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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 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) 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> Never look a gift horse in the mouth.. If you are one of those who is a technology connoisseur and love to compare specifications of smart phones before making a purchase decision, you need to be aware that the Xiaomi Redmi Note 5 Pro with 6 GB Internal RAM, best display and camera is . . . → Read More: How to debloat, remove crapware from Xiaomi Redmi Note 5 Pro smartphone 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 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 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 Below error appears in Lubuntu 18.04 LTS bd_crypto_luks_open_blob called, but not implemented when opening Luks Encrypted volume using PCManFM, the Lubuntu File Manager. To overcome this error, open a terminal window and enter the commands below: $ sudo apt install libblockdev-crypto2 <enter> $ systemctl restart udisks2.service <enter> 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 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) |
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