trankimvu

#!/bin/sh
# Cleanup docker files: untagged containers and images.
#
# Use `docker-cleanup -n` for a dry run to see what would be deleted.

untagged_containers() {
    # Print containers using untagged images: $1 is used with awk's print: 0=line, 1=column 1.
    # NOTE: "[0-9a-f]{12}" does not work with GNU Awk 3.1.7 (RHEL6).
    # Ref: https://github.com/blueyed/dotfiles/commit/a14f0b4b#commitcomment-6736470
    docker ps -a | tail -n +2 | awk '$2 ~ "^[0-9a-f]+$" {print $'$1'}'

trankimvu

1. Download docker-compose.yml to dir named sentry
2. Change SENTRY_SECRET_KEY to random 32 char string
3. Run docker-compose up -d
4. Run docker-compose exec sentry sentry upgrade to setup database and create admin user
5. (Optional) Run docker-compose exec sentry pip install sentry-slack if you want slack plugin, it can be done later
6. Run docker-compose restart sentry
7. Sentry is now running on public port 9000

• https://docs.docker.com/compose/compose-file/#env_file

trankimvu

# start
sudo launchctl load /Library/LaunchDaemons/org.jenkins-ci.plist

# stop
sudo launchctl unload /Library/LaunchDaemons/org.jenkins-ci.plist

trankimvu

# Ask for the user password
# Script only works if sudo caches the password for a few minutes
sudo true

# Install kernel extra's to enable docker aufs support
# sudo apt-get -y install linux-image-extra-$(uname -r)

# Add Docker PPA and install latest version
# sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
# sudo sh -c "echo deb https://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list"

trankimvu

# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE

trankimvu

# Short script to quick create swapfile on ubuntu

sudo fallocate -l 4G /swapfile && \
sudo chmod 600 /swapfile && \
sudo mkswap /swapfile && \
sudo swapon /swapfile

trankimvu

truncate -s 0 /var/lib/docker/containers/*/*-json.log

trankimvu

#!/bin/bash

# Remote all exited container
docker rm $(docker ps -q -f status=exited)

# Remote none tag images (image with tag <none>)
docker images | grep "<none>" | awk '{print $3}' |xargs docker rmi -f

# Remove all images that is not using by any running container
# note: docker ps --format {{.Image} -> List all images of running container then set it as grep pattern

trankimvu

Debug your PHP in Docker with Intellij/PHPStorm and Xdebug

1. For your local dev, create a Dockerfile that is based on your production image and simply install xdebug into it. Exemple:

FROM php:5

RUN yes | pecl install xdebug \
    && echo "zend_extension=$(find /usr/local/lib/php/extensions/ -name xdebug.so)" > /usr/local/etc/php/conf.d/xdebug.ini \

trankimvu

Google Docs Viewer

Only files under 25 MB can be previewed with the Google Drive viewer.

Google Drive viewer helps you preview over 16 different file types, listed below:

• Image files (.JPEG, .PNG, .GIF, .TIFF, .BMP)
• Video files (WebM, .MPEG4, .3GPP, .MOV, .AVI, .MPEGPS, .WMV, .FLV)
• Text files (.TXT)
• Markup/Code (.CSS, .HTML, .PHP, .C, .CPP, .H, .HPP, .JS)
• Microsoft Word (.DOC and .DOCX)