DavidPesticcio

//all job name
jenkins.model.Jenkins.instance.items.each {
  println "Job: ${it.name}"
}

//method list of Jenkins instance
jenkins.model.Jenkins.instance.class.methods.each {
  println "Jenkins method: ${it.name}"
}

DavidPesticcio

This file used to name this gist.

DavidPesticcio

Certified Kubernetes Application Developer

Kubernetes Playground

Create a namespace called 'mynamespace' and a pod with image nginx called nginx on this namespace

show

kubectl create namespace mynamespace

DavidPesticcio

node {
    echo 'Results included as an inline comment exactly how they are returned as of Jenkins 2.121, with $BUILD_NUMBER = 1'
    echo 'No quotes, pipeline command in single quotes'
    sh 'echo $BUILD_NUMBER' // 1
    echo 'Double quotes are silently dropped'
    sh 'echo "$BUILD_NUMBER"' // 1
    echo 'Even escaped with a single backslash they are dropped'
    sh 'echo \"$BUILD_NUMBER\"' // 1
    echo 'Using two backslashes, the quotes are preserved'
    sh 'echo \\"$BUILD_NUMBER\\"' // "1"

DavidPesticcio

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

DavidPesticcio

How to delete an image tag/image from docker registry v2.4

1) Re/Start registry with delete option enabled

  Edit the config.yml

  storage:
      delete:
          enabled: true

DavidPesticcio

sed -r "/$EXCLUDING_PATTERN_1|$EXCLUDING_PATTERN_2/!s/$FIND_STRING/$REPLACE_STRING/"

DavidPesticcio

# Linux
# add the following to "~/.gitconfig" file

[merge]
    tool = intellij
[mergetool "intellij"]
    cmd = /usr/local/bin/idea merge $(cd $(dirname "$LOCAL") && pwd)/$(basename "$LOCAL") $(cd $(dirname "$REMOTE") && pwd)/$(basename "$REMOTE") $(cd $(dirname "$BASE") && pwd)/$(basename "$BASE") $(cd $(dirname "$MERGED") && pwd)/$(basename "$MERGED")
    trustExitCode = true

[diff]

DavidPesticcio

# How to get ClamAV working on CentOS 7

yum -y install epel-release && yum -y update
yum -y install clamav clamav-data clamav-scanner clamav-scanner-systemd clamav-server clamav-server-systemd clamav-unofficial-sigs clamav-update

cat <<EOF > /etc/clamd.d/freshclam.conf
# Automatically created by the clamav-freshclam postinst
Bytecode true
CompressLocalDatabase no
ConnectTimeout 30

DavidPesticcio

# Put the function below in your .profile or .bashrc or other suitable file
# Name the function whatever you fancy - I chose wifi 
# Change remote & delay accordingly
# Call it with no parameters, to watch and recover the existing wifi connection with feedback
# Call it with any parameter(s) to check and/or recover the existing wifi connection with feedback
# Capture some stats to a logfile as evidence of your crappy infrastructure. :-)


function wifi () {
  # TODO: Use GNU date to calculate seconds instead of SECONDS