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Script Shell Extracting hostname

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# 8  
Old 07-23-2015
host localhost
# 9  
Old 07-23-2015
Did you consider the hostname command?
# 10  
Old 07-23-2015
Hello All,

We should be little careful with command hostname as if by mistakenly(eg-> hostname NEW_NAME) we have given something like typo etc with it then it will set the hostname of the system to NEW_NAME(Which we had given as typo/unintentionally). This is active right away and will remain like that until the system will be rebooted (because at system boot it will set this from some particular file configurations). Debian based systems use the file /etc/hostname to read the hostname of the system at boot time and set it up using the init script /etc/init.d/hostname.sh. But off course we should be root for same.

Thanks,
R. Singh
Last edited by RavinderSingh13; 07-23-2015 at 02:14 PM..
This User Gave Thanks to RavinderSingh13 For This Post:
chercheur111
# 11  
Old 07-23-2015
Resolved with :
Code:
 hostname -f

# 12  
Old 07-23-2015
On some Unix OS the
Linux command hostname -f sets the hostname to -f!
I usually prefer host `uname -n` plus the just discussed filtering.
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