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63%
Manage VMs and Containers with Harvester
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © Lightwise, 123RF.com
into the central Rancher UI. You can now use advanced features in the GUI, such as the automatic deployment of an RKE2 or K3S cluster. Rancher then automatically builds the VMs in Harvester, configures them
63%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
Protocol (CARP) is used in the background [3]. If needed, a pfSense installation can transfer its configuration to all other firewalls and then run pfsync to keep the state tables of all the active firewalls
62%
Managing Logs
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Conny Schneider on Unsplash
://packages.graylog2.org/repo/packages/graylog-6.3-repository_latest.deb sudo dpkg -i graylog-6.3-repository_latest.deb sudo apt update sudo apt install graylog-datanode Graylog uses OpenSearch as the search
62%
Professional backup solutions compared
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Kamil Macniak, 123RF
used a virtual machine on a VMware ESX server. The physical underpinnings were a ProServ II server by ExuS Data with two Xeon quad-core processors and 16GB of RAM (Figure 1, top
62%
Free backup tool for data centers
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© andresr, fotolia.com
Include { 13 File = /usr/sbin 14 Options { 15 Signature = MD5 16 } 17 } 18 Exclude { 19 File = /var/lib/bacula 20 File = /tmp 21 } 22 } 23 24 Messages { 25 Name = Daemon 26
62%
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
62%
Neglected IPv6 features endanger the LAN
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Stanislaw Tokarski, 123RF.com
::1 (all nodes; Figure 3). The payload of this message includes all valid IPv6 prefixes on the local subnet and other flags that allow a sophisticated configuration. The RA message is also repeated
62%
Using the Expect scripting environment
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Ivan Mikhaylov, 123RF.com
or a password, and the current user will be allowed to run remote commands as root using ssh. This script is called ec2_ssh_init, and Listing 3 shows its initial section. Listing 3 ec2_ssh_init (Part
61%
Building more efficient database applications with a graph database
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Jakub Krechowicz, 123RF.com
], Amazon S3, or even a relational database. InfoGrid refers to nodes as mesh objects, and relationships can exist between them. The resulting graph is a mesh base. If you assign a type to your nodes, you

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