How to check if TRIM is enabled on Linux Mint 20.1

After installation of a NVMe SSD in the laptop, it needs to be well-managed so that it's life does not decrease. To do this, most modern systems use TRIM to manage and delete unwanted blocks of data on the SSD. To check if TRIM is enabled on the Linux Mint 20.1 laptop, open a terminal … Continue reading How to check if TRIM is enabled on Linux Mint 20.1

How to increase battery backup time of laptop in Linux

When running Linux on a laptop (other than a Thinkpad), battery backup time is just about 120 to 150 minutes, irrespective if it is used for heavy work or just idling. To increase the battery backup time in Linux Mint 20+, open a terminal window and install the tlp utility as below: $ sudo apt-get … Continue reading How to increase battery backup time of laptop in Linux

How to merge PDF files in Linux

Merging PDFs in Ubuntu Linux or Linux Mint was real easy using the pdfunite command in a terminal. To merge PDF files in Linux open a terminal window enter the following command:$ pdfunite file1.pdf file2.pdf file3.pdf combined.pdf <enter> where file1.pdf, file2.pdf and file3.pdf are the individual pdf files that will be merged and combined.pdf is … Continue reading How to merge PDF files in Linux

How to fix tinny sound from Dell Inspiron 5000 series laptop speakers in Linux Mint 20 or Ubuntu 20.04 LTS

Linux Mint 20, Xubuntu or Ubuntu 20.04 LTS runs well on the Dell laptop. But, the recent upgrade to Linux Mint 20 or Ubuntu 20.04 LTS caused an issue of tinny sound from the the speakers. After trying several changes, I tried this below, and at least, using the pulseaudio equalizer, managed to make the … Continue reading How to fix tinny sound from Dell Inspiron 5000 series laptop speakers in Linux Mint 20 or Ubuntu 20.04 LTS

Select and set up a Crucial M2.2280 NVMe PCIe SSD

Android Studio works quite slow with a normal SATA Hard Disk Drive (HDD), on a computer. To overcome this, there are a few solutions, including waiting for the good folks at Google to release another efficient version, or if you are seriously into Android development, then you can augment the hardware of your computer by … Continue reading Select and set up a Crucial M2.2280 NVMe PCIe SSD

How to fix crackling distorted sound from speakers in Linux Mint 20 XFCE

The computer speakers crackle and give distorted sound at high volumes in Linux Mint 20 XFCE. To overcome this, open a terminal window and enter the following commands: $ alsamixer <enter>Use the right arrow key to locate the option for Auto-Mute. It will show enabled. Change it to disabled by pressing the down arrow key … Continue reading How to fix crackling distorted sound from speakers in Linux Mint 20 XFCE

How to make microSD card writable with SD MMC Card MicroSD Adapter in Ubuntu Linux

On a Linux computer, reading SD MMC Cards which have a MicroSD Adapter to insert a micro SD card for reading works fine. However, the problem arises when data is to be written to such the micro SD card in the SD MMC adapter. There are errors that the user does not have rights to … Continue reading How to make microSD card writable with SD MMC Card MicroSD Adapter in Ubuntu Linux

Enable night mode on Linux using RedShift

To enable night mode on Linux and void strain to the eyes while working at night, install redshift. To install from the repository, open a terminal window and enter the following command: $ sudo apt-get install redshift-gtk <enter> This will install the RedShift tool. Run it and set it up to reduce screen glare at … Continue reading Enable night mode on Linux using RedShift