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69%
Enterprise communication with IRC
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© anyka, 123RF.com
on */ 17 port = 5556; 18 19 /* hub mask: the mask of servers that this server may hub. Multiple 20 * entries are permitted 21 */ 22 hub_mask = "*"; 23 24
69%
Shell scripts: Equal rights for Unix derivatives and Linux
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Mike Flippo, 123RF
OS*) 15 PING="ping" 16 PING2="" 17 ;; 18 esac 19 ... 20 21 for i in server1 server2 server3 workstation1 workstation2 22 do 23 $PING $i $PING2 > /dev/null 24 if [ "$?" != "0
69%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
. Because it had to run in RAM, extensions were difficult. This situation prompted the two to start working on their own distribution and spawned the development of pfSense [1]. The core of version 2.0 from
69%
Clustering with OpenAIS and Corosync
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
brunoilfo, 123RF.com
name: iscsi1 18 Node ID: 1 19 Multicast addresses: 239.192.181.106 20 Node addresses: 192.168.122.171 Note that the current cluster version 3.0 no longer contains a cluster configuration system ... 3
69%
Monitoring for small and medium-sized companies compared
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
://www.zabbix.com   https://www.icinga.org http://www.nagios.org Version 1.8.x 1.8.6   1.6 3.3.1 License GPLv2 GPLv2   GPLv2 Core
68%
Password protection with Phpass
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Michael Moeller, fotolia.com
be in the database for a production web application 18 $result = $hasher->CheckPassword($password, $passwordfromdb); 19 20 if ($result) { 21 echo "Password match!"; 22 } 23 else { 24 echo "Password
68%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
","stage","app","gateway","eth0-ip","eth0-mask","eth1-mac","eth1-ip","eth1-mask" ] 19 system_dict = {} 20 21 f = open(cblr_systems, "r") 22 for line in f: 23 if line.startswith("#"): 24 continue 25 system
68%
Network analysis with Wireshark
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Reinhard Eisele
runs with root privileges. The exceptions are Mac OS X and Solaris, where the user only needs access privileges for the network interface card device file. By default, Tcpdump reads all the data
67%
The fail2ban intrusion prevention framework
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Flavijus Piliponis, 123RF.com
/filter.d/sasl.conf: failregex = (?i): warning: [-._\w]+\[\]: SASL (?:LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed: authentication failure A quick hunt through my /var/log/mail.log files reveals: Dec 20 22
67%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
Scenarios: 21 cucumber /usr/lib/nagios/plugins/cucumber-nagios/checks/features/www.xing.com/startpage.feature:4 # Scenario: Visiting home page 22 23 1 scenario (1 failed) 24 4 steps (1 failed, 3 skipped) 25 0 ... 3

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