Clone a repo containing submodules In this example I'll clone the terraform-docker-registry repo. The repo contains a few submodules, although the paths (on the git server) have changed, therefore a clone fails. [user@linux_workstation ~]$ git clone -c http.sslVerify=false --recursive ssh://git@git:7999/myproject/terraform-docker-registry.…
I used this to wake some CPU cores which had been sleeping Start a process In this example we will use the yes command (which ordinarily prints "yes" to the screen repeatedly) [robbie@host ~]$ yes > /dev/null & [1] 76493 Observe current CPU core frequencies [robbie@ host…
I accidentally discovered a feature introduced in systemd, which overrides the default SIGINT behaviour for the ctrl-alt-del (CAD) keystroke sequence. Previously, an entry in /etc/inittab such as the below would be sufficient to prevent an accidental CAD (e.g. when remotely connected to a console and using CAD to…
I'd been looking for an equivalent to the UNIX nsupdate facility ( https://linux.die.net/man/8/nsupdate) for RFC2136 compliant updates (to a standard Windows or UNIX DNS server), but in python. I found https://github.com/rthalley/dnspython Although the examples were extremely limited (there was…
The error details [root@mynode ~]# /opt/puppetlabs/bin/puppet agent -t --server puppet_master.mycompany.com --environment production Warning: Unable to fetch my node definition, but the agent run will continue: Warning: Find /puppet/v3/node/?environment=production&configured_environment=produc... resulted in 404 with the message: Not Found:…