How to check if TRIM is enabled on Linux

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 laptop, open a terminal window … Continue reading How to check if TRIM is enabled on Linux →

How to install kvm on Fedora Linux

To install KVM on Fedora, open a terminal window and enter:$ sudo dnf -y install bridge-utils libvirt virt-install qemu-kvm <enter> Next, install virtual machine management tools:$ sudo dnf -y install virt-top libguestfs-tools <enter> Start the daemon:$ sudo systemctl start libvirtd <enter>$ sudo systemctl enable libvirtd <enter> This is a required step to use Android Studio's … Continue reading How to install kvm on Fedora Linux →

How to speed up boot time performance on Linux if it boots slowly

My Linux computer was very slow to start up. It took approximately 4 minutes to get to the login prompt. Before performing any of the steps below, take a backup of the data on the computer. Also, you follow the steps below at your own risk. No one is responsible for whatever you do with … Continue reading How to speed up boot time performance on Linux if it boots slowly →

How to stop the DSMService on your Windows 8 computer

Upon connecting the Sony Xperia ZR phone or even an ordinary pen drive to the Windows 8 computer, I found that it shows a window that says Installing drivers... This is strange, because when I connected the Sony Xperia ZR to the Windows 8 computer, it detected the storage and showed it all correctly in … Continue reading How to stop the DSMService on your Windows 8 computer →

Secure your Ubuntu Linux system

Finally, here is a collection of actions you can take to make your Ubuntu 12.04 system more secure: Install Ubuntu 12.04 without connecting to the internet. This is to make sure that you do not download any upgrades during installation.After installation, login (without connecting to the internet) and remove zeitgeist and lensesRemove avahi-daemonHide list of … Continue reading Secure your Ubuntu Linux system →

Enable, start, stop or disable services in Ubuntu

Enter the commands shown in italics in a terminal window to: List all services running: $ sudo service <service> --status-all <enter> Disable a service from startup: $ sudo sudo service <service> disable <enter> Stop a service: $ sudo service <service> stop <enter> Start a service: $ sudo service <service> start <enter>

Manage services in Ubuntu using GUI – bum

You can manage Ubuntu services using a GUI tool called the Boot-Up Manager (bum). Open a terminal window and enter the following commands. $ sudo apt-get install bum <enter> $ sudo bum <enter>

List all services running in Ubuntu

Open a terminal window and enter the command shown below to list all the services running on your Ubuntu computer. $ sudo initctl list | sort <enter>

Things to do after Fedora Linux install

So you have now upgraded to the latest Fedora Linux Operating System? Congratulations. You will now need to learn how to use the Gnome 3 desktop environment and also customize your desktop and install additional software. Below is a list of things you can do after you have install Fedora 16 on your computer. Improve … Continue reading Things to do after Fedora Linux install →

Enable services on Fedora 16 using systemctl

To enable a service to start up after you reboot the Fedora 16 system: # systemctl enable sendmail.service <enter>