bgulla

#!/usr/bin/python
import sys
import os
import platform
import time
import subprocess
import json
import socket
import logging
from influxdb import InfluxDBClient

bgulla

Building oc-cli for ARM Architectures

ARM64/AARCH64 (Jetson Nano) or RPi 4

cd $GOPATH
git clone -b release-3.11 https://github.com/openshift/origin.git
sudo apt install libgpgme-dev -y 
mkdir -p src/github.com/openshift
mv origin src/github.com/openshift/
go build -v github.com/openshift/origin/cmd/oc

bgulla

docker rm -f $(docker ps -qa)
docker rmi -f $(docker images -q)
docker volume rm $(docker volume ls -q)

sleep 1

for mount in $(mount | grep tmpfs | grep '/var/lib/kubelet' | awk '{ print $3 }') /var/lib/kubelet /var/lib/rancher; do umount $mount; done

rm -rf /etc/ceph \
       /etc/cni \

bgulla

import os
import shutil

mkdir ~/Desktop/imessage

rootDir = "/Users/${USER}/Library/Messages/Attachments"
destDir = "/Users/${USER}/Desktop/imessage"
IGNORE_STRING = "pluginPayloadAttachment"
for dirName, subdirList, fileList in os.walk(rootDir):
    #print("Found directory: %s" % dirName)

bgulla

Jetson Nano Cheatsheet

Below are my personal notes related to the Nvidia Jetson Nano Dev-board.

Performance Management

Nvidia allows your to fine tune the performance of your Jetson nano. More on this here.

Show the current settings

sudo /usr/bin/jetson_clocks.sh --show

bgulla

Boozer Boilerplate Test

The following instructions are certified-correct way to get yourself a working boozer setup.

Step 1: Setup Environment & dl database file

Run the following commands.

mkdir ~/boozer-test
cd ~/boozer-test
wget https://github.com/bgulla/boozer/raw/master/db/db.sqlite #Downloads the baseline database file.
touch config.ini

bgulla

API Primitives

Object Spec:

• Provided to k8s
• Describes desired state of objects

Object status:

• provided by k8s
• describes the actual state of the object

More on APIs:

bgulla

user@gulla-brandon-9ad8ebdf2:~$ sudo su -
1a5g@twog3tJ48^
^C[sudo] password for user:
You are required to change your password immediately (root enforced)
su: Authentication token is no longer valid; new one required
(Ignored)
root@gulla-brandon-9ad8ebdf2:~# sudo docker pull k8s.gcr.io/kube-scheduler-amd64:v1.10.1
v1.10.1: Pulling from kube-scheduler-amd64
f70adabe43c0: Pull complete
9dc7b6510188: Pull complete

bgulla

user@gulla-brandon-9ad8ebdf3:~$ sudo kubeadm init --pod-network-cidr=10.244.0.0/16
[init] Using Kubernetes version: v1.10.1
[init] Using Authorization modes: [Node RBAC]
[preflight] Running pre-flight checks.
        [WARNING FileExisting-crictl]: crictl not found in system path
Suggestion: go get github.com/kubernetes-incubator/cri-tools/cmd/crictl
[certificates] Generated ca certificate and key.
[certificates] Generated apiserver certificate and key.
[certificates] apiserver serving cert is signed for DNS names [gulla-brandon-9ad8ebdf3.mylabserver.com kubernetes kubernetes.default kubernetes.default.svc kubernetes.default.svc.cluster.local] and IP
s [10.96.0.1 172.31.115.181]

bgulla

#include <ESP8266WiFi.h>
#include <Wire.h>
#include <PubSubClient.h>
#include <Adafruit_BMP085.h>
//#include <Adafruit_HDC1000.h>

#define wifi_ssid "ssid"
#define wifi_password "redacted"

#define mqtt_server "10.0.1.11"