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How to keep the existing file attributes (owner, timestamp, etc) when copying files or...

When copying files and especially directories, sometimes you want to keep the existing file attributes. For example, you may likely want to keep the same owner, group, timestamp, etc. You can keep the attributes by using the preserve argument. preserve=all

Newbie: how to edit a file from the command line

Could there be any more basic question? We all know there are no stupid questions, but I sure felt dumb having to look up this one. I found the built in editor nano. Likely more searching will yield a better

How do I know which kernel I am using?

How do you know which linux kernel you are using? uname -kFind out other system info withuname -a

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 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 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

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

How to Prevent Server (Daemons) From Starting During Apt-Get Install

Some times you may not want a server or daemon to start as part of the postinstall scrip when installing with apt-get or dpkg. To prevent servers from starting, do the following: # Prevent launch of servers during apt-get install

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 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: