need additional swap space to improve my FreeBSD Unix server/desktop performance. How do I add a swap file to FreeBSD system using command line options without creating a new partitions? How do I encrypt swap space on a FreeBSD Unix server for security purpose? [click to continue…]
‘m a new Ubuntu Linux version 14.04 LTS user. I need additional swap space to improve my Ubuntu server performance. How can I add a swap space on Ubuntu Linux 14.04 LTS using command line over the ssh based session? [click to continue…]
y new Dell Laptop has no DVD or CD drive. I’m trying to create a bootable Fedora Linux 20 USB using UNetbootin utility as described here
. But, UNetbootin failed to create bootable USB image on OS X. How do I create Fedora Linux 20 USB Media in Apple OS X using command line options? [click to continue…]
‘m using dd command for block level copy and just found out that there’s no built in way to check the progress. How do I use the Linux or Unix dd command while coping /dev/sda to /deb/sdb and display a progress bar when data goes through a pipe? [click to continue…]
ow do I Install Slackware Linux version 13.13 using a bootable USB stick under Unix or Linux operating systems? [click to continue…]
‘ve installed an usb image on Pen drive along with MBR. Now, I need to use this USB pen for other purpose. Is there a way in Linux to delete the mbr (just like dos fdisk /mbr
command)? [click to continue…]
I‘m going to upgrade my FreeBSD 7.x server hard disks and going to send back the original 73GB hard disk to my vendor. I wanted to make sure that no one should able to use my personal data from old hard disk, especially files stored in /home/you/projects directory. I know how to use sDelete under MS-Windows to delete a file permanently. How do I permanently erase files under FreeBSD operating systems?
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ow do I remove all partitions, data and create clean empty hard disk under Linux operating systems? [click to continue…]
Q. I can use dd command to create ISO images from a CD but how do I get volume information from CDs and ISO images from a shell prompt?
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ow do I create 1 GB or 10 GB image file instantly with dd command under UNIX / Linux / BSD operating systems using a shell prompt? [click to continue…]