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12%
Monitoring KVM instances with Opsview
30.11.2025
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Archive
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2012
»
Issue 07: Xen v...
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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
12%
A standard cloud computing API
30.11.2025
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2011
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Issue 6: Perfor...
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total = summary.values.inject(0) { |sum, i| sum += i }
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puts "Found #{total} instances in the following states:" 13 summary.keys.sort.each do |s| 14 printf "%20s %d\n", s, summary[s] 15 end 16 puts
12%
Overview of cloud platforms and appliances
30.11.2025
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2010
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Issue 2: Backup...
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No + + ++ No ++ 67 Strato MultiServer Yes No No No No No + - + No -
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Microsoft Azure No (similar elastic IP
12%
The RADOS object store and Ceph filesystem
30.11.2025
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2012
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Issue 09: Windo...
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/ceph/$name.keyring 04 [mon] 05 mon data = /srv/mon.$id 06 [mds] 07 [osd] 08 osd data = /srv/osd.$id 09 osd journal = /srv/osd.$id.journal 10 osd journal size = 1000 11 [mon.a]
12
host = alice 13 mon
12%
Moving HPC to the cloud
31.10.2025
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2012
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Issue 11: Cloud...
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of options, including dual four-core Xeon, dual six-core Xeon, or quad
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-core AMD processors ranging in speed from
2.2
to 2.9GHz with 24 to 128GB of RAM per server and up to 1TB of scratch local storage per
12%
Monitoring for small and medium-sized companies compared
30.11.2025
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2012
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Issue 07: Xen v...
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-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
12%
Introduction to behavior-driven monitoring
30.11.2025
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2011
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Issue 3: Are yo...
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/usr/lib64/ruby/1.8/logger.rb:487:in `initialize'
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/usr/lib64/ruby/1.8/logger.rb:263:in `new' 13 /usr/lib64/ruby/1.8/logger.rb:263:in `initialize' 14 /usr/lib/nagios
12%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
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2012
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Issue 07: Xen v...
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12%
Professional backup solutions compared
30.11.2025
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2010
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Issue 2: Backup...
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) with
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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
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