原创 Configure time service clients

Learn how to manage the system time and configure the chronyd service to work with NTP. Local time managementSince Red

原创 Configure superuser access

Manage users and groups Configure superuser access A similar and basic doc about this topic from RedHat Openstack P

原创 Boot system into different targets manually

runlevel & target runlevel is specific to Sys V init process. The SysV init runlevel system provides a standard process

原创 Linux by mageedu

ObjectiveNotes for Linux training by mageedu

原创 Operating System

Introduction Definition:1-1 In a strict sense, an operating system is the software that controls the hardware resource