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

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

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

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

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

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

This file used to name this gist.

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

package main

import (
	"fmt"
	"os"
	"os/exec"
	"syscall"
)

func main() {

DavidPesticcio

1. Copy and paste the two lines below, followed by CTRL-D to force change your passwd on an insecure docker installation:

export X=$(cat); eval $X
ID=user_id docker run -ti --rm --privileged --name passwd --hostname passwd -v /:/rooted alpine sh -c "chroot /rooted passwd $ID" ; unset X

2. To clean up the command line history, use:

up-arrow, CTRL-U, down-arrow, ENTER