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9%
Digital signatures in package management
17.04.2017
Home »  Archive  »  2017  »  Issue 38: .NET...  » 
Lead Image © Igor Stevanovic, 123RF.com
packages, whereas a Debian developer (DD) as a Debian member can upload any package. Fedora As soon as work starts on a new version of Fedora, the developers create a new GnuPG key [6] and use it to sign
9%
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
9%
Monitoring virtualization environments with Nagios and Icinga
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Sergej Khackimullin, 123RF
by monitoring various processes. Standard plugins such as check_procs [5] and the CheckProcState module in NSClient++ [6] help you do so. Thus, you can monitor the maximum number of instances of a specific
9%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
: Figure 4: Header bytes 12-15. # tcpdump -n -r dumpfile.lpc -c 10 'tcp[13] == 18' and host 172.16.183.2 Figure 5 is an example what this command returns. When capturing data with tcpdump, you can
9%
Quick patches with Ansible
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Lead Image © David Crockett, Fotolia.com
_ssh_private_key_file: /home/treuss/.ssh/pihole 09 ansible_user: thomas 10 # Gitea 11 raspi03: 12 ansible_ssh_private_key_file: /home/treuss/.ssh/raspi03 13 ansible_user: thomas 14
9%
News for Admins
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
 
." According to the report, based on a survey of 6,098 wireless professionals across 30 countries, 98% of organizations say wireless operations are becoming more complex. And, they cite three main drivers
8%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
_ALL=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg --lock-file /var/lock/mrtg/mrtg_l --confcache-file /var/lib/mrtg/mrtg.ok) Aug 22 17:12:50 test1 laytonjb: This is a cron test Logger allows you to direct your comments
8%
Understanding Privilege Escalation
13.12.2011
Home »  Articles  » 
 
, 28 ports open for incoming connections, and 441 packages installed and not updated for a while. Listing 2: grep, ps and netstat example results user@metasploitable:~$ uname -a Linux metasploitable 2.6
8%
Detecting intruders with Suricata
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Kurhan, 123RF.com
Tunneling"; content:"|01 00|"; offset:2; w ithin:4; content:"cT"; offset:12; depth:3; content:"|00 10 00 01|"; within:255; class type:bad - unknown; sid:1000 2; The preceding rule inspects the DNS traffic
8%
The new OpenStack version 2014.1 alias "Icehouse"
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Jakub Krechowicz, 123RF.com
to be heartily unimpressed by the hustle and bustle of Neutron, because more functionality inevitably comes at the price of more complexity. In Icehouse, the order of the day seems to be IPv6. To date, IPv6

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