/Ubuntu-Optimizer

Ubuntu Optimizer

Primary LanguageShellMIT LicenseMIT

Ubuntu Optimizer

This Bash script automates the optimization of your Ubuntu server.

It performs the following tasks:

  1. Fix & Optimize System DNS Settings:

    Clean the /etc/resolv.conf and Add:

    • 1.1.1.1 - 1.0.0.1

  2. Update, Upgrade, and Clean the server:

    • Update
    • Upgrade
    • Dist-Upgrade
    • AutoRemove
    • AutoClean
    • Clean

  3. Install Useful Packages:

    software-properties-common build-essential apt-transport-https iptables iptables-persistent lsb-release ca-certificates ubuntu-keyring gnupg2 apt-utils cron bash-completion curl git zip unzip ufw wget preload locales nano vim python3 python3-pip jq qrencode socat busybox net-tools haveged htop libssl-dev libsqlite3-dev

  4. Enable Packages at Server Boot.

  5. Create & Enable SWAP File:

    • Swap Path: "/swapfile"
    • Swap Size: 2Gb

  6. Enable IPv6 Support.

  7. Clean the Old SYSCTL Configs.

  8. Optimize the SYSCTL Configs.

    • Optimize SWAP.
    • Optimize Network Settings.
    • Activate BBR.
    • Optimize the Kernel.

  9. Optimize SSH:

    • Back up the original sshd_config file.
    • Disable DNS lookups for connecting clients.
    • Remove less efficient encryption ciphers.
    • Enable and Configure TCP keep-alive messages.
    • Allow agent & TCP forwarding.
    • Enable gateway ports, Tunneling & Compression.

  10. Optimize the System Limits:

    • Soft & Hard nproc limits.
    • Soft & Hard nofile limits.

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/GetPHP-IR/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.