CentOS7.9_en CentOS7.9 : WEB Server Apache
1.Apache2 installation and virtual host setup1.1 Apache2 Ins...
CentOS7.9_en
CentOS7.9_en 
CentOS7.9_en CentOS7.9 : SNORT2 , Tripwire , Chkrootkit
SNORT2 Install1. Advance preparation①Install necessary softw...
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 : Mail Server, Clamav, SpamAssassin
Clamav ( anti-virus software ) 1.Clam AntiVirus Install# yum...
CentOS7.9_en CentOS7.9 : FTP Server Install
FTP Server Installation1. vsftpd install# yum -y install vsf...
CentOS7.9_en CentOS7.9 : SSH connection with public-key
SSH connection with authentication using RSA public key cryp...
CentOS7.9_en CentOS7.9 : SSH , Fierwalld , NTP
1.Remote connection by SSHSSH is a service for connecting re...
CentOS7.9_en CentOS7.9 : OS Install
CentOS7.9 Install１．CentOS 7.9 DownloadCentOS7.9 installation...
CentOS7.9_en CentOS7.9 : Logwatch , Disk usage check script
1. Logwatch①Install# yum install logwatch②Edit configuration...
CentOS7.9_en CentOS7.9 : System Backup and Restore
1.Website data backup1.1 Backup under /var/www/html①Creating...
CentOS7.9_en CentOS7.9 : MySQL8 , WordPress
Mysql8 Install1.Preparation and ConfirmationIf MariaDB is al...
CentOS7.9_en CentOS7.9 : Initial Settings
1.Disable SELinuxFirst, disable selinux. selinux is a featur...