http://bucarotechelp.com/computers/linux This section contains information about Linux operating system configuration, administration, diagnostics, and trouble shooting. en-us Fri, 21 Oct 2022 10:36:35 GMT http://www.rssboard.org/rss-specification http://bucarotechelp.com/computers/linux/76021002.asp Trying to find out what's running on your machine - and which process is using up all your memory and making things slow - is a task served well by the top utility. Improve your top knowledge with this tutorial. Fri, 21 Oct 2022 10:36:35 GMT http://bucarotechelp.com/computers/linux/76052202.asp A comparison of the su and sudo Linux commands for escalating privileges for non-root users. Sat, 09 Jul 2022 13:26:06 GMT http://bucarotechelp.com/computers/linux/76053001.asp I recommend these commands to anyone who is getting started with Linux. Fri, 01 Jul 2022 09:45:46 GMT http://bucarotechelp.com/computers/linux/76060201.asp Get the details on the hardware inside your Linux computer from the command line. Tue, 28 Jun 2022 08:16:06 GMT http://bucarotechelp.com/computers/linux/76060701.asp Linux Memory is divided into two distinct areas: user space, which is a set of locations where user processes run, and kernel space, which is the location where the code of the kernel is stored, and executes under. Fri, 24 Jun 2022 09:50:25 GMT http://bucarotechelp.com/computers/linux/76060602.asp A shell is a terminal application used to interface with an operating system using written commands. Bash is a shell for and has been ported to Windows. Bash an acronym for Bourne Again Shell because it is an enhanced version of the Bourne shell distributed with Linux. Bash is released under the GNU General Public License (GPL). Fri, 24 Jun 2022 09:50:25 GMT http://bucarotechelp.com/computers/linux/76061001.asp There are several kinds of kernel features available to user processes. For example, system calls (or syscalls) perform specific tasks that a user process alone cannot do well or at all. For example, the acts of opening, reading, and writing files. Mon, 20 Jun 2022 09:38:15 GMT http://bucarotechelp.com/computers/linux/76062601.asp On a modern operating system, many processes run simultaneously. For example, you might have a web browser and a spreadsheet open on a desktop computer at the same time. However, things are not as they appear: on a single-core CPU the processes do not run at exactly the same time. Sat, 04 Jun 2022 06:49:04 GMT http://bucarotechelp.com/computers/linux/76062701.asp We can use abstraction to split computing systems into components to make things easier to understand, but it doesn't work without organization. We arrange components into layers or levels. A layer or level is a classification (or grouping) of a component according to where that component sits between the user and the hardware. Fri, 03 Jun 2022 05:56:19 GMT http://bucarotechelp.com/computers/linux/76072002.asp Learn the history of ext4, including what's different from ext3 and the other filesystems that came before it. Wed, 11 May 2022 13:48:41 GMT http://bucarotechelp.com/computers/linux/76101401.asp Netstat is a command-line network utility that displays network connections, routing tables, and a number of network interfaces, and network protocol statistics. This artilce shows how to view Your Linux Server's Network Connections With Netstat. Mon, 14 Feb 2022 06:03:51 GMT http://bucarotechelp.com/computers/linux/76102502.asp The top program provides a dynamic real-time view of a running system. It can display system summary information as well as a list of processes or threads currently being managed by the Linux kernel. You can open the Terminal either through the system Dash or the Ctrl+Alt+T shortcut. Thu, 03 Feb 2022 10:15:58 GMT http://bucarotechelp.com/computers/linux/77000802.asp The Raspberry Pi is a small, single-board computer that is perfect for computer projects, but a Raspberry Pi can also be used as a web server on your main local network or the internet. This step-by-step guide shows you how. Thu, 23 Dec 2021 13:53:07 GMT http://bucarotechelp.com/computers/linux/77012001.asp A scheduling class specifies which scheduling policy applies to which type of process. Completely fair scheduling (CFS), which became part of the Linux 2.6.23 kernel in 2007, gives every task a fair share of processor resources in a low-fuss but highly efficient way. Wed, 10 Nov 2021 13:41:50 GMT http://bucarotechelp.com/computers/linux/77012801.asp Most Linux distributions use the Common Unix Printing System (CUPS), which contains drivers for most printers available today. This means Linux offers much wider support for printers than Windows does. Tue, 02 Nov 2021 06:59:54 GMT http://bucarotechelp.com/computers/linux/77021301.asp Virtualization involves a physical resource being shared amoung multiple virtual resources. For example multiple virtual machines can run on the same physical host, with each virtual machine sharing the resources of the host. Virtualization represents a huge monetary savings opportunity for business. Mon, 18 Oct 2021 09:08:35 GMT http://bucarotechelp.com/computers/linux/77022401.asp Linux manages hardware peripherals using kernel