Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
2,816
reputation
9
40
75

Der Hochstapler

Never forget:

  • :w !sudo tee %
    Save a file in vim when you neglected to open the file with sudo 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 kernels

  • https://signup.microsoft.com/productkeystart
    Register new Office 365 product keys for an existing tenant.

40
answers
63
questions
~342k
people reached

Top Tags (82)

Score 21
Posts 25
Posts % 24
Score 17
Posts 7
Score 16
Posts 10
Score 10
Posts 12
Score 7
Posts 10
Score 5
Posts 8

Top Posts (103) All Questions Answers | Votes Newest

View all questions and answers

Badges (124)

Gold

9

Rarest

Silver

40

Rarest

Bronze

75

Rarest