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Ubuntu Missing add-apt-repository Command

Problem: apt-get-repository Command is Missing I was trying to install the latest version of git from the Ubuntu Git Maintainers Team and I needed to add a Personal Package Archive (PPA) to the Software Sources. But when I tried to

How to View the Current Time From the Command Line

To see the current time from the Ubuntu or Linux command line: date which will give you: Fri May 30 15:53:21 EDT 2008 To see how to include and format dates and times in your shell scripts, see this post:

How to Rename a File or Directory

There is no rename function in Ubuntu Linux. Instead, you simply move the file, giving it a new name. If you don’t actually mv it to another directory, then you have effectively renamed it: If you are trying to rename

How to Check the Ubuntu Version

How do you know which version of Ubuntu you are running? This will return something like this: Related posts: Setup WordPress or WPMU to make an atomic version switch — AND allow you to revert I have a new WordPress

How to Move or Copy a Directory

I was trying to copy a directory, and I kept getting a cryptic error: cp: omitting directory `/var/log' The copy (cp) command only works for files. To copy a directory, you need to use the -r recursive flag: In this

Failed Ubuntu Apt-Get Upgrade Corrupts the Available File

I was upgrading Ubuntu packages with The upgrade failed with a segmentation fault. I tried again, but found I had a corrupted /var/lib/dpkg/available file. I first go this error: I edited the available file and fixed the problem. But then

Upgrading Ubuntu to Use the Latest Git Version

Problem: Ubuntu Won’t Upgrade to the Latest Git Version I was running script that clone some git archives from GitHub and I got the following error: But when I tried to upgrade git, Ubuntu told me I already had the

Setup WordPress or WPMU to Make an Atomic Version Switch — AND Allow You...

I have a new WordPress MU (WPMU) install and I am ready for my first upgrade. I couldn’t get automatic upgrade to work, and all the forums said: do it by hand manually. This is fine, but I didn’t want

How to Change Your Password From the Command Line

To change your own password from the command line: To change the password for another user, you must use sudo: Related posts: Newbie: how to edit a file from the command line Could there be any more basic question? We

How to Easily View the End of a Log File

Ubuntu/Linux log files can be quite long with many entries, but usually you only care about the end. So, how can you quickly view the last few entries in a log file? Use the tail command: To watch the latest