How to Install phpMyAdmin with Nginx (LEMP) on Ubuntu 20.04 LTS

This tutorial will be showing you how to install phpMyAdmin with Nginx, MariaDB and PHP7.4 (LEMP) on Ubuntu 20.04. phpMyAdmin is a free and open-source web-based database management tool written in PHP. It provides a graphical web interface for users to manage MySQL or MariaDB database.

phpMyAdmin allows administrators to:

  • browse through databases and tables;
  • create, copy, rename, alter and drop databases;
  • create, copy, rename, alter and drop tables;
  • perform table maintenance;
  • add, edit and drop fields;
  • execute any SQL-statement, even multiple queries;
  • create, alter and drop indexes;
  • load text files into tables;
  • create and read dumps of tables or databases;
  • export data to SQL, CSV, XML, Word, Excel, PDF and LaTeX formats;
  • administer multiple servers;
  • manage MySQL users and privileges;
  • check server settings and runtime information with configuration hints;
  • check referential integrity in MyISAM tables;
  • create complex queries using Query-by-example (QBE), automatically
  • connecting required tables;
  • create PDF graphics of database layout;
  • search globally in a database or a subset of it;
  • transform stored data into any format using a set of predefined functions, such as displaying BLOB-data as image or download-link;
  • manage InnoDB tables and foreign keys;


To follow this tutorial, you need to have an Ubuntu 20.04 OS running on your local computer or on a remote server.

If you are looking for a VPS (Virtual Private Server), then you can click this special link to get $100 free credit on DigitalOcean. (For new users only). If you are already a DigitalOcean user, then you can click this special link to get $50 free credit on Vultr (for new users only).

It is assumed that you have already installed LEMP stack on Ubuntu 20.04. If not, please check out the following tutorial.

With that out of the way, let’s get started with installing phpMyAdmin.

Step 1: Download and Install phpMyAdmin on Ubuntu 20.04

phpMyAdmin is included in Ubuntu 20.04 software repository, so we can easily install it with the following command.

sudo apt update
sudo apt install phpmyadmin

The above command will install all necessary dependencies including PHP7 extensions. During the installation, it will ask if you want to use dbconfig-common to configure the database. Press Tab key to select Yes.


This will also create a new database user named phpmyadmin. Give this user a password.


Next, it will prompt you to select a web server to configure. Nginx isn’t on the list, so press the Tab key and hit OK to skip this step.


Once done, a new database named phpmyadmin is created and the database user phpmyadmin has necessary privileges to manage this database. If you are curious as I am, you can log into MariaDB and check what privileges phpmyadmin user has been granted.

You can use the following command to log into MariaDB server.

sudo mysql -u root

Then check the privileges.

show grants for phpmyadmin@localhost;


phpmyadmin database configuration

As you can see, user phpmyadmin has all privileges on database phpmyadmin. Now you can exit by executing:


Step 2: Create Nginx Server Block for phpMyAdmin

To be able to access the phpMyAdmin web interface, we need to create a Nginx server block by running the following command.

sudo nano /etc/nginx/conf.d/phpmyadmin.conf

We will configure it so that we can access phpMyAdmin via a sub-domain. Paste the following text into the file. Replace with your actual sub-domain and don’t forget to create DNS A record for it.

server {
  listen 80;
  listen [::]:80;
  root /usr/share/phpmyadmin/;
  index index.php index.html index.htm index.nginx-debian.html;

  access_log /var/log/nginx/phpmyadmin_access.log;
  error_log /var/log/nginx/phpmyadmin_error.log;

  location / {
    try_files $uri $uri/ /index.php;

  location ~ ^/(doc|sql|setup)/ {
    deny all;

  location ~ \.php$ {
    fastcgi_pass unix:/run/php/php7.4-fpm.sock;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    include fastcgi_params;
    include snippets/fastcgi-php.conf;

  location ~ /\.ht {
    deny all;

Your phpMyAdmin files are in /usr/share/phpmyadmin/ directory. Save and close the file. Then test Nginx configurations.

sudo nginx -t

If the test is successful, reload Nginx for the changes to take effect.

sudo systemctl reload nginx

Now you should be able to access phpMyAdmin web interface via


Step 3: Installing TLS Certificate

To secure the phpMyadmin web interface, we can install a free Let’s Encrypt TLS certificate. Install the Let’s Encrypt client from Ubuntu 20.04 software repository like below:

sudo apt install certbot python3-certbot-nginx

Python3-certbot-nginx is the Nginx plugin for Certbot. Now run the following command to obtain and install TLS certificate.

sudo certbot --nginx --agree-tos --redirect --hsts --staple-ocsp -d --email [email protected]


  • –nginx: Use the Nginx authenticator and installer
  • –agree-tos: Agree to Let’s Encrypt terms of service
  • –redirect: Enforce HTTPS by 301 redirect.
  • –hsts: Add the Strict-Transport-Security header to every HTTP response.
  • –staple-ocsp: Enables OCSP Stapling.
  • –must-staple: Adds the OCSP Must Staple extension to the certificate.
  • -d flag is followed by a list of domain names, separated by a comma. You can add up to 100 domain names.
  • –email: Email used for registration and recovery contact.

You will be asked if you want to receive emails from EFF(Electronic Frontier Foundation). After choosing Y or N, your TLS certificate will be automatically obtained and configured for you, which is indicated by the message below.


