Starefossen

find . -name 'Dockerfile' -print0 | xargs -0 sed -i -e 's/6.9.1-6/6.9.1-10/g'

Starefossen

# http://www.midwesternmac.com/blogs/jeff-geerling/resizing-virtualbox-disk-image

# Clone the .vmdk image to a .vdi.
vboxmanage clonehd "virtualdisk.vmdk" "new-virtualdisk.vdi" --format vdi
# Resize the new .vdi image (30720 == 30 GB).
vboxmanage modifyhd "new-virtualdisk.vdi" --resize 30720
# Optional; switch back to a .vmdk.
VBoxManage clonehd "cloned.vdi" "resized.vmdk" --format vmdk

Starefossen

On the server with tmux

Create a new tmux session:

tmux new-session -s my-session # launch `top`, `htop`, or anything that will regularly updates, then detach

Stream your session:

Starefossen

gqip

Starefossen

Yank lines 81-91

:81,91y<enter>

If your fingers don't like to find the : and , keys, this would work as well (go to line 81, yank 11 lines)

81gg11yy 

My only use of g is 5gg. To go to the 5th line. 22gg: 22nd line. As jimbo said, it's really only a modifier for some other commands.

Starefossen

docker-machine create --driver virtualbox --virtualbox-cpu-count 2 --virtualbox-memory 4096 --virtualbox-boot2docker-url https://github.com/boot2docker/boot2docker/releases/download/v1.13.1/boot2docker.iso default

Starefossen

FROM ubuntu
MAINTAINER Example McAuthor

RUN apt-get update
RUN apt-get install -y \
  mongodb-10gen

RUN mkdir -p /data/db

EXPOSE 27017

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VERSIONER_PERL_PREFER_32_BIT=1 perl -MMac::InternetConfig -le 'print +(GetICHelper "http")[1]

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{
  "postfix": "Rain",
  "color": "green",
  "data": {
    "value": "🌦"
  }
}

Starefossen

sudo fdesetup authrestart