How to format pen drive to VFAT using mkfs when disk utility or gparted do not recognize it

Sometimes, we find that a pen drive simply cannot be formatted using the Disk Utility or gparted in Linux. In such a situation, open a terminal on your Linux computer, and enter the command as below to format the pen drive.

$ sudo mkfs.vfat -n ‘Label’ -I /dev/sda <enter> where ‘Label’ in the quotes can . . . → Read More: How to format pen drive to VFAT using mkfs when disk utility or gparted do not recognize it

How to clean DVD surface that has sticky substance or layer of fungus on it

Simple, just use alcohol (brandy) to remove sticky dirt, dust on the surface of a DVD or a CD. It works wonders and removes it in one go. Dip a piece of cotton in brandy and wipe the disc surface inward to outward and not in a circular motion.

Managed to salvage a 15 years . . . → Read More: How to clean DVD surface that has sticky substance or layer of fungus on it

How to fix excessive CPU usage by process tumblerd on XFCE desktop in Linux

Noticed that each time I added or downloaded a file, it resulted in excessive use of the CPU. This happens on XFCE desktop in Linux. Looking up the process list, found that tumblerd was utilizing up to 86% of the CPU and leading all other applications and processes to be very slow. Tumbler is used . . . → Read More: How to fix excessive CPU usage by process tumblerd on XFCE desktop in Linux

How to play DVDs on Ubuntu Linux computer

If you want to play Movie DVDs on Linux, then the earlier method of will not work anymore on Ubuntu. To start playing movie DVDs, do the following.

$ sudo apt-get install libdvdnav4 libdvdread4 gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly libdvd-pkg <enter>

Once you are done installing above package, the DVDs can be played flawlessly using VLC.

Dark background and light text firefox add-ons good for night mode

If you surf the internet using Firefox web browser at night, you will find the white background and dark text too bright for the eyes. To change the background to black and light text, use the Dark Background and Light Text 0.5.5 add-on in Firefox.

Add-on is available in Firefox and it’s source code at . . . → Read More: Dark background and light text firefox add-ons good for night mode

How to connect Epson L365 Ink Tank printer to a wireless network in infrastructure mode

To set it up Epson L365 Ink Tank printer properly with a Wireless Connection in Infrastructure mode, it can only be done on a Windows computer with the StartUp CD that came with the printer. If the Start Up CD is lost or damaged, the printer software and drivers can be downloaded by visiting the . . . → Read More: How to connect Epson L365 Ink Tank printer to a wireless network in infrastructure mode

How to add a Guest Wireless Network with Isolation in OpenWRT on a wireless router

Problem Statement

Several guests come home and ask for Wi-Fi access to connect to the internet to see emails, etc. Most times, we give them our main SSID wireless password everytime to connect. This has several disadvantages, though not limited to those listed below:

The guest now has a permanent record of your Wireless SSID . . . → Read More: How to add a Guest Wireless Network with Isolation in OpenWRT on a wireless router

Android Virtual device emulator not starting up or very slow with error sh: 1: glxinfo: not found

Android Virtual device emulator not starting up or very slow with error sh: 1: glxinfo: not found takes a very long time to start the emulator and finally returns with an error.

To resolve the above error, do following: $ sudo apt-get install lib64stdc++6 <enter>

Then create a link to the new 64 bit libraries . . . → Read More: Android Virtual device emulator not starting up or very slow with error sh: 1: glxinfo: not found

How to upgrade to latest kernel of Ubuntu 14.04.3 LTS or 14.04.4 LTS from Ubuntu 14.04.2 LTS

Ubuntu 14.04 LTS is a Long Term Support version of the Ubuntu Linux Operating System. Over time, Ubuntu releases point updates to it. Currently, the point update is at Ubuntu 14.04.3 LTS. When you update your Ubuntu packages using: $ sudo apt-get update <enter> $ sudo apt-get dist-upgrade <enter>

you will find that you are . . . → Read More: How to upgrade to latest kernel of Ubuntu 14.04.3 LTS or 14.04.4 LTS from Ubuntu 14.04.2 LTS

Unable to log into LuCi web interface after upgrading OpenWRT from barrier-breaker to chaos-calmer

I applied the Chaos Calmer OpenWRT firmware upgrade on the TP Link WDR4300 router. Very important to note that if you already use OpenWRT on the router, install the sysupgrade and not the factory binary firmware file. Use factory only when upgrading from the factory TP Link firmware.

For first time install use this file . . . → Read More: Unable to log into LuCi web interface after upgrading OpenWRT from barrier-breaker to chaos-calmer

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