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19%
Documentation Tools for Admins
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Sorin Colac, 123RF.com
that employees authenticate before creating entries, making it clear later who posted an entry. Less computer-savvy users are supported by a WYSIWYG editor [6] or at least a help link for the wiki syntax
19%
Container Virtualization Comeback with Docker
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © ping han, 123RF.com
of Linux kernel version 2.6.24, and over the years, the kernel developers have significantly expanded the Cgroup functions. Besides the above-mentioned resource quotas, Cgroups can now also be prioritized
19%
OPNids: Suricata with built-in machine learning
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © sarah maher, 123RF.com
tap into those sinks and derive their sets of rules from them. This functionality is exactly what Suricata offers. If you throw a Lua sink [6] to the tool, it automatically adopts it, including
19%
A self-healing VM system
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © THISSATAN KOTIRAT , 123RF.com
the same exit status conditions. Line 6 declares another check program, sync_all_node_5, that runs an Ansible playbook called sync_files.yml with webbox5 as the target. This program is run every 15 cycles
19%
How to back up in the cloud
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Sgursozlu, Fotolia.com
, you can also use a trick based on erasure coding: With a 5PB gross capacity, only 1.6PB are effectively available if you have enabled double redundancy in Ceph. In a backup, redundancy is theoretically
19%
CI/CD deliverables pipeline
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image by serhat-beyazkaya, Unsplash.com
Hub, you need a suitable mechanism to automate this upload step. The aktau/github-release [6] project, a Go application that helps publish arbitrary artifacts on GitHub, is the perfect solution
19%
Analyzing tricky database problems
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Photo by Quino Al on Unsplash
. The infrastructure also includes three LDAP servers, six NFS servers (based on Ceph), and two HAProxy load balancers. Monitoring is done via Graphite [5], with an Elasticsearch [6], Logstash [7], and Kibana [8] (ELK
19%
Private cloud with Microsoft Azure Stack
02.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © Mikko J. Pitkänen, Fotolia.com
provides a very good opportunity to try out the Azure Stack Development Kit (ASDK) [6] in a limited form. The limitations were chosen so that no productive solutions can be built with the ASDK
19%
Linux I/O Schedulers
02.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © pandavector, 123RF.com
suggested that it works well for database systems that have TCQ-aware [6] disks. CFQ The completely fair queue (CFQ) I/O scheduler [7] is the current default scheduler in the Linux kernel. It uses both
19%
Persistent volumes for Docker containers
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Alexander Redl on Unsplash
ESXi 6.0 or higher and Docker v1.12 or later. VMware recommends version 1.13, or 17.03 if you want to use the "managed plugin" – the variant from the Docker store. If this is the case, the plugin

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