# yum install telnet Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Resolving Dependencies --> Running transaction check ---> Package telnet.x86_64 1:0.17-64.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved ============================================================================================================================================================================== Package Arch Version Repository Size ============================================================================================================================================================================== Installing: telnet x86_64 1:0.17-64.el7 base 64 k Transaction Summary ============================================================================================================================================================================== Install 1 Package Total download size: 64 k Installed size: 113 k Is this ok [y/d/N]: y Downloading packages: telnet-0.17-64.el7.x86_64.rpm | 64 kB 00:00:09 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : 1:telnet-0.17-64.el7.x86_64 1/1 Verifying : 1:telnet-0.17-64.el7.x86_64 1/1 Installed: telnet.x86_64 1:0.17-64.el7
原文：https://www.cnblogs.com/leoshi/p/12316354.html