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CentOS Stream 9
Ubuntu 24.04 LTS
Ubuntu 22.04 LTS
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VMware ESXi 8
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FreeBSD 14
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CentOS Stream 8
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Ubuntu 23.04
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CentOS Stream 9
Install / Initial Config
Download / Install
(01) Download CentOS Stream 9
(02) Install CentOS Stream 9
Initial Settings
(01) Add User Accounts
(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
(09) Set SPF record
(10) Set DMARC record
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 Squid
(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) CephFS + NFS-Ganesha
(08) Add or Remove OSDs
(09) Add or Remove Monitors
(10) Cephadm #1 Configure Cluster
(11) Cephadm #2 Configure Cluster
GlusterFS 11
(01) Install GlusterFS
(02) Distributed Configuration
(03) GlusterFS Client
(04) GlusterFS + NFS-Ganesha
(05) GlusterFS + SMB
(06) GlusterFS Geo Replication
(07) Set Quota
(08) Add Nodes (Bricks)
(09) Remove Nodes (Bricks)
(10) Replication Configuration
(11) Distributed + Replication
(12) Dispersed Configuration
Ceph Pacific
Ceph Quincy
Ceph Reef
GlusterFS 9
GlusterFS 10
Virtualization
KVM
(01) Install KVM
(02) Create Virtual Machine
(03) Create Virtual Machine (GUI)
(04) Basic Operation for VM
(05) Install Management Tools
(06) Set VNC connection
(07) Set VNC connection (Client)
(08) Nested KVM Setting
(09) Live Migration
(10) Storage Migration
(11) UEFI boot for VM
(12) Enable TPM 2.0
(13) GPU Passthrough
(14) Use VirtualBMC
oVirt 4.5
(01) Configure Admin Node
(02) Web Admin Portal
(03) Add Compute Nodes
(04) Add Data Domains
(05) Upload ISO Images
(06) Create Virtual Machines
VirtualBox
(01) Install VirtualBox
(02) Create Virtual Machine
(03) Install GuestAdditions
(04) Create Virtual Machine (GUI)
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) Display Container usage
Buildah
(01) Install Buildah
(02) Create images from Scratch
CodeReady Containers
(01) Installl CodeReady Containers
(02) Deploy Applications
OKD 4
(01) Install #1
(02) Install #2
(03) Install #3
(04) Add Compute Nodes
(05) Access to Web Console
(06) Configure Identity Provider
(07) Login to Cluster
(08) Configure Image Registry
(09) Configure Image Registry : NFS
(10) Deploy Applications
(11) Identity Provider : LDAP
(12) Identity Provider : Keystone
Minikube
(01) Install Minikube
(02) Minikube Basic Usage
Kubernetes
MicroK8s
Docker CE
Cloud Compute
OpenStack Dalmatian
(01) Dalmatian 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) Add Flavors
(15) Create Instances
(16) Create Instances (Windows)
(17) Configure Horizon
(18) Add Compute Nodes
(19) Conf Neutron (Control Node)
(20) Conf Neutron (Network Node)
(21) Conf Neutron (Compute Node)
(22) Neutron Network (FLAT)
(23) Neutron Network (VXLAN)
(24) Conf Neutron OVN (Network)
(25) Conf Neutron OVN (Compute)
(26) Neutron Network (Geneve)
(27) Add Compute Nodes (GPU)
(28) Conf Cinder (Control Node)
(29) Conf Cinder (Storage Node)
(30) Cinder Storage (LVM)
(31) Cinder Storage (NFS)
(32) Cinder Storage (Multi-Back)
(33) Cinder Backup Service
(34) Configure Heat (Control Node)
(35) Configure Heat (Network Node)
(36) How to use Heat
(37) Configure Barbican
(38) How to use Barbican
(39) Configure Swift (Control Node)
(40) Configure Swift (Proxy Node)
(41) Configure Swift (Storage Node)
(42) How to use Swift
(43) Conf Manila (Control Node)
(44) Conf Manila (Storage Node)
(45) Use Manila (Local Device)
(46) Conf Designate (Control Node)
