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	<title>AlmaLinux8.8_en | Linux Server Construction</title>
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	<link>https://korodes.com</link>
	<description></description>
	<lastBuildDate>Sat, 08 Mar 2025 12:49:08 +0000</lastBuildDate>
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	<title>AlmaLinux8.8_en | Linux Server Construction</title>
	<link>https://korodes.com</link>
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	<item>
		<title>AlmaLinux8.8 : System Backup and Restore</title>
		<link>https://korodes.com/en/alma8-8_en_12/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 03 Nov 2023 03:27:24 +0000</pubDate>
				<category><![CDATA[AlmaLinux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21732</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


①Create backup script file

# cd /var/www/system
# vi db_my_backup.sh
3.Restore backup files under html

①Store HTML backup files in "/ (root)" directory
4.Restore Mysql backup file

①Save the database backup file to any directory and
（In the example, the directory is "/var/www/backup/db_bak".）Extracting data]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux8.8 : Tripwire , Logwatch , disk usage check script</title>
		<link>https://korodes.com/en/alma8-8_en_11/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 03 Nov 2023 02:29:48 +0000</pubDate>
				<category><![CDATA[AlmaLinux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21725</guid>

					<description><![CDATA[Tripwire

1.Install

# dnf install -y tripwire

2..Passphrase setting

Set site passphrase and local passphrase
Logwatch

①Install

# dnf install logwatch -y

②Edit configuration file
Introduce disk usage check script

3.1  Script Creation

# cd /var/www/system
# vi disk_capacity_check.sh

Contents of disk_capacity_check.sh]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux8.8 : Snort3+Snortsnarf , Chkrootkit Install</title>
		<link>https://korodes.com/en/alma8-8_en_10/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 03 Nov 2023 01:05:44 +0000</pubDate>
				<category><![CDATA[AlmaLinux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21717</guid>

					<description><![CDATA[Snort3+Snortsnarf Install

Implement Snort, a network-based IDS, in the unauthorized access detection system.
SnortSnarf will also be installed to enable the unauthorized access logs extracted by Snort to be checked on a Web browser.
AlmaLinux8 does not have a Snort3 repository, so build, compile and install Snort3 from source code
Advance preparation

①Install required build tools and libraries

Install the EPEL repository and enable the Powertools repository.
chkrootkit

①Download and install chkrootkit

# cd /usr/local/src
# wget ftp://ftp.chkrootkit.org/pub/seg/pac/chkrootkit.tar.gz
# tar xvf chkrootkit.tar.gz

➁Create /root/bin directory and move chkrootkit command to that directory

# mkdir -p /root/bin
# mv chkrootkit-0.58b/chkrootkit /root/bin

➂Check chkrootkit.]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux8.8 : MySQL8 , WordPress</title>
		<link>https://korodes.com/en/alma8-8_en_09/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 03 Nov 2023 00:28:40 +0000</pubDate>
				<category><![CDATA[AlmaLinux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21706</guid>

					<description><![CDATA[Mysql8 Install
＃dnf module -y install mysql:8.0

charset.cnf   Create a new one with the following contents
WordPress Install
1. Create database for Word Press

As an example, assume database [wp_db] database user [wp_user] password [?W123456]]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux8.8 : SSL Certificate Acquisition( Let&#039;s Encrypt ) , Apache SSL , Mail SSL/TLS</title>
		<link>https://korodes.com/en/alma8-8_en_08/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Thu, 02 Nov 2023 07:30:42 +0000</pubDate>
				<category><![CDATA[AlmaLinux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21700</guid>

					<description><![CDATA[1.SSL Certificate Acquisition ( Let's Encrypt )

Install the latest open ssl

# dnf install openssl-devel
1.1 advance preparation

1.Package management system Snappy installation
Since the SSL certificate issuing tool "certbot" of Let's Encrypt is recommended to be installed using "snap" after 2021, install Snapd first.(Can also be installed the traditional way with dnf or yum)
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>AlmaLinux8.8 : Anti-virus(Clamav) , Mail Server</title>
		<link>https://korodes.com/en/alma8-8_en_07/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 31 Oct 2023 01:33:35 +0000</pubDate>
				<category><![CDATA[AlmaLinux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21687</guid>

					<description><![CDATA[Clamav (anti-virus software)Install

1.Clam AntiVirus Install
Mail Server Install

1. Postfix

1.1 Install
Install Postfix and build an SMTP server
Mail Server : Postfix + Clamav + Amavisd+SpamAssassin

1.Real-time scanning of e-mails

①Amavisd ,Clamav Server install]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux8.8 : WEB Server(Apache2) &#038; Virtual Hosts</title>
		<link>https://korodes.com/en/alma8-8_en_06/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 31 Oct 2023 00:15:47 +0000</pubDate>
				<category><![CDATA[AlmaLinux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21681</guid>

					<description><![CDATA[1.Apache2 Install , Virtual Host Configuration
1.1 Apache2 install

①httpd install

# dnf -y install httpd
1.3 Virtual Host Settings

Assign and configure the domain name [rocky.korodes.com] to the document root [/var/www/html/rocky.korodes.com] directory for virtual host operation
2. Use of CGI Scripts

①CGI availability check
3. PHP installation and configuration
1.PHP8 Install
4. Digest authentication with Apache2

Since 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]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux8.8 : FTP Server , Samba FileServer</title>
		<link>https://korodes.com/en/alma8-8_en_05/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 31 Oct 2023 00:00:03 +0000</pubDate>
				<category><![CDATA[AlmaLinux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21676</guid>

					<description><![CDATA[1.FTP Server

1. 1 vsftpd Install

# dnf install vsftpd

version check
2. Vsftpd over SSL/TLSLS
2.1 Create self-signed certificates
This work is not required if you are using a trusted, legitimate certificate such as Let's Encrypt.
3. File server installation with Samba
Build a file server with access rights that requires user authentication with Samba.
Installation Procedure
①Create shared folders with access rights that require user authentication
②Accessible group creation
③Creation of users belonging to accessible groups
④Configuration File Editing]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux8.8 : SSH connection using public key cryptography</title>
		<link>https://korodes.com/en/alma8-8_en_04/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Mon, 30 Oct 2023 23:49:53 +0000</pubDate>
				<category><![CDATA[AlmaLinux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21669</guid>

					<description><![CDATA[Create a key pair

Create a public/private key pair for a user connecting to a Linux server using OpenSSH.
Use ssh-keygen to create the key pair.
The creation of a public/private key pair must be done as a user with remote login 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.]]></description>
		
		
		
			</item>
		<item>
		<title>AlmaLinux8.8 : SSH、firewalld 、NTP Server</title>
		<link>https://korodes.com/en/alma8-8_en_03/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Mon, 30 Oct 2023 23:31:48 +0000</pubDate>
				<category><![CDATA[AlmaLinux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21665</guid>

					<description><![CDATA[1.Remote connection via SSH

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.

1.1 Edit SSH service configuration file

Modify the configuration file to change the SSH service settings.
The SSH service configuration file is "/etc/ssh/sshd_config".]]></description>
		
		
		
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