ubuntu superuser command

Ubuntu is a Debian-based Linux operating system. By default, there is no superuser (Root), but some system operations must be performed only with the permissions of a Super User, for example, manually release the memory. In other Linux operating

"Guide" This article describes how to use the sudo command to assign administrative privileges to Ubuntu. One of the distinctive features of Ubuntu is that you can't log in to the system as root when you first use it. This is going to start with

Ubuntu enters root permission command--sudo and su command details Ubuntu User Management sudo means super-user do, which allows the current user to temporarily execute this command as the administrator's identity root.Su is used to

1.df Command# df-haShow the use of all files and partitions# df-h/DEV/SDA1Show SDA1 disk usage# df-tDisplays the file system name belonging to each partition. The format type of the zone (for example, ext3)Note: The H-parameter representation is

Ubuntu has a distinctive feature, that is, when you use it for the first time, you cannot log on to the system as the root user. Why? This should begin with the installation of the system. For other Linux systems, the root password is usually set

The system and software used Ubuntu 12.10Python 2.7.3Django 1.4.2Pycharm 2.6.3Postgresql 9.1VirtualenvVirtualenvwrapperOpenjdk Before you start, be sure to make a backup of your system. Because if the operation is wrong, there will be unnecessary

User management in Ubuntu (1) User account there are usually three types of users in Linux: superuser, regular user, and systemuser ). The UID and GID of the superuser are both 0. The UID of a regular user starts from 1000. System... User management

For better work, we must first have a knife. Our first task is to build a complete LINUX programming environment. We choose ubuntu from the US emperor. We recommend that you select an LTS version, that is, the long-term support version, like ubuntu-1

Reprint, original link http://linux.cn/portal.php?mod=view&aid=170 using Ubuntu to build a Ruby on Rails Local development environment Want to develop a Ruby on Rails app? Although there are already some (beginner) Ruby on Rails

As you can see, most of the tasks are easy to accomplish in Ubuntu's daily use. But what happens when you're ready to expand your application on Ubuntu, such as using a new application, building a home network, and adding a new user? This brief