file writting problem

nirmit · 01-23-2009, 03:15 AM

hi,

i have one live server running Redhat 7.1. In this server i want to edit file hosts.deny. but i am not ablr to do so evenif i am a root user.

permission of that file is -rw-r--r-- , according to the permission i shoud be able to write the file but when ever i open file in vi and try to edit, it gives me a message that "attempting to change a readonly file" after doing changes i am closing file by :wq!. then also it is not writting the file.

so please help me to resolve it

Thanking You
Nirmit

blackhole54 · 01-23-2009, 04:52 AM

Is it possible your partition is mounted read-only?

If so, to change anything on that partition you will need to remount it read-write:

Code:

mount -o remount,rw <partition>

When you are finished, you will likely (for security) want to remount it read-only:

Code:

mount -o remount,ro <partition>

<partition> would be the name of the partition containing /etc -- for example, something like /dev/hda5.

If you don't understand what I just said, please post the output of the mount command (without parameters).

nirmit · 01-23-2009, 06:39 AM

thank you for your reply..

but, i am able to edit hosts.allow file. only hosts.deny file is not editable. and i have to edit it.so plaese help me.

repo · 01-23-2009, 06:44 AM

try to change the permissions to 100644

blackhole54 · 01-24-2009, 01:08 AM

Is it possible the immutables bit is set? (See chattr command.)

@repo

100644? What is that? When I try it on a test file (as expected) I get an error.

repo · 01-24-2009, 04:09 AM

Quote:

@repo

100644? What is that? When I try it on a test file (as expected) I get an error.

should be 0644

nirmit · 01-25-2009, 01:50 AM

hi!thak you for the reply,

but the permission of the file is already -rw-r--r-- (0644).

blackhole54 · 01-25-2009, 03:06 AM

What is the output of

Code:

lsattr /etc/hosts.deny