samsesh / Ubuntu-Optimizer

UbuntuOptimizer

Ubuntu Optimizer

This Bash script automates the optimization of your Ubuntu server.

It performs the following tasks:

1. Update, Upgrade, and Clean the server.

2. Install Useful Packages.

3. Enable Packages at Server Boot.

4. Create & Enable SWAP File. (Default is 2Gb)

5. Enable IPv6 Support.

6. Clean the Old SYSCTL Settings.

7. Optimize the SYSCTL Settings.

   • SWAP
   • Network
   • BBR
   • Kernel
   
   

8. Optimize SSH.

   • Back up the original sshd_config file
   • Disable DNS lookups for connecting clients
   • Enable compression for SSH connections
   • Remove less efficient encryption ciphers
   • Enable and Configure TCP keep-alive messages
   • Allow agent forwarding
   • Allow TCP forwarding
   • Enable gateway ports
   • Enable tunneling

9. Optimize the System Limits.

   • nproc
   • nofile
   
   

10. Optimize UFW & Open Common Ports.

Reboot at the end.

Prerequisites

• Ubuntu server (16+) with root access.
• curl

If your Ubuntu server does not have curl, install it first:

sudo apt install -y curl

Run

bash <(curl -s https://raw.githubusercontent.com/samsesh/Ubuntu-Optimizer/main/ubuntu-optimizer.sh)

run with tmux

tmux new -s optimizer 'bash <(curl -s https://raw.githubusercontent.com/samsesh/Ubuntu-Optimizer/main/ubuntu-optimizer.sh)'

Disclaimer

This script is provided as-is, without any warranty or guarantee. Use it at your own risk.

License

This script is licensed under the MIT License.