Step 4: Test Your TLS Certificate

Go to to test your TLS certificate and configuration. You should get A+ because HSTS is enabled.

secure phpmyadmin with https

Step 5: Troubleshoot phpMyAdmin Login Error

If you login with MariaDB root account, you may see the following error.

 #1698 - Access denied for user 'root '@'localhost'


mysqli_real_connect(): (HY000/1698): Access denied for user 'root '@'localhost'

If you login with user phpmyadmin, you won’t see the above error. However, user phpmyadmin can only be used to administer the phpmyadmin database. The cause of the error is that by default MariDB root user is authenticated via the unix_socket plugin, instead of using the mysql_native_password plugin. To get around this issue, we can create another admin user and grant all privileges to the new admin user.

Log into MariaDB server from the command line.

sudo mariadb -u root

Create an admin user with password authentication.

create user admin@localhost identified by 'your-chosen-password';

Grant all privileges on all databases.

grant all privileges on *.* to admin@localhost with grant option;

Flush privileges and exit;

flush privileges;


Now you can log into phpMyAdmin with the admin account and manage all databases.

TLS Certificate Auto-Renewal

To automatically renew Let’s Encrypt certificate, simply edit root user’s crontab file.

sudo crontab -e

Then add the following line at the bottom.

@daily certbot renew --quiet && systemctl reload nginx

Reloading Nginx is needed for it to pick up the new certificate to clients.

Use Webmin to Manage MySQL/MariaDB Databases

Webmin is a general Linux server admin panel. It also allows you to manage MySQL/MariaDB databases from a graphical user interface, although it’s not as feature-rich as phpMyAdmin when it comes to database management.

  • Create databases
  • Create database users
  • Grant permissions to database users.

How to Install Webmin on Ubuntu Server

Wrapping Up

I hope this tutorial helped you install phpMyAdmin with Nginx on Ubuntu 20.04 LTS. As always, if you found this post useful, then subscribe to our free newsletter to get more tips and tricks. Take care:)

Rate this tutorial
[Total: 9 Average: 4.9]

11 Responses to “How to Install phpMyAdmin with Nginx (LEMP) on Ubuntu 20.04 LTS

  • Hi,
    Thanks for your hared work; nonetheless I followed every step with caution and however the database works, I have access to it, phpmyadmin installed, still I am getting error trying to load my page. I have very little knowledge of this topic, but it looks like nginx is not loading stuff from the right location.
    Would anyone mind to help and troubleshoot, pls?
    I am trying to set up another server for my current domain, which is live, so I can keep developing my web site under Joomla without braking some functionality, and then later I would like to transfer it on this newer HW.

  • @Zdenek ~ My sympathies. I’ve been doing this only a few years myself so I remember well having lots of issues I didn’t understand.

    What error are you getting?

    The tutorial work perfectly for me, by the way. Much appreciated! Only one small ‘issue’ I noticed: During PhpMyAdmin install, the screens came in a different order (“Configuring phpmyadmin”) came first.

    • Just remembered something that may help: I had a problem on my server because somewhere along the line Apache got installed (maybe with MariaDB?) and it was already listening to port 80… so Nginx could not.

      To remove it, I did something like what you find here:

      (Seems like a piece of it showed up next time I did an apt upgrade, but the message from apt was clear, and I just did what it suggested to get rid of the rest…. like one package lingering.)

  • Much appreciate the tutorial, but one small issue: putting phpmyadmin’s server block in conf.d seems to result in it loading in browsers whenever just about anything is wrong with any other server block on the site. For example, point a new domain to the server in DNS when you don’t yet have the server block for that domain working properly, and it’ll bring up phpmyadmin. Seems like a lot of exposure, though I’ve a ridiculously strong password on it.
    Maybe all that’s needed is another serverblock in config.d that points to a default index.html saying “oops” or something like that?

  • aharown
    3 years ago

    Just discovered that the certbot renew has not been working. Failing http-01 challenges. So… something is not quite right. If I figure out what, will post here.

  • hello, thank you for this tutorial. very used in my case but I have a little problem. I can’t go to I have a 502 bad gateway error.
    can someone help me please?

  • Another great tutorial! Thanks.
    What if we want to install phpMyAdmin in a subdirectory (rather than subdomain) on Ubuntu with WordPress installed

  • Fred Lackey
    2 years ago

    You stressed that phpMyAdmin was not secure and then installed the SSL certificate. However, you never went back to add 443 for phpMyAdmin.

    • Xiao Guoan (Admin)
      2 years ago

      I didn’t do it because it was automatically done by certbot. Very cool, isn’t it?

      • Fred Lackey
        2 years ago

        Nooo… really? Oh, man, now that would be cool. I need to go play with this. 🙂

Leave a Comment

  • Comments with links are moderated by admin before published.
  • Your email address will not be published.
  • Use <pre> ... </pre> HTML tag to quote the output from your terminal/console.
  • Please use the community ( for questions unrelated to this article.
  • I don't have time to answer every question. Making a donation would incentivize me to spend more time answering questions.

The maximum upload file size: 2 MB. You can upload: image. Links to YouTube, Facebook, Twitter and other services inserted in the comment text will be automatically embedded. Drop file here