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0 How to Install Software in Red Hat Linux

Red Hat is the basis of PC, Linux OS, Mandriva and Fedora. If your distro doesn't include all the software you want, you can install additional software from the internet (whether you have broadband or dial-up) or removable media. This can be accomplished graphically or using the command line.
 

Steps

 

Understand that in Linux, software is bundled in packages which can be downloaded from repositories (repos). Installation tools are called package managers which automatically resolve dependencies on other software libraries.
 

  2 Now for the command line. Open a root shell/terminal. 

 

3 Type the root password.

 

4 To update the package lists type yum check-update

 

5 Type yum install "program name".

 

6 For example, to install the Dillo web browser, you would type yum install dillo

 

7 Confirm by pressing Y.

 

 

8 -You're done!

0 Red hat enterprise linux Keyboard shortcuts

Keyboard binding	What it does	Mouse equivalent
Alt-Space	Brings up the window menu.	Click on the window icon in the menubar.
F1	Starts the help browser for the current application.	Select Help -> Contents.
F6	Moves focus to pane. If more than one pane is available in the application, cycles between them.	No mouse equivalent.
F8	Moves focus to pane separator. If more than one pane separator is available in the application, moves between them. Once selected, the pane selector can be moved by using the arrow keys, the Page Up and Page DownHome and End keys. keys, and the	Click and drag the pane separators.
F10	Gives focus to and opens the menubar.	Click on the the menubar.
Shift-F10	If available, opens the context menu for the part in focus.	Right click on the desired widget.
Ctrl-F10	In the file chooser, opens the context menu for the general area.	Right click on a blank space in the file pane.
F11	Toggles full screen mode.	Select View -> Fullscreen.
Ctrl-X	Cut highlighted text.	Right click on highlighted text and select Cut.
Ctrl-C	Copy highlighted text.	Right click on highlighted text and select Copy.
Ctrl-V	Paste cut or copied text.	Right click on highlighted text and select Paste.
Ctrl-+	Zoom in.	Select View -> Zoom in.
Ctrl--	Zoom out.	Select View -> Zoom out.
Tab	Moves to next widget in window.	Some widgets can be selected with a mouse click. Others cannot.
Shift-Tab	Moves to previous widget in window.	Some widgets can be selected with a mouse click. Others cannot.
Ctrl-Tab	Moves to next widget in window even when a normal Tab does not work. For example, in a text entry box, Tab adds a tab space.	Some widgets can be selected with a mouse click. Others cannot.
Ctrl-Space	Select item in addition to previous selections.	Ctrl-left click on the item.
Ctrl-Arrow Key	Move focus without affecting selection.	No mouse equivalent.
Ctrl-L	Moves focus to the location bar.	Click in the location bar.
Ctrl-Page Up	Move to the tab on the left of current one.	Select the tab.
Ctrl-Page Down	Move to the tab on the right of current one.	Select the tab.
PrtScn	Takes a screenshot of the desktop.	No mouse equivalent.
Alt-PrtScn	Takes a screenshot of the window in focus.	No mouse equivalent.
Ctrl-Alt-Tab	Toggles focus between the desktop and individual panels..	No mouse equivalent.
Ctrl-Alt-D	Hide all applications to show the desktop.	Click the Hide all button located in the panel.

Table 1. GNOME keyboard bindings

Firefox

Although not technically part of the GNOME project, Firefox uses many of the keyboard bindings shown in Table 1, “GNOME keyboard bindings”. Supplemental bindings are shown in Table 2, “Firefox keyboard bindings”. 

Keyboard binding	What it does	Mouse equivalent
Ctrl-N	Creates a new Firefox window.	Select File -> New Window.
Ctrl-T	Creates a new tab in the current Firefox window.	Select File -> New Tab.
Alt-Left Arrow	Go to previous page in your browsing history.	Click Left Arrow in the toolbar.
Alt-Right Arrow	Go to the next page in your browsing history.	Click Right Arrow in the toolbar.
Alt-Home	Go to the home page.	Click on Home in the toolbar.
Ctrl-R	Reload page.	Click on Reload in the toolbar.
Ctrl-O	Allows you to choose an existing file to show in the current Firefox window.	Select File -> Open File.
Ctrl-W	Close current tab. If only one tab is open in the window, closes the window.	Select File -> Close Tab.
Ctrl-Shift-W	Closes the current window. If only one window is open, Firefox exits.	Select File -> Close Window.
Ctrl-S	Prompts you for a file name under which to save the current page.	Select File -> Save Page As….
Ctrl-P	Prints the current page.	Select File -> Print….
Ctrl-F	Search in current page.	Select Edit -> Find in This Page….
Ctrl-G	Repeat the same search.	Select Edit -> Find Again
Ctrl-U	View the source HTML for the current page.	Select View -> Page Source.
Ctrl-H	Opens the History pane.	Select Go -> History.
Ctrl-D	Adds current page into your bookmarks.	Select Bookmarks -> Bookmark This Page….

