Install mail command on Ubuntu/Debian/LinuxMint sudo apt-get install mailutilsĪfter installing mail command packages in your system, send a test email using the below command.Install mail command on Fedora 22+ and CentOS/RHEL 8 sudo dnf install mailx.Install mail command on CentOS/Redhat 7/6 sudo yum install mailx.For RHEL based systems, this command installed from mailx rpm packages and on Debian based system this command found in mailutils package.Įxecute one the following command based on the operating system: Let’s use one of the below commands to install the mail command as per your operating system. There are many other alternatives to mail command for sending emails from Linux command line interface. NO) this will show you if you do not add sudo. Whereas, RHEL (Redhat) based systems such as CentOS, AlmaLinux, Rocky Linux, Oracle Linux, and others can. sudo apt-get update sudo apt-get install procps. If you are using the Debian or Ubuntu-based systems, then run the given commands to get the ps command-line tool. Most Debian-based systems will show errors like “The program ‘mail’ is currently not installed. In Linux Mint you have to add sudo before run this script: sudo mysqlsecureinstallation. Install ps command tool on Docker container, CentOS, or other Linux. mail command is useful for sending emails from the Linux command line which is used for almost Linux operating systems. I probably did 'chown ec2-user /etc/sudoers' (or, more likely 'chown -R ec2-user /etc' because I was sick of rsync failing), so this is my fault. The build error's out with the line 'groupadd: Command not found' After this happened the first time I added the 'epel' repo and tried installing it manually as you can see in the first RUN instruction. In minimum operating system installation only required packages are installed for running an operating system and skipped unnecessary packages are. sudo: /etc/sudoers is owned by uid 222, should be 0 sudo: no valid sudoers sources found, quitting. With the minimum installation of any Linux operating system, you will not see most of the commands in your system.
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