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43%
Give your servers the once over with Nmap
31.10.2025
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© ragsac, 123RF.com
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp
43%
Denial of service defense
26.03.2025
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Lead Image © Russell Shively, 123RF.com
a full HTTP request directly to the server, Slowloris begins a request and then continuously, but very slowly, adds headers without ever completing the request; (3) the server fields all of the header data
43%
Dispatches from the world of IT
30.11.2025
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will be accepted through April 10, 2011. Look for more on the Contegix website http://www.contegix.com/. Icinga v1.3.0 Released with Dual-Stack Support By now ... 3
43%
Monitoring daemons with shell tools
30.11.2025
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© Shariff Che'Lah, 123RF.com
is not accessible! ****************" >> dba.log 15 /usr/local/etc/rc.d/002pgsql.sh start 16 sleep 15 17 psql -U monitor -d monitor -c "select * from watch;" 18 19 if [ $? -eq 0 ]; 20 21 then 22
43%
Linux small business servers compared
31.10.2025
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© Umzugskartons, fotolia.
eBox Technologies, and it is available as a free Basic Subscription as well as a Business and Enterprise Edition [3]. Essentially, the differences lie in the number of users and the update services
43%
Boost performance of your Python programs
30.11.2025
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Eric Isselée, 123RF
() 15 p1.start() 16 p3.start() 17 18 p1.join() 19 p2.join() 20 p3.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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Andrii IURLOV, 123RF.com
, 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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© Alterfalter, 123RF.com
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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© Artmann Witte, fotolia.com
20 21 22 23 24
43%
Virtualization via Zones
30.11.2025
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Pei Ling Hoo, 123RF.com
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

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