Posts Tagged linux
Adding RedHat DVD as Repository
When we try out a new linux OS its always a pain to download and install all the software and add packages we needs on that. Its even worse if you don’t have an unlimited connection. But actually most of the software we need is already there in the CD/DVD in which the operating system comes with. So how do we install from the DVD then rather than from the internet?
For this you need to add the DVD as a repository so that rpm client picks up the rpm from the DVD and wont go to internet for it.
The Procedure and Files to be modified is a bit different for each OS so i will cover Red Hat Linux in this post.
In RHEL the repo list is maintained in the folder /etc/yum.repos.d/ . So lets create a new file in this directory , say lets call it rhel-cd.repo.
The Contents of this file should be as follows:
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Change Timezone in Linux from command line
Changing the timezone in linux is done in a weird method. There is no configuration file where you can edit and change timezone. The method is simple and very easy. You need to link to the timezone you need. Find the timezone file you need in /usr/share/zoneinfo/. Go to correct folder and find the place nearest to you( or with the correct timezone). Now link it to the /etc/localtime with the following command example
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Customizing Mysql Prompt For multiple Servers
If you are using mysql regularly on multiple servers its really useful to have the promt in mysql to show something more than mysql>. It would be useful if it showed the username,hostname, current database and things like that.
So how to do this.
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How to Save file in vi not opened with sudo
Posted by Srijith R in linux, shell scripting, vi on December 26, 2009
It has happened to me a lot of times that i edit a file in vi. I insert and edit a lot and finally when I try to save it I find that I dont have permission for it. If only I had opened it with sudo. I found a solution for this issue. It was actually a simple command and here it is
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Script for Auto Copying of Cds/Dvds
Posted by Srijith R in linux, shell scripting on December 26, 2009
Here is a script that i created for automatically copying all the files in cd to a folder and ejecting and waiting for the next cd.
So here is how it works.
You need to change the folder names and paths accordingly. And the shell script as
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Microsoft Servers in Linux
Well this is funny Microsoft has it’s ” download.microsoft.com” servers running in linux. Good going guys. You people know what’s the best suited ones. But do you know a product of yours called Windows Server edition?
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Copy in Linux with Ui
Posted by Srijith R in linux, shell scripting on December 13, 2009
The program here is an UI for cp command. I have used cp in the background but over that I am just monitoring the files copied and speed of copying.
It’s not a perfected program. It’s quick one but works fine.
Execution:
Create a file named copy and insert the following code and give execute permission
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How to Format a Usb in Linux
There are two methods of formatting a usb in linux that I use.
- The first method is using gparted (or parted non gui version of gparted). This is an easy gui interface that uses shell commands as backend. It is easy to do it.
You install this package using the command. Continue reading “How to Format a Usb in Linux” »
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