There is a tool available for Ubuntu called Boot-Up Manager that allows you to disable programs and services from starting up every time you start your computer. You can also use Boot-Up Manager to enable a service to start up automatically.

To install the Boot-Up Manager, press Alt + F2 to open the Run Application dialog box. Enter the command below to run the Synaptic Package Manager with administrator privilege and click Run.

gksu synaptic

In the Quick search edit box on the Synaptic Package Manager dialog box, enter “bum” (without the quotes). The results of your search display as you type the search term. Select the bum package in the list.

Click the check box to the left of bum and select Mark for Installation from the popup menu.

The bum package requires another package called menu before proceeding with the installation. Click Mark on the dialog box that displays to mark the additional required package.

Click Apply on the Synaptic Package Manager dialog box to apply your changes.

A Summary dialog box displays giving you one last chance to review the changes and cancel or change the installation. Click Apply to continue with the installation.

Once the required packages are downloaded, the installation begins and the Applying Changes dialog box displays the progress.

When the installation finishes, click the Close button on the Changes applied dialog box.

To close the Synaptic Package Manager, select Quit from the File menu.

To open the Boot-Up Manager select Administration | BootUp-Manager from the System menu. Enter your password when prompted.

The main Boot-Up Manager window displays with a Progress dialog box while the data about the boot-up programs and services in your system is loaded.

Once the data is loaded, the list of boot-up programs and services displays.

Before turning off or on any services, enable the advanced mode by selecting the Advanced check box. This enables more tabs and displays more information.

Now, you can enable and dis­able pro­grams and ser­vices by selecting the check box next to each program/service to remove or insert the check mark. For example, since we are not using the Bluetooth service on our system, we will turn it off. We can always turn it on again if we need it. You can click the Bluetooth services check box on the Summary tab.

However, you can also click the bluetooth service check box on the Services tab.

We are also going to select the cron check box turn on the cron service so we can schedule automatic tasks to be run in our system.

Click Apply to apply your changes.

A dialog box displays asking if you want to start or stop the services immediately. If you choose not to, your changes will take effect the next time you reboot your computer. We clicked Yes to stop the Bluetooth service and start the cron service immediately.

You will notice that the cron service moved up in the list to where the Bluetooth service was. Boot-Up Manager lists all the activated services first, so the Bluetooth service moved down in the list.

Once you have turned on and off the desired programs and services, click the Quit button to close the Boot-Up Manager.

WARNING: Before you enable or dis­able a ser­vice, make sure you know what the ser­vice does. Dis­abling the wrong ser­vice may stop your com­puter from boot­ing up.

by Lori Kaufman

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Start and Stop Services Automatically in Ubuntu

NOTE: You can permanently delete a file using the keyboard by selecting the file and pressing the Shift + Delete key combination.

When you right-click on the file to be deleted in the Nautilus File Browser, the only option for deleting the file is Move to Trash.

Then, you must manually empty the trash.

To add an option to the popup menu within the Nautilus File Browser that allows you to permanently delete a file without it being placed in the Trash first, select Preferences from the Edit menu in the File Browser.

On the File Management Preferences dialog box, click the Behavior tab. In the Trash section, select the Include a Delete command that bypasses Trash check box so there is a check mark in the check box.

Click Close to close the File Management Preferences dialog box.

Now, when you right-click on a file you want to delete, you will see the Delete command on the popup menu, most likely right below the Move to Trash option.

Because the Delete option permanently deletes the file and bypasses the Trash, a dialog box displays to make sure you really want to delete the file. Click Delete if you are sure.

WARNING: Using the Delete option to delete a file is permanent and cannot be undone. So be sure you want to delete a file before selecting the Delete option to do so.

by Lori Kaufman

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Bypass the Trash Can When Deleting Files in Nautilus

There are two extensions for Firefox that, together, can emulate behavior similar to the visual tabs in Opera. The Tab Sidebar extension provides a sidebar in the browser that can act as a replacement to the main tab bar, complete with preview thumbnails that are always visible and in-tab navigation buttons. The Tab Preview extension provides previews of non-active tabs on the tab bar.

