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On my Fedora 19 system, I am able to change the system hostname with hostnamectl. This allows me to set several things, such as the static (normal) hostname, as well as a "pretty" hostname.

Is there a simple command that retrieves the pretty hostname, from a bash prompt?

hostname returns the static hostname, and the man page shows no options to recover the pretty one.

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up vote 4 down vote accepted

As per man hostnamectl:

The static host name is stored in /etc/hostname, see hostname(5) for more information. The pretty host name, chassis type and icon name are stored in /etc/machine-info, see machine-id(5).

Therefore, if you have set a pretty hostname using the command

hostnamectl set-hostname --pretty YourHostname

you can retrieve it using a tool like awk:

awk -F= '/PRETTY/ {print $2}' /etc/machine-info
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@Evgeny Vereschagin Piping awk to sed is an ugly as it is redundant: awk -F= '/PRETTY/ {gsub(/"/,"");print $2}' /etc/os-release is simpler... – jasonwryan Aug 28 '15 at 9:43
I agree. But that doesn't work with my example. Try hostnamectl set-hostname --pretty '"MyPretty\\Name"', awk -F= '/PRETTY/ {gsub(/"/,"");print $2}' /etc/machine-info. The result is wrong. – Evgeny Vereshchagin Aug 28 '15 at 10:14
@EvgenyVereshchagin Who would ever set '"MyPretty\\Name"' as a pretty name? – jasonwryan Aug 28 '15 at 10:16
well. this is an extreme case. try sudo hostnamectl --pretty set-hostname "Lennart's Laptop" (example from the manpage) on Fedora 19. awk -F= '/PRETTY/ {gsub(/"/,"");print $2}' prints wrong result Lennart\'s Laptop. – Evgeny Vereshchagin Aug 28 '15 at 10:26
@EvgenyVereshchagin Yes: my point is that piping awk to sed is always wrong. If you want to post a sed answer, then you are welcome to do that... – jasonwryan Aug 28 '15 at 19:14

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