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not able modify a file even as root

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Operating Systems Solaris not able modify a file even as root
# 1  
Old 01-25-2009
not able modify a file even as root
Hi all,

i have installed solaris 5.10 on my pc and now not able to change the /etc/hosts file even as a root user,the file always opening in readonly mode.

and also can anybody explain how to configure internet connection in solaris..

Thanks in advance


Regards
Srikanth
# 2  
Old 01-25-2009
for internet, you have to configure the /etc/resolv.conf and nsswitch.conf for the DNS.
check the /etc/hosts permission. Is the system in run level 3? or is there any cdrom ur using at the moment?
# 3  
Old 01-25-2009
yeah my system is in runlevel 3 .can't i modify the file even as root when my system is in runlevel 3
# 4  
Old 01-25-2009
how are you trying to modify your files? what is your userid? what system do you use? how do you login?
please be more exact on what you have done and how!
# 5  
Old 01-25-2009
Did your system face any problems previously? Did you check the permissions first? Was there any hardening done on the system?
# 6  
Old 01-25-2009
hi

i have been logging as root .I just wanted to edit my /etc/hosts through vi but it is opening in read only mode and the permissions for the file are 777..and also iam not able to get into some directories like usr/adm and saying the message permission denied..but i logged in as root user..

am i need to do any root configuration.
# 7  
Old 01-25-2009
might require you to reboot the system to single user and perform filesystem check.
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