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85%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
(in days) 05 export CA_EXPIRE=3650 06 07 # Certificate validity (in days) 08 export KEY_EXPIRE=3650 09 10 # Predefined certificate values 11 export KEY_COUNTRY="DE" 12 export KEY_PROVINCE="BY" 13 export
84%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
CentOS 5 to 6 would work – a procedure the release notes advise against – a virtual environment seemed like the prudent decision. The first step is to create a copy of the current system, which should
84%
Touring the top Knoppix debugging and rescue tools
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Rafal Olechowski, 123RF.com
="4096" 12 13 # Last offset to try 14 final_offset="$(du -b "$DEV" | cut -f 1)" 15 16 # A free loop device 17 LOOP="/dev/loop2" 18 19 # Start 20 offset=0 21 22 while [ "$offset" -lt "$final_offset" ]; do
84%
Password protection with Phpass
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Michael Moeller, fotolia.com
and Drupal 7. Extensions also exist that retrospectively add Phpass to Drupal 5 and 6, and Typo3. Phpass mainly comprises a small PHP class that you can easily integrate into your own PHP application. Start
84%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
06 I_T nexus information: 07 LUN information: 08 LUN: 0 09 Type: controller 10 SCSI ID: deadbeaf1:0 11 SCSI SN: beaf10 12 Size: 0 13
84%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
is adding these entries to the Cobbler database. A typical example looks something like Listing 1. Listing 1 System Settings 01 # cobbler system add --name=foo --profile=ksprofile-devel-rhel6 ... 6
83%
Configuration management with Chef
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alistair Cotton, 123RF.com
-certs, make, gcc, and g++. The certificates from ssl-cert will be required later. According to the how-to http://1, Chef prefers RubyGems version 1.3.6 or newer, but not 1.3.7. This version contains a bug
82%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
version [1]. The sshguard tool also speaks IPv6, is released under the BSD license, is easy to set up, and works without a configuration file. Supported Services At the time of writing, sshguard
82%
Julia: A new language for technical computing
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
to technical computing 06 | | | | | | |/ _` | | 07 | | |_| | | | (_| | | Version 0.0.0+86921303.rc6cb 08 _/ |\__'_|_|_|\__'_| | Commit c6cbcd11c8 (2012-05-25 00:27:29) 09 |__/ | 10
82%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
-resource browser simulator used for test scenarios involving HTTP. You will also find the Mechanize library [6], which contributes functions for automated interactions on websites. Additionally, thanks to the Ruby

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