Posts

Auto Backup using Dropbox in Linux/Mac

I had some folders on my disk which I wanted to keep a copy online as a backup and for viewing from other places. Its not always possible to save all the essentials in the drop box folder itself to be auto backed up. Thus I wrote a very small script which  …

More than 100% CPU in top in Linux/Mac

If you are power linux/mac user you should have noticed at least once that top shows more than 100% CPU for a process. I also have seen this multiple times but always wondered how it can be. Here is an example of how my top looked when I started my java an …

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?




$sudo nmap -O download.micros …

Find Invisible Users In Gmail

Finding who is invisible is something that I always wanted to do.It’s always fun to ping a person who feels none can see him/her online. While studying XMPP protocol I found out that even when the person is offline the chat client knows that person is onli …

Important MySQL DBA Interview Questions

Here are a few sets of interview questions expected for MySQL DBA position.These are compilation of the usual questions from various DBA texts: What is Log Switch? – The point at which ORACLE ends writing to one online redo log file and begins writing to …

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 usin …

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/zo …

Automatic Desktop Wallpaper Changer for Linux

I have a lot of wallpaper that I wanted to switch automatically. After a lot of search i found that there a command way to control all the gnome settings. So I the command I used is “gconftool-2″. So code is like:




#!/bin/bash
folder="/home/rsr …

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. One m …

Copy in Linux with Ui

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 …