docs/en/Development-And-Common-Documents/Novice-Must-See/Commonly_Combination_Commands.md

commonly used combination commands

Author: Stranger

2022-04-23 00:16:10

There is not much content, if there are useful commands collected, it will be updated here as soon as possible

1. Install header files

sudo apt install linux-headers-`uname -r`

2. Update boot

sudo update-grub

3. Check if a package is installed

dpkg -l|grep package name or some characters contained in the package name

4. Dual system time synchronization

sudo timedatectl set-local-rtc 1
sudo hwclock --localtime --systohc

5. Merge two files (merge file1.txt and file2.txt into file.txt)

cat file1.txt file2.txt > file.txt