My old tech scribbles - Charvin

  A firewall is basically something that protects the network from the Internet. It is derived from the concept of firewalls used in vehicles which is a barrier made of fire resistant material protecting the vehicle in case of fire. Anyway a firewall is best described as a software or hardware or both Hardware and Software packet filter that allows only selected packets to pass through from the Internet to your private internal network. A firewall is a system or a group of systems which guard a trusted network( The Internal Private Network from the untrusted network (the Internet.) To understand how a firewall works, firstly we need to understand how exactly data is transferred on the Internet. The TCP\IP suite is responsible for successful transfer of data across a network both the Internet and the Intranet. The TCP\IP suite is a collection of protocols which are inter-related and interdependent and act as a set of rules according to which data is transferred acro...

Boxopus is a new service that enables people to download torrents directly to their Dropbox account. With clever use of Dropbox’s API, BitTorrent users can add torrent files totally anonymously and without the need for a BitTorrent client. Torrent sites can add Boxopus as a new download option for their users, which some already have.  Founded in 2007, Dropbox has quickly become the leading player in cloud hosting and synchronization services. The service is loved by many for its ease of use, and thanks to the newly launched Boxopus site, BitTorrent users are now able to automatically put torrent downloads in their Dropbox folder. It only takes one click and the files are downloaded and synced to all computers. Using the service is easy. People can securely use their Dropbox credentials to pair Dropbox with Boxopus, and add as many torrents as they like. The Boxopus servers will then take care of the downloading and put the completed downloads in a folder. “Cloud s...

Steam is generally pretty stable, but every now and then you’ll run into a problem. This guide gives solutions to common problems you’ll encounter in Steam, from games crashing or not working properly to Steam failing to launch. If none of these solutions helps, try Googling the problem – you may have run into a game-specific problem with a game-specific solution or just a more obscure Steam bug. Validate Game Caches If a game fails to load, crashes as soon as it loads, or crashes when you reach a specific level, your game’s files may be corrupted. Corrupted files can also cause a multitude of other odd game bugs. To fix corrupted game files, you can have Steam validate the game’s cache on your system. Steam will examine the game’s files and – if any problems are detected – will re-download the corrupted files from Steam’s servers. To validate a game’s cache, right-click the game in your Steam library and select Properties. In the proper...

Whether you’re typing an email in your browser or writing in a word processor, there are convenient keyboard shortcuts usable in almost every application. You can copy, select, or delete entire words or paragraphs with just a few key presses. Some applications may not support a few of these shortcuts, but most applications support the majority of them. Many are built into the standard text-editing fields on Windows and other operating systems. Working With Words We’re used to the arrow, Backspace, and Delete keys working with a single character at a time. However, we can add the Ctrl key to have them effect entire words or paragraph at the same time. Ctrl+Left Arrow – Move cursor to beginning of previous word. Ctrl+Right Arrow – Move cursor to beginning of next word Ctrl+Backspace – Delete previous word. Ctrl+Delete – Delete next word. Ctrl+Up Arrow – Move cursor to beginning of paragraph. Ctrl+Down Arrow – Move cursor to end of paragraph. Mac Users :...

Large capacity, small-sized, affordable USB flash drives provide us with the ability to easily carry around gigs of data in our pockets. Why not take our favorite programs with us as well so we can work on any computer? We have collected links to many useful portable programs you can easily install on a USB flash drive and create a portable version of your desktop PC. Portable Applications Suites and Collections There are several portable application suites that provide an way to collect a lot of portable programs and easily access them using a menu system. PortableApps.com , Lupo PenSuite , CodySafe , and LiberKey are some of the more popular ones. Geek.menu is an enhanced menu based on the PortableApps.com menu. It has some additional enhanced features such as TrueCrypt support, categories on the menu, and the ability to customize the menu. Productivity If you need to view and edit Microsoft Office documents on the go, LibreOffice Portable is the way to ...