centos sudo command

I. Introduction to sudo: 1. concept: Sudo is a common tool in linux that allows common users to use superuser permissions. It allows system administrators to execute some or all of the root commands, such as halt, reboot, and su. This not only

For Linux system administrators or advanced users, sudo is one of the most important and essential commands. When we want to run important tasks, sudo provides security-enhancing permissions. Please read this article and see what sudo can do for you.

Use the sudo command in CentOS In linux, because the root permission is too large, it is generally not used. You can only log on to the root user to execute management tasks in some special circumstances. Generally, the su and sudo commands are used

Some time ago, the Python2.6 CentOS 6.5 virtual machine was upgraded to Python 2.7 and installed Pip by the way. http://blog.csdn.net/jcjc918/article/details/11022345However, after discovering the package that was subsequently installed via PIP, the

In CentOS, because the root permission is too large, it is generally not used. You can only log on to the root user to execute management tasks in some special circumstances. Generally, the su and sudo commands are used for temporary root

operating Environment:CentOS 7Database:mariadbProblem Description: run the/var/lib/mysql_install_db command after the Yum installation mariadb database runs, which causes the MARIADB database to fail to start or restart.Fault resolution:[[email

ObjectiveSo that the company's Linux system Rights management more standardized, so that each user has their own permissions, to prevent some users because of the permissions too large after some misoperation, causing the server is not functioning

Forward: http://blog.csdn.net/hejinjing_tom_com/article/details/7767127avoid ' sudo echo x > ' when ' Permission denied 'A : Examplesudo echo a > 1.txt-bash:1.txt:permission deniedB: Analysis:Bash refuses to do so, saying it has insufficient

In daily operation in order to avoid some mis-operation, more secure management system, usually use the user identity is ordinary users, rather than root. When you need to perform some administrator command operation, then switch to the root user to

Designed to illustrate the basic usage and differences of the SU and sudo commands in CentOSKnowledge Reserve 1.Linux is usually not recommended to log in as root directly, too dangerous! However, as a regular user login, and at some point by