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Almalinux8.6 Building a server

AlmaLinux 8.6 : OS Install

AlmaLinux 8.6  Install AlmaLinux OS is a project launched by CloudLinux in the US as an alternative to CentOS. Currently, the AlmaLinux OS Foundation is the development parent organization. AlmaLinux OS 8.6 is a Linux distribution compatible with "Red Hat Enterprise Linux 8"
Almalinux9.1_en

AlmaLinux 9.1 ; OS Install

AlmaLinux 9.0 Install AlmaLinux OS is a project launched by CloudLinux in the US as an alternative to CentOS. Currently, the AlmaLinux OS Foundation is the development parent organization.Following the general availability of Red Hat Enterprise Linux 9.0, AlmaLinux 9.0 was released on May 26, 2022. Like Red Hat Enterprise Linux 9, AlmaLinux 9 utilizes the same package versions as the Linux 5.14 kernel, GCC 11, Python 3.9, and RHEL9. Cockpit web management interface, enhanced kernel live patching, improved container and cloud integration, OpenSSL 3, and other security improvements.
Almalinux9.2_en

AlmaLinux9.2 ; OS Install

AlmaLinux 9.2 Install AlmaLinux OS is a project launched by CloudLinux in the US as an alternative to CentOS. Currently, the AlmaLinux OS Foundation is the development parent organization.Following the general availability of Red Hat Enterprise Linux 9.0, AlmaLinux 9.0 was released on May 26, 2022. Like Red Hat Enterprise Linux 9, AlmaLinux 9 utilizes the same package versions as the Linux 5.14 kernel, GCC 11, Python 3.9, and RHEL9. Cockpit web management interface, enhanced kernel live patching, improved container and cloud integration, OpenSSL 3, and other security improvements. This time we will install AlmaLinux 9.2 with a minor upgrade on May 11, 2023.
Almalinux9.3_en

AlmaLinux9.3 ; OS Install

AlmaLinux 9.3 Install AlmaLinux OS is a project launched by CloudLinux in the US as an alternative to CentOS. Currently, the AlmaLinux OS Foundation is the development parent organization.Following the general availability of Red Hat Enterprise Linux 9.0, AlmaLinux 9.0 was released on May 26, 2022. Like Red Hat Enterprise Linux 9, AlmaLinux 9 utilizes the same package versions as the Linux 5.14 kernel, GCC 11, Python 3.9, and RHEL9. Cockpit web management interface, enhanced kernel live patching, improved container and cloud integration, OpenSSL 3, and other security improvements. This time we will install AlmaLinux 9.3 with a minor upgrade on Nov 11, 2023. 1.AlmaLinux 9.3 Download AlmaLinux 9.3 installation image can be downloaded from the following site https://almalinux.org
AlmaLinux8.8_en

AlmaLinux8.8 ; OS Install

AlmaLinux 8.8 Install AlmaLinux OS is a project launched by US CloudLinux as an alternative to CentOS. Currently, the AlmaLinux OS Foundation is the development parent organization. This time we will install AlmaLinux 8.8, a minor upgrade on May 18, 2023. 1.AlmaLinux 8.8 Download AlmaLinux 8.8 installation image can be downloaded from the following site https://almalinux.org
Rocky Linux8.6 Building a server

Rocky Linux8.6 : OS Install

Rocky Linux 8.6 Install 1.Download Rocky Linux 8 installation image can be downloaded from the following site https://rockylinux.org/download
Rocly Linux8.8_en

RockyLinux8.8 ; OS Install

Rocky Linux Install 1.Rocky Linux 8.8 Download Rocky Linux 8.8 installation image can be downloaded from the following site https://rockylinux.org/download 2.Rocky Linux 8.8 Install イInstall USB media Change BIOS settings to boot from USB media. 2.1 Installation initial screen Press the [tab] key, enter "resolution=1024x768" and press the [Enter] key. This way, the right edge of the installation screen is displayed without being cut off.
Rocky Linux9.1_en

RockyLinux9.1 : OS Install

Rocky Linux9.0 The Rocky Release Engineering team announced the latest version of Rocky Linux 9.0 on July 14, 2022. Rocky Linux is a Linux distribution compatible with Red Hat Enterprise Linux; Rocky Linux 9 is a compatible release with RHEL 9 released in May and will be supported until the end of May 2032. In security, password-based root user authentication via SSH is now disabled by default. SSH keys can be used to access remote systems instead of root passwords. OpenSSL supports version 3.0.1, enhanced support for HTTPS clients, and a new FIPS module.
Rocky Linux9.3_en

