CentOS7.9_en CentOS7.9 ; SSH , Fierwalld , NTP
1.Remote connection by SSH SSH is a service for connecting r...
2022-02
CentOS7.9_en 
CentOS7.9_en CentOS7.9 ; SSH connection with public-key
SSH connection with authentication using RSA public key cryp...
CentOS7.9_en CentOS7.9 ; FTP Server Install
FTP Server Installation 1. vsftpd install 2.vsftpd configura...
CentOS7.9_en CentOS7.9 ; Mail Server, Clamav, SpamAssassin
Clamav ( anti-virus software ) 1.Clam AntiVirus Install 2.Ed...
CentOS7.9_en CentOS7.9 ; Let's Encrypt , WEB・Mail SSL
1.Obtain SSL Certificate( Let's Encrypt ) Install the latest...
CentOS7.9_en CentOS7.9 ; MySQL8 , WordPress
Mysql8 Install 1.Preparation and Confirmation If MariaDB is ...
CentOS7.9_en CentOS7.9 ; SNORT2 , Tripwire , Chkrootkit
SNORT2 Install 1. Advance preparation ①Install necessary sof...
CentOS7.9_en CentOS7.9 ; Logwatch , Disk usage check script
1. Logwatch ①Install ②Edit configuration file ③Output Logwat...
CentOS7.9_en CentOS7.9 ; System Backup and Restore
1.Website data backup 1.1 Backup under /var/www/html ①Creati...