MacOS (zsh)

Reset Quicklook cache

qlmanage -r cache \
killall Dock

killall finder

Edit zshrc

nano ~/.zshrc

/sbin/fsck_hfs -fy /dev/disk2

Homebrew

Install Wine

brew tap homebrew/cask-versions

Useful shit from an old job

• sysctl -n machdep.cpu.brand_string

  • gets cpu name string with clock speed

• echo $(expr sysctl -n hw.memsize / $((1024**3)))

  • gets memory size in GB

• df -H

  • disk sizes - reference the largest one

• /Volumes/Install\\ macOS\\ Big\\ Sur/Install\\ macOS\\ Big\\ Sur.app/Contents/MacOS/InstallAssistant

  • runs installer from disk

  • use tabs after writing a couple letters of each folder to autofill

• pwpolicy -u <shortusername> -setpolicy "newPasswordRequired=1"