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system-initialization

This script performs initialization operations on newly deployed Linux servers, covering some basic function adjustments and performance adjustments.

Compatibility

  • CentOS 7 and later
  • Ubuntu 20 and later

Optional Features

  • root-check Confirm whether the script is currently executed as the root user.
  • system-check Get Linux distribution.
  • system-optimize To make simple adjustments and optimizations to system tcp, etc, parameters need to be adjusted for different hardware configurations.
  • system-update Upgrade the system to the latest LT version.
  • system-firewall Turn off the firewall that is enabled by default.
  • resource-limits Adjust the resource limit limit.
  • tcp-bbr Enable BBR TCP congestion algorithm.
  • script-update Update the script to the latest.
  • ssh-port Adjust ssh listening port.
  • ssh-key Establish ssh key connection.

Usage

Just download and execute the script:

wget https://raw.githubusercontent.com/Jupiter0428/system-initialization/master/initial.sh
chmod +x ./initial.sh
./initial.sh $1 $2