21 uidNumber: 9999 22
46%
Boost performance of your Python programs
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Eric Isselée, 123RF
() 15 p1.start() 16 p3.start() 17 18 p1.join() 19 p2.join() 20 p3.join() To see that multiprocessing creates multiple subprocesses, run the code shown in Listing 2 (counting
46%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alterfalter, 123RF.com
check_interval 5 12 retry_interval 1 13 contacts spz_admin 14 notification_period 24x7 15
46%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Tormod Rossavik, 123RF.com
.mount = /lxc/fstab.guest 11 lxc.rootfs = /lxc/rootfs.guest 12 lxc.pts = 1024 13 # 14 lxc.cgroup.devices.deny = a 15 # /dev/null and zero 16 lxc.cgroup.devices.allow = c 1:3 rwm 17 lxc.cgroup.devices.allow = c 1:5
46%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
InfiniBand for the compute node storage traffic or will GigE or 10GigE be sufficient? Should I use 15,000rpm drives or 7,200rpm drives? Do I need SSDs (solid state drives)? Which filesystem should I use
45%
Archiving email and documents for small businesses
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Pavlenko Evgenly, fotolia.com
to storage 08 mv archiv/cur/$i storage 09 10 # Create storage directory for email 11 mkdir storage/$pref.$i 12 13 # Extract attachments from mail 14 ripmime -i storage/$i -d storage/$pref.$i 15 16
45%
Maatkit tools for database administrators
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
tiero, 123RF
of the stress test shown in Figure 2, shows that some 19,200 queries composed of 55 different commands were issued. The system, a server with 768MB of RAM and a Pentium 3 CPU, took a total of 22 seconds to answer

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