How to install wine stable from winehq on Linux Mint 20 or Ubuntu

The wine package in the Ubuntu Linux repository is version 5, but running applications from it, cannot connect to the internet. It was found that upgrading to wine version in the winehq repository solved this error. To install wine from winehq, open a terminal window and enter the following commands: $ sudo dpkg --add-architecture i386 … Continue reading How to install wine stable from winehq on Linux Mint 20 or Ubuntu

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: Wireless interface product: … Continue reading How to restart wifi after Suspend/Resume Ubuntu Linux

How to change the host name of Linux computer

On a Linux computer, you can change the host name anytime you like following the method given below after opening a terminal window. $ sudo vi /etc/hosts <enter> 127.0.0.1 mycomputer.mydomain.com <enter> :wq $ sudo vi /etc/hostname <enter> Insert mycomputer.mydomain.com <enter> :wq $ sudo hostname -F /etc/hostname <enter> Now check if hostname has changed $ hostname … Continue reading How to change the host name of Linux computer

Unable to log into LuCi web interface after upgrading OpenWRT from barrier-breaker to chaos-calmer

I applied the Chaos Calmer OpenWRT firmware upgrade on the TP Link WDR4300 router. Very important to note that if you already use OpenWRT on the router, install the sysupgrade and not the factory binary firmware file. Use factory only when upgrading from the factory TP Link firmware. For first time install use this file … Continue reading Unable to log into LuCi web interface after upgrading OpenWRT from barrier-breaker to chaos-calmer

How to set up an isolated Guest WLAN on TP-Link WDR4300 with OpenWRT using command line

You have guests at your home and they want to use your wireless network to retrieve emails, etc off the Internet. This is not a unique situation, but is quite common everywhere, with the proliferation of devices and services that require Internet access. The only issue you face is that if you give them your … Continue reading How to set up an isolated Guest WLAN on TP-Link WDR4300 with OpenWRT using command line

How to obtain WLAN traffic statistics using Gkrellm

How to obtain WLAN traffic statistics using Gkrellm Gkrellm is a powerful system monitor utility on Linux systems. If you need to obtain CPU temperatures, disk I/O, network traffic incoming and outgoing statistics (daily, weekly or monthly), then this is the right choice. To gather a sizeable amount of WLAN traffic count, you need to … Continue reading How to obtain WLAN traffic statistics using Gkrellm

How to watch the internet connections established by devices on OpenWRT router real-time with iftop

We all want to know to which internet connections our devices connect to. One of the best ways to do that, is use iftop. Install the iftop package in OpenWRT on the router itself to enable it to be used to monitor these network connections. To do so, open a terminal window on your computer … Continue reading How to watch the internet connections established by devices on OpenWRT router real-time with iftop

How to install OpenWRT on the TP-Link WDR-4300 router

Download the OpenWRT Breaking Barrier firmware for TP-Link WDR4300 router from http://wiki.openwrt.org/toh/tp-link/tl-wdr4300. You will also find the instructions on the upgrade process there. Next, visit the web GUI interface of the TP-Link WDR-4300 router. In my case, this was at http://192.168.1.1 of the factory TP-Link firmware. Select System Tools -> Firmware Upgrade, click on Browse... … Continue reading How to install OpenWRT on the TP-Link WDR-4300 router

How to revert to default TP-Link wireless router firmware from dd-wrt

Some of us like to try out multiple router firmware and at times, need to revert back to the default firmware that came with the router. TP-Link is fairly easy to revert, where you can experiment with various firmware before you settle down for the one you find most useful. The below steps enable you … Continue reading How to revert to default TP-Link wireless router firmware from dd-wrt