ProgrammingKnowledge

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Videos by: ProgrammingKnowledge

Linux Command Line Tutorial For Beginners 27 –  watch command

Linux Command Line Tutorial For Beginners 27 – watch command

3 weeks ago
watch – execute a program periodically, showing output fullscreen SYNOPSIS watch [options] command DESCRIPTION watch runs command repeatedly, displaying its output and errors (the first screenfull). This allows you to watch the program output change over time. By default, the program is run every 2 seconds. By default, watch will run until interrupted.
Linux Command Line Tutorial For Beginners 26 – Viewing Resources (du , df, free command)

Linux Command Line Tutorial For Beginners 26 – Viewing Resources (du , df, free command)

3 weeks ago
du – estimate file space usage SYNOPSIS – du [OPTION]… [FILE]… df – report file system disk space usage SYNOPSIS – df [OPTION]… [FILE]… -h, –human-readable print sizes in human readable format (e.g., 1K 234M 2G) free – Display amount of free and used memory in the system SYNOPSIS – free [options]
Linux Command Line Tutorial For Beginners 25 – .bashrc File

Linux Command Line Tutorial For Beginners 25 – .bashrc File

3 weeks ago
The .bashrc is a configuration file for the Bash , which every time you open a terminal is also loaded. In it you can abbreviations for commands (ie an alias ) Enter, you change here is the appearance of the prompt , or you can add additional scripts which facilitate a working with the Shell. […]
Linux Command Line Tutorial For Beginners 24 – Basic Group Management (groups, groupadd, groupdel)

Linux Command Line Tutorial For Beginners 24 – Basic Group Management (groups, groupadd, groupdel)

3 weeks ago
groups – print the groups a user is in groupadd – create a new group groupdel – delete a group gpasswd – administer /etc/group and /etc/gshadow The options which apply to the gpasswd command are: -a, –add user Add the user to the named group. -d, –delete user Remove the user from the named group.
Linux Command Line Tutorial For Beginners 23 – userdel command (Removing Users)

Linux Command Line Tutorial For Beginners 23 – userdel command (Removing Users)

3 weeks ago
NAME userdel – delete a user account and related files SYNOPSIS userdel [options] LOGIN DESCRIPTION userdel is a low level utility for removing users. On Debian, administrators should usually use deluser instead. The userdel command modifies the system account files, deleting all entries that refer to the user name LOGIN. The named user must exist.
Linux Command Line Tutorial For Beginners 22 –  useradd command (Creating Users)

Linux Command Line Tutorial For Beginners 22 – useradd command (Creating Users)

3 weeks ago
NAME useradd – create a new user or update default new user information SYNOPSIS useradd [options] LOGIN useradd -D useradd -D [options] DESCRIPTION useradd is a low level utility for adding users. On Debian, administrators should usually use adduser(8) instead. When invoked without the -D option, the useradd command creates a new user account using […]
Node.js Tutorial for Beginners 19 –  Installing npm packages globally + install nodemon

Node.js Tutorial for Beginners 19 – Installing npm packages globally + install nodemon

3 weeks ago
Where does npm install packages? %AppData%npmnode_modules There are two ways to install npm packages: locally or globally. You choose which kind of installation to use based on how you want to use the package. If you want to use it as a command line tool, something like the grunt CLI, then you want to install […]
Node.js Tutorial for Beginners 18 –  npm init & package.json File

Node.js Tutorial for Beginners 18 – npm init & package.json File

4 weeks ago
npm init [-f|–force|-y|–yes] Description This will ask you a bunch of questions, and then write a package.json for you. It attempts to make reasonable guesses about what you want things to be set to, and then writes a package.json file with the options you’ve selected. If you already have a package.json file, it’ll read that […]
Node.js Tutorial for Beginners 17 –  Node Package Manager (npm)

Node.js Tutorial for Beginners 17 – Node Package Manager (npm)

4 weeks ago
npm is the default package manager for the JavaScript runtime environment Node.js. npm is automatically included when Node.js is installed. npm consists of a command line client that interacts with a remote registry. It allows users to consume and distribute JavaScript modules that are available on the registry.Packages on the registry are in CommonJS format […]
Node.js Tutorial for Beginners 16 – Basic Routing with node

Node.js Tutorial for Beginners 16 – Basic Routing with node

4 weeks ago
Basic routing. Routing refers to determining how an application responds to a client request to a particular endpoint, which is a URI (or path) and a specific HTTP request method (GET, POST, and so on). Each route can have one or more handler functions, which are executed when the route is matched.
Node.js Tutorial for Beginners 15 – Using node.js for serving JSON Data

Node.js Tutorial for Beginners 15 – Using node.js for serving JSON Data

4 weeks ago
In this video I am going to show you How can I return JSON from node.js backend to frontend. if you want to send the response prettified, for some awkward reason, you could use something like JSON.stringify(anObject, null, 3) It’s important that you set the Content-Type header to application/json, too.
Node.js Tutorial for Beginners 14 – Using node.js for serving HTML page

Node.js Tutorial for Beginners 14 – Using node.js for serving HTML page

1 month ago
In this video we will see how we can serve a html page to the web browser. sets say I want to run a very simple HTTP server. Every GET request to example.com should get index.html served to it but as a regular HTML page (i.e., same experience as when you read normal web pages).