modules. Fix problem peripherals by finding and loading kernel modules. Here is how to load or unload a Linux kernel module. Thu, 07 Oct 2021 06:30:42 GMT http://bucarotechelp.com/computers/linux/77031901.asp Ever wondered what it takes to get your system ready to run applications? Here's what is going on under the hood. Sat, 11 Sep 2021 07:08:35 GMT http://bucarotechelp.com/computers/linux/77032702.asp A shell is a computer program which exposes an operating systems services to a human user or other program. It normally uses a command-line interface, but may have a graphical user interface. It is called a shell because it is the outermost layer around the operating system. Fri, 03 Sep 2021 14:15:27 GMT http://bucarotechelp.com/computers/linux/77041801.asp This primer will introduce you to basic Linux server security. While it focuses on Debian/Ubuntu, you can apply everything presented here to other Linux distributions. Fri, 13 Aug 2021 09:50:54 GMT http://bucarotechelp.com/computers/linux/77041901.asp On most personal devices, drives get filled up with photos and videos and music, on servers, drives get filled up with data in user accounts and log files. You can check in on disk usage with the du command. Thu, 12 Aug 2021 07:33:44 GMT http://bucarotechelp.com/computers/linux/77060802.asp For well over a decade, Linux has used software repositories to distribute software. A repository in this context is a public server hosting installable software packages. Wed, 23 Jun 2021 09:25:53 GMT http://bucarotechelp.com/computers/linux/77082101.asp You should scan your Linux-based systems to avoid hacks and gather information from both outside and inside your network. That way, you can see what the bad guys see from both directions. Fri, 09 Apr 2021 06:32:34 GMT http://bucarotechelp.com/computers/linux/77090701.asp If you only have a single hard drive available in your PC, you need to create separate areas (called partitions) on the hard drive for Windows and Linux. This article walks through the process of how to do that, but first, you need to understand how partitions work. Wed, 24 Mar 2021 09:42:06 GMT http://bucarotechelp.com/computers/linux/77082401.asp The Android operating system is actually an offshoot of the Linux operating system. Since its inception, however, Android has developed into a robust, independent operating system designed for mobile devices. Tue, 06 Apr 2021 13:03:11 GMT http://bucarotechelp.com/computers/linux/80010801.asp Linux comes with the GNU Privacy Guard (GnuPG or GPG) encryption and authentication utility. With GnuPG, you can create your public and private key pair on your Linux system, encrypt files with your key, and digitally sign a message. Thu, 22 Nov 2018 11:22:34 GMT http://bucarotechelp.com/computers/linux/80012902.asp In Linux, you can protect the files through file ownership and the permission settings that control who can read, write, or execute the file. Sat, 03 Nov 2018 13:33:42 GMT http://bucarotechelp.com/computers/linux/80020001.asp Like any other OS, Linux needs to be protected with a firewall. Essentially, a firewall is a protective fence that keeps unwanted external data and software out and sensitive internal data and software in. Wed, 31 Oct 2018 11:44:07 GMT http://bucarotechelp.com/computers/linux/80020202.asp When you install most the Linux distributions on a PC connected with an Ethernet card, the Linux kernel automatically detects the Ethernet card and installs the appropriate drivers. The installer also lets you set up TCP/IP networking. Mon, 29 Oct 2018 10:56:26 GMT http://bucarotechelp.com/computers/linux/80090302.asp The typical approach to get software installed on your computer is to get it from a vendor and run the install program. With Linux there is a central repository of software. Just about any program you might want will be in a list of available packages that you can install. Wed, 28 Mar 2018 09:33:16 GMT http://bucarotechelp.com/computers/linux/81022001.asp The growth rate of mobile devices continues to soar. Android is the leading operating system for mobile devices. Cybercriminals have intensified their efforts to hack into Android devices. Wed, 11 Oct 2017 13:02:04 GMT http://bucarotechelp.com/computers/linux/81061201.asp In order to troubleshoot a Linux system that fails to boot, it is important to understand the boot process. Then we can identify at which stage of the booting sequence the failure occurred. Sun, 18 Jun 2017 16:19:18 GMT http://bucarotechelp.com/computers/linux/81111101.asp The Filesystem Hierarchy Standard (FHS), maintained by the Linux Foundation, defines the directory structure and directory contents in Linux operating systems. The main difference between the Windows operating system and Linux is that Linux does not use drive letters. Fri, 20 Jan 2017 14:49:40 GMT http://bucarotechelp.com/computers/linux/82001402.asp This article explains the basic Linux file and directory commands used in their simple forms. How to determine you location in the directory hierarchy, create a directory, delete a directory, create a new file, move a file, copy a file, delete a file, and more. Sat, 17 Dec 2016 21:59:58 GMT