sys_version:12.04LTS
For example:
#chkconfig --level mysql on
/sbin/insserv:No such file or directory
Fix:
# ln -s /usr/lib/insserv/insserv /sbin/insserv
PS:在debian和ubuntu中可以使用sysv-rc-conf来代替chkconfig,使用方法很简单，和chkconfig类似
sudo sysv-rc-conf --level samba4 on