Unable to edit file remotely using ssh


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# 1  
Unable to edit file remotely using ssh

Hi,

I am trying to edit the /etc/sudoers file using ksh, however I am unable to do that. Please find the code below:

Code:
ssh $i "/usr/local/bin/sudo /usr/bin/echo "$user_id     ALL=(ALL) ALL" >> /etc/sudoers"

I've tried changing the double quotes to single but it is still not working. The user_id will be given when the script runs. I've tried this also:

Code:
ssh $i '/usr/local/bin/sudo /usr/bin/echo "$user_id     ALL=(ALL) ALL" >> /etc/sudoers'

I am getting the below error in both the cases:

Code:
ksh: /etc/sudoers: cannot create

Any suggestions will be appreciated.

Thanks
# 2  
Looks to be a permission issue with your credentials on the remote machine. Are you sure the userid thats used with ssh login is part of sudoers on the remote machine ?

Also pls check permissions of /etc/sudoers on the remote system.
# 3  
The user which is executing the script is added into the sudoers of the remote machine also the permissions of the sudoers file are given below:

Code:
# grep -i testmgmt /etc/sudoers
testmgmt        ALL=(ALL) NOPASSWD: /usr/sbin/useradd, /usr/sbin/userdel, /usr/local/bin/sudo, /usr/sam/lbin/usermod.sam, /usr/bin/perl, /log/script/server_script/deluser.sh, /log/script/server_script/deluser1.sh, /usr/bin/echo
# ls -ld /etc/sudoers
-r--r-----   1 root       root          1928 Sep  3 14:39 /etc/sudoers

Please suggest now, as the user is able to create the users on the remote machine but unable to edit the sudoers file.
# 4  
The safest way to edit sudoers file without changing its permissions is using visudo

This thread will give you some hint

linux - How do I edit /etc/sudoers from a script? - Stack Overflow
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