john-auld

Use VMWare Player for External NAT and DHCP

External Switch binding

Bind the external virtual switch to VMnet8.

DHCP file

john-auld

Jenkins temp directory configuration

If a new installation of Jenkins fails to start on CentOS 7, check the temp directory configuration.

JENKINS_JAVA_OPTIONS=-Djava.io.tmpdir=/var/lib/jenkins/tmp

	Executing: /usr/bin/java -Djava.io.tmpdir=/var/lib/jenkins/tmp

john-auld

Brief notes on using minikube on Windows 10 Professional

Assumming that Hyper-V is setup and working, with a virtual switch named "External".

Downloads

Minikube

kubectl

john-auld

Using ssh-agent with Visual Studio Code on Windows 10

Enable the ssh-agent service

To enable SSH Agent automatically on Windows, start PowerShell as an Administrator and run the following commands:

# Make sure you're running as an Administrator
Set-Service ssh-agent -StartupType Automatic
Start-Service ssh-agent

john-auld

---
#
# Dump DNS Zone file from a zone hosted by Digital Ocean
#
- hosts: localhost
  connection: local
  gather_facts: false

  vars:
    oauth_token: "redacted-api-key-from-digital-ocean"

john-auld

PAM session fail for users with an expired account

sudo whoami
sudo: pam_open_session: System error
sudo: policy plugin failed session initialization

Check if the password for the account has expired

john-auld

No connectivity

nc -u -z -w 3 8.8.8.8 54 && echo OK || echo failed
failed

With connectivity

nc -u -z -w 3 8.8.8.8 53 && echo OK || echo failed
OK

john-auld

Create named screen

screen -S screen-name

Detach screen

Ctrl+a d

List screens

screen -ls

Attach screen

john-auld

check if local branch is up to date

git remote show origin

tidy up local branches that have been deleted from the origin

git fetch --prune

john-auld

'''
 Delete a bucket that contains versions.
 Author: John Auld
'''

import boto3

my_bucket       = 'replace-with-aws-s3-bucket-name'
delete_bucket   = False
delete_versions = False