root@cClient:/]#telnet cMaster 44444 bash: telnet: command not found -----------解决办法------------ 解决方法: 安装telnet服务 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 解决如下： root@cClient:/]#yum install telnet ------------------------日志----------------------- root@cClient:/]#yum install telnet Loaded plugins: fastestmirror, refresh-packagekit, security Loading mirror speeds from cached hostfile Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package telnet.x86_64 1:0.17-48.el6 will be installed --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: telnet x86_64 1:0.17-48.el6 base 58 k Transaction Summary ================================================================================ Install 1 Package(s) Total download size: 58 k Installed size: 109 k Is this ok [y/N]: y Downloading Packages: telnet-0.17-48.el6.x86_64.rpm | 58 kB 00:00 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running 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!