Installation guide for OxOffice Online v4 Community on Ubuntu 20.04 in PVE LXC

Please download "ubuntu-20.04-standard" LXC template on your PVE first 
 
 You can see Ubuntu 20.04 LXC template in "CT templates" section 
 
 Create a new CT using "Create CT" button 
 
 
 Start created CT, login as root and excute following commands to install needed programs and OxOOL Community edition: 
 apt update
apt upgrade -y
apt install vim openssh-server net-tools curl gnupg2 wget -y
# Chooese yes if you get any service restarting prompts
curl http://www.oxoffice.com.tw/deb/OSSII.key | sudo apt-key add
cd /etc/apt/sources.list.d/
wget http://www.oxoffice.com.tw/deb/oxool-community-v4-focal.list
apt update
apt install oxool -y
 
 Start OxOOL Community edition service when booting and reboot 
 systemctl enable oxool
reboot
 
 Check if OxOOL Community edition starts normally 
 netstat -tlnp
 
 You should get some results like this: 
 tcp6 0 0 :::9980		 :::* 	LISTEN 644/oxool
 
 P. S. When steps above are finished, you can use "More"→"Convert to template" to generate new LXC template that contains OxOOL Community edition.