Table 2. Firefox keyboard bindings

Evolution

Because Evolution is a suite of applications, each component has its own set of keyboard bindings. Table 3, “General Evolution keyboard bindings” shows the generic Evolution bindings while Table 4, “Evolution keyboard bindings in the mail view”, Table 5, “Evolution keyboard bindings in the mail composition window”, and Table 6, “Evolution keyboard bindings in the calendar window” show the keyboard bindings for the mail component, the mail composition window, and the calendar component respectively. 

Keyboard binding	What it does	Mouse equivalent
Ctrl-N	Creates a new email, contact, task, or appointment, depending on which view you are in.	Click on New.
Ctrl-Shift-M	Creates a new email independent of your current view.	Click on the down arrowNew and select Mail Message. next to
Ctrl-Shift-C	Creates a new contact independent of your current view.	Click on the down arrowNew and select Contact. next to
Ctrl-Shift-A	Creates a new appointment independent of your current view.	Click on the down arrowNew and select Appointment. next to
Ctrl-Shift-T	Creates a new task independent of your current view.	Click on the down arrowNew and select Task. next to
Ctrl-P	Print	Click Print.
Ctrl-W	Close current window.	Select File -> Close.
Ctrl-Q	Quit Evolution.	Select File -> Quit.
F9	Send any outgoing mail and get any incoming mail.	Click on Send/Receive.
Ctrl-F1	Change to mail view.	Select View -> Window -> Mail.
Ctrl-F2	Change to contacts view.	Select View -> Window -> Contacts.
Ctrl-F3	Change to calendars view.	Select View -> Window -> Calendars.
Ctrl-F4	Change to tasks view.	Select View -> Window -> Tasks.

Table 3. General Evolution keyboard bindings

 

Keyboard binding	What it does	Mouse equivalent
Ctrl-Y	Apply filters to selected messages.	Select Actions -> Apply Filters.
Ctrl-O	Open selected message in new window.	Double click on selected message.
Ctrl-R	Reply to sender for the selected message.	Click on Reply.
Ctrl-Shift-R	Reply to all for the selected message.	Click on Reply to All.
Ctrl-F	Forward selected message.	Click on Forward.
] or .	When the message list has focus, goes to next unread message.	Click on the message.
[ or ,	When the message list has focus, goes to previous unread message.	Click on the message.
Ctrl-K	Marks selected messages as read.	Click on the envelope icon on the left of the message line to toggle read status.
Ctrl-Shift-K	Marks selected messages as unread.	Click on the envelope icon on the left of the message line to toggle read status.
Ctrl-E	Expunge deleted messages.	Select Actions -> Expunge.

Table 4. Evolution keyboard bindings in the mail view

 

Keyboard binding	What it does	Mouse equivalent
Ctrl-Return	Send message.	Click on Send.
Ctrl-S	Save as a file.	Select File -> Save.
Ctrl-Shift-L	Spell check the email.	Select Edit -> Spell Check Document.
Ctrl-Alt-A	Add attachment to email.	Click Attach.
Ctrl-Z	Undo last edit.	Click Undo.
Ctrl-R	Redo edit that had been undone.	Click Redo.

Table 5. Evolution keyboard bindings in the mail composition window

 

Keyboard binding	What it does	Mouse equivalent
Ctrl-Shift-E	Create a new meeting.	Select File -> New -> Meeting.
Ctrl-Shift-P	Create a new all-day appointment.	Select File -> New -> All Day Appointment.
Ctrl-Alt-T	Go to today's calendar page.	Click Today.
Ctrl-Alt-G	Go to a selected date on the calendar page.	Click Go To.
Ctrl-D	Delete selected appointment.	Select Edit -> Delete.
Ctrl-E	Purge all appointments from calendar before set date.	Select Actions -> Purge.

Table 6. Evolution keyboard bindings in the calendar window

OpenOffice.org

Like Evolution, OpenOffice.org is a suite of different applications. Their shared keyboard bindings are shown in Table 7, “General OpenOffice.org keyboard bindings” while Table 8, “OpenOffice.org writer keyboard bindings” and Table 9, “OpenOffice.org Calc keyboard bindings” show individual keyboard bindings for OpenOffice.org Writer and OpenOffice.org Calc respectively.

These tables show some of the more important keyboard bindings. OpenOffice.org actually has many more. You can find a list of them in the help section for each application, which, if you check Table 1, “GNOME keyboard bindings”, can be started by pressing F1. 

