Review database MySQL backup and recovery:
show databases;
User spdb1;
Show tables;
Perform a backup in the Mysql/bin directory:./mysqldump-u root-p spdb1 >/home/spdb1.bak
You will be prompted to enter the password for the user root.
Delete a database drop databases spdb1;
Recovery database: Mysql-u root-p database name
You need to create a new empty database before recovering the database, otherwise error. Create a new user under/mysql/bin: the Create database name;
SSH Introduction:
SSH (Secure Shell) is a set of software for remote operation of Linux and for file upload and download.
After the Linux installation is complete, an SSHD service is installed and started by default, listening on port 22.
The process of using SSH:
1) Double-click to run the SSH client.
2) Click on Quick Connect and fill in the popup window with the host Name,user name, port (default 22), and then enter the password password.
1.linux Start-Up process analysis:
2. Add Decompression:
3.java network programming.
Linux Video Learning 7 (SSH, Linux boot process analysis, add decompression, Java Network programming)