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43%
Boost performance of your Python programs
30.11.2025
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Archive
»
2010
»
Issue 2: Backup...
»
() 15 p1.start() 16 p
3
.start() 17 18 p1.join() 19 p2.join()
20
p
3
.join() To see that multiprocessing creates multiple subprocesses, run the code shown in Listing 2 (counting
43%
Targeted defense against brute force attacks
30.11.2025
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Archive
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2011
»
Issue 3: Are yo...
»
, 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 ...
3
43%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
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2010
»
Issue 1: System...
»
141.
20
.108.124 07 active_checks_enabled 1 08 passive_checks_enabled 0 09 max_check_attempts
3
10 check_command check-host-alive 11
43%
Fast system management from Puppet Labs
30.11.2025
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2011
»
Issue 5: Pen Te...
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20
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24
43%
Virtualization via Zones
30.11.2025
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2010
»
Issue 0: Active...
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using? 07 1) ANSI Standard CRT 08 2) DEC VT100 09
3
) PC Console 10 4) Sun Command Tool 11 5) Sun Workstation 12 6)
X
Terminal Emulator (xterms) 13 7) Other 14 Type the number of your choice
43%
Performance monitoring in Windows Server 2008 R2
30.11.2025
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2011
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Issue 6: Perfor...
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and documentation on the topic of server performance monitoring. If you manage a complex structure, it's good idea to read the guides on this site. To run the tool, you also need Log Parser
2.2
[2], which is also
43%
An IT nomad's diary
30.11.2025
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2011
»
Issue 5: Pen Te...
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-tuxgeek.rhcloud.com,174.129.129.190' (RSA) to the list of known hosts.
20
Enter passphrase for key '/home/tscherf/.ssh/libra_id_rsa': 21 Confirming application spaceuploader is available
22
Attempt # 1 23 24 Success
43%
Shell scripts: Equal rights for Unix derivatives and Linux
30.11.2025
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2010
»
Issue 2: Backup...
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OS*) 15 PING="ping" 16 PING2="" 17 ;; 18 esac 19 ...
20
21 for i in server1 server2 server
3
workstation1 workstation2
22
do 23 $PING $i $PING2 > /dev/null 24 if [ "$?" != "0
43%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
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2011
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Issue 6: Perfor...
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:5 rwm 18 # consoles 19 lxc.cgroup.devices.allow = c 5:1 rwm
20
lxc.cgroup.devices.allow = c 5:0 rwm 21 lxc.cgroup.devices.allow = c 4:0 rwm
22
lxc.cgroup.devices.allow = c 4:1 rwm 23 # /dev/{,u}random 24
43%
Dispatches from the world of IT
30.11.2025
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2011
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Issue 5: Pen Te...
»
of approximately $
3
M per MW of IT. In addition, IT systems that can tolerate higher temperatures can reduce the risk of IT failures during facility cooling outages." Red Hat and SAP Red Hat announced
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