Users and Groups in Linux : Create, List, Add, Edit, Assign, and Delete скачать в хорошем качестве

Users and Groups in Linux : Create, List, Add, Edit, Assign, and Delete

How to Create, List, Add, Edit, Assign and change user groups, and Delete Users and Groups in Linux Commands used: 1. list users show current user #users list all users #cat /etc/passwd or #getent passwd 2. list groups show groups for current user #groups show groups for a user #groups username list all groups #cat /etc/group or #getent group 3. Create a New User Create a New User #useradd username this command will create user and a group will also created for the new user with the same name Create a New User and Assign a Group in one command #useradd -G groupname username or #useradd -G group1,group2,group3 username 4. change user password or set password for the new user #passwd username 5. add new group #groupadd newgroup 6. Add existing User to a Group add a User to a Group #usermod -a -G group username add a User to Multiple Groups #usermod -a -G group1,group2,group3 username 7. Removing user from group #gpasswd -d username group 8. Change User Primary Group #usermod -g group user Note: -g lowercase to assign user primary group 9. delete groups #groupdel groupname 10. delete user #userdel username #userdel -r username Note: -r option to remove user's home directory and the user's mail spool