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		<title>Ubuntu Server26.04 : System Backup and Restore</title>
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		<pubDate>Sat, 25 Apr 2026 08:02:15 +0000</pubDate>
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					<description><![CDATA[1. System backup 1.1 Backup under /var/www/html ①Create the backup_all.sh script under /opt/script/ backup_all [&#8230;]]]></description>
		
		
		
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		<title>Ubuntu Server26.04 : Tripwire , Logwatch,disk usage check script,DNS Update</title>
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		<pubDate>Sat, 25 Apr 2026 07:14:16 +0000</pubDate>
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					<description><![CDATA[Tripwire Implement a system to detect file tampering on Linux servers by crackers.This time, Tripwire, a host- [&#8230;]]]></description>
		
		
		
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		<title>Ubuntu Server26.04 : Nagios Server</title>
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		<pubDate>Sat, 25 Apr 2026 05:45:09 +0000</pubDate>
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					<description><![CDATA[Nagios Server Nagios is an open source monitoring solution running on Linux.Nagios is designed to periodically [&#8230;]]]></description>
		
		
		
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		<title>Ubuntu Server26.04 : Suricata + Elastic Stack + Kibana</title>
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					<description><![CDATA[Prerequisites This time, we will install Suricata IDS and ElasticStack on the following server.・First Server　S [&#8230;]]]></description>
		
		
		
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		<title>Ubuntu Server26.04 : MySQL8 , WordPress Install</title>
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		<pubDate>Sat, 25 Apr 2026 01:18:06 +0000</pubDate>
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					<description><![CDATA[1. MySQL8 1. 1 Install Version Check 1.2. Setting the root password for MySQL8 1.3. MySQL Server Security Sett [&#8230;]]]></description>
		
		
		
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		<title>Ubuntu Server26.04 : Web server, Mail server SSL conversion (Let&#039;s Encrypt)</title>
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		<pubDate>Sat, 25 Apr 2026 00:26:56 +0000</pubDate>
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					<description><![CDATA[1. Obtain a certificate(Let's Encrypt) 1.1 advance preparation 1.Enable mod_ssl 2.Package management system Sn [&#8230;]]]></description>
		
		
		
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		<title>Ubuntu Server26.04 : Anti-Virus(Clamav) , Mail Server</title>
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		<pubDate>Fri, 24 Apr 2026 06:17:28 +0000</pubDate>
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					<description><![CDATA[1.Anti-virus software Clamav installed 1.1 Install The clamav-related configuration files are installed in the [&#8230;]]]></description>
		
		
		
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		<title>Ubuntu Server26.04 : WEB Server(Apache)</title>
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		<pubDate>Fri, 24 Apr 2026 05:30:35 +0000</pubDate>
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					<description><![CDATA[Apache2 Allow http:80 port and https:443 port in UFW first. 1. Apache2 Install 2. Apache2 Basic Settings Apach [&#8230;]]]></description>
		
		
		
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		<title>Ubuntu Server26.04 : FTP(Vsftpd) , Samba Install</title>
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		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 24 Apr 2026 04:43:07 +0000</pubDate>
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					<description><![CDATA[FTP Server 1. Vsftpd Installation and configuration ①Install ②Allow PORT 21 at UFW ③Configuration File Changes [&#8230;]]]></description>
		
		
		
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		<title>Ubuntu Server26.04 : SSH connection with authentication using public key cryptography</title>
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		<dc:creator><![CDATA[nuy]]></dc:creator>
		<pubDate>Fri, 24 Apr 2026 03:47:10 +0000</pubDate>
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					<description><![CDATA[SSH connection using authentication with public-key cryptography  Creation of public and private key pairs Cre [&#8230;]]]></description>
		
		
		
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