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Let’s Encrypt SSL for GitLab
To enable Let’s Encrypt SSL for GitLab, follow these steps. Ensure that GitLab is configured properly and you have root access to your GitLab instance. The steps apply to GitLab’s Omnibus installation. 1. Ensure Prerequisites A publicly accessible domain name pointing to your GitLab server. Port 80 (HTTP) and port 443 (HTTPS) open on your […]
kubectl Quick Reference
Kubectl autocomplete BASH source <(kubectl completion bash) # set up autocomplete in bash into the current shell, bash-completion package should be installed first. echo “source <(kubectl completion bash)” >> ~/.bashrc # add autocomplete permanently to your bash shell. You can also use a shorthand alias for kubectl that also works with completion: alias k=kubectl complete -o default […]
AWK and Regular Expressions to Filter Text or String in Files
AWK is an interpreted programming language. It is very powerful and specially designed for text processing. AWK – Basic Examples This chapter describes several useful AWK commands and their appropriate examples. Consider a text file marks.txt to be processed with the following content − 1) Amit Physics 80 2) Rahul Maths 90 3) Shyam Biology […]