Prerequisites for using Linux sudo credentials
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Provide one of the following:
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Username and password
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Username and SSH key file path (in PEM format)
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Give the sudo users write access to the
/var/tmp
directory. -
For sudo users, add the user to the /etc/sudoers file. The following shows the privileges and specifications for users.
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User:
<Sudo_user>
(the actual name of the user account)Privilege:
ALL
Specification:
ALL
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Edit the entry in the
/etc/sudoers
file so the system asks for the sudo user password instead of root user password when you run the sudo command. -
The following shows the privileges to comment or remove from
/etc/sudoers
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User:
ALL
Privilege:
ALL
Specification:
ALL
NOTE:Only use this option with
Defaults
targetpw
on all systems. -
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When using SSH keys for login credentials combined with sudo, edit the entry in the
/etc/sudoers
file so that the system does not ask for the user password as follows:-
User:
sudo_user
Privilege:
ALL
Specification:
NOPASSWD:ALL
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