OS System Configuration

System Security Settings
1. Disable ping Edit configuration file: /etc/sysctl.conf, add configuration information             net.ipv4.icmp_echo_ignore_all=1 Execute command &quo...
Mon, 7 Dec, 2020 at 6:10 PM
Network Configuration
OS static IP setup steps 1. Confirm that the network cable is connected; 2.Confirm the connection status of the network card, command: ip a to view ...
Mon, 7 Dec, 2020 at 6:08 PM
User Management
Add an account useradd [options] username -d HOME_DIR    home directory of the new account -g GROUP name or ID of the primary group of the new ac...
Mon, 7 Dec, 2020 at 6:09 PM
Module Environment
The Modules package is a tool that simplify shell initialization and lets users easily modify their environment during the session with modulefiles.   mod...
Wed, 30 Aug, 2023 at 10:21 PM
Disk Management
Disk management-related commands df    Show information about the file system on which each FILE resides, or all file systems by default. -h    print siz...
Mon, 7 Dec, 2020 at 6:09 PM
Set Time Zones and Date
Set timezone Take China Time Zone (Shanghai) as an example, please modify the time zone according to the actual situation. cp /usr/share/zoneinfo/Asia/...
Mon, 7 Dec, 2020 at 6:10 PM
Query Hardware Details
CPU sudo dmidecode -t processor lscpu MEMORY sudo dmidecode -t memory cat /proc/meminfo free -g DISK lsscsi -s lsblk GPU nvidia-smi Moth...
Mon, 7 Dec, 2020 at 6:10 PM
Turn VGA on or off
This section is about how to turn on or off on-board graphics(VGA is turned off by default). GPU output signal by default because GPU resolution and 3D work...
Mon, 19 Apr, 2021 at 11:46 PM