Keyboard binding	What it does	Mouse equivalent
Ctrl-O	Open a document	Select File -> Open….
Ctrl-S	Save the current document.	Select File -> Save.
Ctrl-N	Create a new document.	Select File -> New.
Ctrl-Shift-N	Open the Templates and Documents window.	No mouse equivalent.
Ctrl-P	Print current document.	Select File -> Print.
Ctrl-F4	Close current window.	Select File -> Close.
Ctrl-Q	Quit OpenOffice.org.	Select File -> Quit.
Ctrl-Z	Undo last edit.	Select Edit -> Undo.
Ctrl-Y	Redo edit that has been undone.	Select Edit -> Redo.
Ctrl-A	Select all.	Select Edit -> Select All.
Ctrl-F	Search in the current document.	Select Edit -> Find & Replace.
Ctrl-Shift-F	Searches again with the same string.	In the Find & Replace window, click on Find.
Ctrl-Shift-J	Toggles full screen mode.	Select View -> Full Screen.
Ctrl-B	Marks selected text as bold.	Click B in the toolbar.
Ctrl-I	Marks selected text as italic.	Click I in the toolbar.
Ctrl-U	Marks selected text as underlined.	Click U in the toolbar.

Table 7. General OpenOffice.org keyboard bindings

 

 

Keyboard binding	What it does	Mouse equivalent
F2	Show the formula bar.	Select Table -> Formula.
F4	Toggle data sources pane.	Select View -> Data Sources.
F5	Toggle navigator window.	Select Edit -> Navigator.
F7	Spell check document.	Select Tools -> Spellcheck.
Ctrl-F7	Use the thesaurus for current word.	Select Tools -> Language -> Thesaurus….
F11	Toggles the Style and Formatting window.	Select Format -> Styles and Formatting.
F12	Start numbered list mode.	Click the numbered list icon in the toolbar.
Shift-F12	Start bullet list mode.	Click the bullet list icon in the toolbar.
Ctrl-D	Marks selected text with a double underline.	No mouse equivalent.
Ctrl-J	Justify selected paragraph.	Select Format -> Alignment -> Justified.
Ctrl-E	Center selected paragraph.	Select Format -> Alignment -> Centered.
Ctrl-L	Align selected paragraph to the left.	Select Format -> Alignment -> Left.
Ctrl-R	Align selected paragraph to the right.	Select Format -> Alignment -> Right.
Ctrl-Enter	Create a page break.	Select Insert -> Manual Break.
Home	Move cursor to the beginning of line.	Click on beginning of line.
Ctrl-Home	Move cursor to the beginning of document.	Scroll to beginning of document.
End	Move cursor to the end of the line.	Click on the end of the line.
Ctrl-End	Move cursor to the end of the document.	Click on the end of the document.

Table 8. OpenOffice.org writer keyboard bindings

 

Keyboard binding	What it does	Mouse equivalent
F2	Edit the current cell.	Click in the input line.
Ctrl-F2	Open the Function Wizard.	Select Insert -> Function….
F5	Toggles the Navigator window.	Select Edit -> Navigator.
F7	Checks spelling in current sheet.	Select Tools -> Spellcheck.
F9	Recalculate all the formulas on current sheet.	Select Tools -> Cell Contents -> Recalculate.
F11	Opens the Styles and Formatting window.	Select Format -> Styles and Formatting.
F12	Group selected rows or columns together.	Select Data -> OutlineGroup…. ->
Ctrl-F12	Removes grouping from selected rows or columns.	Select Data -> OutlineUngroup…. ->
Alt-Down Arrow	Increase the height of the current row.	Select Format -> RowHeight and edit manually. ->
Alt-Up Arrow	Decrease the height of the current row.	Select Format -> RowHeight and edit manually. ->
Alt-Right Arrow	Increases the width of the current column.	Select Format -> Column -> Height and edit manually.
Alt-Left Arrow	Decreases the width of the current column.	Select Format -> Column -> Height and edit manually.
Alt-Shift-Down Arrow or Alt-Shift-Up Arrow	Set the row height to exact height of selected entry.	No mouse equivalent.
Alt-Shift-Right Arrow or Alt-Shift-Left Arrow	Set the column width to exact width of selected entry.	No mouse equivalent.
Home	Move cursor to the first cell in the current row.	Click on the appropriate cell.
End	Move cursor to the cell in the current row. The last cell is defined as the one in the last column with data.	Click on the appropriate cell.
Ctrl-Home	Move cursor to cell A1 in the current sheet.	Scroll to the top and click on cell A1.
Ctrl-End	Move cursor to last cell in the spreadsheet.	Scroll to the end of the sheet and click on cell.
Ctrl-Page Up	Show the sheet to the left.	Click on the appropriate sheet tab.
Ctrl-Page Down	Show the sheet to the right.	Click on the appropriate sheet tab.

