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15%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
: 09 bb:0f:e3:7f:3e:ab:c3:5d:32:78:85:04:a2:da:f1:61 root@host1 You need to distribute the public part, that is the /root/.ssh/id_rsa_cluster.pub file, to all nodes in the cluster. The Strict
15%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
version [9]. Listing 3 /etc/openvpn/ccd/John_Doe 01 # John Doe 02 ifconfig-push 192.168.1.3 255.255.255.0 03 push "topology subnet" 04 push "redirect-gateway" 05 push "dhcp-option DNS 192
15%
Develop your own scripts for Nmap
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Raman Maisei, 123RF.com
protocols, for example, http-brute, oracle-brute, and snmp-brute. default These are standard scripts that are used if you run Nmap with the -sC or -A options. discovery
15%
New features in MariaDB 10.3
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image by Adarsh Kummur on Unsplash
_name IN ('version','version_comment'); +-----------------+----------------+ | Variable_name | Value | +-----------------+----------------+ | version | 10.3.9-MariaDB | | version_comment | Maria ... What lacked maturity in MariaDB 10.2 has now been sorted out in version 10.3. We look at the benefits you can reap now. ... MariaDB 10.3 ... New features in MariaDB 10.3
15%
Galera Cluster for MySQL
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Noel Powell, fotolia.com
temporarily with Listing 5 Error Messages sh: /sbin/ifconfig: Permission denied 120405 8:29:02 [ERROR] WSREP: Failed to read output of: '/sbin/ifconfig | \ grep -m1 -1 -E '^[a-z]?eth[0-9
15%
Moving HPC to the cloud
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Zarko Cvijovic, 123RF.com
of options, including dual four-core Xeon, dual six-core Xeon, or quad 12-core AMD processors ranging in speed from 2.2 to 2.9GHz with 24 to 128GB of RAM per server and up to 1TB of scratch local storage per
15%
Supercharge your software upgrade routine
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Photo by redcharlie on Unsplash
installed Ubuntu MATE 22.04.3 platform), first install all the requirements for compiling and deploying topgrade-rs (referred to as Topgrade moving forward): curl, git, pkg-config, and rust. Once in place
15%
Comparing Ceph and GlusterFS
21.04.2015
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © agencyby, 123RF.com
-r--r-- 2 root root 6 3. Feb 18:36 .glusterfs/0d/19/0d19fa3e-5413-4f6e-abfa-1f344b687ba7 # # ls -alid dir1 .glusterfs/fe/9d/fe9d750b-c0e3-42ba-b2cb-22ff8de3edf0 .glusterfs /00
15%
Automated Azure Kubernetes Service cluster builds
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Kittipong Jirasukhanont, 123RF.com
-nodepool1-39945963-vmss000000 Ready agent 14m v1.27.7 10.224.0.4 Ubuntu 22.04.3 LTS 5.15.0-1051-azure containerd://1.7.5-1 You can see an internal IP address, the version of the Ubuntu Linux node
15%
Professional backup solutions compared
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Kamil Macniak, 123RF
) with 12 Serial ATA disks, a 320 UW SCSI controller for the host connection, and 512MB cache. I configured various disk groups and logical volumes on this powerful hardware and exported them to the backup

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