Linux system security

System Security ---- Continuously updating ...

2.1 Anti-brute force cracking—fail2ban tool

• Anti-brute force cracking--fail2ban (details and installation operation centos6 version)
• Anti-brute force cracking--fail2ban (details and installation operation centos7 articles)

2.2 System data recovery

• Centos6 simulates the recovery process of ext4 file system after accidentally deleted data
• Centos7 simulates the backup and recovery of XFS file system
• Xiaohanshu Shell - Recovery after accidentally deleted files (files)

2.3 Anti-ddos attack

• Xiaohan Write Shell - Analyze web logs to solve DOS attack cases
• Anti-DDOS attack case - ddos ​​deflate
• Shell script anti-DNS attack detection and delete meat machine IP

2.4 Encryption and decryption of file system

• File system encryption and decryption

2.5 Acridine on mysql

• Xiaohan practical operation-how to modify Mysql password after forgetting
• Xiaohan Practical Operation - Mysql database backup and recovery and security configuration
• Shell script-database sub-table sub-database backup + scheduled task plan