54keesh

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

54keesh

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

54keesh

>>> docker exec -it CONTAINERID /bin/sh
/app # telnet
/bin/sh: telnet: not found

/app # apk update
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/community/x86_64/APKINDEX.tar.gz
v3.7.0-243-gf26e75a186 [http://dl-cdn.alpinelinux.org/alpine/v3.7/main]
v3.7.0-229-g087f28e29d [http://dl-cdn.alpinelinux.org/alpine/v3.7/community]

54keesh

# allow reload of this file with PRE r
bind r source-file ~/.tmux.conf \; display "Reloaded."

# switch prefix to control-a, unmap b, allow double-a to go through
set -g prefix C-a
unbind C-b
bind C-a send-prefix

# -r repeat time (Default 500 millis)
set -g repeat-time 2000

54keesh

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "[email protected]"

54keesh

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "[email protected]"

54keesh

#!/bin/bash
# based on http://unix.stackexchange.com/questions/175071/how-to-decrypt-hostnames-of-a-crypted-ssh-known-hosts-with-a-list-of-the-hostna/175199#175199

function replace {
  host="$1"
  found=$(ssh-keygen -F "$host" 2>/dev/null | grep -v '^#' | sed "s/^[^ ]*/$host/")
  if [ -n "$found" ]; then
    ssh-keygen -R "$host" &>/dev/null
    echo "$found" >>~/.ssh/known_hosts
    echo "Found and replaced: $host"

54keesh

Bypass disable-devtool

(Working as of 2025-02-09)

There are websites that use disable-devtool to prevent you from opening or using devtools. They typically prevent you from right clicking or using the keyboard shortcut to open devtools. Even if you successfully do so, they detect it and redirect you elsewhere. You can bypass this by using one of the following ways.

Opening devtools

If the shortcut F12 on Windows or Option + ⌘ + I on Mac do not work. Press the three vertically aligned dots in the top right corner of your Google Chrome or Microsoft Edge window. Under the section "More Tools", you'll see the option to select "Developer Tools" which opens the toolkit in your window.

54keesh

Git Commit Messages Style-Guides

• Use the present tense ("Add feature" not "Added feature")
• Use the imperative mood ("Move cursor to..." not "Moves cursor to...")
• Limit the first line to 72 characters or less
• Reference issues and pull requests liberally after the first line
• When only changing documentation, include [ci skip] in the commit title
• Consider starting the commit message with an applicable emoji

Types