11

Mar

2022

Check SSL Certificate Dates via CLI

March 11, 2022 jonny Uncategorized

Quick command to check the expiry dates on SSL certicate: openssl s_client -servername api.domain.tld -connect api.domain.tld:443 2>/dev/null | openssl x509 -noout -dates

09

Aug

2021

Hashicorp Nomad Dev Install on Debian

August 9, 2021 jonny devops

Ensure the deb repo is configured and install nomad: curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add - sudo apt-add-repository "deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main" sudo apt-get update... » More

09

Aug

2021

Hashicorp Vault Install on Debian

August 9, 2021 jonny debian, devops

For a new vault cluster, add the APT repo: curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add - sudo apt-add-repository "deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main" sudo apt-get update &&... » More

11

Jun

2021

Packer HCL Environment Variables

June 11, 2021 jonny devops

Converting Packer templates from json to HCL for Packer version 1.7.2. The easiest thing to do is try the automated conversion: packer hcl2_upgrade -output-file=template-converted.pkr.hcl template.json For environment variables we need to set them... » More

11

Jul

2020

Ansible Ad Hoc Commands

July 11, 2020 jonny linux, Uncategorized

Just for future reference: ansible -i /tmp/ips -f 10 -m shell -a "sudo docker restart logstash" all

06

Jun

2020

CentOS 8 munin-node needs PowerTools

June 6, 2020 jonny Uncategorized

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

31

Mar

2020

Gitlab API and Python

March 31, 2020 jonny python

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

21

Feb

2020

Chef Beginner First Cookbook

February 21, 2020 jonny configuration management

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

11

Feb

2020

Chef Knife List Nodes with IPs

February 11, 2020 jonny Uncategorized

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

04

Jan

2020

Resetting MySQL root password on newer MySQL 5.7

January 4, 2020 jonny mysql

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