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9%
Security compliance with OpenSCAP
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Dmitriy Pchelintsev, 123RF.com
surprise that, when Red Hat Enterprise Linux 6 was released, the currently available DISA STIGs were still based on RHEL4. Administrators will tend to work through the checklist manually in a process
9%
Introduction to LVM
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Dvarg, 123RF.com
this writes an LVM label and some metadata to the PV. The PV is divided up into units of the same size (4MB by default) known as physical extents (PEs). A PE is the smallest allocatable data volume. Figure 1
9%
Identify troublesome energy consumers with PowerTOP
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Elena Elisseeva, 123RF.com
TOP, use make and then sudo make install. Before you can launch the tool, though, you'll need to fulfill a couple of conditions. Tick Tock Older Linux kernels (up to version 2.6.20) use a fixed heartbeat
9%
Avoiding chaos in clusters with fencing
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© kobra78, Fotolia.com
:external/ipmi 10 params hostname="bob" ipaddr="192.168.122.111" 11 userid="4STONITHonly" passwd="evenmoresecret" interface="lanplus" 12 op start interval="0" timeout="60" 13 op stop interval="0" timeout
9%
Nagios author Ethan Galstad
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
of Nagios and I released it. Honestly, I didn't think more than 10 or 12 people would use it. I didn't think anyone would find it interesting, but it started taking off and becoming very popular, and that
9%
News for Admins
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
 
," according to the announcement (https://cerre.eu/wp-content/uploads/2022/12/Digital-Industrial-Policy-for-Europe.pdf), and "reducing this dependency is essential for Europe's economic strength, security
9%
Verifying TLS Certificates
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © Christos Georghiou, 123RF.com
with certificates stored in encrypted PKCS 12 containers that contain unknown attributes, because Go programming language libraries prefer to terminate rather than ignore a snippet of information. Certigo does
9%
Visualize data throughput with SMBTA
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Qi Feng, 123RF.com
, the number of users is fairly low, that's likely to change when version 3.6 of Samba, which will include SMBTA as an official component, is released [1]. Although experienced admins would have no trouble
9%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
 
, most administrators should be aware of the coming "IPocalypse," with the world running out of IPv4 addresses. If you are not already preparing for the coming of IPv6, it's time to start – and if you
9%
Realistic Ceph Performance Tuning Measures
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Brenton Pearce on Unsplash
in this case by carrying out sequential writes with default settings. The block size is then 4MB and the queue depth 16 (Figure 1). Figure 1: False positives

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