How to Check the Version of Linux?

Check os version in Linux

• Open the terminal application (bash shell)
• For remote server login using the ssh: ssh [email protected]
• Type any one of the following command to find os name and version in Linux: cat /etc/os-release. lsb_release -a. hostnamectl.
• Type the following command to find Linux kernel version: uname -r.

How do I find the RHEL version?

You can see the kernel version by typing uname -r . It’ll be 2.6.something. That is the release version of RHEL, or at least the release of RHEL from which the package supplying /etc/redhat-release was installed. A file like that is probably the closest you can come; you could also look at /etc/lsb-release.

How do I find Java version on Linux?

Procedure

1. Open a Linux command prompt.
2. Enter the command java -version.
3. If Java is installed on your system, you see a Java installed response. Check the version number in the message.
4. If Java is not installed on your system, or the version of Java is earlier than 1.6, use YaST to install a compatible version.