Bryan CS iambryancs

Intro

SSHd now uses socket-based activation Ubuntu 22.10 or later. Below are 2 options to change the default SSH port.

Disable socket-based and enable service-based SSH

systemctl disable --now ssh.socket
systemctl enable --now ssh.service

sudo apt-get install gnupg curl

curl -fsSL https://pgp.mongodb.com/server-7.0.asc | \

To install a root CA, do

$ sudo apt-get install -y ca-certificates
$ sudo cp local-ca.crt /usr/local/share/ca-certificates
$ sudo update-ca-certificates

To get ArgoCD default admin password after installation, run:

kubectl -n argocd get secret argocd-initial-admin-secret \
          -o jsonpath="{.data.password}" | base64 -d; echo

The default admin user is admin.

To check the health of a plugin, run:

:checkhealth <plugin_name>

Example, to check telescope plugin's health and see any missing deps:

:checkhealth telscope

To clear stucked unread Slack notifications, simply type:

Shift + Escape

To share Docker build ARGs in a multi-stage build, simply declare it globally then mention it in subsequent builds to renew.

ARG IMG=alpine:3.14.2
FROM gcr.io/kaniko-project/executor:v1.9.0-debug AS kaniko

ARG IMG
FROM ${IMG}
RUN apk --update add \

server {
      listen 80;
      listen [::]:80;
      server_name localhost;

 location / {

	#!/bin/bash

	set -e

	# $1 - arg1, swap size in G (e.g 1G)
	if [ -z $1 ]; then
	echo "Error! Please provide swap size in G as argument."
	echo "Example: create-swap-ubuntu.sh 1G"
	exit 1
	else

	#!/bin/bash

	SRC_DB_URI='mongodb+srv://username:password@src_host/'
	SRC_DB_NAME=src_db_name

	DEST_DB_URI='mongodb+srv://username:password@dest_host/'
	#not probably needed as well as the `--db` under `mongorestore`
	DEST_DB_NAME=dest_db_name

	mongodump \