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Creation of public and private key pairsCreate a public/private key pair for a user connecting to a Linux server using OpenSSH.Use ssh-keygen to create the key pair.The creation of a public/private key pair is performed with remote login user privileges.If you do not specify the destination and file name, id_ed25519 and id_ed25519.pub will be created in /home/(user name)/.ssh/. On the way, enter the password for the key.

Adding General UsersRoot is a privileged user and should not normally be logged in as root.You must create your own account separate from root. Create a login user with the following command# useradd huong# passwd huongNew password:Retype new password:passwd: password updated successfullyCreate user's home directorySetting up the use of the sudo commandTo grant sudo privileges to the created general user, use the command "visudo" as root and edit the file "sudoers".This time, "users belonging to the wheel group can use it; they will not be asked for their password when sudoing." Use the

Installing packagesSelect installation media and other insta...