http://bucarotechelp.com/computers/linux/82021901.asp Windows, Apple MAC OS, and Chrome are operating systems designed primarily to be marketing devices that wrestle you to their stores. May people are getting fed up with this, that's why Linux is becoming so popular. Wed, 12 Oct 2016 16:42:43 GMT http://bucarotechelp.com/computers/linux/82022102.asp Ubuntu is a completely free, easy-to-use, and popular Linux distribution that is geared toward the desktop user and is designed to be user friendly. Mon, 10 Oct 2016 14:44:53 GMT http://bucarotechelp.com/computers/linux/82022101.asp An operating system consists of a lot of files and the files that make up Linux along with an installer for the files are called a distribution. Mon, 10 Oct 2016 13:27:44 GMT http://bucarotechelp.com/computers/linux/82022302.asp Linux is an operating system that was not created by a corporation or by someone out to make money. The Linux core was created by Linus Torvalds who wanted to create a Unix-like system that would work on home computers. Sat, 08 Oct 2016 20:44:26 GMT http://bucarotechelp.com/computers/linux/82071001.asp Google's Android operating system is a version of Linux customized for mobile devices, developed by the company Android Inc., which was purchased by Google. It has gone through many updates, each version give the name of a different dessert. Sat, 21 May 2016 18:08:48 GMT http://bucarotechelp.com/computers/linux/82102101.asp To master Linux, you need to understand its internals, like how the system boots, how networking works, and what the kernel actually does. Brian Ward makes the concepts behind Linux internals accessible to anyone curious about the inner workings of the operating system. Mon, 08 Feb 2016 14:30:09 GMT http://bucarotechelp.com/computers/linux/82102602.asp This book contains no boring theory. Instead it's packed with 54 hands-on, step-by-step exercises and 185 graphics including screen captures showing you exactly what you should be seeing on your own screen. Wed, 03 Feb 2016 18:28:24 GMT http://bucarotechelp.com/computers/linux/82102601.asp A boot loader is a program that controls the the initial sequence of operations performed in the process of starting the Operating System when the computer is switched on. Wed, 03 Feb 2016 17:09:34 GMT http://bucarotechelp.com/computers/linux/85102202.asp For those who work with computer resources conky universal system monitor will rouse some interest. The main peculiarity of this program is the usage of X Window System functionality to display data on the desktop, be it XFCE, IceWM, KDE, or any other. Fri, 06 Feb 2015 16:19:53 GMT http://bucarotechelp.com/computers/linux/85102201.asp For today's computing platforms, ease of access and openness is essential for web based communications. This is at odds with the increased necessity for comprehensive security measures in a world full of malware and hacking threats. Fri, 06 Feb 2015 14:58:34 GMT http://bucarotechelp.com/computers/linux/85111001.asp In 1988, an improved version of Vi, called vim (vi iMproved), was released. This article provides some examples that illustrate some basic operations with text as well as its extra features that make vim unique and useful. Wed, 21 Jan 2015 15:35:43 GMT http://bucarotechelp.com/computers/linux/89040805.asp If you want to have access to both a Windows and Linux environment on your computer, this guide will show you an easy way to have that using Windows XP and Ubuntu 8. It is assumed that you already have Windows XP installed on your computer and that you have Ubuntu 8 Desktop Edition downloaded and burned onto a CD already. Tue, 23 Aug 2011 19:31:15 GMT http://bucarotechelp.com/computers/linux/89050902.asp Ubuntu Linux is ideal for anyone who is concerned about security of a WAN based virtual desktop infrastructure. It is also perfect for organizations hosting their applications in the cloud, utilizing software-as-a-service through a web browser. Fri, 22 Jul 2011 17:43:05 GMT http://bucarotechelp.com/computers/linux/89051601.asp Ubuntu is a free alternative to Windows which is fast and easy to use. You may want to switch to Ubuntu because of its robust security, speed, freedom, ease of use, low maintenance, and no price. This article will show you step by step how to switch from Windows to Ubuntu. Fri, 15 Jul 2011 13:28:00 GMT http://bucarotechelp.com/computers/linux/89051803.asp If you are new to Ubuntu, or even new to Linux, this book is a great introduction to Ubuntu Linux. However, it goes beyond that. When you finish the book, you will have a lot of knowledge about Ubuntu, and you will be much more comfortable with this excellent operating system. Wed, 13 Jul 2011 17:15:06 GMT http://bucarotechelp.com/computers/linux/90050901.asp The perceived inability to run windows applications on Linux is what keeps many individuals from trying Linux. It turns out that it is possible to run many popular Windows applications on Linux PCs using one of several software technologies. Fri, 23 Jul 2010 18:30:29 GMT http://bucarotechelp.com/computers/linux/93041601.asp with your dual-boot Windows and Ubuntu configuration you can see what Ubuntu can do when installed to your hard disk running at full speed, and you can still run Windows when you need to use legacy applications that don't come in a Linux version. