Linux

centos-release-5-11

2.6.18

- GRUB(GRand Unified Bootloader)

/boot/grub/grub.conf

or /etc/grub.conf

-

> 리눅스 배포판의 이름과 버전

$ rpm -qa *-release

or cat /etc/*-release | uniq

or cat /etc/issue

> 커널 버전

$ uname -r

or cat /proc/version

or last reboot | head -1

or rpm -qa kernel

or yum info installed kernel | egrep "^Version|^Release"

or yum list installed | grep ^kernel

>

# shutdown -h now

or halt

or init 0

$ pm-hibernate

# reboot

or shutdown -r now

or init 6

$ logout

or exit

or ^D

-

## /etc/default/useradd

## /etc/skel/

## /etc/passwd

# useradd user1

# passwd user1

# userdel user1

-

$ mkdir {..}

$ rmdir {..}

$ touch {..}

$ cp {..} {..}

$ rm {..}

$ mv [-b] {..} {..}

$ cat {..}

$ more {..}

$ less {..}

$ find {..} -name ".."

$ grep [-n] ".." {..}

$ chmod (755) {..}

$ chown (linux) {..}

$ chgrp (linux) {..}

$ tar -cvzf {..}.tar.gz /{..}

$ tar -xvzf {..}.tar.gz

$ tar -cvjf {..}.tar.bz2 /{..}

$ tar -xvjf {..}.tar.bz2

# system-config-securitylevel-tui

$ rpm -qa | grep telnet

# yum install telnet-server

# chkconfig telnet on

# service xinetd restart

-

/etc/sudoer

${user id}       ALL=(ALL)       ALL

LD_LIBRARY_PATH (or DYLD_LIBRARY_PATH on Mac OS X)

참조 사이트:

http://www.linuxfromscratch.org/

https://wiki.kldp.org/wiki.php/LinuxdocSgml/Linux-From-Scratch-HOWTO

https://wiki.archlinux.org/index.php/pm-utils

http://devtainer.blogspot.kr/2011/03/sudo-in-centos_16.html

http://jmnote.com/wiki/%EB%A6%AC%EB%88%85%EC%8A%A4_%EB%B2%84%EC%A0%84_%ED%99%95%EC%9D%B8