Der Hochstapler
Never forget:
:w !sudo tee %
Save a file in vim when you neglected to open the file withsudo
but already made changes you don't want to lose.Ctrl+X,*
Evaluate globbing on your current input on the bash command line.postfix flush
Pump out the postfix queue on your backup MX after you've fixed the issue with your primary MX.git tag -l | xargs -n 1 git push --delete origin; git tag | xargs git tag -d
Delete all tags from a git repo - remotely and locally.sudo apt-get purge $(for tag in "linux-image" "linux-headers"; do dpkg-query -W -f'${Package}\n' "$tag-[0-9]*.[0-9]*.[0-9]*" | sort -V | awk 'index($0,c){exit} //' c=$(uname -r | cut -d- -f1,2); done)
Delete old kernelshttps://signup.microsoft.com/productkeystart
Register new Office 365 product keys for an existing tenant.
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Last seen Jun 24 '19 at 19:41
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