1 개요
- 리눅스 중요 명령어 파일 복구
- 리눅스 명령어 파일 복원
2 실습
※ 주의!!! 진짜 망가질 수 있음
- 망가뜨리기
<source lang='console'> [root@zetawiki ~]# ls anaconda-ks.cfg [root@zetawiki ~]# which ls alias ls='ls --color=auto' /usr/bin/ls [root@zetawiki ~]# mv /usr/bin/ls /usr/bin/ls2 [root@zetawiki ~]# ls -bash: /usr/bin/ls: No such file or directory </syntaxhighlight>
- 패키지 찾기
<source lang='console'> [root@zetawiki ~]# rpm -qf /usr/bin/ls coreutils-8.22-11.el7.x86_64 </syntaxhighlight>
- 재설치하기
<source lang='console'> [root@zetawiki ~]# yum reinstall coreutils ... (생략)
2.1 ===============================================================================
Package Arch Version Repository Size
2.2 ===============================================================================
Reinstalling:
coreutils x86_64 8.22-11.el7 base 3.2 M
Transaction Summary
2.3 ===============================================================================
Reinstall 1 Package
Total download size: 3.2 M Installed size: 14 M Is this ok [y/d/N]: y </syntaxhighlight> <source lang='console'> ... (생략) Installed:
coreutils.x86_64 0:8.22-11.el7
Complete! </syntaxhighlight> <source lang='console'> [root@zetawiki ~]# ls anaconda-ks.cfg </syntaxhighlight>