sudo proxy

Sudo is a common tool that allows ordinary users to use Superuser privileges under Linux. The default Ubuntu shutdown root login allows the user to switch to root via sudo-i. If only the WWW user is allowed to restart the Apache service, it can be implemented by configuring/etc/sudoers. This requirement can be achieved with the following modifications. Modify/etc/sudoers can use Visudo edit, the advantage

Linux adds sudo permissions to users and linux UsersLinux adds sudo permissions to users:Sometimes, if you run the sudo command in linux, the prompt is similar:Xxxis not in the sudoers file. This incident will be reported.Here, xxx is the user name, and thus the sudo command cannot be executed. At this time, the follow

You can use the sudo chmod-R 777/usr command to modify the owner of the usr file. As a result, the sudo: must be setuid root problem occurs, that is, the sudo command cannot be used. The methods described on the Internet are almost the same. The following two commands are used: Chown root: root/usr/bin/sudo Chmod 475

1.sudo commandsudo is a Linux system Management Directive, a tool that allows the 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. sudo is not a substitute for the shell, it is for each command.is to get permission.Its features include t

from The local systemadministrator. It usually boils down to these three things: #1) Respect the privacy of others. #2) Think before you type. #3for isn't in thesudoers file. This incident would be reported.Linux By default does not open sudo permissions for the current user (except root)!One: Enter the Super User[email protected] root]$ Su-Two: Start editing and editing/etc/sudoersFile[Email protected] etc]# Ls-al | grep

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

In the past, sudo was basically not used to log on and operate as a root user every time on a virtual machine. However, the recent project needs to do this: access the php Webpage through a browser, php Web pages call and execute a script in linux. This is simple, but in practice, I find that In the past, sudo was basically not used to log on and operate as a root user every time on a virtual machine. Howev

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 authority.This is because the redirect symbol ">" is also a bash command. sudo just lets the echo command have root privileges,However, the ">" command has no root priv

Article Title: echo and sudo. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. As we all know, using echo and command redirection is a quick way to write information to a file. This article describes how to use echo and sudo commands to write information to files that onl

In the Raspberry Pi using PHP to execute the already written C program to obtain some hardware information, because to operate GPIO, so you must use sudo to execute the program.But it's no problem to execute it directly inside bash, and there's no input in PHP.I made an implementation, with the simplest LS command, direct exec ("LS/") can get the data, but after adding sudo, exec ("

The newly added Hadoop user in Ubuntu cannot execute commands through sudo. The prompt is hadoopisnotinthesudoersfile... to solve this problem, you only need to switch to another user who can execute sudo and modify the/etc/sudoers file. However, be careful when modifying this file. The default permission is 440, therefore, you need to change the permission. After modifying the file, you must change the per