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HomeOperation and MaintenanceCentOSHow to upgrade CentOS to the latest version CentOS7.4

How to upgrade CentOS to the latest version CentOS7.4

How to upgrade CentOS to the latest version CentOS7.4?

Recently, the latest version of CentOS 7.4 was released. All users of CentOS 7.0, 7.1 and 7.2 can upgrade their systems to the latest version.

This quick guide will explain the steps you need to take to update CentOS or upgrade CentOS to the latest version.

Use the "Update" option to upgrade all CentOS system software to the latest version in just one operation.

Please note that "-y" is not recommended for yum operations. Of course, you have some time to review the packages you want to install on your system before allowing yum to proceed, by using "yum update".

In earlier versions of CentOS, we needed to restore all programs and data, but now with CentOS 7, we can upgrade directly, that is, unexpected situations are still possible, so before the upgrade process Make a data backup.

Tutorial on upgrading CentOS to the latest version CentOS7.4

1. Check your CentOS version.

# cat /etc/redhat-release
CentOS Linux release 7.1.1503 (Core)

2. Back up important data and directories (for example: /etc, /var, /opt)

I recommend, For VMware virtual machines, take a good VMware snapshot or run a full backup of the operating system and data. (MySQL, Apache, NGINX, DNS, etc.), you can view the tutorial on how to back up data on this site.

3. Use yum to update and upgrade.

# yum clean all
# yum update

4. Restart the server using the following command.

# reboot

5. Confirm that your system has been successfully upgraded

# cat /etc/redhat-release
CentOS Linux release 7.4.1611 (Core)

I hope this article has provided you with some information on how to update CentOS or upgrade CentOS operating system ideas and basic guidance.

How to upgrade CentOS to the latest version CentOS7.4

Note: Check your system to make sure it is running properly and verify each service installed before upgrading.

Related recommendations: centOS tutorial

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