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25%
Dispatches from the world of IT
30.11.2025
Home
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Archive
»
2011
»
Issue 4: Secure...
»
a supportable release available for Ubuntu
12
.04. According to the blueprint, the plan is "to achieve a high quality level under functional and load conditions for the identified use cases. The Ubuntu team plans
25%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
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Archive
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2011
»
Issue 6: Perfor...
»
Model"; 11 $work = "ebiz-tx";
12
$node1 = "WebServer"; 13 $node2 = "AppServer"; 14 $node3 = "DBMServer"; 15 $think = 0.0 * 1e-3; # as per test system 16 $dtime =
2.2
* 1e-3; # dummy service time 17 18
25%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
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Archive
»
2012
»
Issue 07: Xen v...
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an Asterisk PBX as an HA resource 07 # 08 # Authors: Martin Gerhard Loschwitz 09 # Florian Haas 10 # 11 # Support: linux-ha@lists.linux-ha.org
12
# License: GNU General Public
25%
Data acquisition with shell tools
30.11.2025
Home
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Archive
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2010
»
Issue 2: Backup...
»
clear 03 while true 04 do 05 echo "New record" 06 maxrecord=`ls -1 *.dat | sort | tail -1 | cut -d. -f 1` 07 newrecord=$(echo $maxrecord + 1 | bc ) 08 width=`echo $newrecord | wc -c` 09 10 ... 11
12
25%
Strategies for routing voice calls around a firewall
30.11.2025
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Archive
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2010
»
Issue 0: Active...
»
:
09 Content-Type: application/sdp 10 Content-Length: 142 11
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v=0 13 o=alice 53655765 2353687637 IN IP4 pc33.atlanta.com 14 s=- 15 t=0 0 16 c=IN IP4 pc33.atlanta.com 17
25%
Mandatory access control with Tomoyo Linux
30.11.2025
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Archive
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2012
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Issue 09: Windo...
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.0
2.2
.x. 2.6.30 through 2.6.35 Debian 6 (Squeeze) 2.3.x. 2.6.36 through 3.0 Ubuntu 11.10 2.4.x. 3.1. openSUSE
12
.1 2.5.x. 3
25%
Server virtualization with VirtualBox
30.11.2025
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Archive
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2012
»
Issue 10: Traff...
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. Listing 1 Installing the Extension Pack $ vboxmanage -v 4.1.
12
r77245 $ wget http://download.virtualbox.org/virtualbox/4.1.
12
/Oracle_VM_Virtualbox_Extension_Pack-4.1.
12
-77245.vbox-extpack $ sudo
25%
Monitoring daemons with shell tools
30.11.2025
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Archive
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2010
»
Issue 1: System...
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#! /bin/sh 02 03 while true 04 do 05 06 zeit=$(date +%d.%m.%y\ %H:%M\ ) 07 08 psql -U monitor -d monitor -c "select * from watch;" 09 10 if [ $? -eq 2 ]; 11
12
then 13 14 echo "$time: Database
25%
Tracing applications with OProfile and SystemTap
30.11.2025
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Archive
»
2010
»
Issue 1: System...
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. The target systems only require the systemtap-runtime RPM and the staprun program it contains. The following command creates a prebuilt binary kernel module for the target system: stap -r kernel-PAE-2.6.31.
12-174.2.22
25%
Boost performance of your Python programs
30.11.2025
Home
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Archive
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2010
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Issue 2: Backup...
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if '__main__' == __name__: 09 10 p1 = Process(target = test, args = ('Rich',)) 11 p2 = Process(target = test, args = ('Nus',))
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p3 = Process(target = test, args = ('Geeks',)) 13 14 p2.start
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