quick linux setup

quick_linux_setup.sh

useradd -m -d /home/iwa -s /bin/bash iwa
mkdir /home/iwa/.ssh
curl -s https://api.github.com/users/ianatha/keys | grep '"key"' | grep --color=never -o "ssh-rsa .*[^\"]" > /home/iwa/.ssh/authorized_keys
chmod 0700 /home/iwa/.ssh
chmod 0600 /home/iwa/.ssh/authorized_keys
chown -R iwa:iwa /home/iwa/.ssh
usermod -a -G sudoers iwa || usermod -a -G sudo iwa || usermod -a -G wheel iwa
passwd iwa

curl -fsSL https://tailscale.com/install.sh | sh
tailscale up

curl -fsSL https://apt.releases.hashicorp.com/gpg | apt-key add -
apt-add-repository "deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main"
apt-get update && apt-get install consul nomad -y

tee /etc/consul.d/consul.hcl <<EOF
[...]
EOF

mv /etc/nomad /etc/nomad.d
tee /etc/nomad.d/client.hcl <<EOF
[...]
EOF

tee /etc/systemd/system/consul.service <<EOF
[Unit]
Description=Consul
Documentation=https://www.consul.io/

[Service]
ExecStart=/usr/bin/consul agent -config-dir=/etc/consul.d/
ExecReload=/bin/kill -HUP $MAINPID
LimitNOFILE=65536

[Install]
WantedBy=multi-user.target
EOF

tee /etc/systemd/system/nomad.service <<EOF
[Unit]
Description=Nomad
Documentation=https://www.nomadproject.io/docs/
Wants=network-online.target
After=network-online.target
Wants=consul.service
After=consul.service

[Service]
ExecReload=/bin/kill -HUP $MAINPID
ExecStart=/usr/bin/nomad agent -config /etc/nomad.d
KillMode=process
KillSignal=SIGINT
LimitNOFILE=65536
LimitNPROC=infinity
Restart=on-failure
RestartSec=2
TasksMax=infinity
OOMScoreAdjust=-1000

[Install]
WantedBy=multi-user.target
EOF

systemctl enable consul
systemctl start consul
systemctl enable nomad
systemctl start nomad