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	<title>fedora41_en | Linux Server Construction</title>
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	<title>fedora41_en | Linux Server Construction</title>
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	<item>
		<title>Fedora41 : WEB Server(Apache2)</title>
		<link>https://korodes.com/en/fedora41_en_05/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Sun, 03 Nov 2024 03:42:57 +0000</pubDate>
				<category><![CDATA[fedora41_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=28469</guid>

					<description><![CDATA[1. Apache2 installation and virtual host configuration

1.1 Apache2 Install

①httpd Install

# dnf -y install httpd

Version Check
# httpd -v
Server version: Apache/2.4.62 (Fedora Linux)
Server built:   Aug  1 2024 00:00:00

1.2 Apache Configuration
1.3 Virtual Host Settings

Assign and configure the [FQDN] to be operated on the virtual host in the document root [/var/www/html/FQDN] directory
2. Ensure CGI Script Usage

①Confirmation of CGI availability
3. PHP installation and configuration

3.1.PHP Install

①Install
4. Digest authentication in Apache2

Since Basic Authentication, a well-known authentication authentication method for http, transmits 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 the authentication information and sends it in encrypted form, so there is almost no risk of information leakage]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora41 : System Backup and Restore</title>
		<link>https://korodes.com/en/fedora41_en_12/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Sat, 09 Nov 2024 07:03:33 +0000</pubDate>
				<category><![CDATA[fedora41_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=28513</guid>

					<description><![CDATA[1.Website data backup

Backup under /var/www/html

①Create backup script file
2.MySQL database backup

①Create backup script file
3.Web configuration file (under html) restored

① Copy the HTML backup file to the "/ (root)" directory of the server to be used for restoration
4.Restore MySQL data

①Save database backup file to any directory]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora41 : Clamav , Mail Server</title>
		<link>https://korodes.com/en/fedora41_en_06/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Mon, 04 Nov 2024 00:49:23 +0000</pubDate>
				<category><![CDATA[fedora41_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=28474</guid>

					<description><![CDATA[1. Clamav ( anti-virus software )

1.1 Clam AntiVirus Install

# dnf -y install clamav clamd clamav-update

1.2 Edit Clam AntiVirus configuration file
2. Mail server(Postfix)

2.1 Postfix Install

Install Postfix and build an SMTP server

# dnf -y install postfix

Check if Postfix is installed
3. Mail server(Dovecot)

3.1 Dovecot Install

# dnf -y install dovecot
4.Create mail user and check operation

4.1 advance preparation

①Pretreatment for new users
When a new user is added, set up the system to automatically send and receive e-mail.
Mail Server : Postfix + Clamav + clamav-milter+SpamAssassin

1.Real-time scanning of e-mails

①clamav-milter Install
Virus checks are performed on the mail server side using Clam AntiVirus.
The mail server and Clam AntiVirus are linked using clamav-milter.]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora41 : Tripwire,Logwatch,Disk Usage Check Script</title>
		<link>https://korodes.com/en/fedora41_en_11/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Thu, 07 Nov 2024 04:58:23 +0000</pubDate>
				<category><![CDATA[fedora41_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=28508</guid>

					<description><![CDATA[Tripwire

1.Install

# dnf -y install tripwire

2.Passphrase setting
Logwatch

①Install

# dnf install logwatch

②Edit configuration file
Introduce disk usage check script

1. Script Creation

# cd /var/www/system
# vi disk_capacity_check.sh]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora41  : SNORT3 Install</title>
		<link>https://korodes.com/en/fedora41_en_10/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Thu, 07 Nov 2024 02:19:20 +0000</pubDate>
				<category><![CDATA[fedora41_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=28501</guid>

					<description><![CDATA[SNORT3

Snort is an open source network intrusion detection system that can perform real-time traffic analysis and packet logging on IP networks.

It can perform "protocol analysis," "content search," and "matching" and can be used to detect a variety of attacks such as buffer overflows, stealth port scans, CGI attacks, SMB probes, OS fingerprinting attempts, semantic URL attacks, and server message block probes. detection.]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora41 : Suricata Install</title>
		<link>https://korodes.com/en/fedora41_en_09/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 06 Nov 2024 02:14:39 +0000</pubDate>
				<category><![CDATA[fedora41_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=28496</guid>

					<description><![CDATA[Suricata

SURICATA IDS/IPS is an open source IDS that monitors communications on the network and detects suspicious traffic.
The basic mechanism is signature-based, so it can detect predefined unauthorized communications. Suricata is also characterized by its ability to provide protection as well as detection.]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora41 : Mysql8 , WordPress</title>
		<link>https://korodes.com/en/fedora41_en_08/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 06 Nov 2024 01:35:11 +0000</pubDate>
				<category><![CDATA[fedora41_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=28492</guid>

					<description><![CDATA[Mysql8 Install
＃ dnf -y install mysql-server

Create a new charset.cnf 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>Fedora41 : SSL Certificate Acquisition( Let&#039;s Encrypt ) , Apache , Mail SSL</title>
		<link>https://korodes.com/en/fedora41_en_07/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 05 Nov 2024 02:23:13 +0000</pubDate>
				<category><![CDATA[fedora41_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=28487</guid>

					<description><![CDATA[1.Obtain an SSL certificate ( Let's Encrypt )

Install the latest open ssl

# dnf install openssl-devel

1.1 advance preparation

1.Package management system Snappy installed
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)
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>Fedora41 : FTP Server(Vsftpd) , File Server(Samba)</title>
		<link>https://korodes.com/en/fedora41_en_04/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Sun, 03 Nov 2024 02:09:24 +0000</pubDate>
				<category><![CDATA[fedora41_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=28460</guid>

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

1. 1 Vsftpd Install

# dnf install vsftpd
2. vsftpd SSL/TLS

Configure Vsftpd to use SSL/TLS

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
① Create shared folders with access rights that require user authentication
②Creation of accessible groups
③Creation of users belonging to groups that can be accessed
④Configuration File Editing]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora41 : Remote connection with SSH public key cryptography</title>
		<link>https://korodes.com/en/fedora41_en_03/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Sat, 02 Nov 2024 01:35:30 +0000</pubDate>
				<category><![CDATA[fedora41_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=28455</guid>

					<description><![CDATA[Remote connection with SSH 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.
The creation of a public/private key pair is performed with the authority of the user logging in remotely.
If you do not specify the creation destination and file name, id_ed25519 and id_ed25519.pub will be created in /home/(user name)/.ssh/. On the way, also enter the password for the key.]]></description>
		
		
		
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