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Note that if you are running earlier version of MariaDB the recommended course of upgrading is by going through each version. For example MariaDB 5.1 -> 5.5 -> 10.1.

Step 1: Backup or Dump All MariaDB Databases
As always when performing an upgrade creating backup of your existing databases is important. You can either dump the databases with command such: Or alternatively, you can stop the MariaDB service with: Note: in some cases we prefer to stop MariaDB first.

And copy the databases directory in a separate folder like this: In case of failure of the upgrade you can use one of the above copies to restore your databases.

Step 2: Add the MariaDB Repository
A good practice is to make sure your packages are up to date before making any changes to your repo files. You can do this with: On RHEL/CentOS 7
if you have any old packages, wait for the installation to finish. Next, you will need to add the MariaDB 10.1 repo for CentOS/RHEL 7/ distributions. To do this, use your favorite text editor such as vim or nano and open the following file: Add the following text in it: Then save and exit the file (for vim :wq)

On Debian and Ubuntu
Run the following series of commands to add the MariaDB PPA on your system: Important: Don’t forget to replace the ubuntu wily with your distribution name and release.

Step 3: Remove MariaDB 5
If you have taken backup of your databases as suggested in Step 1, you are now ready to proceed and remove the existing MariaDB installation.

To do this, simply run the following command:

Next, clean the repository cache: Step 4: Installing MariaDB 10.1

Now it’s time to install the newer version of MariaDB, by using:


Once the installation is complete, you can start the MariaDB service with:
If you want MariaDB to automatically start after system boot, run:
Finally run the upgrade command to upgrade MariaDB with:


To verify that the upgrade was successful, run the following command:


MariaDB/MySQL upgrades are always tasks that should be performed with extra caution. I hope yours completed smoothly. If you encounter any issues, please do not hesitate to ask question.

This will work in most cases, thanks for tutorial

I think is better create more topics or separate information in diferent replys, will be more clean and prevent confused users run comands in wrong system

So one tread to mariadb upgrade, and orther one for mysql, and then separete in replys information for centos and debian.

But this is only a idea.

Postfix is deleted? At least that is shown on screenshots.

pabbae wrote:Postfix is deleted? At least that is shown on screenshots.

Yes, someone posted this in the comments of the original article, and there is a solution there:
https://www.tecmint.com/upgrade-mariadb ... an-ubuntu/

Another question please. Where it says "Don’t forget to replace the ubuntu wily with your distribution name and release", where to I find the distribution name and release?

How can we get from mysql to mariadb?

Nou4r wrote:How can we get from mysql to mariadb?

What do you mean?

After upgrade the mariadb, /etc/my.cnf was reset to a empty file, so i tried to add previous setting to it, but it cannot start if i adding following setting to [mysqld]:
pid-file=/var/run/mysqld/mysqld.pid
socket=/var/run/mysqld/mysqld.sock

Easy way to update MariaDB from version 5.5.x to 10.x on Centos 7 :

1. stop web server 2. dump all databases (recommended) 3. stop MariaDB server 4. backup databases directory (recommended)
cp -a /var/lib/mysql/ /var/lib/mysql.bak

5. add MariaDB 10.x repo for latest stable, see - https://downloads.mariadb.org/mariadb/r ... rsion=10.4 (for 10.4, but you can choose your version) and paste repo info 6. run "yum update" for update all packages or just for MariaDB yum will ask you for GPG key, accept it and upgrade MariaDB from 5.5.x to 10.x

7. enable MariaDB service 8. start MariDB 9. check databases 10. start web server 11. check all sites that use database, if no errors or problems - delete backups.

It take for me 5 min and no postfix dependency issue, i think that it is the easiest way.

Stay updated, good luck!

Lordbl4 wrote: ↑

Tue Jun 23, 2020 7:56 am

Easy way to update MariaDB from version 5.5.x to 10.x on Centos 7 :

1. stop web server

Code: Select all

servece nginx stop
service httpd stop

2. dump all databases (recommended)

Code: Select all

mysqldump -u root -ppassword --all-databases > /root/all-database.sql

3. stop MariaDB server

Code: Select all

service mariadb stop

4. backup databases directory (recommended)
cp -a /var/lib/mysql/ /var/lib/mysql.bak

5. add MariaDB 10.x repo for latest stable, see - https://downloads.mariadb.org/mariadb/r ... rsion=10.4 (for 10.4, but you can choose your version)

Code: Select all

nano /etc/yum.repos.d/MariaDB10.repo

and paste repo info

Code: Select all

# MariaDB 10.4 CentOS repository list - created 2020-06-23 05:55 UTC
# http://downloads.mariadb.org/mariadb/repositories/
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.4/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

6. run "yum update" for update all packages

Code: Select all

yum update

or just for MariaDB

Code: Select all

yum upgrade maria*

yum will ask you for GPG key, accept it and upgrade MariaDB from 5.5.x to 10.x

7. enable MariaDB service

Code: Select all

systemctl enable mariadb

8. start MariDB

Code: Select all

service mariadb start

9. check databases

Code: Select all

mysql_upgrade

10. start web server

Code: Select all

servece httpd start
service nginx start

11. check all sites that use database, if no errors or problems - delete backups.

It take for me 5 min and no postfix dependency issue, i think that it is the easiest way.

Stay updated, good luck!

When I run the "service nginx start" command after step 10, I get the following error: failed to start nginx...

lookout wrote: ↑

Fri Jul 03, 2020 4:54 pm

When I run the "service nginx start" command after step 10, I get the following error: failed to start nginx...

Check nginx errors and then fix it. This is not related to MariaDB.
And actually, not need to stop web servers.