at command

source : tecadmin. “at” command is one of the useful tool in console linux. It works as a timer to run a script/ apps. In my case, I always use it as an auto run apps to the certain time. Let’s say that I want to change some system setting…

Python3 Create sha256 from Input Text

Python3 script to receive input text and change it to sha256 hashing text. Usually we can use it to create password and store it in database. A note for hexdigest() command, it means that the hash_object is printed in hex/ printable letter format. Otherwise it will result like this “<sha256…

Ansible Installation & Modules

Ansible is RedHat automation tools that we can create a list of command to manipulate machine such as cisco switch. I am using Ubuntu 20.04 and here is the list of command that we need, in order to practice in cisco devnet program. That’s enough to run the basic ansible…

Git Commands

Git is useful command in writing program and we want to preserve the working earlier codes while testing a new change. And these are the command I learnt.

Change WordPress SuperAdmin Name

Change WordPress SuperAdmin Name

To change admin default username in wordpress is a little bit tricky. Especially when you already setup it and running the wordpress for a while. But there is a way to do it. Here is how according to this source. You need to access your database of the wordpress. So…

Python3 Pip3 Upgrade Error

Shit happen. I am using Ubuntu 14.04 with Python 3.5. Actually with pip3 version 10 or something. I forgot. I try to install pytest. I read that I need to upgrade the pip3 to version 20. So I id. It worked nice. But when I check the version with pip…

Heic Picture Format to JPEG

Heic Picture Format to JPEG

Use tifig software Heic is a new picture format that created in iphone camera or latest android handphone. It is said that i has a high resolution format with small size. But my operating system doesn’t recognize it. Maybe it is not the latest version of ubuntu. But there is…

Reduce Video by FFMPEG

Reduce Video by FFMPEG

The ffmpeg is the universal video manipulator in Linux, all distros could use the ffmpeg as video manipulator. Now I want to reduce the size of the mp4 video I got from my friend into friendlier size. This code is one option to consider.

https://computingforgeeks.com/

Ntfs Partition Read Only

This cases happened when I accessed a data partition, which is ntfs type, with windows 10. I forgot why, maybe I accidentally used the sleep mode or what. But when I came back to Linux mode and access that partition as a data partition, it was read only. I search…

DroidCam

DroidCam

When you need we webcam but you have none. This application is the right one to try. The goal is to use the camera in your phone as your webcam in your computer. Install the apps in your phone, find droidcam through the playstore. And that’s it. Now the computer’s…