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PCx3 - Linux System Administrator Blog
linux - Basic 🐧 Linux commands

Basic 🐧 Linux commands

lslists files and foldersls -lrtlists files and folders in datel orderls -lalist hidden files and folders and visiblecd /foldercd means to change folder where folder is a valid foldercd /changes you back to the root pathcd ..changes folders back one...

nodejs - node-orm2 — Node.js Object Relational Mapping 🧭

node-orm2 — Node.js Object Relational Mapping 🧭

ORM Package for Node.js. Works with MySQL, PostgreSQL and SQLite. var orm = require('orm'); orm.connect("mysql://username:password@host/database", function (err, db) { if (err) throw err; var Person = db.define('person', { name : String, surname :...

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MySQL Select Statements

The SELECT statement is used to select or fetch data from a your MySQL Database. It’s the most common type of query issued to a database. There are many ways to query a database, but were going to focus on the SELECT statement...

linux - 👨‍💻 Change the default SSH port in 🐧 Linux Server

👨‍💻 Change the default SSH port in 🐧 Linux Server

By default on Linux servers SSH runs on 22 port. We can change the default SSH port for Linux server as an added security measure. NOTE: Before changing the SSH port makes sure the new SSH port does not conflict with any known, used or blocked...

forgot pass 540x304 - Develop a simple login system with PHP and MySQL

Develop a simple login system with PHP and MySQL

Most interactive websites nowadays would require a user to log in into the website’s system in order to provide a customized experience for the user. Once the user has logged in, the website will be able to provide a presentation that is...

whoami 540x263 - 4 commands to identify a logged user account in Linux

4 commands to identify a logged user account in Linux

Into this tutorial we will learn how to identify a user account or who is logged into system with commands like who or who am i. If multiple users use a single system, then everyone may have their own user account. At this time, it will be helpful...

Cracking Virtualizor

Virtualizor has a license verification function inside: /usr/local/virtualizor/main/functions.php content is encrypted, but in older versions, it wasn’t, so to bypass license verification you can simply replace the current file content with...