How to Fix “-bash: telnet: command not found”

Telnet is a communication protocol that enables two computers or servers to communicate with each other over the network. It is used to establish a connection between two computers, allowing them to exchange data and commands. Telnet is used in many different applications and scenarios, from remote access to file transfer.

Telnet is a great tool for system administrators, developers, and other tech professionals who need to access remote systems. When you want to run telnet command in linux operating system, but received “command not found” error, that’s mean the utility still not installed.

# telnet
-bash: telnet: command not found

Run the following command to install telnet in Rocky linux 7, Oracle linux 7, RHEL 7.

# yum install telnet -y

Run the following command to install telnet in Rocky linux 8, Oracle linux 8, RHEL 8.

# dnf install telnet -y

Example :

[root@rockylinux8 ~]# dnf install telnet
Last metadata expiration check: 0:38:34 ago on Sat 07 Jan 2023 05:03:15 PM +08.
Dependencies resolved.
 Package               Architecture          Version                       Repository                Size
 telnet                x86_64                1:0.17-76.el8                 appstream                 71 k

Transaction Summary
Install  1 Package

Total download size: 71 k
Installed size: 119 k
Is this ok [y/N]: y
Downloading Packages:
telnet-0.17-76.el8.x86_64.rpm                                             181 kB/s |  71 kB     00:00
Total                                                                      53 kB/s |  71 kB     00:01
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                  1/1
  Installing       : telnet-1:0.17-76.el8.x86_64                                                      1/1
  Running scriptlet: telnet-1:0.17-76.el8.x86_64                                                      1/1
  Verifying        : telnet-1:0.17-76.el8.x86_64                                                      1/1



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