uilian

#!/bin/bash
#

# see: http://blog.tomtung.com/2009/11/cowsay-fortune
#      http://www.commandlinefu.com/commands/view/3584/remove-color-codes-special-characters-with-sed
#      https://github.com/busyloop/lolcat
#      https://github.com/dorentus/mruby-lolcat-bin
#
#      requires `fortune`, `cowsay`,
#        and ruby gem `lolcat` or its mruby version equivalent

uilian

version: '3.9'
services:
  rdu:
    image: your/image/here
    ports:
      - "50000:50000"
      - "8443:8443"
      - "49540:49540"
    environment:
      - "JAVA_OPTS=-agentlib:jdwp=transport=dt_socket,address=49540,server=y"

uilian

Test if a port on a remote system is reachable (without telnet)

From the man pages:

• Single port:

  • nc -zv 127.0.0.1 80

• Multiple ports:

  • nc -zv 127.0.0.1 22 80 8080

uilian

# https://blog.mimacom.com/artifactory-latest-version/
curl -s $(curl -s $(curl -s "$ARTIFACTORY_URL/$REPO_URL?lastModified" | jq -r '.uri') | jq -r '.downloadUri' ) 

# with basic auth and defining output directory
curl -u$ARTIFACTORY_USER:$ARTIFACTORY_TOKEN -O --output /tmp -s ...

uilian

# Credit http://stackoverflow.com/a/2514279
for branch in `git branch -r | grep -v HEAD`;do echo -e `git show --format="%ci %cr" $branch | head -n 1` \\t$branch; done | sort -r

uilian

git checkout branch_to_be_renamed
git branch -m branch_to_be_renamed new_branch_name
git push origin --delete branch_to_be_renamed
git push origin -u new_branch_name

######
#     -u, --set-upstream
#         For every branch that is up to date or successfully pushed, add upstream (tracking) 
#         reference, used by argument-less git-pull(1) and other commands. For more information, see
#         branch.<name>.merge in git-config(1).

uilian

grep -rnw . -e 'TEXT TO FIND'

uilian

sed -r 's/\"(R\$\s*)([0-9]{0,})\.?([0-9]{0,})\.?([0-9]{1,})\.?([0-9]{0,3})\"/\2\3\4\5/g' input.json > output.json 

uilian

# text can be anything, 'ccow' below is an alias for:
# alias ccow='fortune | cowsay | lolcatjs'
convert
    -size 500x500 \
    xc:lightblue \
    -font Courier -pointsize 12 \
    -fill blue \
    -gravity Northwest \
    -draw "text 0,0 '$(ccow)'" \
    image.png

uilian

Remote debugging in Docker (for Django apps)

In order to enable debugging for your Django app running in a Docker container, follow these steps using Visual Studio (Code):

1. Add ptvsd to your requirements.txt file

ptvsd == 4.3.2

2. To your launch.json, add this: