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General

If you want to see KVM/QEMU on VMHost with Libvirt client you can use libvirt-clients

Install Libvirt Clients

apt install -y libvirt-clients

Remote Command

Assume UUIDVM result from virsh list & 192.168.2.13 are Server HOST. for Remote Virsh make sure TCP port 16509 are open.

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General

If you want to create an mountpoint with Volume Group you can follow this step.

Topology

Case

• We have 2 disk (/dev/sdb & /dev/sdc)
• We want to combine that 2 disk to one Mountpoint (/mnt)
• We want to dynamicly extend that disk if we have a new disk

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Installation DNS Server with BIND9

Environment

Ubuntu 20.04 Server LTS
BIND9

Node Description

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Expose your local VM with VPN

If you want to have an Public IP address, you can have two technique :

• Reserved Public IP (High Cost)
• Reserved public VPS (Lower Cost)

Markdown :

• This Markdown will be sharing about Reserved public VPS Technique to have an Public IP on our Local VM.
• This tutorial will make public ip on public vps that points to local VM.

Environment

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General

If you need dhclient spesific interface every VM booting you can try this workaround

Workaround

for Example spesific interface on this workaround are ens18

• Create this script

sudo nano /etc/init.d/dhclient-ens18

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# Install tmux 2.8 on Centos

# install deps
yum install gcc kernel-devel make ncurses-devel

# cd src
cd /usr/local/src

# DOWNLOAD SOURCES FOR LIBEVENT AND MAKE AND INSTALL
curl -LO https://github.com/libevent/libevent/releases/download/release-2.1.8-stable/libevent-2.1.8-stable.tar.gz

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Multi Port Reverse Proxy on Nginx Configuration

This tutorial are suitable for you if you want to reverse multi endpoint with one domain different port.

Goals

• You can access on localhost:8443 to access localhost:9200
• You can access on localhost:8442 to access localhost:5601

Configuration

nano /etc/nginx/sites-enabled/default

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Reference

• https://www.redhat.com/sysadmin/setting-reverse-proxies-nginx
• https://datawookie.dev/blog/2021/08/websockify-novnc-behind-an-nginx-proxy/

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General

PowerCLI for VMware

Installation (tested on Windows10)

## Install Online (Run Powershell as Administrator)
Install-Module VMware.PowerCLI -Scope CurrentUser
Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope LocalMachine
Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false
 

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How to configure static website using Nginx with MinIO ?

1. Install nginx

2. Install minio

3. Install mc client

• Add Minio

mc config host add <ALIAS> <YOUR-S3-ENDPOINT> <YOUR-ACCESS-KEY> <YOUR-SECRET-KEY>
mc config host list