DManavi

How to Clear container logs in docker

After a few months of running your containers, you may need to cleanup the logs. Since these are text logs, after a while, they take a huge amount of hard disk on your host machine. To remove these logs, you can run the command below.

  $ truncate -s 0 $(docker inspect --format='{{.LogPath}}' <your-container-name>)

Let's assume that your container is named 'my-container' so that the command will be

DManavi

Intro

I've start contributing on a closed-source project. The lead developer asked me to use the method below to contribute on this project.

I write this document to help all the people who are new on this method (See below) of contributing on git projects.

Method

1. Fork the project from the upstream repository (I name the base repository, upstream).
2. Clone the forked repository on your local machine.

DManavi

Run these commands to proxy any TCP/UDP connection from host to your container

lxc config device add {your-container-name} {a-simple-name-for-device} proxy listen={host-protocol}:{host-ip}:{host-port} connect={container-protocol}:{container-ip}:{container-port}

Example values

{your-container-name} = web-server {a-simple-name-for-device} = http-80

{host-protocol} = tcp

DManavi

These commands should execute on your "GUEST" OS/Your virtual machine.

If the OS is a linux, run

dd if=/dev/zero of=/var/tmp/bigemptyfile bs=4096k ; rm /var/tmp/bigemptyfile

if the OS is windows