Almalinux10.1_en AlmaLinux10.1 : System Backup and Restore
1.Website data backup1-1.Backup under /var/www/html①Create b...
2025-11
Almalinux10.1_en 
Almalinux10.1_en AlmaLinux10.1 : SSL Certificate ( Let's Encrypt ) , Apache/Mail SSL
1.Obtain an SSL certificate ( Let's Encrypt )Install the lat...
Almalinux10.1_en AlmaLinux10.1 : Anti-virus(Clamav) , Mail Server
Clamav1.Clamav Install2.Clam AntiVirus Configuration File E...
Almalinux10.1_en AlmaLinux10.1 : WEB Server(Apache2)
1.Apache2 Install , Virtual Host Configuration1.1 Apache2 In...
Debian13.2_en Debian13.2 : OS Install , Initial Settings
1. Overview of Debian 13This time, we'll explain how to buil...
Debian13.2_en Debian13.2 : System Backup & Restore
1. System Backup1.1 Backup under /var/www/html① Create backu...
Debian13.2_en Debian13.2 : Nagios Server , Tripwire Install
Nagios ServerNagios is an open source monitoring solution ru...
Debian13.2_en Debian13.2 : Suricata + Elastic Stack + Kibana
PrerequisiteWe will install Suricata IDS and ElasticStack on...
Debian13.2_en Debian13.2 : MariaDB , WordPress
1. MariaDB1.1 InstallMariaDB version confirmation1.2 MariaDB...
Debian13.2_en Debian13.2 : Let's Encrypt, WEB/Mail Server SSL
1. Obtain a certificate (Let's Encrypt)1.1 advance preparati...
Debian13.2_en Debian13.2 : Anti-virus(Clamav) , Mail Server
1. Antivirus software Clamav installedInstall Clam AntiVirus...
Debian13.2_en Debian13.2 : WEB Server(Apache)
Web server Apache2 installationAllow http:80 port in UFW bef...
Debian13.2_en Debian13.2 : FTP Server , NTP Server
1. Install NTP serverSetting ReflectionOperation check2. Ins...
Debian13.2_en Debian13.2 : SSH connection using public key cryptography
Create public and private key pairsCreate a public/private k...
Debian13.2_en Debian13.2 : SSH , UFW(Firewall)Setting
1. SSH Service Security SettingsThe SSH service allows the r...
