ubuntu 에는 chkconfig 가 없다. 사용법은 비슷한 sysv-rc-conf 이 있으니 사용하자. # apt-get install sysv-rc-conf # sysv-rc-conf sendmail on # sysv-rc-conf sendmail off # sysv-rc-conf --list | grep sendmail sendmail 0:off 1:off 2:on 3:on 4:on 5:on 6:off 만약에 # apt-get install sysv-rc-conf Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package sysv-rc-conf 설치..