Which runlevel the ubuntu server starts in

Active 1 month ago. Viewed 3k times. Improve this question. What is the output of who -r , before manually starting the srvices? Did it work before? Add a comment. Active Oldest Votes. Improve this answer. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. The numbers increment. So, for your example, if your init is configured in S only that is the same as runlevel 1.

On boot, your system will start at runlevel 1 and increase running all init scripts for that level, then increment the runlevel and repeat until it gets to the default runlevel specified in inittab. Here that's two. So whatever was configured to turn on in either 1 or 2 will be on. Result: After boot, I have a log message for rcS, and 5 seconds later a log message for rc2. In addition to the answer provided by mdpc, In run level 1, no daemons services are started.

Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Explaining the semiconductor shortage, and how it might end. Does ES6 make JavaScript frameworks obsolete? Featured on Meta. Now live: A fully responsive profile. Related Hot Network Questions. Question feed. Notice, too, that some of the symbolic links start with the letter K, while others start with the more normal S.

This is because some services need to stop when a system enters single user mode. While some of these links point to the same scripts that are used in other run levels, the K kill indicates that these scripts will be run with an argument that instructs the services to stop rather than one that instructs them to start. You can change the default run level on a system, though there is rarely a need to do so. Alternately, if you used the init 3 command, you would also change run levels rebooting is not required to change run states and your runlevel output would look like this:.

If not, just ask runlevel. Use the init command e. Sandra Henry-Stocker has been administering Unix systems for more than 30 years. She describes herself as "USL" Unix as a second language but remembers enough English to write books and buy groceries.

She lives in the mountains in Virginia where, when not working with or writing about Unix, she's chasing the bears away from her bird feeders. Here are the latest Insider stories. More Insider Sign Out.