没声音
终端输入:sudo killall coreaudiod
触控板手势无效
终端输入:killall Dock
清除DNS缓存
终端输入:sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder
Homebrew
执行更新:brew update
检查过时软件包:brew outdated
执行升级:brew upgrade
清理缓存:brew cleanup
终端输入:sudo killall coreaudiod
终端输入:killall Dock
终端输入:sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder
执行更新:brew update
检查过时软件包:brew outdated
执行升级:brew upgrade
清理缓存:brew cleanup