Jhead is a CLI utility to rename large collections of photos with EXIF (Exchangeable image file format) metadata like date and time which saves you the effort to renaming them one by one. To install Jhead: sudo aptitude install jhead To rename the photos to “year-month-date_hour-min-sec” format: 1. Go to the photo folder chenhow@laptop:~$ cd [...]

Kickstart means automated OS installation. Most Linux OS installation can be done via Kickstart and it can be performed using local boot media or over network(FTP, HTTP, NFS and etc). Here, we’re going to talk about using HTTP method to perform Kickstart. Prerequisite: Boot media (for creating a USB bootdisk, you can refer to my [...]

Due to budget constraint, my new device doesn’t come with any CD/DVD ROM and PXE compliant NIC. Therefore, I need to rely on the USB hard disk to make it as a boot media to start the OS installation process. Prerequisite: You must have a USB storage device like flash/pen drive or hard disk. In [...]

1.) Delete present line Goto the line you want to start delete, press Esc dd # Will delete present line 2.) Delete from line 1 to end of line. :1,$ del # Delete from line 1 to EOL 3.) Delete from present line to end of line. :.,$ del # Delete from present line to [...]

To find duplicate IP, you can create a text file and putting all the IP addresses into it and seperate them with line break. eg: Create a text file called ip.txt [root@www ~]# touch ip.txt Put all the ip into the file and save it [root@www ~]# vi ip.txt 192.168.1.22 192.167.1.22 192.168.1.23 192.168.1.23 192.168.1.70 192.168.1.88 [...]

Conky is a light weight system monitor that uses to display system information on your Desktop. You can display various information like CPU, memory, network, hard disk capacity and etc using conky on the Desktop, a very handy tools to monitor system info. Install Conky – Open terminal and type the following command: sudo apt-get [...]

apt-p2p is a p2p proxy for apt dowloads, it will act as a proxy between apt requests and a repository server, downloading any request files from peers (if possible), else will fallback to direct HTTP download. In general, apt-p2p save bandwidth, use limited cpu and memory resources and reduce congestion on the ubuntu mirrors. So [...]

Long time since I last play the computer games. I don’t know whether everyone feel the same, when I’m getting older, I have lost my interest in playing games, especially those strategy and online games that takes you a lot of time to accomplish. But recently I have regained that interest and start looking for [...]