To find the serial number of the computer, open a terminal window and install dmidecode using apt-get as below:$ sudo apt-get install dmidecode <enter> Thereafter, enter the following command to get the serial number:$ sudo dmidecode | grep -i serial <enter> Now you will see the serial number of the computer. The serial number is … Continue reading How to find serial number of computer in Linux using dmidecode
Category: BIOS
How to find Windows 10 OEM product key
If you bought a new laptop with Windows 10 pre-installed on it, to find the product key in Linux, open a terminal window and enter the following command: $ sudo strings /sys/firmware/acpi/tables/MSDM <enter>
How to reduce overheating on Ubuntu (May also work on Xubuntu)
I installed Lubuntu 18.04 LTS after it was released. Unfortunately, the CPU temperatures never were below 70 degrees Celsius. I could toast bread on the laptop. To reduce overheating: 1. Go to BIOS and change Graphics from Optimus to UMA. 2. In Lubuntu, make sure NVIDIA is disabled. The problem with Ubuntu 18.04 LTS is … Continue reading How to reduce overheating on Ubuntu (May also work on Xubuntu)
Display all hardware information in Linux using lshw
To find out the details of every hardware component in a Linux computer, open a terminal window and enter: $ sudo lshw <enter> Display all hardware information in Linux using lshw in a shorter report $ sudo lshw --short <enter> The report generated is very detailed and precise. It can be used to help decisions … Continue reading Display all hardware information in Linux using lshw
Error ko:~/android-sdk-linux/tools/emulator64-arm: invalid option — ‘-enable-kvm’ when trying to use KVM with Android Studio
This error Error ko:~/android-sdk-linux/tools/emulator64-arm: invalid option -- '-enable-kvm' only comes if you are trying to use KVM with and arm processor. KVM with android studio currently only works with Intel processors.
Ubuntu Boot Manager Partition entry overwritten after Windows 8.1 patch update
I recently applied the latest Windows 8.1 patches. To my dismay, I found that the core Ubuntu 14.04 entries at boot time were missing and by default, the laptop always booted into Windows 8.1. This meant that my Ubuntu EFI boot partition had been corrupted or taken over by Windows 8.1 patches that probably updated … Continue reading Ubuntu Boot Manager Partition entry overwritten after Windows 8.1 patch update
View EFI boot manager entries in Ubuntu
If you need to view the boot manager entries in Linux, open a terminal window and enter the command as below.$ sudo efibootmgr -v <enter> Above command lists out all the boot partitions for EFI.
Install qemu-kvm on Ubuntu Linux
Check if kvm can run on the computer $ sudo kvm-ok <enter> If it returns lines as follows, then it will work INFO: /dev/kvm exists KVM acceleration can be used Install qemu-kvmOpen a terminal window and enter the commands below.$ sudo apt-get install qemu-kvm libvirt-bin ubuntu-vm-builder bridge-utils virt-viewer virt-manager qemu-system <enter> $ sudo adduser user … Continue reading Install qemu-kvm on Ubuntu Linux
How to upgrade Dell BIOS on a Ubuntu laptop with FreeDOS
Those of us who use only Linux Laptops like Dell's Vostro 3546 with Ubuntu 12.04 LTS installed on it, cannot just apply the BIOS upgrades that Dell provides on it's web site. The BIOS update file is actually a MS DOS .EXE file and it requires MS DOS to work. Here's how to apply the … Continue reading How to upgrade Dell BIOS on a Ubuntu laptop with FreeDOS
How to get back Ubuntu in Boot Menu after Windows 8 to Windows 8.1 upgrade with efibootmgr
If you are the an open source fanatic who has been sold a laptop with Windows 8 on it in India, you would have been reminded to upgrade to Windows 8.1 by Microsoft periodically. I was reminded 3 times. Each time I chose to ignore it. Finally, I decided to upgrade from Windows 8 to … Continue reading How to get back Ubuntu in Boot Menu after Windows 8 to Windows 8.1 upgrade with efibootmgr
