Howto check site working in the Jenkins pipeline
Task: Check site working (response code = 200) in the Jenkins pipeline step Implementation sh script: url=’https://scalan.com’ attempts=5 timeout=10 online=false…
Author: Alex (page 8)
How to clone git repository without enter login and password from keyboard
Task: clone git repository in bash script without enter login and password Implementation: Use next format: git clone http://<login>:<password>@server.com/repository.git Another…
Configure your personal cloud
Task: Install nextcloud app on your instance Implementation: OS: ubuntuServer: nginx Steps: sudo apt update sudo apt upgrade sudo apt…
How to update Jenkins CI/CD
Task: update early installed jenkins ci/cd Implementation steps: Open jenkins home URL and check job’s working. Done.
Howto setup docker in Ubuntu 18.04
Task: setup docker in Ubuntu 18.04 Implementation: sudo apt install docker-composesudo docker ps To avoid use ‘sudo’ do next: sudo…
Output HTML page into the image
Task: display html page by link to some pngimage. Solution: One of ways is use google-crome browser: google-chrome –headless –screenshot…
Selenium get WebElement HTML body
Task: get body of Web Element Solution (java): String body = elem.getAttribute(“innerHTML”); Done.
Raspberry Pi as a clock
Task: Display clock on the Raspberry Pi display Implementation with ‘epd’ library: 1. Create python application (main.py) to display date…
How to expand partition size on Raspberry Pi Ubuntu disk
Task: expand root partition. After writing image on sd card I see 3.8GB partition size. I have 14GB sd card.…
Game: maze
Maze game is a best game to practice your logic. Your goal to move a ball to the exit.
QRcode get service
Task: Generate QR code by text value as an image Implementation: https://scalan.com/apps/phpqrcode/get.php?data=textValue Result: Done.
How to disable parent page scrolling
I have iframe html5 game with arrow keys control. Task is to disable parent page scrolling when arrow keys pressed.…