I had the following error installing munin-node on a new CentOS 8 system: Depsolve Error occured: Problem: package munin-node-2.0.54-2.el8.noarch requires perl(Net::SNMP), but none of the providers can be installed\n - conflicting requests - nothing... » More
To start, create a config file with your Gitlab personal token: vi ~/.python-gitlab.cfg With contents similar to below: default = gitlab ssl_verify = true timeout = 5 url = https://gitlab.com private_token = 1234ABCD1234ABCD... » More
I wanted to play around with Chef locally for testing pulling encrypted variables from data bags. Prerequisites ChefDK (includes chef-solo) Encryption Create a Cookbook: chef generate cookbook "firstcookbook" Data Bags Create the... » More
I had to fiddle a bit with this so possibly worth keeping a note of it. I wanted to pull all the node hostnames and ip addresses from chef for use in hostname lookups and ssh config. knife exec -E 'nodes.find("*:*") {|n| printf "%s - %s \n",... » More
In newer versions of MySQL it looks like the 'Password' field has been replaced with the 'authentication_string' field so older instructions online may not work. Stop the currently running MySQL service: systemctl stop mysql Start mysql... » More
I wired a CP2102 USB to TTL Serial Converter to the LHT65 UART connector - see images below: Then on the linux command line ran: dmesg | tail to check the device name that was added by the system. I then connected to that serial device... » More
The example below uses the database named netbox so change as needed. It gets a list of the tables in the database and for each one performs a full vacuum and analyze. There is probably a more efficient way to do this from the psql prompt but this is... » More
In this scenario I wanted to be able to run several VMs that can communicate with each other on a private subnet e.g. 10.10.10.* and also be access the internet for updates etc. Eventually I want to expose some of the internal services. My proxmox... » More
Had a problem with Nagios/NRPE checks that are configured to write a status file as part of their check. The path /var/logstate was the target created the policy below. Andrew (Urban Penguin) Youtube video is an excellent resource. Install selinux... » More
Nagios check for Dell OpenManage was failing after upgrade to srvadmin 9.2 with: UNKNOWN: Problem running 'omreport chassis memory': Error: SMStatus: 700 UNKNOWN: Problem running 'omreport chassis batteries': Error! XML Transformation failed UNKNOWN:... » More
I wanted to play around with Chef locally for testing pulling encrypted variables from data bags. Prerequisites ChefDK (includes chef-solo) Encryption Create a Cookbook: chef generate cookbook "firstcookbook" Data Bags Create the... » More
I wired a CP2102 USB to TTL Serial Converter to the LHT65 UART connector - see images below: Then on the linux command line ran: dmesg | tail to check the device name that was added by the system. I then connected to that serial device... » More
