Bash - Get date and time

date_time=`date +%Y-%m-%d_%H.%M.

DOS - ECHO %DATE% %TIME% doesn't work in FOR loop

ECHO %DATE% %TIME% doesn't work in FOR loop. Here is an example:

Debian - Packages

All packages used.

Debian - VNC Server

  1. Install VNC Server.
      aptitude -y install vnc4server
  2. You must run VNC Server at least once to setup the password.

Debian - Files / Directories listings

List files by sizes



  • No spaces between the variable name and the value to be assigned
DATE_STRING=$(date +"%Y-%m-%d.%0k.%M.%S")

Debian - Adobe Flash Player

Install Flash Player for Firefox

  1. Download the linux version of Flash from
  2. Decompress the file downloaded
    tar -xvzf install_flash_player_9_linux.tar.gz
  3. Copy to /usr/lib/mozilla-firefox/plugins/ folder.
    cp /usr/lib/mozilla-firefox/plugins/
  4. Restart Firefox.

Install Flash Player for Opera

    Debian - Time

    Time Zone

    Time zone is stored in /etc/timezone file. Running /usr/bin/tzselect will help you find your time zone but doesn't update your system.

    Setting Time Zone on system wide

    run tzconfig


    Once you've set your timezone you might wish to change the UTC setting, upon Debian machines you can find that in the /etc/default/rcS file. Although changing this will require a reboot. I think, hwclock --systohc --utc command (in case UTC=yes) could be used instead of reboot.


    Debian - BASH Prompt Customization

    Customization of the the Bash terminal line

    Add the following codes in ~/.bashrc. Every time you open a Bash terminal, the first line will show HH:MM:SS@hostname:workingDirectory # .

    Debian - Network Configuration

    Manually configure network in Debian

    If you are manually setting a static IP address in Debian, you have to edit /etc/network/interfaces. For example, if you want to change your eth0 interface to use a static IP address instead of dynamic IP address , change the following settings accordingly.

    #iface eth0 inet dhcp #Comment this line out with the pound(#) key. It was your dhcp setting(dynamic IP address).
    # Add the following lines below in /etc/network/interfaces.


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