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How to change Linux hostname

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Full Member level 3
Mar 21, 2002
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flexlm hostname changed?

If I use " hostname cad2" to do that, the name will change back after reboot.

How to change it permanently? I changed /etc/hosts file to change the name, however, the linux machine refuse to work.

changing linux hostname


flexlm 6.1g

You best be aware that it is case sensative, and is lower case ie.


rh 53 set hostname

Don't forget to change your hostname in "/etc/sysconfig/network" either and /etc/HOSTNAME is correct.

changing hostname on linux using gui?

Under RH, I think the entire work can be done easily, using GUI.

was 6.1 change the hostname

under Suse, you have the Yast utility to configurate your system.

lmgrd change hostname

I've modified the hostname in "/etc/sysconfig/network" and /etc/hosts as shown below.

# Do not remove the following line, or various programs
# that require network functionality will fail. localhost asic loghost


After modified and reboot the system, the host name has change to "asic". But I've problems of trying to involk the license using lmgrd -c license.dat.

I got this message for all license:
Vendor daemon can't talk to lmgrd (Cannot connect to license server (-15,570:101 "Network is unreachable"))

Could anyone please give me your advice regarding to this.

Thanks in advance,

linux change hostname permanently

Thank you for your response.

I am currently using redhat 8.0. I cannot get flexlm 6.1g to work after change the hostname; by typing lmgrd -c license.dat. As I can see that after changing the hostname, the hostid is also change. But the license is "ANY" for the hostid of the license, so I don't believe it is a problems.
I did changed back to hostid & hostname as before. The flexlm is working again.
I am not sure why?

change linux hostname

What about using MAC (ethernet) address? You may be able to get rid of hostnames. Can you use a nodelocked license or not?

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