How To Speed Up Your Raspberry Pi Docker Host Easily?

#RaspberryPi #Docker #HomeServer

Running Docker containers on a Raspberry Pi? Cool! Running Docker containers off of an SD card and with low memory? Not cool! Let's see, what can we about speeding things up WITHOUT having to rebuild/reinstall your host.

Commands used in the video:

1) Storage creation:
* ls -l /dev/disk/by-uuid/
* sudo mkdir /media/storage
* sudo nano /etc/fstab
* sudo reboot
* sudo service docker stop
* sudo mv /var/lib/docker /media/storage/
* ln -s /media/storage/docker /var/lib/docker
* sudo service docker start
* docker stats

Template for extending /etc/fstab:
UUID=* /media/storage ext4 defaults,user,noatime,errors=remount-ro 0 2

2) Adding Swap / Virtual memory:
* sudo swapoff -a
* sudo dd if=/dev/zero of=/media/storage/swapfile bs=1G count=4
* sudo mkswap /media/storage/swapfile
* sudo swapon /media/storage/swapfile

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