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46%
Building a custom Cyberdeck
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Lucy Baldwin, 123RF.com
RAM to 8GB and CPU speed to 2.4GHz – from 4GB and 1.8GHz, respectively, in the Pi 400. The core design was also upgraded from the ARM Cortex-A72 to Cortex-A76
46%
Shell scripts: Equal rights for Unix derivatives and Linux
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Mike Flippo, 123RF
="" 04 PING="ping -c1 -w 3" 05 PING2="" 06 07 case $OS in 08 HP-UX*) 09 PING=ping 10 PING2="-n 1" 11 RSH="remsh" 12 RSH2="-l user" 13 ;; 14 Sun ... 2
46%
The fine art of allocating memory
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
In issue 9, I talked about swap memory and how it should be used as a buffer to protect your servers from running out of memory [1]. Swapping is nearly always detrimental to performance, but its
46%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
Chris Buechler and Scott Ullrich were unhappy. Although the FreeBSD m0n0wall distribution gave them a quick option for setting up a firewall and a router, it was designed for use on embedded systems
46%
Tested: Autoconfiguring IPv6 clients
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Benis Arapovic, 123RF.com
is sent to the multicast address ff02::2 (all routers on the local LAN segment.) All IPv6 routers on the network reply with a Router Advertisement. Depending on the flags in the advertisement, the client
45%
Enterprise communication with IRC
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© anyka, 123RF.com
countless IRC server variants. Almost all originate from the original code, which is still in use today on IRCNet [1] and comes closest to the original IRC RFC [2]. Additionally, you will find a plethora
45%
Remote desktop based on HTML5
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Phanlop Boonsongsomnukool, 123RF.com
quickly view the password hash at the command line with the md5sum utility: # echo -n | md5sum -t 319f4d26e3c536b5dd871bb2c52e3178 - Next, add this hash value instead of the password
45%
New approaches for forensics in cloud environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
illustrator, 123RF.com
on the cloud security problem and on corresponding legal issues [1]. This paucity of information was confirmed by other publications [2] [3]. Despite this, the topic is still largely overlooked and a huge amount
45%
Demystified: The facts about green IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Iakov Kalinin, 123RF
, and IZES Institut für ZukunftsEnergieSysteme (Institute for Future Energy Systems) GmbH [1] [2] investigated precisely this topic. The question the researchers set out to answer was: How economical
45%
Create a high availability VM with  DRBD9  and Reactor
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Emma Simpson on Unsplash
://launchpad.net/~linbit/+archive/ubuntu/linbit-drbd9-stack LVM: https://sourceware.org/lvm2 Attribution-ShareAlike 3.0 Unported: https://creativecommons.org/licenses/by-sa/3.0/deed.en virter: https://github.com/LINBIT/virter Linstor: https ... DRBD9 and DRBD Reactor create a Linux high-availability stack for virtual instances with replicated storage comparable to the classic Corosync and Pacemaker solution. ... DRBD9 and DRBD Reactor ... Create a high availability VM with  DRBD9  and Reactor

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