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12%
Monitoring KVM instances with Opsview
30.11.2025
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Archive
»
2012
»
Issue 07: Xen v...
»
Since the Linux kernel 2.6.
20
release in February 2007, the Kernel-Based Virtual Machine, KVM [1], has made much progress in its mission to oust other virtualization solutions from the market. KVM
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%
Touring the top Knoppix debugging and rescue tools
30.11.2025
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Archive
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2010
»
Issue 0: Active...
»
="4096"
12
13 # Last offset to try 14 final_offset="$(du -b "$DEV" | cut -f 1)" 15 16 # A free loop device 17 LOOP="/dev/loop2" 18 19 # Start
20
offset=0 21
22
while [ "$offset" -lt "$final_offset" ]; do
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 "%
20
s %d\n", s, summary[s] 15 end 16 puts
12%
vSphere 5 vs. XenServer 6
30.11.2025
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2012
»
Issue 07: Xen v...
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. The smallest configuration "Essentials Kit" is for three hosts (without HA) with two CPUs each and 192GB of VRAM: ~US$ 500 dollars plus US$ 65 or 300 dollars annual support. Prices range up to US$
22,000
12%
Getting started with I/O profiling
30.11.2025
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2012
»
Issue 08: FreeNAS
»
InfiniBand for the compute node storage traffic or will GigE or 10GigE be sufficient? Should I use 15,
000
rpm drives or 7,200rpm drives? Do I need SSDs (solid state drives)? Which filesystem should I use
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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addr = 10.42.0.101:6789 14 [mon.b] 15 host = bob 16 mon addr = 10.42.0.102:6789 17 [mon.c] 18 host = charlie 19 mon addr = 10.42.0.103:6789
20
[osd.0] 21 host = alice
22
[osd.1] 23 host
12%
Moving HPC to the cloud
31.10.2025
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2012
»
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
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