Mageia forum

On my laptop I dual boot Windows 7 and Mageia 4 using GRUB2. Everytime I boot into Windows the hostname of Mageia changes to localhost.localdomain. That's annoying. How can I make it stop?

What does the contents of /etc/hostname show?

Run the following in a terminal and include the result in a message here in the forum.

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cat /etc/hostname

That's the file I edit to change the hostname. Currently it's NB3422 which is the hostname I want. But after I once booted Windows, it's localhost.localdomain again.

Please show the output of

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cat /etc/hostname
cat /etc/hosts
cat /etc/sysconfig/network
grep -i -e dhcp -e dns /etc/sysconfig/network-scripts/ifcfg-*

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[parckwart@localhost ~]$ cat /etc/hostname
NB3422
[parckwart@localhost ~]$ cat /etc/hosts
127.0.0.1               localhost
[parckwart@localhost ~]$ cat /etc/sysconfig/network
HOSTNAME=localhost.localdomain
NETWORKING=yes
CRDA_DOMAIN=US
[parckwart@localhost ~]$ grep -i -e dhcp -e dns /etc/sysconfig/network-scripts/ifcfg-*
/etc/sysconfig/network-scripts/ifcfg-enp0s25:BOOTPROTO=dhcp
/etc/sysconfig/network-scripts/ifcfg-enp0s25:DHCP_CLIENT=dhclient
/etc/sysconfig/network-scripts/ifcfg-enp0s25:PEERDNS=yes
/etc/sysconfig/network-scripts/ifcfg-wlp3s0:BOOTPROTO=dhcp
/etc/sysconfig/network-scripts/ifcfg-wlp3s0:DHCP_CLIENT=dhclient
/etc/sysconfig/network-scripts/ifcfg-wlp3s0:PEERDNS=yes


Interesting. So do I have to change the HOSTNAME in /etc/sysconfig/network?

Parckwart wrote:

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[parckwart@localhost ~]$ cat /etc/hosts
127.0.0.1               localhost
[parckwart@localhost ~]$ cat /etc/sysconfig/network
HOSTNAME=localhost.localdomain



Interesting. So do I have to change the HOSTNAME in /etc/sysconfig/network?

Yes, and also for good measure in /etc/hosts (add a new line for 127.0.0.1 with your hostname)
AFAIK /etc/hostname is only used by systemd (hostnamectl)

That's very Interresting. I don't even have HOSTNAME= in /etc/sysconfig/network
Maybe that's why my /etc/hostname is never overwritten.

Well, it all depends how you set the hostname initially.