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	<title>fedora36_en | Linux Server Construction</title>
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	<title>fedora36_en | Linux Server Construction</title>
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	<item>
		<title>Fedora36 :  WEB Server(Apache2) Install</title>
		<link>https://korodes.com/en/fedora36-en_06/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Mon, 17 Oct 2022 05:06:26 +0000</pubDate>
				<category><![CDATA[fedora36_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=10595</guid>

					<description><![CDATA[Apache2 installation and virtual host configuration
1.Apache2 Install

①httpd install

# dnf -y install httpd

Version Check

# httpd -v
erver version: Apache/2.4.54 (Fedora Linux)
Server built:   Jun 17 2022 00:00:00
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
Confirmation of CGI Script Usage

①CGI availability check
PHP installation and configuration
1.PHP Installation
①Install
# dnf -y install php php-mbstring php-pear]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora36 : System Backup and Restore</title>
		<link>https://korodes.com/en/fedora36-en_12/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Thu, 20 Oct 2022 12:28:05 +0000</pubDate>
				<category><![CDATA[fedora36_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=10624</guid>

					<description><![CDATA[Web configuration file (under html) backup

①Create backup script file

# cd /var/www/system/
# vi html_backup.sh
Contents of html_backup.sh
MySQL database backup
①Create backup script file
Web configuration file (under html) restored

① Copy the HTML backup file to the "/ (root)" directory of the server to be used for restoration
Restore MySQL data
① Save database backup file to any directory]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora36 : Logwatch , DiCE Install</title>
		<link>https://korodes.com/en/fedora36-en_11/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 19 Oct 2022 05:10:13 +0000</pubDate>
				<category><![CDATA[fedora36_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=10618</guid>

					<description><![CDATA[Logwatch Introduction

①Install

# dnf install logwatch
②Edit configuration file
Installing DiCE

Whenever the global IP changes, which happens when the network is disconnected or the router is disconnected and rebooted, the dynamic DNS must be accessed to inform the user that the global IP has changed. DiCE does this automatically!

①Download and install Dice]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora36 : SSL Certificate ( Let&#039;s Encrypt ) , Apache ・Mail Server SSL</title>
		<link>https://korodes.com/en/fedora36-en_10/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 19 Oct 2022 01:40:20 +0000</pubDate>
				<category><![CDATA[fedora36_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=10614</guid>

					<description><![CDATA[1.Obtain SSL Certificate ( Let's Encrypt )

Install the latest open ssl

# dnf install openssl-devel
2. Apache SSL

Install the following just in case

# dnf -y install mod_ssl
3.Mail SSL/TLS(Let's Encrypt)
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>Fedora36 : SNORT2 , Tripwire  Install</title>
		<link>https://korodes.com/en/fedora36-en_08/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 18 Oct 2022 01:16:30 +0000</pubDate>
				<category><![CDATA[fedora36_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=10604</guid>

					<description><![CDATA[SNORT Installation
1.advance preparation

①Add the CodeReady Red Hat repository and install the required software

# dnf -y install bison flex libpcap-devel pcre-devel openssl-devel libdnet-devel libtirpc-devel libtool nghttp2 libnghttp2-devel
# mkdir /var/src
②Installing DAQ
# cd /var/src
Tripwire Installation
1.Install
# dnf -y install tripwire]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora36 :  Clam AntiVirus  ,  Mail Server</title>
		<link>https://korodes.com/en/fedora36-en_07/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Mon, 17 Oct 2022 07:20:54 +0000</pubDate>
				<category><![CDATA[fedora36_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=10597</guid>

					<description><![CDATA[Install Clamav ( anti-virus software )
1.Install Clam AntiVirus
# dnf -y install clamav clamd clamav-update
2.Edit Clam AntiVirus configuration file
# vi /etc/clamd.d/scan.conf
Mail Server Install
1. Install Postfix

1.1 Install
Install Postfix and build an SMTP server
Mail Server : Postfix + Clamav + Amavisd+SpamAssassin
1.Real-time scanning of E-mails
①Install Amavisd and Clamav Server
# dnf -y install amavisd-new clamd perl-Digest-SHA1 perl-IO-stringy]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora36 : FTP Server(Vsftpd)  , File Server(Samba)</title>
		<link>https://korodes.com/en/fedora36-en_05/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Sun, 16 Oct 2022 23:29:35 +0000</pubDate>
				<category><![CDATA[fedora36_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=10592</guid>

					<description><![CDATA[1.FTP Server Installation
1. 1 Vsftpd Install
# dnf -y install vsftpd
1.2 Vsftpd configuration

Save the unedited vsftpd.conf with .bak
2. vsftpd SSL/TLS

Configure Vsftpd to use SSL/TLS

2.1 Create self-signed certificates
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>Fedora36 : Remote connection with SSH public key cryptography</title>
		<link>https://korodes.com/en/fedora36-en_04/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Sun, 16 Oct 2022 12:59:09 +0000</pubDate>
				<category><![CDATA[fedora36_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=10588</guid>

					<description><![CDATA[SSH public key cipher setting

Create an SSH private key on Windows and an SSH public key on the server to allow login by key pair authentication.

1.Create key pair with ECDSA
Become an ordinary user and create a key pair in ECDSA
# su – <user name>
$ ssh-keygen -t ecdsa
Generating public/private ecdsa key pair.
Enter file in which to save the key (/home/huong/.ssh/id_ecdsa):<Enter>
Created directory '/home/huong/.ssh'.
Enter passphrase (empty for no passphrase): 　←　Enter any password]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora36 : SSH  、Firewalld</title>
		<link>https://korodes.com/en/fedora36-en_03/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Sun, 16 Oct 2022 12:43:59 +0000</pubDate>
				<category><![CDATA[fedora36_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=10585</guid>

					<description><![CDATA[1.Remote connection by SSH

SSH is a service for connecting remotely to a server, basically running immediately after OS installation, but the default settings are somewhat insecure.
Configure the default settings to increase the security of ssh connections.

1.1 SSH service configuration file changes

The SSH service configuration file is "/etc/ssh/sshd_config".
Open the configuration file in a vi editor.


# vi /etc/ssh/sshd_config]]></description>
		
		
		
			</item>
		<item>
		<title>Fedora36 : Various settings after installation</title>
		<link>https://korodes.com/en/fedora36-en_02/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Sun, 16 Oct 2022 07:06:59 +0000</pubDate>
				<category><![CDATA[fedora36_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=10581</guid>

					<description><![CDATA[1. SELinux Disable

First, disable selinux. selinux is a feature that improves auditing and security in Linux, but when enabled, it can limit the behavior of services and the configuration considerably.
Therefore, it is basically invalidated in many cases.
You can disable it by doing the following
2. System modernization &#038; Services suspended due to security measures
3.Network Settings

3.1 Set host name
Set the hostname to "Lepard" since the hostname was not set during OS installation.
4.Install NTP server and set up time synchronization service

4.1 Chrony Install
5.Set server time zone

Set time zone to Japan (Tokyo)]]></description>
		
		
		
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