ubuntuask.com
-
5 min readWhen handling bulk API requests in a Node.js server, it is important to consider the potential impact on server performance and handling large amounts of data efficiently. One approach is to use libraries such as async or bluebird to manage asynchronous operations and handle multiple requests simultaneously. Additionally, utilizing streams or buffers can help process and send large data sets more efficiently.
-
6 min readTo share an SSH alias from the host to a Vagrant virtual machine, you can add the alias to the SSH configuration file on the host machine. This file is usually located at ~/.ssh/config.Once the alias is added to the host's SSH configuration file, you can then SSH into the Vagrant virtual machine using the alias you defined. This will allow you to easily connect to the virtual machine without having to remember the IP address or other connection details.
-
4 min readIn Laravel, you can search for records with full names using the SQL LIKE clause. You can do this by building a query with the where clause and the like method. For example, if you have a User model and you want to search for users with a specific full name, you can use the following code: $users = User::where('full_name', 'like', '%' . $searchTerm .
-
3 min readTo get the IP address in Vagrant, you can run the command "vagrant ssh" to access the virtual machine, and then run the command "ifconfig" to see the network interfaces and their respective IP addresses. Another way is to log into the Vagrant virtual machine and run the command "hostname -I" to display the IP address. You can also access the Vagrant dashboard or configuration file to find the IP address assigned to the virtual machine.
-
7 min readWhen encountering a 502 Bad Gateway error with nginx/1.18.0, it typically means that the server acting as a gateway or proxy received an invalid response from an upstream server. To troubleshoot and resolve this issue, you can start by refreshing the page or trying to access the website again. If the error persists, you can try clearing your browser's cache and cookies, as well as disabling any browser extensions that may be causing conflicts.
-
5 min readIn Laravel, you can sort an array of objects using the sortBy method. This method allows you to specify a key to sort the objects by. For example, if you have an array of User objects and you want to sort them by their age, you can use the following code: $users = User::all()->sortBy('age'); This will sort the User objects in the $users array by their age in ascending order.
-
5 min readTo use codesniffer in PhpStorm using Vagrant, you first need to make sure that PHP CodeSniffer is installed on your Vagrant machine. You can do this by SSH-ing into your Vagrant machine and running the command composer global require "squizlabs/php_codesniffer=*".Next, you'll need to configure PhpStorm to use PHP CodeSniffer. Go to File > Settings > Languages & Frameworks > PHP > Code Sniffer, and set the path to the phpcs binary on your Vagrant machine.
-
6 min readTo run Jenkins with Docker on Kubernetes, you first need to set up a Kubernetes cluster and have Docker installed on your machine.Next, you will need to create a Kubernetes deployment configuration file for Jenkins, which includes the necessary specifications such as containers, volumes, and ports. You can then use the kubectl apply command to deploy Jenkins on Kubernetes.
-
6 min readTo join two tables in Laravel, you can use the query builder to perform a join operation.You can use the join method on the query builder to specify the tables you want to join and the columns you want to use for the join condition.For example, if you have two tables users and posts, and you want to join them based on the user_id column, you can write a query like this: $users = DB::table('users') ->join('posts', 'users.id', '=', 'posts.
-
6 min readTo run several boxes with Vagrant, you need to create a Vagrantfile for each virtual machine you want to run. Each Vagrantfile should specify the configuration settings for the VM, including the box to use, network settings, and provisioning options. Once you have created the Vagrantfiles, you can start each VM by running the vagrant up command in the directory containing the Vagrantfile.
-
5 min readTo deploy a MERN stack application on DigitalOcean, you will first need to set up a droplet (virtual server) on DigitalOcean with a Linux operating system, such as Ubuntu.Next, you will need to install Node.js, MongoDB, and Nginx on your server. You can use tools like NVM to install Node.js and MongoDB, and follow tutorials online for setting up Nginx as a reverse proxy.