run_levels
Run Levels and their meanings:
| Value | Explanation |
|---|---|
| 0 | Halt |
| 1 | Single-user text mode |
| 2 | Full multi-user with no networking |
| 3 | Full multi-user, console logins only |
| 4 | Not used (user-definable) |
| 5 | Full multi-user graphical mode (with an X-based login screen) |
| 6 | Reboot (Do NOT set initdefault to this) |
CentOS 6:
List all services and their run levels:
chkconfig --list
Starting service on boot
chkconfig httpd onThis turns on run levels 2, 3 and 4
Turning on specific run levels
Turning on levels 3,4 and 5
chkconfig --level 345 httpd on
Turning off run levels
chkconfig --level 5 httpd off
run_levels.txt · Last modified: 2024/05/23 07:26 by 127.0.0.1