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CentOS Stream 8
CentOS 7
Fedora 34
Fedora 33
Debian 10
Debian 9
Ubuntu 21.04
Ubuntu 20.04 LTS
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Windows Server 2019
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Windows Server 2012 R2
Other Tips
Commands Help
CentOS 8
CentOS 6
CentOS 5
Ubuntu 19.04
Ubuntu 17.04
Ubuntu 16.04 LTS
Ubuntu 15.04
Ubuntu 14.04 LTS
Ubuntu 13.04
Ubuntu 12.04 LTS
Ubuntu 11.04
Ubuntu 10.04 LTS
SUSE Enterprise 15
SUSE Enterprise 12
SUSE Enterprise 11
Debian 8
Debian 7
Debian 6
Fedora 32
Fedora 31
Fedora 30
Fedora 29
Fedora 31
Fedora 30
Fedora 29
Fedora 28
Fedora 27
Fedora 26
Fedora 25
Fedora 24
Fedora 23
Fedora 22
Fedora 21
Fedora 20
Fedora 19
Fedora 18
Fedora 17
Fedora 16
Fedora 15
Fedora 14
Fedora 13
Fedora 12
Fedora 11
Fedora 10
Scientific 6
Privacy Policy
Links/Contact
Lang/English
Lang/Japanese
11582 / 89756182
CentOS 8
Install / Initial Config
Download / Install
(01) Download CentOS 8
(02) Install CentOS 8
Initial Settings
(01) Add Common Users
(02) Firewall and SELinux
(03) Network Settings
(04) Enable or Disable Services
(05) Update CentOS System
(06) Use Moduler Repository
(07) Add Additional Repositories
(08) Use Web Admin Console
(09) Vim Settings
(10) Sudo Settings
NTP / SSH Server
NTP Server
(01) Configure NTP Server
(02) Configure NTP Client
SSH Server
(01) Password Authentication
(02) SSH File Transfer (CentOS)
(03) SSH File Transfer (Windows)
(04) SSH Keys Pair Authentication
(05) SFTP only + Chroot
(06) Use SSH-Agent
(07) Use SSHPass
(08) Use SSHFS
(09) SSH Port Forwarding
(10) Use Parallel SSH
DNS / DHCP Server
DNS/DHCP Server (Dnsmasq)
(01) Configure Dnsmasq
(02) Configure 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) Configure Chroot Environment
(08) Configure Secondary Server
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
(02) Configure iSCSI Initiator
Ceph Nautilus
Ceph Octopus
(01) Configure Ceph Cluster #1
(02) Configure Ceph Cluster #2
(03) Use Block Device
(04) Use File System
(05) Ceph Object Gateway
(06) Enable Dashboard
(07) Add or Remove OSDs
(08) CephFS + NFS-Ganesha
(09) Cephadm #1 Configure Cluster
(10) Cephadm #2 Configure Cluster
GlusterFS 6
GlusterFS 7
GlusterFS 8
(01) Install GlusterFS
(02) Distributed Configuration
(03) GlusterFS Client
(04) GlusterFS + NFS-Ganesha
(05) GlusterFS + SMB
(06) Set Quota
(07) Add Nodes (Bricks)
(08) Remove Nodes (Bricks)
(09) Replication Configuration
(10) Distributed + Replication
(11) Dispersed Configuration
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 SPICE Server
(07) Configure SPICE Client
(08) Nested KVM Setting
(09) Live Migration
(10) Storage Migration
(11) UEFI boot for VM
(12) GPU Passthrough
Ovirt 4.4
(01) Configure Admin Node
(02) Web Admin Portal
(03) Add Compute Nodes
(04) Add ISO Domains
(05) Create Virtual Machines
VirtualBox
(01) Install VirtualBox
(02) Create Virtual Machine
(03) Install GuestAdditions
(04) Create Virtual Machine (GUI)
VMware Workstation Player
(01) Install VMware Player
(02) Create Virtual Machines
(03) Nested Virtualization
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 Command
(10) Create Pods
(11) Use by common users
MicroK8s
(01) Install MicroK8s
(02) Deploy Pods
(03) Add Nodes
(04) Enable Dashboard
(05) Enable Storage
(06) Enable Registry
(07) Enable Fluentd
(08) Enable Prometheus
Buildah
(01) Install Buildah
(02) Create Images from Scratch
Minikube
(01) Install Minikube
(02) Minikube Basic Usage
Docker CE
