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19%
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
19%
Strategies for routing voice calls around a firewall
30.11.2025
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2010
»
Issue 0: Active...
»
:
09 Content-Type: application/sdp 10 Content-Length: 142 11
12
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
19%
Mandatory access control with Tomoyo Linux
30.11.2025
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Archive
»
2012
»
Issue 09: Windo...
»
.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
19%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
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2011
»
Issue 6: Perfor...
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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 $dtime =
2.2
* 1e-3; # dummy service time 17 18
19%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
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Archive
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2010
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Issue 1: System...
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Type of mail Filesystem label=data Block size=2048 (bits=11) Cluster size=4096 (bits=
12
) Volume size=1011675136 (246991 clusters) (493982 blocks) 16 cluster groups (tail covers 8911 clusters, rest cover
19%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
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2012
»
Issue 07: Xen v...
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an Asterisk PBX as an HA resource 07 # 08 # Authors: Martin Gerhard Loschwitz 09 # Florian Haas 10 # 11 # Support: linux-ha@lists.linux-ha.org
12
# License: GNU General Public
19%
Data acquisition with shell tools
30.11.2025
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2010
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Issue 2: Backup...
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clear 03 while true 04 do 05 echo "New record" 06 maxrecord=`ls -1 *.dat | sort | tail -1 | cut -d. -f 1` 07 newrecord=$(echo $maxrecord + 1 | bc ) 08 width=`echo $newrecord | wc -c` 09 10 ... 11
12
19%
Building a port scanner in Python
28.07.2025
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2025
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Issue 88: 5 Net...
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(socket.timeout, ConnectionRefusedError):
12
pass 13 14 def port_scanner(host, start_port, end_port, threads=10): 15 print(f"Scanning {host} from port{start_port} to {end_port}") 16 17 for port
19%
Server virtualization with VirtualBox
30.11.2025
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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
19%
Creating an SFTP jail
30.11.2025
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Archive
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2011
»
Issue 3: Are yo...
»
(s) you wish to process (or 'all' to process all packages). (default: all) [?,??,q]: all
12
13 Processing package instance
from 14
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