Cloud/Shahed/AD

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SSH

ssh -qt shahed@shahed-ad.local bash

cat <<'EXE' | sudo bash
free -th && echo && systemd-analyze && echo
df -h    && echo && lsblk && echo
swapon --show
EXE

WOL

cat <<'EXE'| sudo bash
apt-get update;echo
apt list -a --upgradable;echo
apt-get install -y wakeonlan;echo
EXE

WOL » MAC » Find

WOL_HOST='shahed-an.local'
ping -q -c5 "${WOL_HOST}" >/dev/null
WOL_IPV4="$(getent hosts "${WOL_HOST}"|awk '{print $1}')"
WOL_MACA="$(arp -n "${WOL_IPV4}"|awk 'NR==2 {print $3}')"
printf '\n%s » %s » %s\n' "${WOL_HOST}" "${WOL_IPV4}" "${WOL_MACA}"

WOL » Shahed » AE

wakeonlan 8c:c6:81:94:70:91

WOL » Shahed » AN

wakeonlan 84:47:09:3c:3e:0a
wakeonlan 84:47:09:3c:3e:09

APT Update

cat << EXE | sudo bash
apt-get update;echo
mkdir -p /etc/apt/keyrings
apt list -a --upgradable;apt-get upgrade -y;echo
apt-get install -y apt-transport-https ca-certificates gnupg build-essential snapd jq traceroute
apt-get clean cache && find /tmp -type f -atime +10 -delete && find /tmp -type s -atime +10 -delete
EXE

Swap Space

echo 'swapon --show'|sudo bash
cat <<'EXE' | sudo bash
swapoff /swapfile
swapoff /swap.img
fallocate -l 11G /swap.img
ls -lh /swap.img && mkswap /swap.img
chmod 0600 /swap.img && swapon /swap.img && swapon --show && free -th
EXE

cat << FST | sudo tee -a /etc/fstab >/dev/null

# loop based swap storage » 8GB + 3GB 
/swap.img              none            swap    sw              0       0
FST

free -th
cat /etc/fstab 
echo 'swapon --show'|sudo bash

Utility » Tool

cat << EXE|sudo bash
PLATFORM=\$(uname -s)_\$(dpkg --print-architecture)
YQ_BINARY=\$(echo "yq_\${PLATFORM}"|tr '[:upper:]' '[:lower:]')
wget https://github.com/mikefarah/yq/releases/latest/download/\${YQ_BINARY} -O /usr/bin/yq && chmod +x /usr/bin/yq
EXE

Containerize » LXD

cat << EXE | sudo bash
snap install lxd --channel=6/stable
usermod -aG lxd chorke
usermod -aG lxd shahed
EXE

echo 'id -nG'|sudo -i -u chorke bash
echo 'id -nG'|sudo -i -u shahed bash

cat <<YML | sudo lxd init --preseed
---
config: {}
networks:
- config:
    ipv4.address: 10.20.0.1/24
    ipv4.nat: "true"
    ipv6.address: none
  description: ""
  name: lxdbr0
  type: ""
  project: default
storage_pools:
- config:
    size: 23GiB
  description: ""
  name: lxd-zfs-pool-ad
  driver: zfs
storage_volumes: []
profiles:
- config: {}
  description: ""
  devices:
    eth0:
      name: eth0
      network: lxdbr0
      type: nic
    root:
      path: /
      pool: lxd-zfs-pool-ad
      type: disk
  name: default
projects: []
cluster: null
YML

sudo ufw enable
sudo iptables -S

cat << EXE | sudo bash
ufw       allow OpenSSH
ufw       allow in  on lxdbr0
ufw route allow in  on lxdbr0
ufw route allow out on lxdbr0
EXE

sudo ufw status numbered
sudo iptables -S

cat << EXE | sudo bash
snap restart  lxd
snap services lxd
EXE

lxc launch images:alpine/3.21 academia
lxc list -c=n -f=json|jq -r '.[]|select(.name=="academia")|.status'

cat <<'EXE'| lxc exec academia -- sh
ping -c5 chorke.org
ping -c5 shahed.biz
EXE

Containerize » Docker

curl -fsSL https://download.docker.com/linux/ubuntu/gpg \
| sudo tee /etc/apt/keyrings/docker.asc >/dev/null

DISTRIBUTION=$(. /etc/os-release && echo "${VERSION_CODENAME}")
cat << SRC | sudo tee /etc/apt/sources.list.d/docker.list >/dev/null
deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu ${DISTRIBUTION}  stable
SRC

cat << EXE | sudo bash
apt-get update;echo
apt-cache policy docker-ce
apt list -a --upgradable;apt-get upgrade -y;echo
apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
apt-get clean cache && find /tmp -type f,s -atime +10 -delete
EXE

cat << EOF | sudo tee /etc/docker/daemon.json >/dev/null
{
    "bip"  : "10.20.13.1/24",
    "mtu"  : 1500,
    "dns"  : [
        "1.1.1.1",
        "8.8.8.8"
    ],
    "debug": true
}
EOF

cat << EXE | sudo bash
systemctl stop  docker.socket
systemctl stop  docker.service
systemctl start docker.service

usermod -aG docker chorke
usermod -aG docker shahed
EXE

ip a
docker image ls
docker network ls

echo 'id -nG'|sudo -i -u shahed bash
echo 'id -nG'|sudo -i -u chorke bash

cat <<'EXE'| docker run --rm -i alpine sh
echo
cat /etc/hosts       ;echo
cat /etc/resolv.conf ;echo
ping -c5 chorke.org  ;echo
ping -c5 shahed.biz  ;echo
EXE