(01) Install Docker
(02) Add Container images
(03) Access to Container Services
(04) Use Dockerfile
(05) Use External Storage
(06) Use External Storage (NFS)
(07) Use Docker Compose
(08) Use Registry
(09) Docker Network Basis
(10) Allow docker to common users
(11) Docker Swarm Cluster
Cloud Compute
OpenStack Victoria
(01) Victoria Overview
(02) Pre-Requirements
(03) Configure Keystone #1
(04) Configure Keystone #2
(05) Configure Glance
(06) Add VM Images
(07) Configure Nova #1
(08) Configure Nova #2
(09) Configure Nova #3
(10) Configure Neutron #1
(11) Configure Neutron #2
(12) Configure Networking
(13) Add new Users
(14) Create Instances
(15) Configure Horizon
(16) Add Compute Nodes
(17) Conf Neutron (Control Node)
(18) Conf Neutron (Network Node)
(19) Conf Neutron (Compute Node)
(20) Neutron Network (FLAT)
(21) Neutron Network (VXLAN)
(22) Conf Cinder (Control Node)
(23) Conf Cinder (Storage Node)
(24) Use Cinder Storage (LVM)
(25) Use Cinder Storage (NFS)
(26) Use Cinder Storage (Multi-Back)
(27) Configure Cinder Backup
(28) Configure Swift (Control Node)
(29) Configure Swift (Network Node)
(30) Configure Swift (Storage Node)
(31) How to use Swift
(32) Configure Heat (Control Node)
(33) Configure Heat (Network Node)
(34) How to use Heat
(35) Configure Barbican
(36) How to use Barbican
(37) Conf Manila (Control Node)
(38) Conf Manila (Storage Node)
(39) How to use Manila (Device)
(40) Conf Designate (Control Node)
(41) Conf Designate (Network Node)
(42) How to use Designate
(43) Conf Trove (Control Node)
(44) Conf Trove (Network Node)
(45) How to use Trove
(46) OpenStack Rally
(47) Configure Gnocchi
(48) Conf Ceilometer (Control)
(49) Conf Ceilometer (Compute)
(50) How to use Ceilometer(Nova)
(51) How to use Ceilometer(Glance)
(52) How to use Ceilometer(Cinder)
(53) Conf Neutron OVN (Network)
(54) Conf Neutron OVN (Compute)
(55) Neutron Network (Geneve)
(56) Conf Octavia (Control Node)
(57) Conf Octavia (Network Node)
(58) Create LoadBalancer Image
(59) How to use Octavia
OpenStack Ussuri
Directory Server
FreeIPA
(01) Configure FreeIPA Server
(02) Add User Accounts
(03) Configure FreeIPA Client
(04) Configure FreeIPA Client #2
(05) User Accounts Management
(06) Web Admin Console
(07) FreeIPA Replication
(08) FreeIPA trust Active Directory
NIS
(01) Configure NIS Server
(02) Configure NIS Client
(03) Configure NIS Secondary Server
Web Server
Apache httpd
(01) Install httpd
(02) Configure Virtual Hostings
(03) Configure SSL/TLS
(04) Enable Userdir
(05) Use CGI Scripts
(06) Use PHP Scripts
(07) Basic Authentication
(08) Configure WebDAV Folder
(09) Configure mod_http2
(10) Configure mod_wsgi
(11) Configure mod_perl
(12) Configure mod_proxy
(13) Configure mod_proxy_wstunnel
(14) Configure mod_security
(15) Configure mod_ratelimit
(16) Configure mod_md
(17) Configure mod_authnz_pam
(18) Configure mod_ldap
(19) Log Report : AWStats
(20) Blog System : WordPress
Nginx
(01) Install Nginx
(02) Configure Virtual Hostings
(03) Configure SSL/TLS
(04) Enable Userdir
(05) Basic Authentication
(06) Use CGI Scripts
(07) Use PHP Scripts
(08) Nginx Reverse Proxy
(09) Nginx Load Balancing
Database
PostgreSQL 12
(01) Install PostgreSQL
(02) Settins for Remote Connection
(03) PostgreSQL over SSL/TLS
(04) Streaming Replication
MySQL 8.0
(01) Install MySQL
(02) MySQL over SSL/TLS
(03) mysqldump Backup
(04) Use Clone Feature
(05) MySQL Replication
MariaDB 10.3
(01) Install MariaDB
(02) MariaDB over SSL/TLS
(03) MariaDB Backup
(04) MariaDB Replication
