If disk space is limited on your Linux or Unix server and you wish to backup a folder or file that is larger than the available free space. Then creating a compressed archive in one step may be the only…
Tag: Unix
How to change Red Hat Linux to boot to command line mode from Gnome.
Changing the default runlevel of the Red Hat Linux server can switch the bootup from Gnome to command line mode. You can make the changes consitent by editing the /etc/inittab file. Change the line id:5:initdefault: to id:3:initdefault: The number 5…
Gnome desktop will not start via the Red hat Linux server console.
I received an error when loggin onto the Gnome desktop via the server console. The server is running Red Hat Enterprise Linux ver 4. I’m able to logon to the server via the command line without any issue. All services…
How to install and initialize telnet on Red Hat Enterprise Linux or Fedora Core Linux.
Telnet is a very old communication protocol, it is not secure because the password authentication is transmitted in clear text. SSH is a secure protocol and is the replacement for telnet. Red Hat recommends that you use SSH to connect…
How to create a new logical volume in Red Hat Enterprise 5 Linux.
(1) Click on System – Administration – Logical Volume Manager. (2) Expand Uninitilized Entities on the left window by clicking on the arrow next to it. You will now see the available physical disk partitions if there is any. For…
How to change the shell in Linux or Unix.
Linux and Unix have a vairety of shells. A shell is a program that provides the text interface, it reads the interactive or non interactive commands, interprets and executes the instructions. Depending on your version of Linux or Unix, a…
Errors regarding libXp.so.6 in linux
I received errors regarding libXp.so.6 launching the Fame 9.3 release 3 on Redhat Enterprise Linux 5. Error while loading shared library libXp.so.6 Cannot open shared object file. No such file or directory. This error occurs because the library libXp.so.6 is…
TOP and TOPAZ are Unix, Linux and AIX utilities that provides real time display of top cpu using processes.
As a server/systems administrator you will find the TOP utility very useful to determine top cpu using processes. TOP is the utility for Linux and most Unix operating systems. IBM Aix has it’s own version which does the same job,…
Determine the disk usage of a file system in Linux or Unix.
As a server administrator you will find that the df commad is very useful to find out the disk usage of a file system in Unix or Linux. Depending on the variant of Linux or Unix, the df command also…
How to determine the folder size in Unix or Linux.
The du command displays disk usage for each file or folder. You can use this command to find the size of a folder in Unix or Linux. Below are some examples. du -s /home/andrew 19112204 /home/andrew The above command displays…