Wireless Adapter not detected in Linux Mint 19.1 on Dell Inspiron 5580

On a Dell Inspiron 5580, the wireless adapter is of Intel. The same is not detected when installing Linux Mint 19.1 the first time. This is because of the kernel not being updated.

Once Linux Mint 19.1 is installed, the later kernel 4.15.0-52 installed upon update, makes the wireless adapter work.

. . . → Read More: Wireless Adapter not detected in Linux Mint 19.1 on Dell Inspiron 5580

System scaling in Linux on 1920×1080 display (HiDPI)

Note system scaling works out of box with Cinnamon desktop. Open a terminal window and install it with:

$ sudo apt-get install cinnamon-desktop-environment <enter>

To do system scaling in the Gnome Desktop Environment, install the gnome-tweak tool. To do so, open a terminal window and enter the command as below:

. . . → Read More: System scaling in Linux on 1920×1080 display (HiDPI)

How to find out time taken in Linux by processes when starting the computer

To identify which system processes take how much time when booting your Linux system, open a terminal window, at type the following command:

$ sudo systemd-analyze blame <enter>

How to de-brick or unbrick or recover TP-Link WDR-4300 wireless router

Due to a wrong update of firmware, I bricked the TP-Link WDR 4300 wireless router I had. It was unused for a considerable period of time assuming that it had died due to hardware fault, with no hope of being resuscitated.

Finally, got some time to investigate it further and attempted to recover or . . . → Read More: How to de-brick or unbrick or recover TP-Link WDR-4300 wireless router

How to restart wifi after Suspend/Resume Ubuntu Linux

Ubuntu Linux installed on a Lenovo laptop randomly disables wireless networks altogether. Subsequently, it does not show any wireless networks too in Network Manager.

To resolve this issue, did the following:

$ sudo lshw -class network <enter>

Below is the result.

Notice the logical name wlp2s0b1 and the driver brcmsmac

*-network description: . . . → Read More: How to restart wifi after Suspend/Resume Ubuntu Linux

How to reset TP Link WDR4300 router after bad install of OpenWRT LEDE

If you cannot access the LUCI OpenWRT page of the TP Link WDR4300 router, the below may help.

Set PC ip: 192.168.1.2 and subnetmask 255.255.255.0 and gateway 192.168.1.1 Power off the router Disconnect the WAN cable Only connect your PC Ethernet cable to ETH0 Power On the router Wait for the router to start the . . . → Read More: How to reset TP Link WDR4300 router after bad install of OpenWRT LEDE

How to add the Epson Printer Drivers for Ink Tank L 365 in Linux

To add the Epson Printer Drivers for Ink Tank L 365 in Linux 1. Download drivers from the site http://download.ebz.epson.net/dsc/search/01/search/searchModule 2. Enter printer model as L365 and select Operating System as Linux.

Next open a terminal window and enter the commands as below: $ sudo apt install ~/Downloads/epson-inkjet-printer-201401w_1.0.0-1lsb3.2_amd64.deb <enter> $ sudo apt install ~/Downloads/epson-printer-utility_1.0.2-1lsb3.2_amd64.deb <enter>

. . . → Read More: How to add the Epson Printer Drivers for Ink Tank L 365 in Linux

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 . . . → Read More: How to reduce overheating on Ubuntu (May also work on Xubuntu)

Install VirtualBox on Ubuntu 16.04 LTS to run Windows 10 Insider Preview

VirtualBox package in Ubuntu 16.04 LTS does not successfully install Windows 10 Insider Preview. To install, you need to install VirtualBox from the Oracle website at this link: https://www.virtualbox.org/wiki/Linux_Downloads

As instructed on that site:

Open a terminal window and add the following line to the /etc/apt/sources.list file: $ sudo vi /etc/apt/sources.list <enter> deb http://download.virtualbox.org/virtualbox/debian xenial . . . → Read More: Install VirtualBox on Ubuntu 16.04 LTS to run Windows 10 Insider Preview

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 . . . → Read More: Display all hardware information in Linux using lshw

June 2019
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