U

unsupported graphics card, troubleshooting, What to Do If Your System Boots in Console Mode

Update Manager, using, Updating Software Packages on Your System

updating packages, Updating Software Packages on Your System

tools, Updating Software Packages on Your System

usermod command, using to assign roles, Assigning Roles to User Accounts

users and groups

roleadd command, Assigning Roles to User Accounts

usermod command, Assigning Roles to User Accounts

users and roles

overview, Understanding Users and Roles

RBAC, User Accounts, Roles, and Rights Profiles

using Package Manager, Getting Additional Software

using tools to locate device drivers, Ensuring That You Have the Proper Device Drivers