离线安装mysql community server.

1.prepare outline installer firstly.

like :mysql-server_8.4.5-1ubuntu24.04_amd64.deb-bundle
or you can download from office website:

https://dev.mysql.com/downloads/mysql

and choose the version you need.

2.some basic steps.

sudo apt update 
sudo apt install libaio1 libmecab2 libnuma1

3.extract your deb file.

tar -xvf mysql-server_8.4.5-1ubuntu24.04_amd64.deb-bundle.tar

4.install the files in order.

sudo dpkg -i mysql-common_*.deb
sudo dpkg -i mysql-community-client-plugins_*.deb
sudo dpkg -i mysql-community-client-core_*.deb
sudo dpkg -i mysql-community-client_*.deb
sudo dpkg -i mysql-client_*.deb
sudo dpkg -i mysql-community-server-core_*.deb
sudo dpkg -i mysql-community-server_*.deb
sudo dpkg -i mysql-server_*.deb

when you get trouble in installing these files, try to fix it with:

sudo apt --fix-broken install

5.start the mysql serivce

sudo systemctl start mysql
sudo systemctl enable mysql

6.check your mysql service start or not

systemctl status mysql