hunzo

#!/bin/bash

sudo kubeadm reset

sudo rm -rf ~/.kube
sudo rm -rf /etc/cni /etc/kubernetes rm -f /etc/apparmor.d/docker /etc/systemd/system/etcd*
sudo rm -rf /var/lib/dockershim /var/lib/etcd /var/lib/kubelet \
         /var/lib/etcd2/ /var/run/kubernetes

sudo iptables -F && sudo iptables -X

hunzo

#!/bin/bash
systemctl stop ceph-mon.target
systemctl stop ceph-mgr.target
systemctl stop ceph-mds.target
systemctl stop ceph-osd.target
rm -rf /etc/systemd/system/ceph*
killall -9 ceph-mon ceph-mgr ceph-mds
rm -rf /var/lib/ceph/mon/  /var/lib/ceph/mgr/  /var/lib/ceph/mds/
pveceph purge
apt purge ceph-mon ceph-osd ceph-mgr ceph-mds -y

hunzo

Install K3s with metallb and nginx-ingress

server	ip	role
k3s-control.dev.local	192.168.1.100	control-plane
k3s-node-01.dev.local	192.168.1.101	node-01

Setup control-plane

• disable traefik, servicelb

hunzo

Proxmox monitor with influxdb and grafana

grafana dashboard id: 15356

• grafana default user/password: admin/admin

services:
  influxdb:
    image: influxdb:2
    volumes:
      - influxdb-storage:/var/lib/influxdb
 restart: always

hunzo

#! /bin/bash

VMID=9001
STORAGE=ZFS-SSD

set -x

# rm -f noble-server-cloudimg-amd64.img
# wget -q https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img

hunzo

proxmox

error : Device or resource busy

• message

device-mapper: create ioctl on vg--netapp--san-vm--100--disk--0 LVM-CKN6VK2dSf8ZV3zz7JYFQXrKZyXitVSJZPE2dPaoMJsEmW0kCupDZrwlLr2HRAv1 failed: Device or resource busy

• check device

root@pve-01:~# dmsetup table
netapp-lun: 0 8589934592 multipath 3 queue_if_no_path pg_init_retries 50 1 alua 2 1 round-robin 0 2 1 8:32 1 8:64 1 round-robin 0 2 1 8:16 1 8:48 1

hunzo

import requests
import urllib3

urllib3.disable_warnings()  # Disable Warnning "InsecureRequestWarning"

URL = "https://httpbin.org/get"

ret = requests.get(URL, verify=False)

hunzo

force delete pve-cluster

pvecm expected 1

• stop cluster

systemctl stop pve-cluster

• force run cluster local mode

hunzo

SAN FC Multipath configuration

install multipath-tools

apt-get update
apt-get install multipath-tools lsscsi multipath-tools-boot

list wwids get wwwid

lsscsi -i -s

hunzo

POSTGRES_READY=0
POSTGRES_DB=djangoDB
POSTGRES_PASSWORD=pgPassword
POSTGRES_USER=pgUser
POSTGRES_HOST=localhost
POSTGRES_PORT=5431