(47) Conf Designate (Network Node)
(48) How to use Designate
(49) Conf Octavia (Control Node)
(50) Conf Octavia (Network Node)
(51) Create LoadBalancer Image
(52) How to use Octavia
(53) Configure Gnocchi
(54) Conf Ceilometer (Network)
(55) Conf Ceilometer (Compute)
(56) How to use Ceilometer (Nova)
(57) How to use Ceilometer (Glance)
(58) How to use Ceilometer (Cinder)
(59) Configure CloudKitty
(60) How to use CloudKitty
(61) Install OpenStack Rally
(62) Conf Trove (Control Node)
(63) Conf Trove (Network Node)
(64) How to use Trove
OpenStack Caracal
OpenStack Bobcat
OpenStack Antelope
OpenStack Zed
OpenStack Yoga
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
OpenLDAP
(01) Configure LDAP Server
(02) Add User Accounts
(03) Configure LDAP Client
(04) OpenLDAP Replication
(05) Multi-Master Replication
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) Basic Authentication + PAM
(10) Basic Authentication + LDAP
(11) Configure mod_http2
(12) Configure mod_md
(13) Configure mod_wsgi
(14) Configure mod_perl
(15) Configure mod_security
(16) Configure mod_proxy
(17) Configure mod_ratelimit
(18) Blog System : WordPress
(19) Web Mail : RoundCube
(20) Photo Gallery : Piwigo
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
(10) Use Stream module
Database
PostgreSQL 13
PostgreSQL 15
PostgreSQL 16
(01) Install PostgreSQL
(02) Settings for Remote Connection
(03) PostgreSQL over SSL/TLS
(04) Backup and Restore
(05) Streaming Replication
MariaDB 10.5
MariaDB 10.11
(01) Install MariaDB
(02) MariaDB over SSL/TLS
(03) MariaDB Backup
(04) MariaDB Replication
(05) MariaDB Galera Cluster
(06) Install phpMyAdmin
InfluxDB
(01) Install InfluxDB
(02) Basic User Management
(03) Basic Database Management
(04) Set Retention Policy
(05) Enable HTTPS
(06) Backup and Restore
(07) Install Telegraf
(08) Visualize with Grafana
Redis 6
(01) Install Redis
(02) Basic Operation for Server
(03) Basic Operation for Database
(04) SSL/TLS Setting
(05) Redis Replication
(06) Configure Redis Sentinel
(07) Use Redis Benchmark
(08) Use on Python
(09) Use on PHP
SQL Server 2022
(01) Install SQL Server 2022
(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 Ruby
(09) Use from C#
(10) Windows Authentication
(11) Always On Availability Group
(12) Failover Cluster Instance
MySQL 8.0
FTP / Samba / Mail
FTP Server
(01) Install Vsftpd
(02) Install ProFTPD
(03) FTP Client : CentOS
(04) FTP Client : Windows
(05) Vsftpd over SSL/TLS
(06) 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) Set SPF Checking
(11) Set DKIM
(12) Set DMARC Checking
Proxy / Load Balance
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
(06) ACL Settings
(07) ACL Settings (L4)
Monitoring
Prometheus
(01) Install Prometheus
(02) Enable Auth and HTTPS
(03) Add Monitoring Target
(04) Add Monitoring Target (Win)
(05) Set Alert Notification (Email)
(06) Visualize on Grafana
(07) Set Blackbox exporter
Zabbix 6.0 LTS
Zabbix 7.0 LTS
(01) Install Zabbix 7.0 LTS
(02) Initial Setup
(03) Change Admin Password
(04) Set Monitoring Target Host
(05) Notification Setting
(06) Add Monitoring Target (CentOS)
(07) Add Monitoring Target (Win)
(08) Add Monitoring Target Item
(09) Configure Zabbix Proxy
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)
NetData
(01) Install NetData
SysStat
(01) Install SysStat
(02) How to use
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
Psacct
- Process Accounting
RKHunter
- Detect Rootkit
Lynis
- Security Audit
OpenSCAP
- Security Audit
AIDE
- Host Based IDS
Fail2Ban
- Intrusion Prevention
Faillock
- Account Lock
Pwquality
- Password Rules
Clamav
- AntiVirus
ACL
- Access Control List
Nftables
(01) Enable Service
(02) Nftables Basic Operation
Firewalld
