Ubuntu_25.04 Overview

Get Ubuntu 25.04 ·  Install Ubuntu · 


Initial Settings

(01) Add a user ·  (02) Enable root user ·  (03) Network Settings ·  (04) Configure Services ·  (05) Update System ·  (06) Configure Vim ·  (07) Configure Sudo · 


NTP/SSH Server


NTP Server

(01) Configure NTP Server (NTPsec) ·  (02) Configure NTP Server (Chrony) ·  (03) Configure NTP Client · 


SSH Server

(01) Password Authentication ·  (02) SSH File Transfer (Ubuntu) ·  (03) SSH File Transfer (Windows) ·  (04) SSH Keys Pair Authentication ·  (05) SFTP only + Chroot ·  (06) Use SSH-Agent · 


DNS DHCP Server


DNS Server (BIND)

(01) Configure for Internal Network ·  (02) Configure for External Network ·  (03) Configure Zone Files ·  (04) Verify Resolution ·  (05) Use View Statement ·  (06) Set Alias (CNAME) ·  (07) Set SPF record ·  (08) Set DMARC record ·  (09) Configure Secondary Server ·  (10) DNS over HTTPS (Server) ·  (11) DNS over HTTPS (Client) · 


DHCP Server

(01) Configure DHCP Server ·  (02) Configure DHCP Client · 


Storage Server


NFS

(01) Configure NFS Server ·  (02) Configure NFS Client ·  (03) NFS 4 ACL Tool · 


iSCSI

(01) Configure iSCSI Target(targetcli) ·  (02) Configure iSCSI Target(tgt) ·  (03) Configure iSCSI Initiator · 


Virtualization


KVM

(01) Install KVM ·  (02) Create Virtual Machine ·  (03) Create Virtual Machine (GUI) ·  (04) Basic Operation for VM ·  (05) Install Management tools ·  (06) Configure VNC Connection ·  (07) VNC Connection (Client) ·  (08) Configure Nested KVM · 


Container Platform

Podman ·  (01) Install Podman ·  (02) Add Container Images ·  (03) Access to Container Services ·  (04) Use Dockerfile ·  (05) Use External Storage ·  (06) Use External Storage (NFS) ·  (07) Use Registry ·  (08) Podman Network Basis ·  (09) Use Docker CLI ·  (10) Use Docker Compose ·  (11) Create Pods ·  (12) Use by common users ·  (13) Generate Systemd unit file ·  (14) Container resource usage · 


Buildah

(01) Install Buildah ·  (02) Create images from Scratch · 


Directory Server


OpenLDAP

(01) Configure LDAP Server ·  (02) Add User Accounts ·  (03) Configure LDAP Client ·  (04) LDAP over SSL TLS ·  (05) OpenLDAP Replication · 


Web Server


Apache2

(01) Install Apache2 ·  (02) Configure Virtual Hostings ·  (03) Configure SSL TLS ·  (04) Enable Userdir ·  (05) Use CGI Scripts ·  (06) Use PHP Scripts ·  (07) PHP + PHP-FPM ·  (08) Basic Authentication ·  (09) Configure WebDAV Folder ·  (10) Basic Authentication + PAM ·  (11) Basic Authentication + LDAP ·  (12) Configure mod md · 


Database


PostgreSQL 17

(01) Install PostgreSQL ·  (02) Settins for Remote Connection ·  (03) PostgreSQL over SSL TLS ·  (04) Backup and Restore ·  (05) Streaming Replication ·  (06) Install phpPgAdmin · 


MariaDB 11.4

(01) Install MariaDB ·  (02) MariaDB over SSL TLS ·  (03) MariaDB Backup ·  (04) MariaDB Replication ·  (05) Install phpMyAdmin · 


FTP File Server

FTP Server ·  (01) Install Vsftpd ·  (02) FTP Client (Ubuntu) ·  (03) FTP Client (Windows) ·  (04) Vsftpd over SSL TLS · 


Samba

(01) Fully Accessed Shared Folder ·  (02) Limited Shared Folder ·  (03) Access to Share from Clients ·  (04) Samba Winbind ·  (05) AD DC : Configure DC ·  (06) AD DC : Basic User Manage ·  (07) AD DC : Join in Domain · 


Mail Server

(01) Install Postfix ·  (02) Install Dovecot ·  (03) Add Mail User Accounts ·  (04) Email Client Setting ·  (05) SSL TLS Setting ·  (06) Set Virtual Domain ·  (07) Set SPF Checking ·  (08) Set DKIM ·  (09) Set DMARC Checking ·  (10) Postfix + Clamav + Amavisd ·  (11) Mail Log Report : pflogsumm ·  (12) Add Mail User (Virtual User) · 


Proxy Server


Squid

(01) Install Squid ·  (02) Configure Proxy Clients ·  (03) Set Basic Authentication ·  (04) Configure as a Reverse Proxy · 


HAProxy

(01) HTTP Load Balancing ·  (02) SSL TLS Setting ·  (03) Refer to the Statistics (Web) ·  (04) Refer to the Statistics (CUI) ·  (05) Load Balancing on Layer 4 · 


Desktop Environment

(01) GNOME Desktop Environment ·  (02) KDE Desktop Environment ·  (03) Cinnamon Desktop Environmen ·  (04) Xfce Desktop Environment · 


Others

Create SSL Certificates (Self Sign) ·  Get SSL Certificates (Let's Encrypt) ·  Change System Run-Level ·  Set System Timezone ·  Set System Locale ·  Set Hostname ·  Join in AD Domain ·  Clamav AntiVirus ·  (05) Configure VNC Server ·  (06) Configure Xrdp Server ·