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	<title>Ubuntu18.04_en | Linux Server Construction</title>
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	<link>https://korodes.com</link>
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	<title>Ubuntu18.04_en | Linux Server Construction</title>
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	<item>
		<title>Ubuntu Server 18.04 : Obtaining and Installing an Image</title>
		<link>https://korodes.com/en/ubuntu_01-2/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Tue, 28 Jan 2020 12:29:48 +0000</pubDate>
				<category><![CDATA[Ubuntu18.04_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=3371</guid>

					<description><![CDATA[Download the installation image

The installation media for Ubuntu Server can be downloaded from the official website on the Internet.You will need to create an installation CD/DVD from the downloaded iso file.
The download location for the iso file is
Ubuntu official download site




Install

Change the BIOS so that the PC can boot from the installation disk created above, and then boot the PC.]]></description>
		
		
		
			</item>
		<item>
		<title>Ubuntu Server 18.04 :  Installing MySQL</title>
		<link>https://korodes.com/en/ubuntu_08-2/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 05 Feb 2020 05:10:40 +0000</pubDate>
				<category><![CDATA[Ubuntu18.04_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=9312</guid>

					<description><![CDATA[Installing MySQL

1.Install the necessary packages.


# apt update
# apt install mysql-server

2.Configure security settings for MySQL server.


There is a tool called mysql_secure_installtion that can be used to configure security-related settings for the MySQL server.
When you run it, it will ask you a series of questions to help you configure some security settings.]]></description>
		
		
		
			</item>
		<item>
		<title>Ubuntu Server 18.04 : SSL/TLS applied to web , mail ,  FTP server</title>
		<link>https://korodes.com/en/ubuntu-server-18-04-web-mail-ftp-server-ssl-tls-applied/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Mon, 03 Feb 2020 07:08:45 +0000</pubDate>
				<category><![CDATA[Ubuntu18.04_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=3221</guid>

					<description><![CDATA[1. Apache2 : SSL/TLS Configuration

Describes how to apply an SSL certificate obtained with Let's Encrypt to apache.
Domain name : hoge.com

1.1 Configuration of Apache2

①Editing the Apache2 configuration file
Rename and copy the default conf file (e.g. "hoge.com-ssl.conf")]]></description>
		
		
		
			</item>
		<item>
		<title>Ubuntu Server 18.04 :  Mail Server Install</title>
		<link>https://korodes.com/en/ubuntu_05-2/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Sun, 02 Feb 2020 00:12:15 +0000</pubDate>
				<category><![CDATA[Ubuntu18.04_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=3242</guid>

					<description><![CDATA[1.Postfix : Installation / Configuration

Postfix is a software developed as an MTA (Mail Transport Agent) to replace Sendmail, and is a mail server with features such as high compatibility with Sendmail, security, easy maintenance, and speed.
Also, since Postfix only functions as an SMTP server for sending mails, you will need to install a POP server for receiving mails separately as described later.]]></description>
		
		
		
			</item>
		<item>
		<title>Ubuntu Server 18.04 : Web server and antivirus installed.</title>
		<link>https://korodes.com/en/ubuntu_04-2/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 31 Jan 2020 05:08:27 +0000</pubDate>
				<category><![CDATA[Ubuntu18.04_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=3282</guid>

					<description><![CDATA[1. WEB server installation
1. 1 Apache2 installation

① Install

# apt -y install apache2

② Edit configuration file

# vi /etc/apache2/conf-enabled/security.conf
# Line 25: Change
ServerTokens 　Prod]]></description>
		
		
		
			</item>
		<item>
		<title>Ubuntu Server 18.04 : FTP Serve , NTP Server</title>
		<link>https://korodes.com/en/ubuntu_03-2/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 29 Jan 2020 07:16:02 +0000</pubDate>
				<category><![CDATA[Ubuntu18.04_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=3345</guid>

					<description><![CDATA[1.Install the FTP server vsftpd

① Install

# apt install vsftpd

② Allow PORT21 to be used by FTP in UFW(firewall)

# ufw allow ftp
# ufw reload

③ Edit the configuration file (vsftpd.conf)]]></description>
		
		
		
			</item>
		<item>
		<title>Ubuntu Server : 18.04 Initial Setup</title>
		<link>https://korodes.com/en/ubunt_02-2/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Wed, 29 Jan 2020 04:40:58 +0000</pubDate>
				<category><![CDATA[Ubuntu18.04_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=3360</guid>

					<description><![CDATA[1. Set the root password and use the SU command
$  passwd root
password for <user name> ← Current user's password
Enter new UNIX password: ← Enter the root password to be set.
Retype new UNIX password: ← Re-enter the same password
passwd: password updated successfully]]></description>
		
		
		
			</item>
		<item>
		<title>Ubuntu Server 18.04 : Obtain an SSL certificate (Let&#039;s Encrypt).</title>
		<link>https://korodes.com/en/ubuntu_06-2/</link>
		
		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Mon, 03 Feb 2020 04:08:24 +0000</pubDate>
				<category><![CDATA[Ubuntu18.04_en]]></category>
		<guid isPermaLink="false">https://korodes.com/?p=9322</guid>

					<description><![CDATA[Obtaining a certificate with Let's Encrypt

①Enable mod_ssl


# a2enmod ssl

②Install Git.


# apt-get install -y git

③Install the certificate acquisition tool


# cd /usr/local/
# git clone https://github.com/certbot/certbot]]></description>
		
		
		
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