XMMS on Ubuntu
I’ve finally got new hdd for my laptop. So I decided to dedicate myself on getting to know more about Desktop version of Ubuntu. Latest copy was installed successfully without any troubles except driver for Nvidia. But that was easily solved by downloading and installing latest driver.
3 Things in Linux you should NOT Install
While I’m all for promoting the use of Linux and software on Linux, unless you absolutely know what you’re doing, there are certain things you should not install. Entirely too often, I see people on LinuxQuestions.org asking how to configure one of these or why they will not work. So, in no particular order, 3 [...]
Linux file permissions
The basics of file ownership and permissions on Linux. Learn to understand who are the owners of a file or directory, how the file permissions work and how you can view them, and learn how to set basic file permissions yourself.
How to change a file’s owner and group in Linux
< chown – change the owner of a file >
You can change the owner and group of a file or a directory with the chown command. Please, keep in mind you can do this only if you are the root user or the owner of the file.
Set the file’s owner:
$ chown username somefile
After giving this [...]
Limits for Linux filesystems
File System
File Size (Bytes)
File System Size (Bytes)
Ext2 or Ext3 (1 kB block size)
234 (16 GB)
241 (2 TB)
Ext2 or Ext3 (2 kB block size)
238 (256 GB)
243 (8 TB)
Ext2 or Ext3 (4 kB block size)
241 (2 TB)
243-4096 (16 TB-4096 Bytes)
Ext2 or Ext3 (8 kB block size) (systems with 8 kB pages, like Alpha)
246 [...]
vi search
In Vi or Vim, use the forward slash </> to search. Then type in your search string and hit <Enter>. You can navigate through occurrences of your search string using <n> to move forward and <N> to move backwards. Below is an example search for the string ‘array’.
Block root access to SSH service
SSH (Secure Shell) is a protocol for creating a secure connection between two computers.The secure SSH connection provides authentication and encryption. SSH also provides compression and is most common way for users and root to get connect to the server (Linux), the main reson behind blocking the root user is to allow the admin to [...]
What is 127.0.0.1?
127.0.0.1 is the standard IP address used for a loopback network connection.
This means that if you try to connect to 127.0.0.1, you are immediately looped back to your own machine. If you telnet, ftp, etc… to 127.0.0.1, you are connected to your own machine.
In other words, 127.0.0.1 is you.
For example, if your system was named [...]
Linux Filesystem Hierarchy
Here is a very cool and beautiful representation of the hierarchy which I found @linuxconfig.org site. The diagram below represents (part of) a Linux file system.
HowTo keep your Ubuntu up-to-date
It is important to have the system updated, so that we have all the latest patches, security fixes and packages upgrades from the repositories.
First, navigate to: System –> Administration –> Software Sources
and check that all repositories are enabled.
Then, open the terminal: Applications –> Accessories –> Terminal
and type: (you need to provide the password here)
sudo apt-get [...]
