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PopOS (Ubuntu based) Install Related Quirks

APT proxy

sudo vi /etc/apt/apt.conf.d/proxy.conf

#Add the following lines:

Acquire::http::Proxy "http://username:password@proxy-server-ip:8181/";
Acquire::https::Proxy "https://username:password@proxy-server-ip:8182/";

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Docker configuration behind HTTP or HTTPS proxy

Create http-proxy configuration file

sudo mkdir -p /etc/systemd/system/docker.service.d
sudo vi /etc/systemd/system/docker.service.d/http-proxy.conf

Add lines similar to the ones below and save file

[Service]
Environment="HTTP_PROXY=http://proxy.example.com:3128"

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Raspberry Pi - Getting hardware information

cat /proc/cpuinfo                             # CPU info
cat /sys/firmware/devicetree/model            # Model info
cat /proc/version                             # Software info
free -h                                       # RAM Details

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Alfresco on Docker cheatsheet

Create PostgreSQL dump

# find postgresql container ID
sudo  docker ps | grep postgres | awk '{ print $1 }'

# open shell on container (replace container id)
sudo docker exec -it cb96ca00911e /bin/bash

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Adding more than 2TB disk to Windows

Maximum capacity of MBR partition tables is only about 2 terabytes. One can use a drive that's larger than 2 terabytes with MBR, but only the first 2 terabytes of the drive will be used. The rest of the storage on the drive will be wasted.

GPT partition tables offer a maximum capacity of 9.7 zetabytes.

If a new large disk has been added - Use Disk Management or diskpart to initialize disk with GPT and then create a volume.

If disk already has MBR partition tables then follow tests below -

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Adding additional disk in Ubuntu 20.04

Check if disk is physically / virtually added to the system

lshw -C disk

Look for the logical name

e.g.

  *-disk:1
 description: SCSI Disk

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Alfresco ACS deployment (Community) with docker-compose

Getting started

git clone https://github.com/Alfresco/acs-deployment
cd acs-deployment/docker-compose
cp docker-compose.yml docker-compose.yml-orig # save original
cp community-docker-compose.yml docker-compose.yml
docker compose up 
# OR

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Increasing size of partition in Ubuntu 20.04

df -h
vgdisplay
lvdisplay
lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv
lvdisplay
df -h
resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv
df -h

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server {
    listen 80;
    
    root /var/www/html/drupal;

    index index.php index.html index.htm;

    server_name _;

    location / {

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Setting up NodeJS app with NGINX and MongoDB on Ubuntu 20.04

1. Install nvm

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/install.sh | bash
nvm install --lts

2. Install nginx