# A08 ❯ Earlyoom (Out of Memory) Installation Guide
ℹ️ This article is part of AlmaLinux System Series.
| 💡 | Experience Level | ⭐☆☆☆☆ |
|---|---|---|
| 📆 | Last modified | 2024-02-02 |
| 🔧 | Tested by ↳ version | platform | date | NOT TESTED YET |
EarlyOOM project can be found here: https://github.com/rfjakob/earlyoom (opens new window)
# Install EarlyOOM:
sudo dnf install earlyoom -y
# Configure EarlyOOM to start at boot:
sudo systemctl enable earlyoom
# Configure Earlyoom Parameters:
Open the terminal on the host machine.
# Gain administrative privileges by using the sudo command:
sudo su
# Open the /etc/default/earlyoom file in a text editor of your choice. For example, you can use the nano editor:
sudo nano /etc/default/earlyoom
# Find or add the following lines to the file:
EARLYOOM_ARGS="-m 10 -s 75 -r 3600 --avoid '(^|/)(init|Xorg|ssh|gnome)$'"
Save the changes and exit the text editor. If you are using nano, you can press Ctrl + X, then press Y to confirm changes, and finally press Enter to exit.
Please note that these are the options that worked in my case and may not work for all specific cases. Please refer to the command options for EarlyOOM:
User
Command line options
earlyoom v1.6.2-34-g75a8852-dirty
Usage: ./earlyoom [OPTION]...
-m PERCENT[,KILL_PERCENT] set available memory minimum to PERCENT of total
(default 10 %).
earlyoom sends SIGTERM once below PERCENT, then
SIGKILL once below KILL_PERCENT (default PERCENT/2).
-s PERCENT[,KILL_PERCENT] set free swap minimum to PERCENT of total (default
10 %).
Note: both memory and swap must be below minimum for
Reference: https://github.com/rfjakob/earlyoom (opens new window)
# Set the owner and group of the file to root:
chown root:root /etc/default/earlyoom
# Set the file permissions to 0644:
chmod 0644 /etc/default/earlyoom
# Notify the system about the changes made by restarting the earlyoom service:
systemctl restart earlyoom