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Knowledgebase : Linux & Ubuntu
     
This approach works for any linux operating system, including Ubuntu, and is probably most often used in conjunction with web development work. tail -f /path/thefile.logThis will give you a scrolling view of the logfile. As new lines are added to the end,...
The file browser in Ubuntu provides the ability to run scripts on a selected file. These scripts can be used to do anything from opening a file to zipping or uploading, or anything that you can do from the command line.To start off, we will need to open a...
Enabling remote desktop mode is extremely easy on Ubuntu since Dapper. You can allow other users to access your desktop using the VNC Viewer utility that is bundled with Ubuntu, or offered as a free download for Windows.Note that enabling remote control o...
Since we spend so much time at the command line in Ubuntu, it sometimes makes it simpler to launch a new terminal window with a shortcut key.Ubuntu has a built-in utility for assigning shortcut keys. Go to System \ Preferences \ Keyboard Shortcuts: Scroll...
Ubuntu includes a very limited shortcut key configuration utility which doesn't allow you to assign hotkeys to your own applications or scripts. To get around this limitation, we can use the built-in gconf-editor utility to assign them ourselves.First you...
Every time I connect to my Ubuntu development server through my ssh client, I receive the same message and I'm getting tired of seeing it, so I decided to change the message to something else. Here's the message that I get every time:Linux superfast 2.6.2...
Many of the utilities in Ubuntu Linux use a text editor to allow you to edit configuration options and files. An example of this is using the crontab command, which allows you to edit your cron jobs using the default editor. It's really easy to set the de...
Many of the utilities in Ubuntu Linux use a text editor to allow you to edit configuration options and files. An example of this is using the crontab command, which allows you to edit your cron jobs using the default editor. It's really easy to set the de...
VMware Workstation includes a network utility that allows you to manage the virtual networks. Typically virtual machines will use NAT (Network Address Translation) to automatically assign a virtual IP address that hides behind your host address, but...
If the Ubuntu Server installer has set your server to use DHCP, you will want to change it to a static IP address so that people can actually use it.Changing this setting without a GUI will require some text editing, but that's classic linux, right?Let...
There are a lot of reasons you might want to manually set your MAC address for your network card. I won't ask you what your reason is.To change this setting, we'll need to edit the /etc/network/interfaces file. You can choose to use a different editor ...
Ubuntu Linux, like all unix varieties, includes the du command line utility. du stands for Disk Usage, as I'm sure you assumed.Go ahead, just type the command in your home directory:geek@ubuntu-desktop:~$ du 8 ./.gconf/desktop/gnome/accessibility/keyboard...
Ubuntu Linux includes a great Disk Usage Analyzer GUI tool that will let you figure out what files and folders are taking up all the space on your hard drive. This is one of those great little tools that should be bundled with every operating system.Yo...
One of the things in Ubuntu that has always driven me crazy is the addition of new items into the grub menu without removing the old entries that likely don't even work anymore. I'm sure most experienced Ubuntu users already know how to do this, but here'...
If you are like me, you've just gotten the news about the new Google Desktop client for Linux, and you are removing the current Beagle search for Ubuntu so you can replace it with Google instead. The only problem is that the Beagle search had a huge cache...
If you've been using the default movie player in Ubuntu to play videos, you might have noticed that there's no way in the application to clear the recent history of watched movies. This could cause issues if you happened to open a video that you don't ...
Very simple, either use the clear command:clearor hit Ctrl+L
One of the nicest features of Ubuntu Linux is the automatic update feature, which helps you keep your computer updated with the latest software and security updates. There's also a nice GUI tool that helps you configure how often updates are checked, and ...
If you've installed Suse using the CD/DVD installation, the default setting is for software installations to load from the cdrom instead of off the internet repositories. Since I'm always connected directly to the internet, I'd much prefer to download and...
Has this ever happened to you? I created a new virtual machine running Ubuntu on my VMware server before I left home, but forgot to install the ssh server… so I couldn't get to that machine at all from my remote location. Rather than driving back ho...
If you are using Samba Server on your network, you will want to create users that have access to use it. There's a very simple command structure on how to do so.I'm assuming that you've already installed Samba Server at this point.There are two steps to c...
The find utility on linux allows you to pass in a bunch of interesting arguments, including one to execute another command on each file. We'll use this in order to figure out what files are older than a certain number of days, and then use the rm command ...
Ubuntu will automatically launch a CD burning tool when you insert a blank data cd or dvd. This can sometimes interfere with something else you are doing right at that moment.To disable this, navigate to System \ Preferences \ Removable Drives and Media:U...
From a command prompt or terminal window, run this command:netstat -rnYou should see output that looks similar to this: Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 192.168.1.0 0.0.0.0 ...
SecureCRT uses the Ctrl+Ins and Shift+Ins keys for copy and paste instead of the normal windows defaults of Ctrl+C / V. The reason why this is done is because most unix or linux varieties use those keys as part of the shell.I was searching for a quicker m...
If you do a lot of tweaking to the panels in Gnome or KDE, you've probably run into an instance where you enabled a plugin or changed a setting and need to restart to see the effect (or maybe you locked something up). Instead of logging out or rebooting, ...
Gmail… it's pretty much required. And now you can set Gmail as the default client in Ubuntu without any extra software. (Windows requires the Gmail notifier be installed)Just go to System \ Preferences \ Preferred Applications  Under Mail Reader,...