Today, when I attempted to update the Ubuntu system to install the latest patches, the system hanged infinitely at the sudo apt-get update command. This appears to be a bug, but nonetheless, system patching is our priority and this is the workaround, till it gets fixed. To type the commands below, open a linux terminal . . . → Read More: apt-get dist-upgrade freezes at reading package lists due to appstreamcli in Ubuntu
If you surf the internet using Firefox web browser at night, you will find the white background and dark text too bright for the eyes. To change the background to black and light text, use the Dark Background and Light Text 0.5.5 add-on in Firefox.
Add-on is available in Firefox and it’s source code at . . . → Read More: Dark background and light text firefox add-ons good for night mode
When building Cyanogen Mod 12.1 for the Sony Xperia ZR dogo in Ubuntu Linux, I got the following error.
android/system/common/obj/JAVA_LIBRARIES/framework-base_intermediates/classes-full- debug.jar *** Error 1
To fix, open a terminal window and do the following: $ cd ~/android/system <enter> $ rm -rf out <enter> $ repo sync <enter> $ source build/envsetup.sh <enter> $ breakfast dogo <enter> . . . → Read More: Error 1 when building Cyanogen Mod 12.1 for Sony Xperia ZR dogo in Linux
To set it up Epson L365 Ink Tank printer properly with a Wireless Connection in Infrastructure mode, it can only be done on a Windows computer with the StartUp CD that came with the printer. If the Start Up CD is lost or damaged, the printer software and drivers can be downloaded by visiting the . . . → Read More: How to connect Epson L365 Ink Tank printer to a wireless network in infrastructure mode
To disable the user list and guest user login in Ubuntu 16.04 LTS login screen, open a terminal window and do the following:
$ cd /etc/lightdm <enter> $ sudo mkdir lightdm.conf.d <enter> $ sudo cd lightdm.conf.d <enter> $ sudo mousepad 50-config.conf <enter>
Enter the text below into the file.
[SeatDefaults] greeter-hide-users=true greeter-show-manual-login=true allow-guest=false
Save the . . . → Read More: How to disable user list and guest user login in Ubuntu 16.04 LTS
Using Numix as the theme on Xubuntu 16.04 LTS, we find that Eclipse IDE toolbars, fonts, menus have excessive spaces between them. They look too big and take away screen real estate forcing you to scroll more.
If you change the Settings -> Appearance to Greybird and Settings -> Window Manager to Daloa or something . . . → Read More: How to fix Eclipse Tab Size, Spacing between menu options and more in Xubuntu 16.04 LTS
Several guests come home and ask for Wi-Fi access to connect to the internet to see emails, etc. Most times, we give them our main SSID wireless password everytime to connect. This has several disadvantages, though not limited to those listed below:
The guest now has a permanent record of your Wireless SSID . . . → Read More: How to add a Guest Wireless Network with Isolation in OpenWRT on a wireless router
OpenWRT is a very powerful router firmware. Since I wanted to upgrade the router firmware, I took a backup of the configuration and then did a complete erase of the configuration settings at the time of firmware upgrade. After logging in, and setting up SSH as a means to log in to the router, SSH . . . → Read More: Cannot connect to OpenWRT router using SSH after OpenWRT firmware upgrade
Android Virtual device emulator not starting up or very slow with error sh: 1: glxinfo: not found takes a very long time to start the emulator and finally returns with an error.
To resolve the above error, do following: $ sudo apt-get install lib64stdc++6 <enter>
Then create a link to the new 64 bit libraries . . . → Read More: Android Virtual device emulator not starting up or very slow with error sh: 1: glxinfo: not found
Many of us use Linux Distributions like Ubuntu, Fedora, available for free on the Internet. To install these distributions on our computers, we need to down their ISO files. Recently, the Linux Mint ISO was hacked and malware inserted into some of it’s files. It was then repacked and put up on an external website. . . . → Read More: How to calculate MD5 or SHA256 sums in Linux and Android