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Sudo is a very useful tool on the Unix/linux platform that allows system administrators to assign reasonable "rights" to ordinary users to perform tasks that only superuser or other privileged users can accomplish, such as running some commands like MOUNT,HALT,SU. , or edit some system configuration files, such as/etc/mtab,/etc/samba/smb.conf. In this way, it not only reduces the number of login and management time of root users, but also improves the
For example: Run some commands like Mount,halt,su, or edit some system configuration files, such as/etc/mtab,/etc/samba/smb.conf. In this way, it not only reduces the number of login and management time of root users, but also improves the security of the system.I. The characteristics of sudo Sudo's role has doomed it to be extra cautious about security, or it could cause illegal users to grab root. At the same time, it also needs to take into accoun
Sudo command: if you use a Linux Command, the following error occurs: sudolinux Have you ever received the "Permission denied" error message when running Linux commands? This may be because you are trying to perform an operation that requires the root permission. For example, the following shows the errors that occur when I try to copy a binary file to a system directory. Shell Access Denied How can this problem be solved? Simple: Use the
The so-called system reinforcement is to use manual configuration and related software to improve system security. This article describes how to use the open-source software sudo to control and audit Root permissions to reinforce Linux system security. I. sudo is an open-source security tool. The most common function of Sudo is to reinforce the system by using ma
In the previous two sections, we introduced the basic knowledge of users and user groups and how to manage users and user groups. Next let's take a look at other user-related commands.Finger tool for viewing user informationChfn tool for changing user informationId: view the UID, GID, and user group of the user.Su User Switching ToolSudo uses another user to execute commands (execute a command as another user), su is used to switch users, and then the user to complete the corresponding tasks, ho
Sudo originated in the early 1980s s and was developed by the State University of New York in Buffalo, followed by the University of Colorado for in-depth development. Website: http://www.gratisoft.us/sudo/ Sudo is a tool that allows the system administrator to allow common users to execute some or all of the root commands, such as halt, reboot, and Su. This no
The usage of the sudo command in Linux indicates the developer's online builder.com.cn Update Time: 2007-11-27Author: zsw00001 Source: CCID technical community Keyword: usage sudo Linux How to Use the sudo command in Linux (-@ gehdK3 (TKsOriginal address: http://www.gz-benet.com.cn/bbs/Show.Asp? Id = 4268 Q "] F3 ?. ". ^ 9flI2jcr,K ^ "J-S _'"
To put it simply, sudo is a privilege management mechanism that allows administrators to authorize some ordinary users to perform some root operations without needing to know the root password.To be precise, sudo allows an authorized user to run a command in the role of a superuser or another user. Of course, what you can and cannot do is specified by security policy. s
"Sudo" is a very useful tool on the Unix/linux platform that allows system administrators to assign some reasonable "rights" to ordinary users to perform tasks that only superuser or other privileged users can accomplish, such as running some commands like MOUNT,HALT,SU. , or edit some system configuration files, such as/etc/mtab,/etc/samba/smb.conf. This has not only reduced the number of logins and administrative time of the root user, but also impr
Transferred from: http://www.cnblogs.com/xiaochaohuashengmi/archive/2011/11/11/2245341.html"Sudo" is a very useful tool on the Unix/linux platform that allows system administrators to assign some reasonable "rights" to ordinary users to perform tasks that only superuser or other privileged users can accomplish, such as running some commands like MOUNT,HALT,SU. , or edit some system configuration files, such as/etc/mtab,/etc/samba/smb.conf. This has no
"Sudo" is a very useful tool on the Unix/linux platform that allows system administrators to assign some reasonable "rights" to ordinary users to perform tasks that only superuser or other privileged users can accomplish, such as running some commands like MOUNT,HALT,SU. , or edit some system configuration files, such as/etc/mtab,/etc/samba/smb.conf. This has not only reduced the number of logins and administrative time of the root user, but also impr
= 505 (linuxsir) gid = 502 (linuxsir) groups = 0 (Root), 500 (beinan), 502 (linuxsir)[Linuxsir @ localhost ~] $ [Beinan @ localhost ~] $ Su--C ls Note: This is a combination of Su parameters, indicating that the system switches to the root user and changes to the root environment. Then, it lists the files in the root directory and exits the root user;Password: Enter the root password here;Anaconda-ks.cfg desktop install. Log install. log. syslog testgroup testgroupbeinan testgrouproot[Beinan @
sudo 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.sudo configuration file/etc/sudoers, which is in the foll
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 reduces the login and management time of the root user, but also improves the security. Sudo is not a substitute for she
Did you ever get an "access Denied (Permission denied)" error when using the Linux command line? This may be because you are trying to perform an operation that requires root permissions. For example, the following shows an error that occurs when I try to copy a binary file into a system directory.Shell denial of accessSo how do you solve this error? Very simple, use the sudo command.Run the command with sudoUsers are prompted to enter their (own) log
Sudo is a command that manages everything. It literally means "Super Users can do it !" (Super user do !) For Linux system administrators or advanced users, it is one of the most important and essential commands. You have had this experience: when you try to run a command on a terminal, but the result is "Access Denied "? This is the command you need! But the bigger the power, the greater the responsibility! Sudo
Summary: When you do permissions on Linux, you often get the problem: 1 Why installing the software requires sudo before apt-get. Just installed, run again apt-get but no need to add sudo in front. 2 Why it is sometimes shown that the user is isn't in the sudoers when running sudo command. 3 What is the difference between Su and
Differences between Linux su and sudo commandsI. Use the su command to temporarily switch user identities 1. Conditions and power of su The su command is a tool for switching users. How can this problem be solved? For example, if we log on as a normal user beinan, but want to add a user task and execute useradd, The beinan user does not have this permission, and this permission is exactly owned by the root user. There are two solutions. One is to log
Introduced sudo is a Linux system Management Directive, a tool that allows a system administrator to allow ordinary users to perform some or all of the root commands, such as HALT,REBOOT,SU, and so on. This not only reduces the time to log in and manage the root user, but also improves security. sudo is not a substitute for the shell, it is oriented to each command. s
Tags: command su sudo3.7 su command :su Command is used to switch users, for example I want to switch from root user to user2 User: 650) this.width=650; "src=" Https://s4.51cto.com/wyfs02/M01/A7/18/wKioL1ngeKGz1MzHAAEc5cC8kHA232.png "style=" float : none; "title=" linux su command, sudo command and limit root telnet 96.png "alt=" Wkiol1ngekgz1mzhaaec5cc8kha232.png "/>This - option is to completely switch user's meaning, if not add - option also can
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