dockerfile.run

telnet

Connect to a specified port of a host using the telnet protocol. More information: <https://manned.org/telnet>.

Debian

RUN apt-get update && \
    apt-get install -y telnet

Ubuntu

RUN apt-get update && \
    apt-get install -y telnet

Arch Linux

RUN pacman -S --noconfirm telnet-1

Kali Linux

RUN apt-get update && \
    apt-get install -y telnet

CentOS

RUN yum install -y telnet-1

Fedora

RUN dnf install -y telnet-1

Raspbian

RUN apt-get update && \
    apt-get install -y telnet

click the source code to copy install telnet on any operating system with command-not-found.com