Useful Commands for Linux

map <F7> <ESC>:set mouse=a<CR> // enable
map <F8> <ESC>:set mouse-=a<CR> // disable

grep -r [찾을 문자열] [대상파일들]

find . -name '*.conf' | xargs grep -r --color=auto -n 2>dev/null 'phpMyAdmin'

현재 부터 하위 모두를 검색하되, conf 라는 확장자를 가진 파일중에서 'phpMyAdmin' 이라는 문자열을 검색한다. 그리고 일치 문자열은 강조색으로 표시!

printf "\n"

homeTotal=`df -h | grep /dev/mapper/ubuntu--vg-root | awk '{print $2}'`
homeUsing=`df -h | grep /dev/mapper/ubuntu--vg-root | awk '{print $3}'`
homePer=`df -h | grep /dev/mapper/ubuntu--vg-root | awk '{print $5}'`
workTotal=`df -h | grep sdc1 | awk '{print $2}'`
workUsing=`df -h | grep sdc1 | awk '{print $3}'`
workPer=`df -h | grep sdc1 | awk '{print $5}'`
backupTotal=`df -h | grep sdb1 | awk '{print $2}'`
backupUsing=`df -h | grep sdb1 | awk '{print $3}'`
backupPer=`df -h | grep sdb1 | awk '{print $5}'`

echo " Home disk Usage : ${homeUsing} / ${homeTotal}  (${homePer}) "
echo " Work disk Usage : ${workUsing} / ${workTotal}  (${workPer}) "
echo " Backup disk Usage : ${backupUsing} / ${backupTotal}  (${backupPer}) "

printf "\n"

#!/bin/bash

for pkg in `dpkg --get-selections | awk '{print $1}' | egrep -v '(dpkg|apt|mysql|mythtv)'` ; do apt-get -y --force-yes install --reinstall $pkg ; done