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Export public key

gpg --export [email protected] > my_key.pub 

The file can then be shared to other people.

Export public key in armor ascii format

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ssh-keygen -f key.pub -e -m pem

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ssh-keygen -t rsa -b 4096 -C "[email protected]"

lysender

# Source: https://docs.docker.com/engine/installation/linux/docker-ce/ubuntu/#install-docker-ce

$ sudo apt-get update

$ sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common
  

lysender

openssl genrsa -out server.key 4096
openssl rsa -in server.key -out server.key
openssl req -sha256 -new -key server.key -out server.csr -subj '/CN=localhost'
openssl x509 -req -sha256 -days 365 -in server.csr -signkey server.key -out server.crt

# Create pem
cat server.crt server.key > cert.pem

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eval `ssh-agent -s`
ssh-add ~/.ssh/id_rsa
ssh -A username@hostname

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<input type="radio" name="reminder_ends" ng-value="0" ng-model="settings.attributes.reminder_ends">
<input type="radio" name="reminder_ends" ng-value="1" ng-model="settings.attributes.reminder_ends">

<!-- Where reminder_ends is either 0 or 1 -->

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cd /etc/puppet
sudo puppet apply --modulepath=modules/ manifests/site.pp

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set @num := 0, @type := '';

select type, variety, price
from (
   select type, variety, price,
      @num := if(@type = type, @num + 1, 1) as row_number,
      @type := type as dummy
  from fruits
  order by type, price
) as x where x.row_number <= 2;

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# Short version (nginx is our example)
dpkg -l | grep nginx

# Long version but more reliable
apt-cache policy nginx