Iptables is a very handy program to arrange the incoming and outgoing traffic in a linux computer system. The advantages are wide. To allow some program/port, or block the connection from client in server environment. Or just block any incoming traffic in your computer. Examples : Sharing internet connection between nic Let’s say nic 1 […]
Category: Linux
Debian Setup Server DHCP
Steps I follow from google : The first step is to make sure the lan card that the dhcp service is serve is sharing its connection. Wait until everything is finished. I just found out that the dhcpd is no longer popular in latest ubuntu server. They are using isc-dhcp-server. Then edit the configuration of […]
Error xterm-256color di Terminal
Keanehan terjadi ketika saya me-remote terminal server lama IBM Pentium III. Ada pesan error yang muncul. Seperti itu pesannya. Alhasil ketika me-running program seperti nano, ia menolak. Usut punya usut ternyata terjadi kekurangan dependencies. Yang anehnya beberapa minggu lalu tidak terjadi seperti ini. Lupa sih kapan tepatnya mulai terjadi. Menurut stackoverview.com ada satu posting yang […]
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 remotely. But I don’t if […]
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 command to backup the csr1kv. […]
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 I am talking about hosting […]
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 –V, it went wrong. Or […]
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.
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 part. Downloadd the droidcam software […]
Jupyter Notebook
No. This is not a physical notebook. It is an environment program for programming Ruby, Haskel, Julia, and R. Hehehe I don’t know any of them. But I am learning about python3 now. First of all we need python pip. The pip is like apt-get. I heard somewhere, apt-get will be vanished. Unfortunately with Ubuntu […]