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  position: relative;
  margin-top: 50%;
  transform: translateY(-50%);


  /* Mixin --> not tested */
@mixin vertical-align($position: relative) {
    position: $position;
    top: 50%;
    -webkit-transform: translateY(-50%);

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SDKMAN! (The Software Development Kit Manager)
Atom
https://robomongo.org
Termius

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pbcopy < ~/.ssh/id_rsa.pub

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visudo /etc/sudoers
# for a user
<USER> ALL=(ALL) NOPASSWD: ALL
# for a group
%<GROUP> ALL=(ALL) NOPASSWD: ALL

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find / -name logstash

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service --status-all

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:1,$d

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library("rredis")
redisConnect()
redisSet("key","value")
redisGet("key")

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.parent {
  display: flex;
}

.child {
 	align-self: end; 
}

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cd / &&
sudo apt-get update -y  &&
sudo apt-get dist-upgrade -y &&
sudo apt-get autoclean -y &&
sudo apt-get autoremove -y