The Right Way to reboot a host with Ansible
For a long time rebooting a host with Ansible has been tricky. The steps are: ssh to the hostReboot the hostDisconnect before the host closes your ssh connectionWait some number of seconds to ensure...
View ArticleGenerate a crypted password for Ansible
The Ansible user: command allows you to add a user to a Linux system with a password. The password must be passed to Ansible in a hashed password format using one of the hash formats supported by...
View ArticleUpdating ESXi root passwords and authorized ssh keys with Ansible
I manage a number of vCenter instances and a lot of ESXi hosts. Some of the hosts are production, some for test and development. Sometimes an ESXi host needs to be used by a different group or...
View ArticleRun a Linux systemd service during shutdown
I recently needed to add a cleanup service that runs at shutdown to a hundred AWS servers. My requirements were: Run the script /usr/local/sbin/ec2-cleanup.sh when a VM shuts down (poweroff or...
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Configure BIOS settings with Ansible and Redfish
If you’re using Ansible and trying to configure the BIOS settings of a bunch of hosts in a data center, take a look at Ansible’s community.general.redfish_config module. The Redfish standard is a...
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