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The administrator can configure the sudo command to allow a common user to execute commands in a different user identity (usually a super user) in a controllable way. Introduction The sudo command is similar to the su command in many aspects, but it also has some important functions. The administrator can configure the sudo command to allow a common user to execu

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References Http://hi.baidu.com/xiboliya/blog/item/015ead864e041b2a67096eda.html Body During Ubuntu-10.10 system installation, the system prompts to create a default user, for example, the user name is: xuwei. By default, this user has certain management functions, that is, the operation with root permission can be performed through the sudo command. Because ubuntu does not allow users to log on to the system as root users, this default user is the a

Php uses sudo to obtain the ifconfigeth0down permission. I have already opened many posts, but I really can't achieve it. I hope you can give me some advice, even if it's materials. phpsudo's permission acquisition is actually unreliable on the oknet, I am like this: sudogedit/etc/sudo php gets the ifconfig eth0 down permission through sudo I have already opened

1.StartPerform the recovery mode by shift or ESC 2. Select the root command line mode. 3. Execute # Mount-O remount, RW/ This is very important because many of the materials found on the Internet are incomplete and cannot be restored successfully. Because the recovery mode is mounted in read-only mode by default, if this statement is not executed, it will be reported 4. Execute # Chown root: Root/usr/bin/sudo# Chmod 4755/usr/bin/

After Fedora14 is installed, sudo is not enabled by default. You should first set sudo.The role of sudo is to allow the current non-root user to directly add sudo to the command before using commands without permissions, and then enter the password of the current user to complete the function of the root user, you don't have to switch users back and forth every t

Granting sudo permissions to common users (Linux) sudo is a common tool in linux that allows common users to use superuser permissions. Add sudo before the Super User permission, for example, sudo vim/xxxxxxxxxx, and then the system prompts you to enter the password. After the password is correct, you can edit it like

sudo commandPut ("10", "amount exceeding 30,000 caps");passwd Modifying the sudo password * * * * It is not necessary to enter the password again for some time.Cd/usr/local/tomcat_xxl/webapps/root/web-inf/classes/confpasswdsudo rm-f conf.propertiesLs-lsudo mv ~/conf.properties.sudo bin/startup.sh basic commands# 160906.txt/usr/local/tomcat_xxl/webapps/root/web-inf/classes/com/xx/yy/zz/controller##

Sudo literally means that the Super user do! is one of the most important commands necessary for Linux system administrators or advanced users.Have you ever had this experience: trying to run a command in a terminal and encountering "Access Denied"? What to do? By the way, this is what you need.The command!First, ok! So here's a simple example of how to use configuration and use sudo to manage our specific

Su Switch user, switch to root user, to enter the root user's password Su-user namesudo involves the/etc/sudoers file with the following content:# User Privilege SpecificationRootall= (All:all) all# members of the admin group may gain root privileges%admin all= (All) all# Allow members of the group sudo to execute any command%sudoall= (All:all) all% indicates user groupThe system defaults to only the root user can use sudoAccount name the source of t

For the CP, it requires sudo to operate, because you do not necessarily have permissions for this file operation, you can use Cp-i to consult whether you need to overwrite directly, you can use Ls-l to view the file permissions, and for different locations when you use the CP, This will determine the relative path you are using; For example, if you are in a directory where you need dest, you can sudo the CP

Creating a normal user with the AddUser user1 command, with sudo permissions (adding the new user User1 to the sudo or root user group, or modifying the/etc/sudoer file), but still unable to execute the sudo instruction, will report the following error:sudo:/usr/lib/sudo/sudoers.so must be owned by UID 0You will need t

login, then we use SU login root account, then we must know the password to be able to log in, as follows:This will make the login successful ....sudo: is a Linux system Management Directive, a tool that allows a system administrator to let ordinary users perform some or all of the root commands, such as HALT,REBOOT,SU, and so on. This not only reduces the login and administration time of the root user, but also improves security.Under normal circums

-------. 1 aming grp2 46 October to 18:51. bash_history-rw-r--r--. 1 aming grp2 18 August 3. Bash_logout-rw-r--r--. 1 aming GRP2 193 August 3. Bash_profile-rw-r--r--. 1 aming grp2 231 August 3. BASHRC[[email protected] ~]$ Logout[[email protected] ~]# ls/etc/skel///System template configuration file[[email protected] ~]# ls-la/etc/skel///view FileTotal Dosage 24Drwxr-xr-x. 2 root root 62 October 17 05:04.Drwxr-xr-x. Root root 8192 October 31 18:50.-rw-r--r--. 1 root root 18 August 3. Bash_logout

no sudo .Question: The xxx is isn't in the sudoers file. This incident the solution to be reported. 1. Switch to the root user, how to switch it needless to say it, will not be their own Baidu to go. 2. Add Write permission to the sudo file, the command is: chmod u+w/etc/sudoers 3. Edit Sudoers File Vi/etc/sudoers Find this line of root all= (all), add xxx below him all= (All) (Here's xxx is your userna

Tags: post sudo command GPO body required etc Add user passwd root userSteps1. First cut to root user2. The implementation of Visudo, in fact, is to modify/etc/sudoers3. Add users with the following rules:Youuser all=(All) all%youuser all=(All) allyouuser all =(All) Nopasswd:all%youuser all=(All) Nopasswd:all First line: Allows the user to execute the

Tags: file his sudo xxx chmod reported add/etc/toggleXXX is not in the sudoers file. This incident would be reported. Solution1. Switch to the root user,2. Add the Write permission to the sudo file, and the command is:chmod u+w/etc/sudoers3. Edit the Sudoers fileVi/etc/sudoersFind this line root all= (all) all, add the following to him xxx all= (all) all (here xxx is your user name)PS: Here you can sudoers

In linux, the su command for switching user 1 -- su USERNAME is to disable a new environment variable shell after switching the user, that is, the user's shell is still in the pre-switching state, you have the permissions of the user before the switchover. 2 -- su-USERNAME: Add "-" after the su command to enable a new variable. The Root user does not need to enter a password when switching to a common user. 3 -- sudo is to execute a command as another

sudo works as follows:1, when the user executes sudo, the system will proactively look for the/etc/sudoers file to determine if the user has permission to execute sudo2. After confirming that the user has permission to execute sudo, let the user enter the password confirmation3, if password input is successful, execute sudo