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10%
pfSense firewall and router distribution
30.11.2025
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»
Archive
»
2012
»
Issue 07: Xen v...
»
, pfSense uses a DHCP client to retrieve an IP address for the WAN interface. In line with RFC 1918, it refuses IP addresses from the areas reserved for private LANs, 10/8, 172.16/
12
, and 192
9%
Monitoring KVM instances with Opsview
30.11.2025
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Archive
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2012
»
Issue 07: Xen v...
»
for the KVM host: Connectivity (LAN) Unix load RAM/Swap load Storage utilization SSH availability (typically on port
22
) Optional extensions: If you use libvirt, you can check
9%
Overview of cloud platforms and appliances
30.11.2025
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2010
»
Issue 2: Backup...
»
No + + ++ No ++ 67 Strato MultiServer Yes No No No No No + - + No -
22
Microsoft Azure No (similar elastic IP
9%
Managing Logs
06.08.2026
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2026
»
Issue 94 OpenSt...
»
deploying the Graylog Data Node, check the service status with systemctl. If the setup was successful, the output will include a status line: Active: active (running) since Sun 2025-10-
12
10:15:
22
CEST
9%
Monitoring for small and medium-sized companies compared
30.11.2025
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Archive
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2012
»
Issue 07: Xen v...
»
-ons. This explains why there have been more than 3 million new Nagios installations worldwide in the past
12
months. This is why Nagios is the industrial standard for monitoring today. … Nagios has a much larger
9%
Professional backup solutions compared
30.11.2025
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2010
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Issue 2: Backup...
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) with
12
Serial ATA disks, a 320 UW SCSI controller for the host connection, and 512MB cache. I configured various disk groups and logical volumes on this powerful hardware and exported them to the backup
9%
Ceph Dashboard at a Glance
02.06.2026
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2026
»
Issue 93 Disast...
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], ceph health detail [11], and ceph osd tree [
12
] to piece together the big picture. As an added bonus, the Dashboard simplifies access to Ceph and RADOS for users and operators who do not work
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