Tab Sidebar

First, we will install Tab Sidebar to get the visual tabs like Opera.

Install Tab Sidebar from

https://addons.mozilla.org/en-US/firefox/addon/6535/.

Once the Tab Sidebar is installed, select Sidebar | Tab Sidebar from the View menu to activate it.

NOTE: You can also press Ctrl + Shift + E to activate the Tab Sidebar.

Previews of all the open tabs display in the sidebar at the left side of the Firefox window. Moving your mouse over each preview displays a slightly bigger preview of the tab.

To view more tabs, use the wide arrow buttons at the bottom and the top of the sidebar to scroll down and up through the tab previews.

There are some options you can set to customize the Tab Sidebar. To access these options, select Add-ons from the Tools menu.

The Add-ons dialog box displays. Scroll through the list until you find Tab Sidebar and select it. Click the Options button.

The Tab Sidebar Options dialog box displays. If you want the tab bar to displays even when the sidebar displays, select the Hide the tab bar when the sidebar is open check box. Use the Display navigation buttons check box and the Display page previews check box to show or hide these features.

If you want the Tab Sidebar to emulate Opera’s visual tabs more closely, you can select Top from the drop-down list in the Position box.

Click OK when you are finished setting the options.

The visual tabs now display above the tab bar, and scroll buttons are available on the left and right sides of the tab previews.

Click the X button in the upper, right corner of the Add-ons dialog box to close it.

To close the Tab Sidebar and get the tab bar back, press Ctrl + Shift + E, select Sidebar | Tab Sidebar from the View menu, or click the X button on the Tab Sidebar header.

Tab Preview

Now, we will install the Tab Preview extension to get tab previews on the non-active tabs on the tab bar.

Download Tab Preview from

https://addons.mozilla.org/en-US/firefox/addon/6132/

You do not have to do anything to activate Tab Preview. Simply move your mouse over a non-active tab to see a preview of the current web page on that tab.

To access Options for Tab Preview, select Add-ons from the Tools menu as mentioned earlier in this post. Select the Tab Preview add-on and click the Options button.

The Tab Preview dialog box displays. Select an option in the Preview Size box to specify the size for the tab previews. If you want a delay before the preview displays, select the Before displaying preview, wait check box in the Preview Delay box and specify a time in milliseconds in the edit box.

If you want to display the web page in the currently-scrolled position on the preview, select the Have preview display the scrolled position radio button in the Preview Scrolled View box.

The combination of these two extensions is a good substitute for the visual tabs available in Opera and allow you to continue to use Firefox if that is your preferred browser.

by Lori Kaufman

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Make Firefox Tabs Act Like Visual Tabs in Opera

Download Google Chrome from

http://www.google.com/chrome/eula.html.

On the download page, select one of the .deb packages, depending on whether you have a 32 bit or a 64 bit computer.

Read through the license agreement and click Accept and Install.

On the Opening dialog box, select the Open with radio button and make sure the GDebi Package Installer (default) is selected from the drop-down list. Click OK.

The Package Installer dialog box displays. Click Install Package.

The progress of the installation displays in a dialog box.

When the installation is finished, click Close.

NOTE: If you have selected the Automatically close after the changes have been successfully applied check box when installing a different .deb package or while the current installation was happening, this dialog box will close automatically.

To close the Package Installer, select Quit from the File menu.

To make Google Chrome the preferred application for surfing the web, select Preferences | Preferred Applications from the System menu.

The Preferred Applications dialog box displays. Make sure the Internet tab is active. In the Web Browser section, select Google Chrome from the drop-down list.

Click Close.

To open Google Chrome, select Internet | Google Chrome from the Applications menu.

The Welcome to Google Chrome dialog box displays. Select the Make Google Chrome the default browser check box and click Start Google Chrome.

Now, when a browser is automatically opened, for example, by opening an HTML file, or a link in another program, Google Chrome will open instead of Firefox.

by Lori Kaufman

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Install Google Chrome and Make it the Default Web Browser in Ubuntu