Yes i have done already passwordless access.It means when i run this command on unix terminal it dont for password.
On terminal i run like:
ssh username@machinename 'ls dirname' ##it never promp me for password
ssh uses your ~/.ssh/id_rsa file to log in without a password. The server you want into compares that with a key you gave it. ssh is extremely particular about who is allowed to read this file -- for your webserver to use it, it needs its own copy that belongs to it and can't be read by anybody else. If it thinks the security is lax enough for the key to be stolen, ssh will refuse to operate passwordlessly.
In a root terminal, do this once:
Code:
# Create a safe place for apache to get the key.
mkdir /etc/apache-key
# Make sure it belongs to the web server.
chown apache:apache /etc/apache-key
# Copy the key.
cp /home/username/.ssh/id_rsa /etc/apache-key
# Make it belong to apache and nobody else.
chown apache:apache /etc/apache-key/id_rsa
# Make sure ONLY the apache can read it.
chmod 0400 /etc/apache-key/id_rsa
# Make sure ONLY apache can even get in.
chmod 0700 /etc/apache-key
It might be id_dsa instead of id_rsa, but dsa keys are old now.
Then, in your cgi script, you would run ssh -i /etc/apache-key/id_rsa username@host ls /dir/ and, if everything's where it belongs and has the right permissions, ssh should be able to get in without a password.
buddy i am not sure that i will be able to do these keys operation. So plz give me best commands with little description. i would be very thankful to you.
So after this would i be able to do SCP operation??
---------- Post updated at 12:33 AM ---------- Previous update was at 12:32 AM ----------
buddy i am not sure that i will be able to do these keys operation.
If you don't have root access, it's going to be difficult to get keys with the right permissions. You might have to ask an administrator to do it for you.
Quote:
So after this would i be able to do SCP operation?
Yes, scp is part of ssh and uses the same keys. scp -i /etc/apache-keys/id_dsa ...
What? No. All you're doing is making the right folders and copying the right files into the right place with the right permissions. You do it once, in private, typing it into a root terminal for your webserver. It's not part of your CGI script, and your CGI script itself never needs root.
Quote:
And i know root password even i have sudo access also. Can you illustrate Keys process and commands what i have to do on terminal now buddy ?
Sure.
Code:
# Create a safe place for apache to get the key.
mkdir /etc/apache-key
# Make sure it belongs to the web server.
chown apache:apache /etc/apache-key
# Copy the key.
cp /home/username/.ssh/id_rsa /etc/apache-key
# Make it belong to apache and nobody else.
chown apache:apache /etc/apache-key/id_rsa
# Make sure ONLY the apache can read it.
chmod 0400 /etc/apache-key/id_rsa
# Make sure ONLY apache can even get in.
chmod 0700 /etc/apache-key
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