Use the following steps to install the mssql-tools18 on Red Hat Enterprise Linux.

1. Enter superuser mode.

   sudo su

2. Download the Microsoft Red Hat repository configuration file.

   • For Red Hat 8, use the following command:

     curl https://packages.microsoft.com/config/rhel/8/prod.repo > /etc/yum.repos.d/mssql-release.repo

   • For Red Hat 7, use the following command:

     curl https://packages.microsoft.com/config/rhel/7/prod.repo > /etc/yum.repos.d/mssql-release.repo

3. Exit superuser mode.

   exit

4. If you had a previous version of mssql-tools installed, remove any older unixODBC packages.

   sudo yum remove mssql-tools unixODBC-utf16 unixODBC-utf16-devel

5. Run the following commands to install mssql-tools18 with the unixODBC developer package.

   sudo yum install -y mssql-tools18 unixODBC-devel

   [!NOTE]
   To update to the latest version of mssql-tools, run the following commands:

   sudo yum check-update
   sudo yum update mssql-tools18

6. Optional: Add /opt/mssql-tools18/bin/ to your PATH environment variable in a bash shell.

   To make sqlcmd and bcp accessible from the bash shell for login sessions, modify your PATH in the ~/.bash_profile file with the following command:

   echo 'export PATH="$PATH:/opt/mssql-tools18/bin"' >> ~/.bash_profile

   To make sqlcmd and bcp accessible from the bash shell for interactive/non-login sessions, modify the PATH in the ~/.bashrc file with the following command:

   echo 'export PATH="$PATH:/opt/mssql-tools18/bin"' >> ~/.bashrc
   source ~/.bashrc