sysadmin articles

Sat 05 September 2020: Remotely reinstalling a node on CentOS 8 with DuD (Driver Disk Update / kernel module for nic/hba)
Wed 20 May 2020: Deploying OpenShift 4 on bare-metal and disabling dhcp
Tue 29 October 2019: Fixing heat/fan issue on Thinkpad t490s running CentOS 8/Stream
Mon 29 April 2019: Renew/Extend Puppet CA/puppetmasterd certs
Wed 07 November 2018: Implementing Zabbix custom LLD rules with Ansible
Mon 24 September 2018: Updated mirrorlist code in the CentOS Infra
Tue 20 February 2018: Using newer PHP stack (built and distributed by CentOS) on CentOS 7
Wed 11 October 2017: Using Ansible Openstack modules on CentOS 7
Fri 29 September 2017: Using CentOS 7 armhfp VM on CentOS 7 aarch64
Fri 28 July 2017: Using NFS for OpenStack (glance,nova) with selinux
Tue 16 May 2017: Linking Foreman with Zabbix through MQTT
Mon 08 May 2017: Deploying Openstack through puppet on CentOS 7 - a Journey
Fri 14 April 2017: Deploying Openstack PoC on CentOS with linux bridge
Thu 13 April 2017: Remotely kicking a CentOS install through ligthweight 1Mb iso image
Tue 17 January 2017: Enabling SPF record for centos.org
Fri 25 November 2016: Zabbix, selinux and CentOS 7.3.1611
Fri 21 October 2016: (ab)using Alias for Zabbix
Thu 22 September 2016: CentOS Infra public service dashboard
Tue 03 May 2016: Generating multiple certificates with Letsencrypt from a single instance
Fri 29 April 2016: IPv6 connectivity status within the CentOS.org infra
Tue 15 December 2015: Kernel 3.10.0-327 issue on AMD Neo processor
Tue 01 December 2015: Kernel IO wait and megaraid controller
Thu 24 September 2015: CentOS AltArch SIG status
Thu 17 September 2015: CentOS Dojo in Barcelona
Thu 10 September 2015: Ext4 limitation with GDT blocks number
Thu 03 September 2015: Implementing TLS for postfix
Mon 12 January 2015: Provisioning quickly nodes in a SeaMicro chassis with Ansible
Mon 24 November 2014: Switching from Ethernet to Infiniband for Gluster access (or why we had to ...)
Fri 21 November 2014: Updating to Gluster 3.6 packages on CentOS 6
Wed 15 October 2014: Koji - CentOS CBS infra and sslv3/Poodle important notification
Sat 15 March 2014: CentOS Dojo Lyon (France)
Wed 08 January 2014: IPv6 vs IPv4 usage for the new www.centos.org website [ Stats ! ]
Thu 31 October 2013: Debug for the winners !
Thu 23 May 2013: Rolling updates with Ansible and Apache reverse proxies
Tue 30 October 2012: Using Openssh as transport for Ansible instead of default paramiko
Fri 26 October 2012: Ansible as an alternative to puppet/chef/cfengine and others ...