Superb applications for graphics or photo processing darktable and rawtherapee

If you need to process images, use darktable and rawtherapee

To install in Xubuntu or Ubuntu, open a terminal window and enter the following commands: $ sudo apt-get install darktable rawtherapee <enter>

Once you are done, go ahead and process photographs like a professional. Need I say that this is a good combination to substitute . . . → Read More: Superb applications for graphics or photo processing darktable and rawtherapee

How to install and run Turbo C 2.01 for DOS in DOSBOX in linux

After sooo many years, discovered that students in India were asked to do projects in Turbo C 2.01 in DOS. Amazing, but true!

That being the case, you can download Turbo C 2.01 for MS DOS from http://edn.embarcadero.com/article/20841 for free. It is antique software and embarcadero acquired it way back. They offer it as a . . . → Read More: How to install and run Turbo C 2.01 for DOS in DOSBOX in linux

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 amend default user name and email before committing code to remote github repository

If you commit the code to a local github repo with the default user name, you will get the message as shown below: $ git commit MumbaiStock.pm -m v1.5 <enter> [master 24fea3] v1.5  Committer: wronguser <wrongemail@wrongdomain.com> Your name and email address were configured automatically based on your username and hostname. Please check that they are . . . → Read More: How to amend default user name and email before committing code to remote github repository

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 change the host name of Linux computer

On a Linux computer, you can change the host name anytime you like following the method given below after opening a terminal window.

$ sudo vi /etc/hosts <enter>

127.0.0.1 mycomputer.mydomain.com <enter> :wq

$ sudo vi /etc/hostname <enter> Insert mycomputer.mydomain.com <enter> :wq

$ sudo hostname -F /etc/hostname <enter>

Now check if hostname has changed $ . . . → Read More: How to change the host name of Linux computer

How to mitigate the threat of being a victim of ransom ware

Ransom ware seems to have gotten the better of many ordinary users. However, it is not a threat that has no mitigation measures available to the ordinary user, but is more of following good basic security and hygiene practices, to not fall prey to a ransom ware threat. Do the following:

If you use Linux, . . . → Read More: How to mitigate the threat of being a victim of ransom ware

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

Cannot connect to OpenWRT router using SSH after OpenWRT firmware upgrade

OpenWRT is a very powerful router firmware. Since I wanted to upgrade the router firmware, I took a backup of the configuration and then did a complete erase of the configuration settings at the time of firmware upgrade. After logging in, and setting up SSH as a means to log in to the router, SSH . . . → Read More: Cannot connect to OpenWRT router using SSH after OpenWRT firmware upgrade

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