Install Memgraph on Ubuntu
Install and run Memgraph on:
- Ubuntu 20.04
- Ubuntu 22.04
- Ubuntu 24.04
Newer versions of Memgraph might not be backward compatible with older versions and you might not be able to load storage snapshots between different versions. In that case, please contact the Memgraph team and we'll help with the migration as much as possible.
Installation guide
Download Memgraph Ubuntu Package
Downloaded the latest Memgraph Ubuntu Package from the Memgraph Download Hub (opens in a new tab).
You can also use direct download links to get the latest Memgraph packages.
For example:
sudo wget https://download.memgraph.com/memgraph/v2.22-0/ubuntu-22.04/memgraph_2.22.0-1_amd64.deb
For the latest version of Memgraph, replace the version in the download command with the one from the direct download links page.
Install Memgraph
After downloading Memgraph as an Ubuntu package, install it by running the following:
sudo dpkg -i /path-to/memgraph_<version>.deb
Why use sudo?
In order to perform some actions on your operating system like installing new software, you may need superuser privileges (commonly called root).
Troubleshooting
Unable to install the Memgraph package with dpkg
While running the following dpkg
command:
dpkg -i /path-to/memgraph_<version>.deb
you may encounter errors that resemble the following:
dpkg: error processing package memgraph (--install): dependency problems -
leaving unconfigured Errors were encountered while processing: memgraph
These errors indicate that you don’t have all of the necessary dependencies installed. To install the missing dependencies and finish the installation, issue the following command:
sudo apt-get install -f
Verify that Memgraph is running
To verify that Memgraph is running, run the following:
sudo journalctl --unit memgraph
If successful, you should receive an output similar to the following:
You are running Memgraph vX.X.X
If the Memgraph database instance is not running, you can start it explicitly:
sudo systemctl start memgraph
If you want the Memgraph database instance to start automatically on each startup, run the following command:
systemctl enable memgraph
You can also check the status of the Memgraph database instance by running:
sudo systemctl status memgraph
Troubleshooting
When you start a Memgraph instance, you may see the following list of notes in your terminal:
You are running Memgraph v1.4.0-community
NOTE: Please install networkx to be able to use graph_analyzer module. Using Python:
3.8.2 (default, Jul 16 2020, 14:00:26)
[GCC 9.3.0]
NOTE: Please install networkx to be able to use Memgraph NetworkX wrappers. Using Python:
3.8.2 (default, Jul 16 2020, 14:00:26)
[GCC 9.3.0]
NOTE: Please install networkx, numpy, scipy to be able to use proxied NetworkX algorithms. E.g., CALL nxalg.pagerank(...).
Using Python:
3.8.2 (default, Jul 16 2020, 14:00:26)
[GCC 9.3.0]
NOTE: Please install networkx to be able to use wcc module.
Using Python:
3.8.2 (default, Jul 16 2020, 14:00:26)
[GCC 9.3.0]
If you wish to work with built-in NetworkX modules in Memgraph, you need to install the following Python libraries:
For more information on how to install Python libraries in Linux, follow the Installing Packages guide (opens in a new tab). If you are not interested in working with query modules that depend on these libraries, you can ignore the warnings.
If you run into any troubles while installing Memgraph, contact us on Discord (opens in a new tab).
Connect to the database
To query the database from the console, you need to install
mgconsole
.
You can also connect to the database using one of the client libraries or visual-user interface Memgraph Lab.
Stop Memgraph
To shut down the Memgraph server, issue the following command:
sudo systemctl stop memgraph
Start Memgraph
To start the Memgraph server, issue the following command:
sudo systemctl start memgraph
Configuration
If you're experiencing issues related to the maximum number of memory map areas,
you can resolve them by adjusting the vm.max_map_count
parameter.
The Memgraph configuration is available in /etc/memgraph/memgraph.conf
. If the
configuration file is altered, Memgraph needs to be restarted. Check all the
configuration options in the Configuration
section.