How do I know if I have CentOS or Ubuntu?

How do I know if I have Ubuntu or CentOS?

So, here are some approaches you can use:

  1. Use /etc/os-release awk -F= ‘/^NAME/{print $2}’ /etc/os-release.
  2. Use the lsb_release tools if available lsb_release -d | awk -F”t” ‘{print $2}’

How do I know if I have Linux or Ubuntu?

Open your terminal either by using the Ctrl+Alt+T keyboard shortcut or by clicking on the terminal icon. Use the lsb_release -a command to display the Ubuntu version. Your Ubuntu version will be shown in the Description line.

How do I know if I have Linux CentOS?

The simplest way to check for the CentOS version number is to execute the cat /etc/centos-release command. Identifying the accurate CentOS version may be required to help you or your support team to troubleshoot your CentOS system.

How do I tell what version of Linux I have?

Open a terminal program (get to a command prompt) and type uname -a. This will give you your kernel version, but might not mention the distribution your running. To find out what distribution of linux your running (Ex. Ubuntu) try lsb_release -a or cat /etc/*release or cat /etc/issue* or cat /proc/version.

How do I know if my OS is Redhat or CentOS?

How do I determine RHEL version?

  1. To determine RHEL version, type: cat /etc/redhat-release.
  2. Execute command to find RHEL version: more /etc/issue.
  3. Show RHEL version using command line, run: …
  4. Another option to get Red Hat Enterprise Linux version: …
  5. RHEL 7.x or above user can use the hostnamectl command to get RHEL version.

How can I tell if I have CentOS or redhat?

How to Check CentOS Version

  1. Check the CentOS/RHEL OS Update Level. The 4 files shown below provides the update version of the CentOS/Redhat OS. /etc/centos-release. …
  2. Check the Running Kernel version. You can find out which CentOS kernel version and architecture you are using with the uname command.

How do I know if Yum is running?

The procedure is as follows to list installed packages:

  1. Open the terminal app.
  2. For remote server log in using the ssh command: ssh user@centos-linux-server-IP-here.
  3. Show information about all installed packages on CentOS, run: sudo yum list installed.
  4. To count all installed packages run: sudo yum list installed | wc -l.

What version of CentOS do I have terminal?

lsb Command to Display Details of CentOS Linux Release

One of the commands available from the command line lsb_release . The output will indicate which OS version you are running. 2. Type in your sudo password to authorize the installation and then press y and Enter to confirm.

Which CentOS version should I use?

Summary. In general the best recommendation is to use the latest and greatest version available, so in this case as of writing RHEL/CentOS 7. This is because it offers a number of improvements and benefits over the older versions which make it a better operating system to work with and manage overall.

How do I find RAM in Linux?

Linux

  1. Open the command line.
  2. Type the following command: grep MemTotal /proc/meminfo.
  3. You should see something similar to the following as output: MemTotal: 4194304 kB.
  4. This is your total available memory.
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