telnet 127.0.0.1 2181
-bash: telnet: command not found
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
[root@192 bin]# yum list telnet*
Loaded plugins: fastestmirror
Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast
Determining fastest mirrors
* base: mirrors.huaweicloud.com
* extras: mirrors.bfsu.edu.cn
* updates: mirrors.bfsu.edu.cn
Available Packages
telnet.x86_64 1:0.17-64.el7 base
telnet-server.x86_64 1:0.17-64.el7 base
[root@192 bin]# yum install telnet-server
Loaded plugins: fastestmirror
Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast
base | 3.6 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
(1/4): base/7/x86_64/group_gz | 153 kB 00:00:00
(2/4): extras/7/x86_64/primary_db | 194 kB 00:00:00
(3/4): updates/7/x86_64/primary_db | 3.0 MB 00:00:04
(4/4): base/7/x86_64/primary_db | 6.1 MB 00:00:06
Loading mirror speeds from cached hostfile
* base: mirrors.huaweicloud.com
* extras: mirrors.bfsu.edu.cn
* updates: mirrors.bfsu.edu.cn
Resolving Dependencies
--> Running transaction check
---> Package telnet-server.x86_64 1:0.17-65.el7_8 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
============================================================================================================================================================================
Package Arch Version Repository Size
============================================================================================================================================================================
Installing:
telnet-server x86_64 1:0.17-65.el7_8 updates 41 k
Transaction Summary
============================================================================================================================================================================
Install 1 Package
Total download size: 41 k
Installed size: 55 k
Is this ok [y/d/N]: y
Downloading packages:
telnet-server-0.17-65.el7_8.x86_64.rpm | 41 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : 1:telnet-server-0.17-65.el7_8.x86_64 1/1
Verifying : 1:telnet-server-0.17-65.el7_8.x86_64 1/1
Installed:
telnet-server.x86_64 1:0.17-65.el7_8
Complete!
[root@192 bin]# yum install telnet.*
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.huaweicloud.com
* extras: mirrors.bfsu.edu.cn
* updates: mirrors.bfsu.edu.cn
Resolving Dependencies
--> Running transaction check
---> Package telnet.x86_64 1:0.17-65.el7_8 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
============================================================================================================================================================================
Package Arch Version Repository Size
============================================================================================================================================================================
Installing:
telnet x86_64 1:0.17-65.el7_8 updates 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-0.17-65.el7_8.x86_64.rpm | 64 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : 1:telnet-0.17-65.el7_8.x86_64 1/1
Verifying : 1:telnet-0.17-65.el7_8.x86_64 1/1
Installed:
telnet.x86_64 1:0.17-65.el7_8
Complete!
[root@192 bin]#