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i am a new user of linux. i was using redhat9 machine networked with a server. when we login to the pc it was made to mount on to the /home of the server. now for making independant from the server (ie to boot solely on the pc) i edited the fstab. i made some mistake and now i cant edit the fstab as it is readonly. even if i log in as root on the pc there is no right to edit the fstab. i understand that the root on the server had the permissions and how can i tackle the problem? any suggestions and directions would be appreciated. when booting the system it asks for root password to solve. should i give the root password of the server? please help in this regard.
first login as root and check the right of the fstab ls -l /etc/fstab
if even root is in read only type this chmod 600 /etc/fstab then you can try to edit with vi or what even you want but loged as root, and it should work.
i mentioned in the question that i could not change the permission by 'chmod' even when i login as root(of the local machine). the thing is that, the local machine was booting onto the server (linux only) and our work was done on the /home of the server. i tried to change the local machine to boot on to its /home so that i can work independantly. then error came and when i reboot fstab can not be edited. how can i change the permission of /etc/fstab? by giving the root password of the server? (since when the local machine was networked with the server our root was on the server). or what should i do to change the permission of the /etc/fstab? hope it is now clear to you.
thanks for your help...