Step 1: Backup existing firewall rules Step 2 : Actual task is to replace Accept with Drop in firewall rules as below Step 3: Run below sed command to find and replace If firewall already enabled then use reload command . If not enabled then use enable command as follows sudo ufw enable or sudo… Read More »
Step 1: Check the current version of your apache2 as follows apache2 -v Step 2 : To get Apache2 updated, add below repository when prompter press ENTER Step 3: Run below command to update and upgrade press Y when prompted Step 4: Now you can check version of updated apache 2 Step 5 Restart apache2… Read More »
This simple tutorial will guide you to create a small MVC application with CRUD features. This explains how easy we can use MVC Entity framework to develop our apps. Goal : We want to create an address with with 3 fields , Name, Email ID, Address. We should have the option to Create, View, Update… Read More »
Scenario: You wish to embed recently uploaded video into your HTML site. Requirements : Find the Youtube Channel ID Open the channel and have a look at the url to identify the channel id as shown in below image. Step 1: Create as much Div tag you want and name them as 1,2,3 for easy… Read More »
What is owncloud Visit https://owncloud.com/ for more details . How to control OwnCloud management from C# Download c# Client library for CSHARP C# client library for ownCloud Sample c# Codes Below to create User Account, Reset password, Share Folder, Create Public URL Caveats : Even Though nuget packages are available to download I found that… Read More »
Scenario : You have aws EC2 instance and storage is 100% full. Requirement : Change volume size from 10 GB To 50 GB without restarting without loosing any data Create a snapshot as backup Modify Volume Connect to instance Connect to the instance by SSH Run df -hT to make sure storage… Read More »
Scenario : We have a simple python code which can be executed using a physical machine by developer or coder. However if you want extend this code a web based service where others can utilize the code using a web site. Proof of concept : Converting a simple python script which basically display a name… Read More »
Scenario : Want to design a c# controller with following feature. # User will submit a request and system update the database with a status immediately . # System will run some command line to sync source and destination folder which may take hours to complete. # Once the command line copy / sync process… Read More »
Scenario : Want to install jupyter notebook from a single machine and can be utilized by more than 50 users at a time. This can be a ideal solution for schools or python lab where students or users can access from anywhere using their own devices. We have a windows 10 machine with Desktop /… Read More »
Scenario : You want to test number of allowed parallel connections to your mysql Server . Steps: Create a Database Create a Table Create a PHP insert Script Test the Script Use ab.exe tool from apache. Create a table CREATE TABLE `test_table` ( `id` int(11) NOT NULL, `session_id` varchar(250) DEFAULT NULL, `date_time` timestamp NULL… Read More »