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Linux centos 运行telnet命令，出现下面的错误提示：
[root@localhost ~]# telnet 127.0.0.1-bash: telnet: command not found
centos、ubuntu安装telnet命令的方法.
yum list telnet* 列出telnet相关的安装包 yum install telnet-server 安装telnet服务 yum install telnet.* 安装telnet客户端
[root@localhost ~]# yum list telnet* Loaded plugins: fastestmirror, refresh-packagekit, securityLoading mirror speeds from cached hostfile * base: mirrors.cn99.com * extras: mirrors.shu.edu.cn * updates: mirrors.cn99.comAvailable Packagestelnet.x86_64 1:0.17-48.el6 basetelnet-server.x86_64 1:0.17-48.el6 base
[root@localhost ~]# yum install telnet-serverLoaded plugins: fastestmirror, refresh-packagekit, securityLoading mirror speeds from cached hostfile * base: mirrors.cn99.com * extras: mirrors.shu.edu.cn * updates: mirrors.cn99.comSetting up Install ProcessResolving Dependencies--> Running transaction check---> Package telnet-server.x86_64 1:0.17-48.el6 will be installed--> Finished Dependency ResolutionDependencies Resolved================================================================================ Package Arch Version Repository Size================================================================================Installing: telnet-server x86_64 1:0.17-48.el6 base 37 kTransaction Summary================================================================================Install 1 Package(s)Total download size: 37 kInstalled size: 54 kIs this ok [y/N]: yDownloading Packages:telnet-server-0.17-48.el6.x86_64.rpm | 37 kB 00:00 Running rpm_check_debugRunning Transaction TestTransaction Test SucceededRunning TransactionWarning: RPMDB altered outside of yum. Installing : 1:telnet-server-0.17-48.el6.x86_64 1/1 Verifying : 1:telnet-server-0.17-48.el6.x86_64 1/1 Installed: telnet-server.x86_64 1:0.17-48.el6 Complete![root@localhost ~]#
[root@localhost ~]# yum install telnet.*Loaded plugins: fastestmirror, refresh-packagekit, securityLoading mirror speeds from cached hostfile * base: mirrors.cn99.com * extras: mirrors.shu.edu.cn * updates: mirrors.cn99.comSetting up Install ProcessResolving Dependencies--> Running transaction check---> Package telnet.x86_64 1:0.17-48.el6 will be installed--> Finished Dependency ResolutionDependencies Resolved====================================================================================================== Package Arch Version Repository Size======================================================================================================Installing: telnet x86_64 1:0.17-48.el6 base 58 kTransaction Summary======================================================================================================Install 1 Package(s)Total download size: 58 kInstalled size: 109 kIs this ok [y/N]: yDownloading Packages:telnet-0.17-48.el6.x86_64.rpm | 58 kB 00:00 Running rpm_check_debugRunning Transaction TestTransaction Test SucceededRunning Transaction Installing : 1:telnet-0.17-48.el6.x86_64 1/1 Verifying : 1:telnet-0.17-48.el6.x86_64 1/1 Installed: telnet.x86_64 1:0.17-48.el6 Complete![root@localhost ~]#
在linux/unix下使用telnet（telnet ip 端口号）连接主机时提示“Escape character is '^]'.”，这是什么意思？如何解决？
“^”是Ctrl键的意思！
1、这个提示的意思是按Ctrl + ]会呼出telnet的命令行！ 2、telnet命令行出来后，就可以执行telnet命令了；3、退出telnet命令行的名为quit。
实例演示[root@aliyunbaike ~]# telnet 47.95.88.99 80
Trying 47.95.88.99... Connected to 47.95.88.99. Escape character is '^]'. ^] telnet> //"telnet>"代表进入了telnet命令行窗口常用的telnet命令
close关闭当前连接
logout强制退出远程用户并关闭连接 display显示当前操作的参数 mode试图进入命令行方式或字符方式 open连接到某一站点 quit退出 telnetsend发送特殊字符 set设置当前操作的参数 unset复位当前操作参数 status打印状态信息 toggle对操作参数进行开关转换 slc改变特殊字符的状态 auth打开/关闭确认功能z挂起 telnetenviron更改环境变量?显示帮助信息综上，Escape character is '^]'.只是一个提示，提示你使用Ctrl键+]键可以呼出telnet的命令行。
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