sudo proxy

Deep understanding of sudo, [Root @ cairui ~] # Cat/etc/sudoers # Sudoers allows special users to run varous commands as # the root user, without needing the root password. # sudoers allows specific users to execute various commands as rot without the root password. #### Examples are provided at the bottom of the file for collections ## of related commands, which can then be delegated out to particle # users or groups. #### This file must be edited wi

1. what is sudosudo is a linux system Management Command. it is a tool that allows the system administrator to allow common users to execute some or all of the root commands, such as halt, reboo, and su. Using sudo not only reduces the logon and management time of the root user, but also improves security. sudo is not... 1. what is sudo?

Generally, we do not log on as root, but we need to use root permission when executing some commands. We usually use "sudo command" to execute commands. Because ubuntu is used, sudo is often used, and when sudo is used, a password is required, so I am looking for a method that does not enter a password for sudo. A few

The Linux sudo command and its configuration file/etc/sudoers will know a bit more about the sudo command about Linux. The core idea of the sudo command is the empowerment of a command that belongs to the user who is not yourself and you have permission to execute it. However, it is important to note that although you have permission to execute this command, it i

#定义代理缓存路径, cache file save path cache initial size and maximum cache time Proxy_cache_path d:\code\cache levels=1:2 keys_z max_size=20m inactive=1m; Location/{ #配置上面定义的keys_zone的值Proxy_cache cache1; #配置url中包括哪个参数的时候不去缓存中查询Proxy_cache_bypass $arg _name; #定义缓存的keyProxy_cache_key $host $uri$is_args$args; #缓存时间, if there is cache-control in the header information in response, the cache time in the header will prevail.Proxy_cache_valid 2m; #当缓存失效后回源出错的时候可以使用缓存中旧数据, the old is better than wron

"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

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