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	<title>Almalinux8.6_en | Linux Server Construction</title>
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	<link>https://korodes.com</link>
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	<lastBuildDate>Sun, 09 Mar 2025 07:53:30 +0000</lastBuildDate>
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	<url>https://korodes.com/wp-content/uploads/2020/01/cropped-profile-32x32.jpg</url>
	<title>Almalinux8.6_en | Linux Server Construction</title>
	<link>https://korodes.com</link>
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	<item>
		<title>AlmaLinux 8.6  :  System Backup and Restore</title>
		<link>https://korodes.com/en/alma8_en_12/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 24 Jun 2022 10:04:41 +0000</pubDate>
				<category><![CDATA[Almalinux8.6_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=8772</guid>

					<description><![CDATA[1. Website data backup
1-1. Backup under /var/www/html

①Create backup script file

# cd /var/www/system
# vi backup_html.sh
2. MySQL database backup


①Creating backup script files

# cd /var/www/system
3.Restore backup files under html

① Store HTML backup files in "/" (root) directory

# cd /var/www/backup/html_bak
4. Restore Mysql Backup Files

①Save the database backup file to any directory
（In the example, the directory is "/var/www/backup/db_bak".）
Unzip data]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux 8.6 :　Logwatch , Disk Usage Check Script</title>
		<link>https://korodes.com/en/alma8_en_11/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 24 Jun 2022 09:54:35 +0000</pubDate>
				<category><![CDATA[Almalinux8.6_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=8766</guid>

					<description><![CDATA[1. Logwatch Install

① Install

# dnf install logwatch
② Edit configuration file
2. Introduce disk usage check script
2.1 Script Creation
# cd /var/www/system
# vi disk_capacity_check.sh]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux 8.6 :　SSL Certificate Acquisition , WEB・Mail SSL</title>
		<link>https://korodes.com/en/alma8_en_10/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 24 Jun 2022 07:47:56 +0000</pubDate>
				<category><![CDATA[Almalinux8.6_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=8758</guid>

					<description><![CDATA[1. Obtain an SSL certificate ( Let's Encrypt )

Install the latest open ssl

# dnf install openssl-devel
1.1 Certificate Installation
# dnf -y install certbot
2. Converting Apache to https

Install the following

# dnf -y install mod_ssl
3. SSL/TLS (Let's Encrypt) settings on the mail server
3.1 Obtaining a certificate for the mail server

Obtain a certificate for the mail server, but it cannot be obtained in the same way as above, so the following with the "--standalone" option fails.]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux 8.6 : MySQL8 , WordPress  Install</title>
		<link>https://korodes.com/en/alma8_en_09/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 24 Jun 2022 07:31:09 +0000</pubDate>
				<category><![CDATA[Almalinux8.6_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=8750</guid>

					<description><![CDATA[Mysql8  Install
＃ dnf module -y install mysql:8.0
＃ vi /etc/my.cnf.d/charset.cnf

charset.cnf    Create a new one with the following contents
WordPress  Install
1. Create a database for WordPress

As an example, assume database [wp_db] database user [wp_user] password [?W123456]

# mysql -u root -p]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux 8.6 : Snort2 , Tripwire , Chkrootkit Install</title>
		<link>https://korodes.com/en/alma8_en_08/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 21 Jun 2022 05:09:04 +0000</pubDate>
				<category><![CDATA[Almalinux8.6_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=8745</guid>

					<description><![CDATA[SNORT2  Install
1. advance preparation

①Add the CodeReady Red Hat repository and install the required software

# dnf config-manager --set-enabled powertools
Tripwire  Install
1.Download and installation
# cd /usr/local/src
Chkrootkit  Install

①chkrootkit Download and Install

# cd /usr/local/src]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux  8.6  :  Anti-Virus , Mail Server</title>
		<link>https://korodes.com/en/alma8_en_07/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 21 Jun 2022 03:31:12 +0000</pubDate>
				<category><![CDATA[Almalinux8.6_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=8736</guid>

					<description><![CDATA[Install clamav ( anti-virus software )

1.Clam AntiVirus Install

# dnf -y install clamav clamd clamav-update
2.Clam AntiVirus  Configuration File Editing
Mail Server Installation
1.Postfix Installation

1.1 Install
Install Postfix and build an SMTP server

# dnf -y install postfix
Mail Server : Postfix + Clamav + Amavisd+SpamAssassin
1.Real-time scanning of e-mails
①Amavisd &#038; Clamav Server  Install]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux  8.6  :  WEB Server Install</title>
		<link>https://korodes.com/en/alma8_en_06/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 21 Jun 2022 01:44:36 +0000</pubDate>
				<category><![CDATA[Almalinux8.6_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=8728</guid>

					<description><![CDATA[1. Apache2 installation and virtual host configuration
1.1 Apache2 Install

①httpd install

# dnf -y install httpd
# httpd -v
Server version: Apache/2.4.37 (AlmaLinux)
1.3 Virtual Host Settings

Assign and configure the FQDN [alma.korodes.com] to be operated by the virtual host in the document root [/var/www/html/alam.korodes.com] directory]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux  8.6 :  FTP Server Install</title>
		<link>https://korodes.com/en/alma8_en_05/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 21 Jun 2022 01:14:04 +0000</pubDate>
				<category><![CDATA[Almalinux8.6_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=8721</guid>

					<description><![CDATA[FTP Server Installation
1. Vsftpd Install
# dnf -y install vsftpd
2.Vsftpd configuration
Save the unedited vsftpd.conf with .bak
# cp /etc/vsftpd/vsftpd.conf /home/huong/vsftpd.conf.bak]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux  8.6 :  Public key  SSH connection</title>
		<link>https://korodes.com/en/alma8_en_04/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Mon, 20 Jun 2022 10:11:34 +0000</pubDate>
				<category><![CDATA[Almalinux8.6_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=8716</guid>

					<description><![CDATA[SSH connection with authentication using RSA public key cryptography
Creation of public and private key pairs

Create a public/private key pair for a user connecting to a Linux server using OpenSSH.
Use ssh-keygen to create the key pair.
This time, we will create a key set using the RSA cipher used in the SSH protocol Version 2.
The creation of a public/private key pair is performed with remote login user privileges (huong).
If you do not specify the destination and file name, id_rsa and id_rsa.pub will be created in /home/huong/.ssh/. On the way, enter the password for the key.]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux  8.6 : SSH , Firewall , NTP</title>
		<link>https://korodes.com/en/alma8_en_03/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Sun, 19 Jun 2022 13:42:58 +0000</pubDate>
				<category><![CDATA[Almalinux8.6_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=8710</guid>

					<description><![CDATA[1. Setting up SSH remote connection

SSH 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.
2. How to set up a firewall (firewalld)

In AlmaLinux, the firewall is set to firewalld by default and is enabled during OS installation.

Briefly explaining "firewalld," when setting communication control policies, the method is to apply communication permission/blocking rules to predefined zones, and then assign those zones to each NIC (network adapter).
4. NTP Server Settings

Synchronize server time with Japan Standard Time

① Chrony Installation and Configuration]]></description>
		
		
		
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