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	<title>Rocly Linux8.8_en | Linux Server Construction</title>
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	<link>https://korodes.com</link>
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	<lastBuildDate>Tue, 29 Apr 2025 23:47:48 +0000</lastBuildDate>
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	<title>Rocly Linux8.8_en | Linux Server Construction</title>
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	<item>
		<title>RockyLinux8.8 : OS Install</title>
		<link>https://korodes.com/en/rocky8-8_en_01/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 24 Oct 2023 06:42:29 +0000</pubDate>
				<category><![CDATA[Rocly Linux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21342</guid>

					<description><![CDATA[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.]]></description>
		
		
		
			</item>
		<item>
		<title>RockyLinux8.8 : Initial setup after OS installation</title>
		<link>https://korodes.com/en/rocky8-8_en_02/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 24 Oct 2023 06:45:34 +0000</pubDate>
				<category><![CDATA[Rocly Linux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21346</guid>

					<description><![CDATA[1.Disable SELinux

First, disable selinux. selinux is a feature that improves auditing and security in Linux, but when enabled, it places considerable restrictions on the behavior of services and on what can be configured. Therefore, it is basically disabled in many cases. If you build a server while browsing a website and it does not work as expected, it may be due to the fact that selinux is enabled. Therefore, do not forget to disable it after installation.
You can disable it by doing the following]]></description>
		
		
		
			</item>
		<item>
		<title>RockyLinux8.8 : SSH、firewalld 、NTP Server</title>
		<link>https://korodes.com/en/rocky8-8_en_03/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 24 Oct 2023 08:11:57 +0000</pubDate>
				<category><![CDATA[Rocly Linux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21353</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".
2.Firewall (firewalld) settings

The firewall is set to firewalld as default and is enabled during OS installation.

2.1 How to use the "firewall-cmd" command to control "firewalld

1)Command to check the status and settings of "firewalld"]]></description>
		
		
		
			</item>
		<item>
		<title>RockyLinux8.8 : SSH connection using public key cryptography</title>
		<link>https://korodes.com/en/rocky8-8_en_04/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 25 Oct 2023 00:54:41 +0000</pubDate>
				<category><![CDATA[Rocly Linux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21358</guid>

					<description><![CDATA[SSH public key cipher setting

1.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>RockyLinux8.8 : FTP Server , Samba FileServer Install</title>
		<link>https://korodes.com/en/rocky8-8_en_05/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 25 Oct 2023 01:25:57 +0000</pubDate>
				<category><![CDATA[Rocly Linux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21364</guid>

					<description><![CDATA[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>RockyLinux8.8 : WEB Server(Apache2) &#038; Virtual Hosts</title>
		<link>https://korodes.com/en/rocky8-8_en_06/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 25 Oct 2023 02:16:30 +0000</pubDate>
				<category><![CDATA[Rocly Linux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21371</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>RockyLinux8.8 : Anti-virus(Clamav) , Mail Server</title>
		<link>https://korodes.com/en/rocky8-8_en_07/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 25 Oct 2023 04:23:35 +0000</pubDate>
				<category><![CDATA[Rocly Linux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21378</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>RockyLinux8.8 : SSL Certificate Acquisition( Let&#039;s Encrypt ) , Apache SSL , Mail SSL/TLS</title>
		<link>https://korodes.com/en/rocky8-8_en_08/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 25 Oct 2023 05:52:03 +0000</pubDate>
				<category><![CDATA[Rocly Linux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21386</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>RockyLinux8.8 : MySQL8 , WordPress</title>
		<link>https://korodes.com/en/rocky8-8_en_09/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 25 Oct 2023 07:44:16 +0000</pubDate>
				<category><![CDATA[Rocly Linux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21392</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>RockyLinux8.8 : Snort3+Snortsnarf , Chkrootkit Install</title>
		<link>https://korodes.com/en/rocky8-8_en_10/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Thu, 26 Oct 2023 08:10:23 +0000</pubDate>
				<category><![CDATA[Rocly Linux8.8_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=21404</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.
RockyLinux8 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>
		
		
		
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