Rocky Linux9.3 ; OS Install

Rocky Linux9.3 The Rocky Release Engineering team announced the latest version of Rocky Linux 9.0 on July 14, 2022. Rocky Linux is a Linux distribution compatible with Red Hat Enterprise Linux; Rocky Linux 9 is a compatible release with RHEL 9 released in May and will be supported until the end of May 2032. This time we will install Rocky Linux 9.3, released NOVEMBER 20, 2023.
OracleLinux9.3_en

OracleLinux9.3 ; OS Install

OracleLinux9.3 Oracle Linux provides a 100% application binary compatible alternative to Red Hat Enterprise Linux and  CentOS Linux for both hybrid and multi-cloud environments. Since 2006, Oracle Linux has been completely free to download and use. Source code, binaries and updates are provided free of charge. It is freely redistributable. Free for use in production environments. This time, we will proceed with the latest Oracle Linux 9.3.(November 15, 2023 Release) 1.Oracle Linux9.3 Download Oracle Linux 9.3 installation image (OracleLinux-R9-U3-x86_64-dvd.iso ) can be downloaded from the following site https://www.oracle.com/linux/
Archlinux_en

ArchLinux ; Clamav ( Anti-virus software ) , Mail server

1. Install clamav ( anti-virus software ) 1.1 Clam AntiVirus Installation # pacman -S clamav 1.2 Virus definition file update settings # vim /etc/clamav/freshclam.conf Line 76 Insert "#" at the beginning of the line "DatabaseMirror database.clamav.net", Add "DatabaseMirror db.jp.clamav.net #DatabaseMirror database.clamav.net DatabaseMirror db.jp.clamav.net 2. Mail Server (Postfix) 2.1 Installing Postfix Install Postfix and build an SMTP server # pacman -S postfix 3. Mail Server(Dovecot) 3.1 Dovecot Installation # pacman -S dovecot 3.2 Edit dovecot.conf file Mail Server : Postfix + Clamav + clamav-milter+SpamAssassin 1. Real-time scanning of email ➁clamav-milter configuration
Archlinux_en

ArchLinux ; WEB Server(Apache2)

1. Apache2 installation and virtual host configuration 1.1 Apache2 Installation ①Install httpd # pacman -S apache Version Check # httpd -v Server version: Apache/2.4.58 (Unix) Server built: Oct 25 2023 18:28:29 1.2 Apache Configuration ①Edit httpd.conf file 2. Confirmation of CGI Script Usage ①CGI availability check 3. PHP installation and configuration 3.1 PHP8 installation ①Install # pacman -S php php-apache php-fpm ②Version Check
Archlinux_en

ArchLinux ; FTP Server , File Server (SAMBA)

1.FTP Server 1. 1 vsftpd installation # pacman -S vsftpd 1.2 vsftpd configuration ①Editing Configuration Files 2. vsftpd SSL/TLS Configure Vsftpd to use SSL/TLS 2.1 Create self-signed certificates This step is not necessary if you are using a trusted, legitimate certificate such as Let's Encrypt. The information you enter is meaningless and will only be used for encryption.
Archlinux_en

ArchLinux ; SSH , Firewall (ufw)

1. SSH Service Security Settings Change the configuration file for the SSH service, which is "/etc/ssh/sshd_config". In this case, we will change the default SSH port 22 to 2244. Change /etc/ssh/sshd_config as follows 2. Firewall (ufw) 2.1 Install # pacman -S ufw # systemctl status ufw ○ ufw.service - CLI Netfilter Manager Loaded: loaded (/usr/lib/systemd/system/ufw.service; disabled; preset: dis> Active: inactive (dead) You can confirm that the ufw service is stopped by displaying "Active: inactive (dead)"
Archlinux_en

ArchLinux ; Initial settings after OS installation

1. User Account Creation Add user (huong) to wheel group and create home directory # useradd -m -G wheel huong User (huong) password setting # passwd huong New password: Retype new password: passwd: password updated successfully Grant sudo privileges to the added huong user 2 . Configuration of the text editor vim Vim was already installed during the Arch Linux installation, so this is just a configuration file. If you are installing vim 3. Network Connections ■ If using systemd-resolved, create /etc/resolv.conf as a link file # ln -sf /run/systemd/resolve/stub-resolv.conf /etc/resolv.conf ■ If systemd-resolved is not used