BASH – Completion for aliases

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Install bash-completion if it is not installed

CentOS / Fedora / RHEL:
yum -y install bash-completion

Debian / Ubuntu:
apt-get -y install bash-completion

Add bash completion for „kubectl“ to .bash_aliases

echo "source <(kubectl completion bash)" >> ~/.bash_aliases

Add alias and bash completion to .bash_aliases to make the changes persistent across sessions

echo "alias k=kubectl" >> ~/.bash_aliases
echo "complete -F __start_kubectl k" >> ~/.bash_aliases

If you only added the commands to .bashrc make them available in the current session

source ~/.bashrc

You can now use „k“ instead of „kubectl“ for kubernetes commands and TAB for auto-completion.