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29%
Avoiding chaos in clusters with fencing
30.11.2025
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© kobra78, Fotolia.com
interval="0" timeout="60" 05 op stop interval="0" timeout="60" 06 op monitor start-delay="0" interval="1200" 07 meta resource-stickiness="0" failure-timeout="180" 08 09 primitive stonith_bob stonith
29%
Password protection with Phpass
30.11.2025
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© Michael Moeller, fotolia.com
$password = "test12345"; 09 // In a production web application, the password would be retrieved from a form filled out by the user 10 $hashwert = $hasher->HashPassword($password); 11 12 echo "Password
28%
The fail2ban intrusion prevention framework
30.11.2025
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© Flavijus Piliponis, 123RF.com
figuring out other ways of spotting patterns – one such tag being . If you're sitting comfortably, the pattern below matches an SSH login attempt failure which, on a Debian box, lives in the /etc/fail2
28%
Exploring Nmap's scripting engine
30.11.2025
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.ssl[port.service] ) then 06 return false 07 end 08 -- Don't bother running on SSL ports if we don't have SSL. 09 if (svc.ssl[port.service] or port.version.service_tunnel == 'ssl') 10 and not nmap
28%
An IP-based load balancing solution
30.11.2025
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arsgera, 123RF
backup_active = 1 05 backup = 192.168.1.232 06 heartbeat = 1 07 heartbeat_port = 539 08 keepalive = 6 09 deadtime = 18 10 network = direct 11 debug_level = NONE 12 monitor_links = 1 13 syncdaemon = 1 14
28%
Free backup tool for data centers
30.11.2025
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© andresr, fotolia.com
Password = "YdhKKoy2Huq1CVHwIR" 05 Pid Directory = "/var/run" 06 Query File = "/usr/lib/bacula/query.sql" 07 Working Directory = "/var/lib/bacula" 08 } 09 10 Fileset { 11 Name = "Full Set" 12
27%
Intrusion detection with Prelude
30.11.2025
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© Chittima Kasa, 123RF.com
11 12 13 Order allow,deny 14 Allow from all 15 16 17 Alias /prewikka/ /usr/share/prewikka/htdocs/ 18 ScriptAlias / /usr/share/prewikka/cgi-bin/prewikka.cgi 19
27%
How Upstart boots Ubuntu-based systems
30.11.2025
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start on filesystem 05 exec /usr/bin/measd --log=/var/log/noise/measure.log 06 07 pre-start script 08 # Create required script: 09 mkdir -p /var/log/noise 10 end script 11 12 post-stop script 13 # Clean
27%
SSH Administration – Windows in a Unix World
30.11.2025
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Gino Santa Maria, 123RF.com
saved in /home/khess/.ssh/id_rsa.pub. 09 the key fingerprint is: 10 6d:2c:04:dd:bf:b2:de:e1:fc:52:e9:7f:59:10:98:bb khess@windows 11 The key's randomart image is: 12 +--[ RSA 2048]----+ 13 | .. . o
27%
Protecting web servers with ModSecurity
30.11.2025
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© KrishnaKumar Sivaraman, 123RF.com
://www.un.org/apps/news/infocus/sgspeeches/ "Apache ModSecurity with GeoIP blocking country specific traffic: ModSecurity + GeoIP" by Suvabrata Mukherjee: http://linuxhelp123.wordpress.com/2008/12/11/apache The Author Sebastian

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