Cloudflare » VIRT

cat << INI | sudo tee /etc/systemd/system/warp0.service >/dev/null
[Unit]
Description=Cloudflared WARP Routing Virtual Interface
After=network.target
[Service]
Type=oneshot
ExecStart=/usr/sbin/ip link add warp0 type dummy
ExecStartPost=/usr/sbin/ip addr add 10.20.40.4/32 dev warp0
ExecStartPost=/usr/sbin/ip link set warp0 up
ExecStop=/usr/sbin/ip link delete warp0
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target
INI

cat << EXE | sudo bash
systemctl daemon-reload
systemctl enable --now warp0.service
systemctl status       warp0.service
EXE

ip a

Cloudflare » Argo » Tunnel

wget -cq https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-arm64.deb -P ${HOME}/Downloads
sudo dpkg -i ${HOME}/Downloads/cloudflared-linux-arm64.deb; sudo apt install -f
      rm -rf ${HOME}/Downloads/cloudflared-linux-arm64.deb

cat <<'SYS' | sudo tee -a /etc/sysctl.conf >/dev/null

###################################################################
# Cloudflared Tunnel Private Network Config
# This config added by Chorke Academia, Inc
# ICMP Group ID Range 0 to 10,000 Users
net.ipv4.ping_group_range = 0 10000

# 208 KiB Default RX Buffer
net.core.rmem_default=212992

# 208 KiB Default TX Buffer
net.core.wmem_default=212992

# 8 MB Maximum RX Buffer
net.core.rmem_max=8388608

# 8 MB Maximum TX Buffer
net.core.wmem_max=8388608

SYS

sudo sysctl -p

Skipped » Find More » 👈

LB » HAProxy » Install & Configure

Skipped » Find More » 👈 

sudo ufw status numbered
sudo iptables -S

cat << EXE | sudo bash
ufw       allow 80/tcp
ufw       allow 443/tcp
ufw       allow OpenSSH
ufw       allow 8443/tcp
ufw       allow in  on lxdbr0
ufw route allow in  on lxdbr0
ufw route allow out on lxdbr0
EXE

sudo ufw status numbered
sudo iptables -S

LB » HAProxy » Frontend » HTTP Config

cat <<'CFG'| sudo tee /etc/haproxy/proxy-configs/shahed.biz-http-all.cfg >/dev/null

# ##############################################################################
# http frontend config for *.chorke.org, *.chorke.com, *.shahed.biz
# this config added by chorke academia, inc

frontend           fnt_shahed_biz
   bind            *:80
   mode            http

   acl             host-is-k8s-ad-shahed-shahed-biz     hdr(host) -i k8s.ad.shahed.shahed.biz

   use_backend     bck_shahed_biz_shahed_ad_k8s         if host-is-k8s-ad-shahed-shahed-biz
   default_backend bck_shahed_biz_shahed_ad_k8s

backend            bck_shahed_biz_shahed_ad_k8s
   server          shahed_ad_k8s 192.168.49.2:80
   mode            http
CFG
sudo ln -s /etc/haproxy/proxy-configs/shahed.biz-http-all.cfg /etc/haproxy/proxy-enabled/

LB » HAProxy » Frontend » Kube API Config

cat <<'CFG'| sudo tee /etc/haproxy/proxy-configs/shahed.biz-tcp-kube.cfg >/dev/null

# ##############################################################################
# tcp frontend config for 10.20.40.4:8443
# this config added by chorke academia, inc

frontend           fnt_shahed_biz_shahed_ad
   bind            *:8443
   mode            tcp
   option          tcplog
   option          dontlognull
   default_backend bck_shahed_biz_shahed_ad

backend            bck_shahed_biz_shahed_ad
   server          shahed_ad_k8s 192.168.49.2:8443
   mode            tcp
CFG
sudo ln -s /etc/haproxy/proxy-configs/shahed.biz-tcp-kube.cfg /etc/haproxy/proxy-enabled/

vim /etc/haproxy/proxy-scripts/reconfig
    /etc/haproxy/proxy-scripts/reconfig

systemctl disable --now minikube.service
vim /etc/systemd/system/minikube.service
# append --apiserver-ips=10.20.40.4 with ExecStart
systemctl enable --now minikube.service

ssh -qt shahed@shahed-ad.local bash
sudo -i -u minikube

# run this script on the minikube host. copy the generated output and
# execute it on your local machine's terminal to enable monitoring of
# the minikube cluster.

cat << LOG
$(cat <<'YML'| tee ~/.kube/shahed-ad-kubeconfig.yaml >/dev/null
apiVersion: v1
kind: Config
clusters:
- name: minikube
  cluster:
    server: https://10.20.40.4:8443
    certificate-authority: ../.minikube/ca.crt

contexts:
- name: shahed-ad
  context:
    cluster: minikube
    namespace: default
    user: minikube

users:
- name: minikube
  user:
    client-certificate: ../.minikube/profiles/minikube/client.crt
    client-key: ../.minikube/profiles/minikube/client.key

current-context: shahed-ad
YML
)

cat <<'YML'| tee ~/.kube/shahed-ad-kubeconfig.yaml >/dev/null
$(export KUBECONFIG=${HOME}/.kube/shahed-ad-kubeconfig.yaml;\
kubectl config view --flatten;\
rm ${KUBECONFIG};\
)
YML

chmod 600 ~/.kube/shahed-ad-kubeconfig.yaml
  ls -alh ~/.kube/

export KUBECONFIG=~/.kube/shahed-ad-kubeconfig.yaml
kubectl config get-contexts
kubectl get    namespace
$(echo -n)
LOG

References

Retrieved from "https://wiki.chorke.org/index.php?title=Cloud/Shahed/AD&oldid=14956"