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15%
Monitoring Tools for Admins
04.11.2025
Home »  Articles  » 
, but if you look at the GitHub repository, Kent has been quietly working on the code. He did a 2.0.0 release on November 18, 2023, so some updates have come since the previous article I wrote. The next article
15%
Backup tools to save you time and money
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Melissa King, 123RF.com
using Samba or NFS and then back up the files. rsync Sometimes you do not need to look farther than your own backyard. Rsync is available for all Linux distributions, all major Unix versions, Mac OS X
15%
Get the best out of your bandwidth with tc
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Russell Shively, 123RF.com
these servers send more information out to the Internet than they receive (like a typical web server). I'm going to assume that, in this case, the Internet-facing network interface is eth0. In other words, when
15%
Managing SSH and other remote connections with PAC
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Ivan Datskov, 123RF.com
the libgnome2-vte-perl package that matches your distribution from the project homepage at SourceForge [3]. After installing the libraries, go back to SourceForge to pick up the PAC Manager package proper
15%
Bare metal lifecycle management with six open source tools
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Beth Macdonald on Unsplash
Lab directory has been abandoned for more than four years. The same author has started work on something like a terminal-based successor named Tinker, but nothing noteworthy has happened since 2022. If you
15%
Securing email communication with GnuPG
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Amol Tyagi on Unsplash_Key.jpg
do when setting up OpenLDAP; then, run the modified file with the command ldapadd -v -x -H ldapi:/// -D 'cn=admin,dc=example,dc=com' -W -f ./gnupg-ldap-init.ldif Be sure to adapt the RDN attributes
15%
The fail2ban intrusion prevention framework
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Flavijus Piliponis, 123RF.com
The few sys admins who haven't heard of fail2ban are likely to be just starting out or focus on areas other than server administration. In my experience, it's quite rare that really small utilities ... For its size, fail2ban, a utility that scans logfiles and bans suspicious IP addresses, punches well above its weight. ... fail2ban ... The fail2ban intrusion prevention framework
15%
Using a tablet as a portable management console
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Peter Bernik, 123RF.com
tasks. But, there's a solution: A tablet computer. The tablet computer is the new portable sweat shop. You're chained to the job. You're available 24/7x365 with a device that can deliver what you need
15%
Security without firewalls
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© rukanoga, 123RF.com
all banned connections are logged nicely to /var/log/tcp-wrappers.log: ALL : .example.com : spawn (/bin/echo \ %a from %h triggered an alarm %d >> \ /var/log/tcp-wrappers.log) : deny Going one
15%
Business continuity for small to medium-sized enterprises
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Andrea, Fotolia.com
/Documents/EN/Support_and_Downloads/Best_Practices/ShadowProtect%20VirtualBoot%20Technology%20EN.pdf StorageCraft documentation: http://support.storagecraft.com/book/storagecraft-documentation The Author Thomas Zeller has been involved

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