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

Install XFCE desktop and remove Gnome desktop on Ubuntu 18.10

To install Xubuntu after you have install Ubuntu 18.10 with the default Gnome desktop, make sure to take a backup of your data and then open a terminal window and run the following commands:

$ sudo apt-get install xubuntu-desktop <enter>$ sudo apt-get purge whoopsie orage gigolo catfish snap* parole* <enter>$ sudo . . . → Read More: Install XFCE desktop and remove Gnome desktop on Ubuntu 18.10

Speed up application startup time in Ubuntu

If you find your Linux computer is slow in starting up applications, you can install the preload package. It makes a small, discernible difference when launching applications.

To install, open a terminal window and run the following command:

$ sudo apt-get install preload <enter>

. . . → Read More: Speed up application startup time in Ubuntu

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