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I am new to Ubuntu, so this might be a silly question. I just followed the instruction online and installed Ubuntu on my Acer CB3-111 Chromebook. I noticed something different than the Ubuntu that I installed on my windows PC. The command line is like this: 

(precise)myusername@localhost:~$

What does the (precise) mean? I didn't have this on the other laptop. My professor's Ubuntu doesn't show this either. Did I install a wrong version of Ubuntu? I am using Ubuntu for bioinformatics mainly. How do I get rid of the word precise?

And what is localhost? I used to have something like this: 

myusername@myusername:~$

Can I change this also?

muru
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1 Answers1

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The (precise) indicates that you're running inside a chroot, not inside a normal Ubuntu installation. (Are you using Crouton?) To remove it, edit ~/.bashrc, find the following lines:

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi

Comment them out by adding a # at the beginning of each line.

The localhost part is the hostname of your chroot. On your dual-boot system (the one with Windows), your hostname and username happened to be the same. To set the hostname, use hostnamectl:

hostnamectl set-hostname myusername
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muru
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