Technology Blog

  • Change Boot Mode in Linux

    There are six boot modes in Linux meaning that there are six ways to initialize your Linux box. The modes and their properties are: Mode 0: Halt (Shutdown) Mode 1: Single user mode Mode 2: Not yet implemented Mode 3: Full multi-user command line mode Mode 4: Not used. Mode 5: Full multi-user Graphical User…

  • Clear your local DNS cache

    Sometimes when you repair your local area connection from the local area connection status window, you find out that your DNS cache could not be cleared and whatever you do, the cache will not clear up. So here’s the cool way of doing it.. Open your command prompt and type the following command: C:\>net stop…

  • Rename multiple items in Windows

    There will be times when you want to rename multiple files and folders together. Renaming each item separately will be a whole mess. So here is a cool technique for renaming multiple items together. There are two ways of doing it: one involving the mouse and the other with the keyboard only. So here it…

  • Increase Attachment Size in Zimbra Using Message Size Limit & Upload Size Parameters

    While working with Zimbra collaboration suite, I figured out today that I needed to increase the attachment size limit of the message to send larger messages. The default attachment size limit is 10MB. Even if the attachment is a little less than 10MB, it won’t send the same error that the maximum message size is…

  • Opening Linux folders in the same window

    One of the problems I face when in GUI linux is that all the folder windows open seperately .. I was looking for a solution for this and found out this cool technique.. Whenever you open a folder within the folder windows, press

  • Assigning two IP addresses to one ethernet card in Windows

    Two or more IP addresses can be assigned in windows using only one ethernet card. Using Windows XP, go to Start Menu –> Control Panel –> Network Connections –>

  • Folder Options missing in Windows XP

    After a virus attack in one of my client machines, the folder options from the windows explorer was missing and we were unable to show all the files including the hidden ones. So here’s what I did to restore it back: Go to Run –>gpedit.msc User Configuration –> Administrative

  • Assigning two IP addresses to one ethernet card in Linux

    Hmm .. So we are running out of resources and can’t buy a new ethernet card for the system. No problems, whatever the reason, we can assign two or more IP addresses to our linux box using only one NIC. I’ll do it in Fedora.

  • Who is connected to my linux system

    If you want to see which users are connected to your linux box, the “who” command can let you do the magic. The output will be like below: [root@localhost ~]# who root     :0           2007-03-12 04:17 dan     pts/1        2007-03-16 07:07 ( So here two users named root and dan are connected to my linux box.

  • Zimbra Mailbox restore

    I was thinking of reinstalling my mail server machine. So I thought of backing up my Zimbra server .. and the backup was a mess .. the only thing I could save was the store folder. So I installed new fedora core and then setup a Zimbra server. Then followed the following steps to restore…