mirror of
https://github.com/jakejarvis/jarv.is.git
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152 lines
4.4 KiB
Markdown
152 lines
4.4 KiB
Markdown
---
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title: "Cool Bash Tricks for Your Terminal's \"Dotfiles\""
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date: 2018-12-10 20:01:50-0400
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description: "Bashfiles usually contain shortcuts compatible with Bash terminals to automate convoluted commands. Here's a summary of the ones I find most helpful that you can add to your own .bash_profile or .bashrc file."
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tags:
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- Dotfiles
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- Hacks
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- macOS
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- Programming
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- Terminal
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- Tutorial
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aliases:
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- /2018/12/10/cool-bash-tricks-for-your-terminal-dotfiles/
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image: "terminal_icon.jpg"
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draft: false
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---
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{{< image src="images/terminal_icon.jpg" width="500" alt="Terminal.app on macOS" >}}
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You may have noticed the recent trend of techies [posting their "dotfiles" on GitHub](https://github.com/topics/dotfiles) for the world to see. These usually contain shortcuts compatible with Bash terminals to automate convoluted commands that, I'll admit, I needed to Google every single time.
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My [full dotfiles are posted at this Git repository](https://git.jarv.is/jake/dotfiles), but here's a summary of the ones I find most helpful that you can add to your own .bash_profile or .bashrc file.
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* * *
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Check your current IP address (IPv4 or IPv6 or both) — uses [my simpip server!](https://github.com/jakejarvis/simpip):
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```bash
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alias ip4="curl -4 simpip.com --max-time 1 --proto-default https --silent"
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alias ip6="curl -6 simpip.com --max-time 1 --proto-default https --silent"
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alias ip="ip4; ip6"
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```
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Check your current local IP address:
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```bash
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alias iplocal="ipconfig getifaddr en0"
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```
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Check, clear, set ([Google DNS](https://developers.google.com/speed/public-dns/) or [Cloudflare DNS](https://1.1.1.1/) or custom), and flush your computer's DNS, overriding your router:
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```bash
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alias dns-check="networksetup -setdnsservers Wi-Fi"
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alias dns-clear="networksetup -getdnsservers Wi-Fi"
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alias dns-set-cloudflare="dns-set 1.1.1.1 1.0.0.1"
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alias dns-set-google="dns-set 8.8.8.8 8.8.4.4"
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alias dns-set-custom="networksetup -setdnsservers Wi-Fi " # example: dns-set-custom 208.67.222.222 208.67.220.220
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alias dns-flush="sudo killall -HUP mDNSResponder; sudo killall mDNSResponderHelper; sudo dscacheutil -flushcache"
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```
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Start a simple local web server in current directory:
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```bash
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alias serve="python -c 'import SimpleHTTPServer; SimpleHTTPServer.test()'"
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```
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Test your internet connection's speed (uses 100MB of data):
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```bash
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alias speed="wget -O /dev/null http://cachefly.cachefly.net/100mb.test"
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```
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Query DNS records of a domain:
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```bash
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alias digg="dig @8.8.8.8 +nocmd any +multiline +noall +answer" # example: digg google.com
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```
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Make a new directory and change directories into it.
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```bash
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mkcdir() {
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mkdir -p -- "$1" &&
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cd -P -- "$1"
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}
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```
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Unhide and rehide hidden files and folders on macOS:
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```bash
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alias unhide="defaults write com.apple.finder AppleShowAllFiles -bool true && killall Finder"
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alias rehide="defaults write com.apple.finder AppleShowAllFiles -bool false && killall Finder"
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```
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Force empty trash on macOS:
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```bash
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alias forcetrash="sudo rm -rf ~/.Trash /Volumes/*/.Trashes"
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```
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Quickly lock your screen on macOS:
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```bash
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alias afk="/System/Library/CoreServices/Menu\ Extras/User.menu/Contents/Resources/CGSession -suspend"
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```
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Update Homebrew packages, global NPM packages, Ruby Gems, and macOS in all one swoop:
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```bash
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alias update="brew update; brew upgrade; brew cleanup; npm install npm -g; npm update -g; sudo gem update --system; sudo gem update; sudo gem cleanup; sudo softwareupdate -i -a;"
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```
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Copy your public key to the clipboard:
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```bash
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alias pubkey="more ~/.ssh/id_rsa.pub | pbcopy | echo '=> Public key copied to pasteboard.'"
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```
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Undo the most recent commit in current Git repo:
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```bash
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alias gundo="git push -f origin HEAD^:master"
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```
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Un-quarantine an "unidentified developer's" application [blocked by Gatekeeper](https://support.apple.com/en-us/HT202491) on macOS's walled <del>prison</del> garden:
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```bash
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alias unq="sudo xattr -rd com.apple.quarantine"
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```
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Quickly open a Bash prompt in a running Docker container:
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```bash
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docker-bash() {
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docker exec -ti $1 /bin/bash
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}
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```
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Pull updates for all Docker images with the tag "latest":
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```bash
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docker images --format "{{.Repository}}:{{.Tag}}" | grep :latest | xargs -L1 docker pull
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```
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This odd hack is needed to run any of these aliases as sudo:
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```bash
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alias sudo="sudo "
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```
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* * *
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[View all of my dotfiles here](https://git.jarv.is/jake/dotfiles) or [check out other cool programmers' dotfiles over at this amazing collection](https://dotfiles.github.io/).
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