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/93060401.asp One of the biggest buzz words on the Internet today is "Ubunto". Why is Ubunto so popular? Is it really that much better than any other Linux? Is Ubunto a threat to Microsoft Windows? And how difficult is it to try Ubunto? Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/93071701.asp Books have been written with solutions for all the potential pitfalls the Linux-switcher faces. Instead of just telling you what to do, I’m going to tell you how to do things and explain why you're doing them. I'm going to focus on the things that are truly a challenge (and poorly documented), but still give you a head start on the easy stuff. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/93081106.asp You need to learn how to use Linux. And the best way to get Linux training is to work with it and get real, practical Linux experience. There are lots of different ways to get Linux, and lots of different versions of Linux to choose from! Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/95022801.asp With windows, you execute the applications setup program (by double-clicking on setup.exe) and, 99 percent of the time, the application will install succesfully. Compare that to installing software on Linux, where you're supposed to search internet repositories and gather all the components required for the program. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/95061302.asp Knoppix is a bootable CD with a collection of GNU/Linux software, automatic hardware detection, and support for many graphics cards, sound cards, SCSI and USB devices and other peripherals. It is not necessary to install anything on a hard disk. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/95091705.asp An external modem connects to your computer's USB or serial port. External modems have their own controller and DSP circuits. An external modem is the best choice if you have several computers because it be moved without opening the computer's case. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/95100003.asp You'll feel more comfortable using Linux if you understand its file system. Like any operating system, the Linux file system is organized in a hierarchical structure where a directory can contain files or other directories. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/95101402.asp Installing Fedora is as simple as inserting the first CD-ROM into the drive and rebooting. The thing first you need to know when moving to a new operating system is how to manage files. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/95110302.asp Installing Fedora is as simple as inserting the first CD-ROM into the drive and rebooting. But first make sure that your system is set to boot from the CD drive. Watch the on-screen messages as the system boots. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/96051902.asp If want you to explore and learn about Linux without uninstalling Windows or making any changes to your PC, Knoppix is the way to go. maybe someday everyone will carry a Knoppix CD and a CD-RW to use on any computer they find. That day will truly be the death of Windows. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/96061301.asp Linux is growing steadily year after year. With a passionate community backing it, with big companies Like IBM and HP pledging their support for it, it's no wonder Linux, the wonder operating system for servers of the past, has also made it to the desktops of today. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/97092110.asp Linux uses a whole different file system philosophy than Windows. Windows automatically assigns a drive letter to every partition and drive it finds. But Linux makes every partition and drive a subdirectory of the root (/) partition. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/97112460.asp With the availability of OpenOffice, a free Open Source version of Microsoft Office which includes a Word compatible word processor, an Excel compatible spreadsheet, and a PowerPoint compatible presentation application, you no longer need to use Microsoft Windows. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/98000440.asp Today, a computer without Internet access would be severely limited. Mozilla running on Linux provides more reliable and secure Internet access than Internet Explorer running on Microsoft Windows. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/98011541.asp Almost all modems manufactured today are software modems, usually referred to as winmodems. Even though we pay a lot for a winmodem, they are cheap to manufacture because they use very little electronics. Fri, 29 Aug 2008 17:34:35 GMT http://bucarotechelp.com/computers/linux/98011721.asp Linux uses a free version of the X Window System called Xfree86 to control your display. Xfree86 supports VGA, Super VGA, and some accelerated video adapters. If you have a new video card, or new motherboard with on-board video, you may want to download the latest version of Xfree86. Fri, 29 Aug 2008 17:34:35 GMT