Table 9. OpenOffice.org Calc keyboard bindings

0 Finding Ip Address Of A Website Using Command Prompt Or CMD

In this tutorial i will teach you to find Ip Address of any website using Command Prompt or in short CMD. Using IP Address you can find location of the website server and do more stuff. I will demostrate this tutorial with Google but you can use this method to find IP Address of any website like twitter, facebook etc. So lets get started.

How to find IP ?

1. Go to Start > Type CMD and press Enter.
2. Now write Ping followed by website URL whose IP you want to find.

3. It will take less then a second and come up with the results as shown below.

0 How To Run WhatsApp On Your Desktop Computer?

WhatsApp is a really cool messaging app that lets you send messages and chat with your buddies absolutely free of charge! It is the most popular messaging app for Android and iOS smartphones, and rightly so! It connects people from around the world. But the problem is, it's only made for smartphones. You can't use it well on older/feature phones. And even if you do own a smartphone, it drains away your precious battery time, since it needs internet connectivity to do its thing. Well if you're like me and don't want to let battery timing get in the way, there's a solution! You can install and use the app right from your desktop computer!

What is WhatsApp?

WhatsApp is a free messenger designed to be used on smartphones. It works over the internet and allows you to talk to any person living anywhere on planet Earth provided that you know their cellphone number. The app is designed for Nokia Symbian, iPhone, Android and Windows Phone devices and it’s completely free to use for the first year. Don’t let that last line bother you, since there are ways to get it for an unlimited time.

I did not mention PC or Mac in the supported platforms because this app is not officially available on them. But the title wasn’t misleading since we got it running on a PC and Mac.

What will I need?

The tools or rather software that you need is a simple Android emulator for PC/Mac. The one we’ll be using is the well-known Bluestacks App Player you can download from the link provided below.

• Download Bluestacks App Player!

And yes, WhatsApp will need your cell-number so you better make sure you have one.

Your system must have a 1GB+ RAM for running the emulator. Good graphics card and processor will obviously result in better rendering but a simple one would also do. Mac OS X or PC with XP SP3, Vista, 7 and 8 are supported.

Let’s Begin…

The steps shown below work for both PC and Mac. Just make sure you download the correct version of Bluestacks.

• First up, download and install Bluestacks app player. It’s a straight forward installation. However it might want to download extra stuff so your internet connection better be working
• Run the player from the desktop icon. You’ll get to a screen similar to the one shown below

• Click on the Search icon and enter WhatsApp
• Select WhatsApp Messenger from the list and proceed to the installation. It might also ask you for a Google account, just provide that right away. Since it is an Android emulator, you’ll be navigated to Google Play. Click Install and it’ll start the download.

• And that’s it! WhatsApp will ask you to enter a valid phone number. The verification will also work through that number so you better enter it correctly.
• Great! Now you can use WhatsApp the way you do it on a smartphone. You can customize your profile, contact all your friends regardless of which platform they are running the app on and also get live notifications of new messages from the emulator.

You can open up the app form the My Apps category in the main screen.

So why WhatsApp?

There are several other such messenger services available on the same platforms. You have Viber, Wechat, Kik and whatnot. Firstly, WhatsApp is the most popular app of the lot. Secondly, WhatsApp has got everything - you can communicate text, images or even high quality videos with friends. Plus, it’s simple and easy to use. And if your one-year free license expires, you can always reinstall the app to get it back.
WhatsApp is not officially released for PC/Mac but there are ways like the one mentioned above that make that happen. The methodology is simple but works quite well. WhatsApp is also the best of its kind which makes it a must-have. Just in case you were wondering throughout this tutorial, YES you can run any android app/game on the software mentioned. Guess your life just got better, much better!

Got any questions? Feel free to shoot 'em in the comments section below. Cheers :)

0 How to Change Your Logon and Boot Screen in Windows XP

Start changing your windows xp Logon  and boot screen perfectly by yourself.You can change your XP logon and boot scree with logon loader and bootskin software.You can also change your logon background without  using  any software.Now I share how you change your  XP logon and boot screen with software.This so easy to change your screen with software.Follow the following commands to change your windows logon and boot screen :.. 

First of all click here and then and download it and then install it.

Now click here to download the "Logon loader" software to change your XP logon screen.

Now install it then go to www.deviantart.com

Now search there "windows XP logon" .

Now download one by your choice.

Now open your "logon loader " software and click on"select a logon screen "

Now select your logon which you dowload from www.deviantart.com

It will like this.And show the preview.

Now restart your computer and see your logon screen is changed.

#Now for changing your boot screen follow the following command :..
First of all click here to download "bootskin" software.

Now install it.

Now select anyone logon for your for your boot screen.

And click there apply.You can also see the preview of the boot screen.Ii wiil like this one.

Enjoy it from now.