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13%
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
13%
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
13%
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
13%
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
13%
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
13%
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
13%
Server distributions for small businesses tested
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © wabeno, 123RF.com
of these distributions to the test: ClearOS [1], Collax Business Server [2], Koozali SME Server [3], NethServer [4], Univention Corporate Server [5], and Zentyal Server [6]. The seventh contestant was a pre-installed NAS
13%
Kubernetes k3s lightweight distro
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image Photo by Josh Rakower on Unsplash
to be fully accessible. The documentation self-references k3s [6]: "Simple but powerful 'batteries-included' features have been added, such as: a local storage provider, a service load balancer, a helm
13%
Error-correcting code memory keeps single-bit errors at bay
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Igor Stevanovic, 123RF.com
. This translates to Google's experiencing about 25,000-75,000 correctable errors (CE) per billion device hours per megabit, which translates to 2,000-6,000 CE/GB-yr (or about 250-750 CE/Gb-yr). This is much higher
13%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
_servers: - 10.42.0.10 - 10.42.0.11 dhcp_pxeboot_server: 10.42.0.12 The subnet must be a subrange of the subnet where the VM with the infrastructure services itself is located. However, when

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