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16%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Maxim Borovkov, 123RF.com
monitor interval="120s" 02 primitive p_controld_gfs ocf:pacemaker:controld params daemon="gfs_controld.pcmk" args="" op monitor interval="120s" 03 clone cl_controld_dlm p_controld_dlm meta globally
16%
Logger in HPC System Administration
07.07.2025
Home »  Articles  » 
.g., /var/log/auth.log  or /var/log/boot.log ) or performing other specific admin tasks – including debugging problems. Permissions The user account on my laptop allows me to write to but not read from syslog . You might
16%
DBaaS – How they make data scale
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Rungaroon TAWEEAPIRADEEMUNKONG, 123RF.com
want to introduce a new concept that was sent my way. Playing with Models In my kitchen, with laptop perched and Skype running, I talked to David Jilk, CEO of Standing Cloud [1], which I wrote about
16%
Top three HPC roadblocks
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Alexey Bogatyrev, 123RF.com
the beginning, the nature of HPC computing, in particular, makes programming of even the smallest resource difficult. Even a quad-core desktop or laptop can present a formidable parallel programming challenge
16%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Anja Kaiser; Fotolia
connect to any server (Figure 3). Problems begin when one of the two server systems – or, in the worst case, both systems – is unreachable, which can happen if the workstation happens to be a laptop
16%
Anonymization and pseudonymization of data
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Photo by Debby Ledet on Unsplash
table attacks. This technique significantly improves the security of hashed data and should be used by default. Implement continuous monitoring and evaluation processes to ensure the effectiveness
16%
Securing email communication with GnuPG
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Amol Tyagi on Unsplash_Key.jpg
. The current version, 1.2.1, was released in August 2025. Actium (including the man page) is available from the manufacturer (mailto:info@gnupg.com). GnuPG actium (Figure 1) monitors the LDAP directory service
16%
Harden your Linux servers to stop malware
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Danila Krylov, 123RF.com
selected areas – not everything below the root (/) directory. Both services use the same configuration file, /etc/clamd.d/scan.conf. The following settings tell ClamAV to monitor the users' home directories
16%
Red Hat Ansible Automation Platform
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Dmitry Sunagatov, Fotolia.com
, but it already enjoys huge popularity because EDA allows the systems of an Ansible inventory to be monitored specifically for individual events. You define the rules (Figure 2), and if a specific event occurs
16%
Creating RAID systems with Raider
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
©Slawomir Kruz, 123RF.com
, as long as it has the minimum number of disks. If a disk fails, the RAID subsystem automatically removes it from the array. However, you need to monitor the RAID with a monitoring tool like Nagios to detect

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