(01) Firewalld Basic Operation
(02) IP Masquerade
Lang / Development
PHP
(01) Install PHP 8.0
(02) Install PHP 8.1
(03) Install PHP 8.2
(04) Install Laravel
(05) Install CakePHP
JavaScript / TypeScript
(01) Install Node.js 16
(02) Install Node.js 18
(03) Install Node.js 20
(04) Install Angular 14
(05) Install React
(06) Install Next.js
(07) Node.js + TypeScript
Python
(01) Install Python 3.9
(02) Install Python 3.11
(03) Install Python 3.12
(04) Install Django 4
LLM / LDM
Install Ollama
Install Open WebUI
Install Stable Diffusion
Install Stable Video Diffusion
Install llama.cpp
Install llama-cpp-python
Install llama-cpp-python (GPU)
TensorFlow
(01) Install TensorFlow 2
(02) Setup GPU Support
(03) TensorFlow Docker (CPU)
(04) TensorFlow Docker (GPU)
NVIDIA
(01) Install Graphic Driver
(02) Install Container Toolkit
(03) Install NVIDIA HPC SDK
(04) Install CUDA 11.7
(05) Install CUDA 12.2
Go
Rust
.NET
Ruby
(01) Install Ruby 3.0
(02) Install Ruby 3.1
(03) Install Ruby 3.3
(04) Install Ruby on Rails 7
Java
(01) Install OpenJDK 8
(02) Install OpenJDK 11
(03) Install OpenJDK 17
(04) Install Tomcat 10
(05) Install Jenkins
Desktop / Others
Others
Configure Network Teaming
Configure Network Bonding
Check Network Bandwidth
Join in Active Directory Domain
Reset root Password
Create SSL Certificate (Self Sign)
Get SSL Certificate (Let's Encrypt)
Change Run-Level
Set System Timezone
Set Keymap
Set System Locale
Set Hostname
Desktop Environment
(01) GNOME Desktop Environment
(02) KDE Desktop Environment
(03) Configure VNC Server
(04) Configure Xrdp Server
(05) VNC Client : noVNC
Configure RAID 1
Set Disk Quota
Display Disk Settings info
Configure DNF/Yum Local Mirror
GitLab
- DevOps Platform
Redmine
- Project Manage
PowerShell
- CommandLine Shell
Usermin
- System Manage
Webmin
- System Manage
Grafana
- Web Dashboard
Snappy
- Package Manage
Rsyslog
- Log Manage
Journald
- Log Manage
Lsync
- File Sync
Rsync
- File Sync
Others #2
ElasticStack
- Search Engine++
(01) Install Elasticsearch
(02) Elasticsearch Cluster
(03) Install Kibana
(04) Install Metricbeat
(05) Install Packetbeat
(06) Install Filebeat
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 on Python
(04) Use on PHP
(05) Use on Perl
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
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
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
Puppet
- Config Manage
(01) Install Puppet
(02) file Resource
(03) package Resource
(04) service Resource
(05) group Resource
(06) user Resource
(07) exec Resource
(08) node Section
(09) class Section
(10) facter Variable
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)
(09) Install Ansible AWX
(10) AWX : Add Inventories
(11) AWX : Add Credentials
(12) AWX : Add Projects
(13) AWX : Add Job Templates
(14) AWX : Run Jobs
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
(07) Configure GFS2 Filesystem
(08) Add or Remove Nodes
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)
NextCloud
- Cloud Storage
(01) Install NextCloud
(02) Add User Accounts
(03) Upload Files
(04) Use Office Apps
(05) Access via WebDAV
(06) Access via Desktop Client
(07) Chat / Talk / Screen Share
(08) Use Mail
(09) Use Calendar
(10) Use Address Book
(11) Use External Storage
(12) Active Directory Integration
LVM
- LVM Manage
(01) Manage Physical Volumes
(02) Manage Volume Groups
(03) Manage Logical Volumes
(04) Configure Mirroring Volumes
(05) Configure Striped Volumes
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Commands Help
Command :
Back to index
id - Print information for USERNAME, or the current user.
[SYNOPSIS] id USER
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