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15%
Building a custom Cyberdeck
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Lucy Baldwin, 123RF.com
monitor and proceed through the normal Raspberry Pi OS initialization steps to configure a user, WiFi access, and the like. Next, edit the file /boot/firmware/config.txt with root privileges to add the line
15%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
. persist-key and persist-tun prevent OpenVPN reparsing the tunnel and key files when the tunnel is restarted. This makes sense if OpenVPN drops its privileges after launching, because only root is allowed
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%
The Resurrection of bWatch
02.06.2025
Home »  Articles  » 
Photo by NASA Hubble Space Telescope on Unsplash
found that the list of nodes (hosts) is specified in a file named .bWatchrc.tcl  in the root directory: set listOfHosts {node1 node2 node3 node4 node5 node6 node7 node8} I’m not sure what restrictions
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%
Create flexible backups with Kopia
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Photo by Marcus Woodbridge on Unsplash
]. On freshly configured systems, the first step is to download curl, sudo apt install curl then execute two other commands in a root shell: curl -s https://kopia.io/signing-key | sudo gpg --dearmor -o /etc
15%
News for Admins
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
 
. Deepening engagement with CNAs, Roots, and global partners. Working to establish partnerships with CISA and MITRE. Finalizing 501(c)(3) status and preparing operations for scale. The CVE has also

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