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13%
Configuration management with Chef
30.11.2025
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»
Archive
»
2010
»
Issue 1: System...
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" 05 06 signing_ca_path "/var/chef/ca" 07 couchdb_database 'chef' 08 09 cookbook_path [ "/var/chef/cookbooks", "/var/chef/site-cookbooks" ] 10 11 file_cache_path "/var/chef/cache"
12
node
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
»
Issue 6: Perfor...
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total = summary.values.inject(0) { |sum, i| sum += i }
12
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
»
Issue 2: Backup...
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No + + ++ No ++ 67 Strato MultiServer Yes No No No No No + - + No -
22
Microsoft Azure No (similar elastic IP
12%
Business continuity for small to medium-sized enterprises
30.11.2025
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2012
»
Issue 08: FreeNAS
»
minutes between backups These settings create
22
files per day (one full backup and 21 incremental backups) on the NAS. The full backups are easily identifiable by the .spf file extension; incremental
12%
The RADOS object store and Ceph filesystem
30.11.2025
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2012
»
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
12
-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
»
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'
12
/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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