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Debian12.11_en

Debian12.11 : SSH , UFW(Firewall)Setting

1. SSH Service Security SettingsThe SSH service allows the r...
Debian12.11_en

Debian12.11 : SSH connection using public key cryptography

Create public and private key pairsCreate a public/private k...
Debian12.11_en

Debian12.11 : FTP Server , NTP Server

1. Install NTP serverSetting ReflectionOperation check2. Ins...
Debian12.11_en

Debian12.11 : WEB Server(Apache) , Digest authentication

Web server Apache2 installationAllow http:80 port in UFW bef...
Debian12.11_en

Debian12.11 : Anti-virus(Clamav) , Mail Server

1. Antivirus software Clamav installedInstall Clam AntiVirus...
Debian12.11_en

Debian12.11 : MariaDB , WordPress Install

1. MariaDB1.1 InstallMariaDB version confirmation1.2 MariaDB...
Debian12.11_en

Debian12.11 : Logwatch , Chkrootkit , Disk Usage Check Script

LogwatchLogwatch compiles various logs together and delivers...
Debian12.8_en

Debian12.8 : System Backup & Restore

1. System Backup1.1 Backup under /var/www/html① Create backup_all.sh script under /opt/script1.2 MariaDB database backup①Create db_backup.sh script under /opt/script# vi /opt/script/db_backup.shdb_backup.sh script contents2. System Restore2.1 Restore backup files under HTML① Store HTML backup files used for backup in the "/ (root)" directorySelect the backup file with the latest timestamp (e.g. www_back_20220501.tar.gz)2.2 Restore MariaDB database①Save DB backup file to any directory and extract data# cd /var/www/backup/db_bak
Debian12.8_en

Debian12.8 : Nagios Server , Tripwire Install

Open source integrated monitoring software "Nagios Server" installedNagios is an open source monitoring solution running on Linux.Nagios is designed to periodically check critical network, application, or server parameters.These parameters include microprocessor load, number of running processes, log files, disk and memory usage, as well as many other services such as SMTP (Simple Mail Transfer Protocol), HTTP (Hypertext Transfer Protocol), POP3 (Post Office Protocol 3), etc. can be checked.These parameters require a microprocessor load, a database such as PHP or MySQL to run Nagois, and a web server such as Apache or Nginx. We will proceed under the assumption that all of these have already been configured
Debian12.8_en

Debian12.8 : FTP Server , NTP Server

1. Install a time synchronization service NTP server# apt -y install chrony# vi /etc/chrony/chrony.conf# Lines 20-23.:Comment the default settings and add the NTP server for your time zone.#pool ntp.ubuntu.com     iburst maxsources 4#pool 0.ubuntu.pool.ntp.org iburst maxsources 1#pool 1.ubuntu.pool.ntp.org iburst maxsources 1#pool 2.ubuntu.pool.ntp.org iburst maxsources 2
OracleLinux10.0_en

OracleLinux10.0 : OS INSTALL

OracleLinux10.0Oracle Linux provides a 100% application bina...
OracleLinux10.0_en

OracleLinux10.0 : Initialization

Initial setup after installation1.Install bash completion ex...
OracleLinux10.0_en

OracleLinux10.0 : SSH Remote connection , Firewalld , NTP Server

1.Setting up a remote connection via SSHSSH is a service for...
OracleLinux10.0_en

OracleLinux10.0 : SSH connect with public key

SSH connection with authentication using public key  Creatio...
OracleLinux10.0_en

OracleLinux10.0 : FTP Server , Samba FileServer

1.FTP Server1.1 Vsftpd Install1.2Vsftpd configurationSave vs...