Monitor disk latency with the ioping command on Linux.

How will your HDD perform under load? Measuring disk latency on Linux is very easy if the right command is used. This useful utility makes a difficult task very simple. Here is an example of the usage. ubuntu ~ $ sudo ioping /dev/xvda 4.0 KiB from /dev/xvda (device 30.0 GiB):…

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Some more useful Linux commands for the bash shell.

How to create an ISO image of a DVD or CDR disk easily with the command-line. dd if=/dev/sr0 of=/home/$LOGNAME/mydisk.iso bs=2kdd if=/dev/sr0 of=/home/$LOGNAME/mydisk.iso bs=2k This will rip a copy of the disk to the hard drive. To write this image to a blank DVD disk; use this command. sudo wodim -dev=/dev/sr0…

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