ubuntu user

Programme I,Ubuntu Desktop system after installation switch to the root user method:: ~$ sudo-s-HUse the above command to switch to the root userUnder root user, use the following command::/# passwdSet the root user's passwordModifying the root password of the Ubuntu system by using the above method can be done by the

Tags: NSS system login/etc/using roo CLI net accessSSH server, you can access the remote server via SSH protocol instead of Telnet and FTP. However, Ubuntu defaults to not enable root users and does not allow root login. So you need to enable the root user firstEnable root User: sudo passwd root//Change password is enabled.To install OpenSSH server: Install

I. User OverviewBy default, the root user of ubuntu server is not enabled. Generally, You can temporarily obtain administrator permissions by prefix "sudo" before the command. Then, you will be prompted to enter the password, which is the same as the password of a common user. You can also use sudo-I to promote normal

to log on to the Linux system, you can set the shell of these system users to sbin/nologin or bin/false to prevent these accounts from logging in. The content format of the/etc/passwd file is as follows: Www.linuxidc.com @ linuxidc :~ $ Cat/etc/passwd Root: x: 0: 0: root:/bin/bash Daemon: x: 1: 1: daemon:/usr/sbin:/bin/sh Bin: x: 2: 2: bin:/bin/sh Sys: x: 3: 3: sys:/dev:/bin/sh Sync: x: 4: 65534: sync:/bin/sync Games: x: 5: 60: games:/usr/games:/bin/sh Man: x: 6: 12: man:/var/cache/man:/bin/sh

If you forget the Ubuntu user name or password, follow these steps: 1, move up and down at startup, select (not press Enter) Repair Mode similar to this "Ubuntu-x.x.xx.xx-generic (recoverymode ), then press e. 2, in the Level 2 menu select a kernel line, such as: "kernel/boot/vmlinux-x.x.xx-xx-genericroot = UUID = ae424e-bod0-475c-2 If you forget your

http://tieba.baidu.com/p/3333869633Ubuntu Login Enter user name password and then re-jump back to the login screenUbuntu 14.04Today to learn bird's private dishes using the command startx, log off and re-login, the situation has occurred title. Enter the correct username and password in the login screen, display a black screen for a period of time, and then re-jump back to the login screen. Restart is not valid.By searching on the web. Found a solutio

　　Ubuntu server, in addition to the installation process will prompt to set the first user (non-root) user name and password, until the installation is complete does not involve the root user settings. What the root user's password is, and how to set the root user, is confus

as 1000(2) Groupdel: Deleting a groupGroupdel group1 # Deleting a group7.alias: Alias the command　　Alias alias = ' formerly ' #如:alias la= ' Ls-a 'If an alias is required to be permanent, it needs to be saved to the. bashrc file8.su with sudo:(1) SU: Switch User, when no parameters, the default switch to the root userSu-# switch to root and load User1 's environment configuration　　Su-user1 # Switch to user1 and load the User1 environment configuratio

Ubuntu 12.04Not allowed by defaultRootLogin, only common users and visitors can be seen in the login window. After logging on to Ubuntu as a normal user, we need to make some modifications. After logging on to a common user, we need to switch to the Super User Mode to modify

When you install Oracle database, you need to create a new user Oracle, using the following command: Useradd Oracle. This creates the user Oracle directly, but does not create the Oracle user's files in the home directory. When log out and landed Oracle users, it was found to be circulating in the login interface, unable to log in. Search on the Internet, and found that each

Ubuntu 12.04 root User Logon method ubuntu 12.04 does not allow root login by default. Only common users and guest logon can be seen in the login window.We need to make some modifications as follows: Run: sudo gedit/etc/lightdm. conf to add greeter-show-manual-login = trueAllow-guest = false the entire configuration file modified is www.2cto.com [SeatDefaults] gr

User name password and root password are not the same password reset (modify) root password　　Ubuntu Root initial password is random, each boot has a new root password modification method as follows:1.sudo passwd2. Enter your username and password here　　3. two times enter the root new password set.4. Enter su root to switch to the root administrator5. Enter the toot new password set in step three .PS: Modify

For more information, see the following section. I have been using Windows for years. From Win 3.1 to the latest Vista, I am used to holding the mouse around, simple and straightforward. I have been paying attention to Linux for a long time, but I have been discouraged by the cool commands and unfriendly interactive interfaces. Recently, I started to use Ubuntu, which is popular with netizens, I was greatly impressed with Linux. The following are m

Ubuntu User ManualIt seems strange to have installed a linux kernel-based Ubuntu system. Fortunately, there are some memories of linux, just to remember it. After the installation, first, we need to select the download server most suitable for ourselves in the system settings, which will greatly improve the speed. Here we recommend a software, which is very usefu

Play local music or listen to foreign music radio, Ubuntu 14.04 comes with music player Rhythmbox completely can meet, but if you want to have like a cool dog as the domestic player will need to toss a bit, fortunately there is a deep music player, this is a completely Chinese developed music player,Deepin Music Player (DMusic) + Baidu Music plugin = Cool dog, but if it is the Deepin system users will not need to toss it at all. Just a second:Installa

Ubuntu 9.10 switches to the root user, ubuntu9.10 I installed ubuntu9.10 yesterday. After logging on to the system, it was a common user and the operation was inconvenient. I checked the information on the Internet. There are many methods. I found the simplest method. Some materials say that the root password of ubuntu