이제부터 시작!! 어디 한번해볼까?

#yum updateLoaded plugins: fastestmirrorExisting lock /var/run/yum.pid: another copy is running as pid 4602.Another app is currently holding the yum lock; waiting for it to exit... The other application is: system-install- Memory : 64 M RSS (414 MB VSZ) Started: Thu Jun 20 21:16:14 2013 - 05:31 ago State : Sleeping, pid: 4602Another app is currently holding the yum lock; waiting for it to exit....

위와 같이 에러가 뜬다면#sudo su chmod 0440 /etc/sudoers그래도 안된다면#ls -al /etc/sudoers-rw-r--r-- 1 test root 3293 Jun 20 20:40 /etc/sudoers왜인지 모르겠지만 계정이 변경되어 있다 이걸 root로 변경해주면 된다.#chown -R root:root /etc/sudoers