- Check Openssh Version Centos
- Check Ssh Version Linux
- Check Ssh Version Nmap
- How To Check Ssh Version In Ubuntu
In this article. Applies to Windows Server 2019, Windows 10. OpenSSH is a connectivity tool for remote login that uses the SSH protocol. It encrypts all traffic between client and server to eliminate eavesdropping, connection hijacking, and other attacks. Rebex SSH Check Enter a hostname or IP address below to check the server's SSH capabilities: This free SSH testing tool checks the configuration of given server accessible over internet. The software version of the UniFi Controller that is running on the UDM (UniFi Dream Machine) or UCK (UniFi Cloud Key) models can be upgraded or downgraded using SSH. This feature is especially useful if you want to manually change the software a specific Stable or Beta version. When you install a Linux distribution on your own, you know which distribution and version it is. But if you use SSH to log in to a remote Linux server provided by an enterprise or client, you may wonder which Linux distribution and version it is. The simplest way to check Linux version is to see the content of the /etc/os-release file.
When you install a Linux distribution on your own, you know which distribution and version it is.
But if you use SSH to log in to a remote Linux server provided by an enterprise or client, you may wonder which Linux distribution and version it is.
The simplest way to check Linux version is to see the content of the /etc/os-release file:
It will show an output similar to this:
As you can see, the Linux name is Ubuntu and the version is 20.04.1.
However, that's not the only way to know the Linux distribution details. In this beginner's tip, I'll show you different ways to check which Linux you are running.
Find Linux distribution details
Method 1: Use /etc/os-release file
If you are familiar with the Linux directory structure, you probably already know that /etc directory contains the core configuration files of the system.
The os-release file in the /etc directory keeps the information about the Linux distribution. It gives you the distribution name, distribution version, release name or ID.
You can use cat command to view the content of the file in Linux terminal:
Here's what it displays for Alpine Linux server running on Linode infrastructure.
As you can see, the name of Linux distribution is Alpine Linux and the distribution version is 3.12.
The content of the /etc/os-release is usually different for different distributions. Distributions often use it to provide additional information like where to get support or file bugs etc.
For example, the /etc/os-release provides more lines for CentOS Linux.
However, all of them provide the Linux distribution name and version so it is a pretty reliable way to know which Linux you are running. In fact, it is the most reliable way.
Method 2: Use hostnamectl command
Most Linux distributions these days use systemd. On such a system, you can use the hostnamectl command to get Linux version detail.
For the same CentOS system that you saw above, hostnamectl provides the following details:
You can see the Linux version detail in the line starting with 'Operating System'.
The hostnamectl command is primarily used for dealing with the hostname but if it provides other details why not use it?
Method 3: Use lsb-release command
This is NOT a command that you'll find in all Linux distributions. I think it is mostly used by Debian/Ubuntu based distributions.
You can use the lsb_release command with option -a and it will provide distribution details:
Check Openssh Version Centos
Don't mind the No LSB modules are available line. It's not an error of any kind.
Bonus Tip: Find Linux kernel version
Now that you know which distribution you are running, perhaps you would also like to know about the Linux kernel version running on the system.
You can get the kernel details using the uname command in any Linux distribution.
The output shows only the Linux kernel version:
No prizes for guessing that the above system is running on Linux kernel version 5.4.43.
I hope you find this quick tip helpful in finding Linux version detail. If you have questions or suggestions, please let me know in the comment section.
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