poltyouth.blogg.se - Centos passwordless sudo

#Centos passwordless sudo how to#
#Centos passwordless sudo code#
#Centos passwordless sudo password#

#Centos passwordless sudo code#

In each case, the lines in the code block should be added to /etc/sudoers (using the visudo command, of course, which will ensure that you haven't made any syntax errors), or to a file under /etc/sudoers.d if your system is set up to include those files in the sudo configuration (thanks Xetius). Insecure: if you really want to give all user accounts passwordless sudo access, thanks to a comment by medina, you can write ALL ALL = (ALL) NOPASSWD: ALL īut you will have to edit the sudo configuration each time you want to change which users have access. Secure-ish but annoying: grant passwordless sudo access to an explicit list of users: User_Alias EVERYONE = user1, user2, user3. Recommended: make a group of users who can use sudo without a password: %wheel ALL = (ALL) NOPASSWD: ALLĪnd add all user accounts which people might use to this group. To set up a passwordless SSH connection for the root user you need to have root access on the server.I'm switching this around a little bit from previous versions of this answer. One way or another you need root access on the server to do this.Įasiest method is to temporarily allow root to log in over ssh via password. If you do not have root access on the server, contact the server administrator for help. I highly suggest you give it a name rather then using the default ssh-keygen -f foo On the client (where you ssh FROM)įirst make a ssh key with no password. The -f option specifies a file name, foo is an example, use whatever name you wish. When you are prompted for a password, just hit the enter key and you will generate a key with no password. Next you need to transfer the key to the server. Restart the server sudo service ssh restart Make sure you allow root to log in with the following syntax PasswordAuthentication yes On the server (where you ssh TO)Įdit /etc/ssh/sshd_config sudo nano /etc/ssh/sshd_config To do this you must temporarily allow root to ssh into the server.

#Centos passwordless sudo password#

Set a root password, use a strong one sudo passwdįrom the client, Transfer the key to the server ssh-copy-id -i ~/.ssh/foo "foo" the the name of your key and enter your server root password when asked. On the server : sudo passwd -l rootĮdit /etc/ssh/sshd_config sudo nano `/etc/ssh/sshd_config`Ĭhange the following : PasswordAuthentication no Test the key ssh -i ~/.ssh/foo it works, unset a root password and disable password login. ssh -i ~/.ssh/foo 2 : Running commands via sudo without entering a password You should now be able to ssh in with your key without a password and you should not be able to ssh in as any user without a key. You configure sudo to allow you to run commands without a password. How do I run specific sudo commands without a password?.

#Centos passwordless sudo how to#

How to run sudo command with no password?.

Of the two, I suggest allowing as few commands as possible (first answer) rather then all commands (second answer). Passwordless log is used to make sure that people can't log into your system remotely by guessing your password. If you can ssh and connect without a password, this is set up correctly, and has nothing else to do with this. Sudo is used to permit a normal user account to do something with super user permissions. This does require the user to type their password. This happens whether you are connected remotely (via passwordless or password-protected SSH) or are local on the machine. You are trying to set sudo to not ask for your password, which is not recommended, but you can learn how to do that via an answer like

My above answer does not answer the original poster's actual question, it describes what you should do instead. If you really want to allow remote connections directly to the root account, you need to enable the root account (see my comment below). Again, let me say DO NOT allow remote remote log-ins to your root account.You’ve probably seen tutorials that use sudo for running administrative commands as root. However when you try it, you get told your user ID is “not in the sudoers file, this incident will be reported.” For developers, sudo can be very useful for running steps that require root access in build scripts. How to configure sudo access on Red Hat Enterprise Linux (RHEL) and CentOS so you won’t need to use su and keep entering the root password.

Configuring sudo to not ask for your password.How to enable sudo during system installation.#Passwordless sudo for specific command how to To enable sudo for your user ID on RHEL, add your user ID to the wheel group: Why sudo seems to work out of the box for some users and not others. Now you will be able to use sudo when logged in under your normal user ID. You will be asked to enter the password for your user ID when you run a sudo command. #Passwordless sudo for specific command password #Passwordless sudo for specific command password.#Passwordless sudo for specific command how to.