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83%
Get the best out of your bandwidth with tc
30.11.2025
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Archive
»
2012
»
Issue 10: Traff...
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help point out which line is the culprit. Simply run your script as follows: # bash -
x
./bandwidth_throttler Typing dmesg could give direct feedback from the kernel too. Cooking with Gas Now I
83%
Targeted defense against brute force attacks
30.11.2025
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Archive
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2011
»
Issue 3: Are yo...
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, most likely, (3/2)
x
15 seconds. Finally, -s defines the number of seconds to wait before sshguard "forgets" the attacker's IP address. The line sshguard -l /var/log/auth.log -s
20
instructs sshguard
83%
Monitor your nodes with collectl
30.11.2025
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2012
»
Issue 09: Windo...
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X
4 920 CPU (quad core) 8GB of memory (DDR2-800) The operating system and boot drive are on an IBM DTLA-307020 (
20
GB drive at Ultra ATA/100) /home is on a Seagate ST1360827AS A 64GB Intel
X
82%
Server virtualization with Citrix XenServer
30.11.2025
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Archive
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2010
»
Issue 2: Backup...
»
/** 16 * @param args 17 */ 18 public static void main(String[] args) throws Exception { 19
20
if (args.length != 3 && args.length != 5) 21 {
22
System
82%
Business continuity for small to medium-sized enterprises
30.11.2025
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Archive
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2012
»
Issue 08: FreeNAS
»
. In the test scenario, I defined a backup schedule with the following settings: Schedule: weekly Daily full backup: Monday – Friday
20
:00 Daily incremental backup: Monday – Friday
08
:00--18:00, 30
80%
A standard cloud computing API
30.11.2025
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Archive
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2011
»
Issue 6: Perfor...
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"Polling for changes (Ctrl-C to end)" 17 loop do 18 sleep 2 19 client.instances.each do |inst|
20
if state[inst.id] != inst.state 21 if state[inst.id]
22
puts "#{inst.id} changed from
80%
Creating KVM machines with BoxGrinder and VMBuilder
31.10.2025
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Archive
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2012
»
Issue 12: NAS S...
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Service (Amazon S3) 19 - ami plugin for Amazon Simple Storage Service (Amazon S3)
20
- sftp plugin for SSH File Transfer Protocol 21 - ebs plugin for Elastic Block Storage
22
- local plugin
79%
Container and hardware e-virtualization under one roof
30.11.2025
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Archive
»
2010
»
Issue 2: Backup...
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an official Linux kernel component in kernel version 2.6.
20
. KVM Inside As a kind of worst-case fallback, KVM can provide a slow but functional emulator for privileged functions, but it provides genuine
79%
The RADOS object store and Ceph filesystem
30.11.2025
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2012
»
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
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[osd.0] 21 host = alice
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[osd.1] 23 host
78%
Moving HPC to the cloud
31.10.2025
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Archive
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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
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