(05) MariaDB Galera Cluster
Oracle Database 19c
(01) Pre-Requirements
(02) Install Oracle 19c
(03) Add Oracle Net Listener
(04) Create Database
(05) Create Systemd file
(06) Install from RPM Package
PostgreSQL 10
Redis 5
(01) Install Redis
(02) Basic Operation for Server
(03) Basic Operation for Database
(04) Redis Replication
(05) Configure Redis Sentinel
(06) Use Redis Benchmark
SQL Server 2019
(01) Install SQL Server 2019
(02) Connect from Win Client
(03) T-SQL Basic Usage
(04) Use bcp Utility
(05) SQL Server Agent
(06) Full-Text Search
(07) Use from Python
(08) Use from PHP
(09) Use from Node.js
(10) Use from C#
(11) Always On Availability Group
FTP / Samba / Mail
FTP Server
(01) Install Vsftpd
(02) Install Pure-FTPd
(03) Install ProFTPD
(04) FTP Client : CentOS
(05) FTP Client : Windows
(06) Vsftpd over SSL/TLS
(07) Pure-FTPd over SSL/TLS
(08) ProFTPD over SSL/TLS
Samba
(01) Fully Accessed Shared Folder
(02) Limited Shared Folder
(03) Access to Share from Clients
(04) Samba Winbind
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) Postfix + Clamav + Amavisd
(08) Mail Log Report : pflogsumm
(09) Add Mail User (Virtual User)
(10) Install Mailman
Proxy / Load Balance
Pound
(01) HTTP Load Balancing
(02) SSL/TLS Setting
(03) URL Redirection
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
Monitoring
Prometheus
(01) Install Prometheus
(02) Add Monitoring Target
(03) Set Alert Notification (Email)
(04) Remove Data
(05) Visualize on Grafana
(06) Set Blackbox exporter
Zabbix 4.0 LTS
Zabbix 5.0 LTS
(01) Install Zabbix 5.0 LTS
(02) Initial Setup
(03) Change Admin Password
(04) Set Monitoring Target Host
(05) Set SMTP for Notification
(06) Notification Email Setting
(07) Add Monitoring Target (CentOS)
(08) Add Monitoring Target (Win)
(09) Add Monitoring Target Item
SysStat
(01) Install SysStat
(02) How to use
Cacti
(01) Install Cacti
(02) Setup Cacti
(03) Monitoring Settings
(04) Set Email Notification
(05) Enable Threshold Plugin
(06) Set Threshold
(07) Add Monitoring Target
Nagios
(01) Install Nagios
(02) Notification Email Setting
(03) Set Thresholds
(04) Add Monitoring Target Item
(05) Add Target Host (Ping)
(06) Add Target Host (Services)
(07) Add Target Host (Windows)
NetData
(01) Install NetData
Monitorix
(01) Install Monitorix
(02) Enable Multi-Host
Security
Auditd
(01) Install Auditd
(02) Output Logs to Remote Host
(03) Search Logs with ausearch
(04) Display Logs with aureport
(05) Add Audit Rules
SELinux
(01) SELinux Operating Mode
(02) SELinux Policy Type
(03) SELinux Context
(04) Change Boolean Setting
(05) Change File Type
(06) Change Port Type
(07) Search AVC Logs
(08) Make use of SETroubleShoot
(09) audit2allow Basic Operation
(10) matchpathcon Basic Operation
(11) sesearch Basic Operation
Others
Lynis
- Security Audit
Tripwire
- Host Based IDS
AIDE
- Host Based IDS
RKHunter
- Detect Rootkit
Psacct
- Monitor Activity
Faillock
- Account Lock
Pwquality
- Password Rules
ACL
- Access Control List
Clamav
- AntiVirus
Firewalld
(01) Firewalld Basic Operation
(02) IP Masquerade
Lang / Development
Ruby
(01) Install Ruby 2.5
(02) Install Ruby 2.6
(03) Install Ruby 2.7
(04) Install Ruby on Rails 5
(05) Install Ruby on Rails 6
PHP
(01) Install PHP 7.2
(02) Install PHP 7.3
(03) Install PHP 7.4
.NET Core
(01) Install .NET Core 3.1
(02) Install .NET Core 5.0
JavaScript
(01) Install Node.js 10
(02) Install Node.js 12
(03) Install Node.js 14
Python
(01) Install Python 3.6
(02) Install Python 3.8
(03) Install Python 2.7
(04) Install Django 3
Rust
