MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

spalladino

# 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

dypsilon

Docker

• Resource Collections
  • Valuable Docker Links
  • awesome-docker
• Tutorials
  • Easily Deploy Redis Backed Web Apps With Docker
  • Production Quality MongoDB Setup with Docker
  • Creating a MySQL Docker Container
• Opinions

henrik

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

wdullaer

# 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"

ianchen06

# source: https://forum.proxmox.com/threads/removing-deleting-a-created-cluster.18887/
#/bin/sh
# stop service
systemctl stop pvestatd.service
systemctl stop pvedaemon.service
systemctl stop pve-cluster.service
systemctl stop corosync
systemctl stop pve-cluster

# edit through sqlite, check, delete, verify

ssmythe

======
Videos
======

DevOps

  What is DevOps? by Rackspace - Really great introduction to DevOps
    https://www.youtube.com/watch?v=_I94-tJlovg

  Sanjeev Sharma series on DevOps (great repetition to really get the DevOps concept)

syafiqfaiz

1. Change your database RDS instance security group to allow your machine to access it.
   • Add your ip to the security group to acces the instance via Postgres.
2. Make a copy of the database using pg_dump
   • $ pg_dump -h <public dns> -U <my username> -f <name of dump file .sql> <name of my database>
   • you will be asked for postgressql password.
   • a dump file(.sql) will be created
3. Restore that dump file to your local database.
   • but you might need to drop the database and create it first
   • $ psql -U <postgresql username> -d <database name> -f <dump file that you want to restore>

• the database is restored

SergeantSod

#### Contents of the preconfiguration file (for squeeze)
### Localization
# Preseeding only locale sets language, country and locale.
#d-i debian-installer/locale string en_US

# The values can also be preseeded individually for greater flexibility.
d-i debian-installer/language string en
d-i debian-installer/country string DE
d-i debian-installer/locale string en_US.UTF-8
# Optionally specify additional locales to be generated.