Using brew to install MariaDB: To manage the service use ‘brew services’ e.g Notice that the install ran the following: So connect to MariaDB as your Mac user e.g. I used my mac user password. Or just with the mysql command e.g.
Posts By: jonny
Check SSL Certificate Dates via CLI
Quick command to check the expiry dates on SSL certicate:
Hashicorp Nomad Dev Install on Debian
Ensure the deb repo is configured and install nomad: Environment Variables Development Mode These commands are for testing non-production tasks. In this example I am running on a server with IP address 192.168.1.91 The web UI will be available on that IP port 4646 Check the status of the node: Running a test redis job… Read more »
Hashicorp Vault Install on Debian
For a new vault cluster, add the APT repo: Depending on how you have configured the listener you may need to set an environment variable specifying the vault location before commands like ‘vault status’ will work: Notice I am setting a variable to disable certificate verification to avoid having to add ‘-tls-skip-verify’ to each command…. Read more »
Packer HCL Environment Variables
Converting Packer templates from json to HCL for Packer version 1.7.2. The easiest thing to do is try the automated conversion: For environment variables we need to set them with a PKR_VAR prefix e.g. Then that can be defined in the template.pkr.hcl file with: And then used in later sections like this: Then your validation… Read more »
Ansible Ad Hoc Commands
Just for future reference: ansible -i /tmp/ips -f 10 -m shell -a “sudo docker restart logstash” all
CentOS 8 munin-node needs PowerTools
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 provides perl(Digest::SHA1) >= 1.02 needed by perl-Net-SNMP-6.0.1-25.el8.1.noarch Solution is to enable the repo CentOS-PowerTools sed -i ‘/enabled=0/enabled=1/’ /etc/yum.repos.d/CentOS-PowerTools.repo
Gitlab API and Python
To start, create a config file with your Gitlab personal token: vi ~/.python-gitlab.cfg With contents similar to below: [global] default = gitlab ssl_verify = true timeout = 5 [gitlab] url = https://gitlab.com private_token = 1234ABCD1234ABCD api_version = 4 next create a directory and a python virtualenv: bashmkdir ./code/python/testpython3 -m venv envsource env/bin/activatepip3 install requests python-gitlab… Read more »
Chef Beginner First Cookbook
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 encryption key for encrypting data bag items: openssl rand -base64 512 > ~/.chef/encrypted_data_bag_secret Create a local data bag: knife data bag create ssh-private-keys… Read more »
Chef Knife List Nodes with IPs
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.
