業務用エアコン関連の技術情報、エラーコード、環境問題対策に関する別サイト「エアコンの安全な修理・適切なフロン回収」

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Almalinux9.4_en

AlmaLinux9.4 : WEB Server(Apache2) & Virtual Hosts

1.Apache2 Install , Virtual Host Configuration1.1 Apache2 install①httpd install# dnf -y install httpd1.3 Virtual Host SettingsAssign and configure the domain name [rocky.korodes.com] to the document root [/var/www/html/rocky.korodes.com] directory for virtual host operation2. Use of CGI Scripts①CGI availability check3. PHP installation and configuration1.PHP8 Install4. Digest authentication with Apache2Since Basic Authentication, a well-known authentication authorization method for http, sends authentication information in plain text, there is a risk of ID and password leakage if the packet is intercepted.On the other hand, Digest Authentication encrypts and transmits authentication informa
Almalinux9.4_en

AlmaLinux9.4 : FTP Server , Samba File Server

AlmaLinux9.4 ; FTP Server , Samba File Server1. FTP Server1. 1 Vsftpd Install# dnf -y install vsftpdInstalled: vsftpd-3.0.5-5.el9.x86_64Complete!2. vsftpd SSL/TLSConfigure Vsftpd to use SSL/TLS2.1 Create self-signed certificatesThis work is not required if you are using a trusted, legitimate certificate such as Let's Encrypt.3. File server installation with SambaBuild a file server with access rights that requires user authentication with Samba.Installation Procedure①Create shared folders with access rights that require user authentication②Accessible group creation③Creation of users belonging to accessible groups④Configuration File Editing
Almalinux9.4_en

AlmaLinux9.4 : SSH connection with public key

SSH connection with authentication using public key cryptography Creation of public and private key pairsCreate a public/private key pair for a user connecting to the Linux server using OpenSSH.Use ssh-keygen to create key pairs.Creation of public/private key pairs is performed with remote login user privileges。If you do not specify the destination and file name, id_ed25519 and id_ed25519.pub will be created in /home/(user name)/.ssh/. On the way, enter the password for the key.
Almalinux9.4_en

AlmaLinux9.4 : SSH、Firewalld、NTP Server

1. SSH remote connectionSSH is a service for connecting remotely to a server and is basically running immediately after the OS is installed, but the default settings are somewhat insecure.Here we will configure the default settings to increase the security of ssh connections.
Debian10.13_en

Debian10.13 : SNORT2 , Tripwire

1.SNORT2 InstallSnort is an open source network intrusion de...
Debian10.13_en

Debian10.13 : MySQL8 , WordPress

1. MySQL 8 Install1. 1 Update package indexInstall necessary...
Debian10.13_en

Debian10.13 : Let's Encrypt WEB , Mail SSL

1. Obtaining a Certificate(Let's Encrypt)1.1 advance prepara...
Debian10.13_en

Debian10.13 : Antivirus , Mail Server

1.Anti-virus Clamav installed1.1 InstallThe clamav-related c...
Debian10.13_en

Debian10.13 : WEB Server Apache2

WEB Server Apache2Allow http:80 and https:443 ports in UFW b...
Debian10.13_en

Debian10.13 : NTP ,FTP Server

1. Install an NTP server that provides time synchronization ...
Debian10.13_en

Debian10.13 : SSH with public key

SSH connection with authentication using RSA public key cryp...
Debian10.13_en

Debian10.13 : SSH , Firewall

1. SSH Service Security SettingsThe SSH service allows the r...
Debian10.13_en

Debian10.13 : Initialization

1. Install and configure vim editorDebian has "nano" as the ...
Debian10.13_en

Debian10.13 ; OS Install

1.Download the .Debian10.13 installation imageDownload site ...
Debian11.3_en

Debian11 : Zabbix6 Install

Open source integrated monitoring software "ZabbixZabbix is an open source integrated monitoring software for centralized monitoring of servers, networks and applications. It provides monitoring, fault detection and notification functions required for integrated monitoring. With Zabbix agent and SNMP support for many platforms, you can monitor your entire system with a single Zabbix.To run Zabbix, you will need the PHP programming language, MySQL as a database server, and a web server such as Apache or Nginx. In this article, we will assume that all of these have already been configured.