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15%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
-specific functions: : ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat} . ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs The OCF_ROOT variable, which is referenced at this point, has already been set in the Pacemaker environment
15%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
. The second mode – and both types appear to need root privileges, at least on my desktop – is a -sS scan referencing a SYN scan, also known as a half-open, or Stealth Scanning, which is harder for the operating
15%
Performance testing monitoring solutions
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Kheng Ho Toh, 123RF.com
prompted me to join forces with Andreas Ericsson – one of the core developers in the Nagios project – in a search for the root cause of performance hang-ups. It turns out the reason for dramatically better
15%
Monitoring virtualization environments with Nagios and Icinga
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Sergej Khackimullin, 123RF
Virtualization technology established itself in data centers many years ago and has its roots in host partitioning in the mainframe landscape. More than 35 years ago, IBM laid down the foundations
15%
VMware Server 2.0 on recent Linux distributions
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Dmitry Tsvetkov, 123RF.com
The next step is to retrieve the glibc and zlib RPMs for Fedora 13 and unpack them. You can use rpm with an alternative root directory for the parallel installation [6] [7], but converting the RPMs into CPIO
15%
Internal central repositories for PowerShell modules
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Kenny Eliason on Unsplash
-ModuleManifest -Path "$HOME\ Documents\WindowsPowerShell\Modules\MyFirstModule\MyFirstModule.psd1" -RootModule "MyFirstModule.psm1" -Author "Philip Lorenz" -Description "Example of a simple module" Function
15%
AlmaLinux’s ELevate Migration Tool
11.03.2026
Home »  Articles  » 
Lead Image © sergeyback, 123RF.com
process can commence. Listing 1 Common Fixes after the Pre-Upgrade sudo rmmod pata_acpi echo PermitRootLogin yes | sudo tee ‑a /etc/ssh/sshd_config sudo leapp answer ‑‑section remove
15%
The PHP FastCGI process manager, PHP-FPM
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© conceptw, 123RF.com
. For test purposes, drop the simple PHP file info.php with into the document root; on Debian 6, this is the /var/www directory. Now, when you access this file in your browser, it should
15%
Mandatory access control with Tomoyo Linux
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© 3drenderings, 123RF.com
for each sshd process that is launched (the process domain names are in italics here). You can view all the existing domains in the Policy Editor as the root user: sudo tomoyo-editpolicy The program
15%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Anja Kaiser; Fotolia
06 domains = tuxgeek 07 08 [nss] 09 filter_groups = root 10 filter_users = root 11 reconnection_retries = 3 12 13 [pam] 14 reconnection_retries = 3 15 16 [domain/tuxgeek] 17 auth_provider = krb5 18

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