(01) Install Rust
Go
(01) Install Go
Perl
(01) Install Perl 5.24
(02) Install Perl 5.26
Scala
(01) Install Scala 2.10
TensorFlow
(01) Install TensorFlow 2
(02) Setup with GPU Support
(03) TensorFlow Docker (CPU)
(04) TensorFlow Docker (GPU)
CUDA
(01) Install CUDA 10.1
(02) Install CUDA 11.0
Java
(01) Install OpenJDK 11
(02) Install OpenJDK 8
(03) Install Tomcat 9
Desktop / Others
Others
Check Network Bandwidth
Create SSL Certificate (Self Sign)
Get SSL Certificate (Let's Encrypt)
Reset root Password
Change Run-Level
Set System Timezone
Set Keymap
Set System Locale
Set Hostname
Join in Active Directory Domain
Desktop Environment
(01) GNOME Desktop Environment
(02) Configure VNC Server
(03) Configure Xrdp Server
(04) KDE Desktop Environment
(05) Xfce Desktop Environment
Install NVIDIA Container Toolkit
Install NVIDIA Driver
Configure DNF/Yum Local Mirror
Configure RAID 1
Set Disk Quota
Display Disk Settings info
Convert to CentOS Stream 8
Snappy
- Package Manage
Grafana
- Web Dashboard
Jenkins
- Continuous Delivery
Redmine
- Project Manage
GitLab
- Project Manage
PowerShell
- CommandLine Shell
Lsync
- File Sync
Rsync
- File Sync
Others #2
Bacula
- Backup
(01) Install Bacula
(02) Configure Bacula Componets
(03) Run Backup
(04) Run Restore
(05) Add remote Clients
Memcached
- Memory Cache
(01) Install Memcached
(02) Basic Usage
(03) Use it on Python
(04) Use it on PHP
RabbitMQ
- Message Broker
(01) Install RabbitMQ
(02) Use on Python
(03) Use on PHP
(04) Use on Ruby
(05) Enable Web UI
(06) Use rabbitmqadmin
(07) Configure Cluster
Git
- Revision Control
(01) Install Git
(02) Access to Repos via SSH
(03) Access to Repos via Git
(04) Access to Repos via HTTP
(05) Create Shared Repositories
(06) Install Gitweb
(07) Install Git for Windows
(08) Install TortoiseGit
(09) Use Git-SVN
(10) Gitolite : Install
(11) Gitolite : Add User Accounts
(12) Gitolite : Add Repositories
(13) Gitolite : Access Control
Subversion
- Revision Control
(01) Install Subversion
(02) Remote Access to Repositories
(03) Set Access Permission
(04) HTTP Access to Repositories
(05) Access from Windows Clients
Ansible
- Config Manage
(01) Install Ansible
(02) Ansible Basic Usage
(03) Use Playbook (basic)
(04) Use Playbook (variables)
(05) Use Playbook (when)
(06) Use Playbook (notify)
(07) Use Playbook (include)
(08) Use Playbook (Roles)
PXE Boot
- PXE Server
(01) Configure PXE Server
(02) Network Installation
(03) Network Installation (UEFI)
(04) Kick Start Installation
(05) Diskless Clients
(06) Set static IP address
Pacemaker
- HA Cluster
(01) Install Pacemaker
(02) Set Fence Device
(03) Set LVM Shared Storage
(04) Set Cluster Resource (NFS)
(05) Set Cluster Resource (httpd)
(06) Access to Web GUI
OpenVPN
- VPN Server
(01) Configure VPN Server
(02) Configure VPN Client
WireGuard
- VPN Server
(01) Configure WireGuard Server
(02) Conf WireGuard Client (Cent)
(03) Conf WireGuard Client (Win)
Rsyslog
- Syslog Server
(01) Output Logs to Remote Hosts
(02) Output Logs to Databases
LVM
- LVM Manage
(01) Manage Phisical Volumes
(02) Manage Volume Groups
(03) Manage Logical Volumes
(04) Configure Mirroring Volumes
(05) Configure Striped Volumes
NextCloud
- Cloud Storage
(01) Install NextCloud
(02) Add User Accounts
(03) Upload Files
(04) Access via WebDAV
(05) Access via Desktop Client
(06) Chat / Talk / Screen Share
(07) Use Mail
(08) Use Calendar
(09) Use Address Book
(10) Use External Storage
(11) Active Directory Integration
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