This simple tutorial shows how to get rid of the “Mobile Broadband” menu option from the upper right system status menu in GNOME Desktop.
GNOME, the default desktop in Ubuntu and Fedora Workstation, has built-in support for mobile broadband. If your computer (usually laptop) has a built-in SIM card slot, then it will show you the “Mobile Network” page in Settings and “Mobile Broadband” option in upper right menu.
For those who rarely use this feature, the option is useless but makes the menu longer. So, it’s a good choice to completely disable it!
Network diagnostic is useful when you getting internet connection issue. And, here’s a brand new graphical tool for Linux beginners.
It’s PingPath, a free open-source tool written mostly in C, and use GTK4 toolkit for its user interface.
PingPath uses the popular command line tool ping to send ICMP ECHO_REQUEST to networks hosts. Simply type the host-name or IP address in header input box, hit Enter, then press Ctrl+S to get started.
It will then show you all the host IPs (if you start with host-name), as well as their autonomous system numbers and country code. For each, it shows the real time information about
numbers of pings set.
loss in percentage.
best, worst, last, and average delay in milliseconds.
as well as ping jitter (variation in delay).
Besides digital information, it also has a Graph tab to show all the info in graph lines with or without legend. This makes it easier to identify connectivity problems, measure network latency between your machine and the destination host.
The app by default sends 100 packets with 1 seconds time interval. You can change the numbers and other settings using the header-bar button menus.
How to Install PingPath in Ubuntu
The tool has an official PPA which so far supports for Ubuntu 22.04, Ubuntu 23.10, and Ubuntu 24.04.
1. First, press Ctrl+Alt+T on keyboard to open terminal. When it opens, run command to add the PPA:
sudo add-apt-repository ppa:lrou2014/pingpath
Type user password for sudo authentication, and hit Enter to continue.
2. If you’re following this tutorial on Linux Mint, then you may either use Software Manager or manually refresh package cache by running command:
sudo apt update
3. Finally, install the network diagnostic tool by command:
sudo apt install pingpath
Once installed, search for and launch it from either start menu or Gnome overview screen depends on your desktop environment, and enjoy!
To uninstall the tool, open terminal (Ctrl+Alt+T) and run command:
sudo apt remove --autoremove pingpath
And, remove the PPA, either by running the command below in terminal:
This simple tutorial shows how to install Zoom video communication client in Ubuntu 23.10, and fix unmet dependencies issue.
Zoom provides official .deb package for Ubuntu, however it’s built against old Mesa libraries that have been removed from Ubuntu 23.10 repository.
When trying to install the package, it will output something that:
‘The following packages have unmet dependencies:
zoom: Depends: libgl1-mesa-glx but it is not installable
Depends: libegl1-mesa but it is not installable
E: Unable to correct problems, you have held broken packages.’
Until Zoom updating its official package to correct the build dependencies, Ubuntu 23.10 user can simply download & install the 2 missing dependency packages: libgl1-mesa-glx and libegl1-mesa, from Ubuntu 22.04 repository. And, here’s how to do the trick step by step.
Step 1: Download Zoom package
Zoom provides official package available to download at the link below:
There are quite a few ways to transfer files between different machines. For Ubuntu and most other Linux, here’s an easy way for choice.
Usually, I use a USB cable or a messenger app for transferring photo images between my personal PC and mobile devices.
However, my USB cable is always NOT near at hand and I hate to scan QR code again and again on PC for logging 3rd app. In this case, creating a temporary http file server with Python is an easy and good choice.
Upside and downside
Python is pre-installed in most Linux Distros. So this is an universal method for Linux. It also works in Windows and macOS with Python programming language installed.
As a simply http server, any devices with a web browser can download (or upload) files from/to the server side either over local network or internet.
However, http is NOT designed for transferring files. It’s OK to handle small files (e.g., photo images and short videos less than a few hundred MB). But for large files with a few GB or more file size, it may not work! As well, it’s NOT secure for accessing important files outside from local network.
Single command to create a Python http server:
For those who are new to Linux, user may first open file manager, navigate to the folder that contains the files to share with other device, right-click on blank area and select “Open in Terminal”.
It will open a terminal window and automatically navigate to that folder as working directory.
Or, you can also open terminal from start menu and run cd command to navigate directory. For example, run the command below to navigate to user’s Pictures folder:
Then, run the single command to start a http file server (For some Linux, replace python3 with python in command):
python3 -m http.server
By default, it listens to port 8000. If the port is already in use, use python3 -m http.server 9090 to set another port number (change number 9090 as you want).
After that, visit http://ip-address:8000 (change number 8000 if you set another port) in any device via a web browser. You can then open and/or right-click save as to download any file from that folder.
Create python http server with upload support
1. If you want to send files from any device to Ubuntu Linux, open terminal and run command:
python3 -m pip install --user uploadserver
Install pip first via sudo apt install python3-pip if the command above does not work. This command will install a Python module uploadserver.
2. Then open or navigate to your desired folder in terminal window, and run command to create simple http file server with both download and upload support:
python3 -m uploadserver
Also specify port number if you want, for example, python3 -m uploadserver 9990
3. Finally, visit http://ip-address:8000 in any device via web browser can access and download files. Or, go to http://ip-address:8000/upload for uploading files.
For security reason, you may add a token authentication so client machines need to verify before being able to upload a file. To do so, run the command below instead in Ubuntu Linux:
Looking for a peer to peer file transfer app that works outside the local network? Warp is the stupid simple application to do the trick for Linux.
There are a few applications for LAN file transferring, such as Warpinator and Dukto. For sending date all over the world, Warp is a new GTK4 app for transferring any arbitrary-sized files and directories without struggling with Linux command or using a cloud service.
The app provides a stupid simple interface with 2 tabs: Send and Receive. Simply click on the “send file” (or folder) button and select your data, it will generate a transmit code.
On another machine with the app installed, type the code in “Receive” tab and click “Receive File” button will start transferring data.
Every file transfer is encrypted using the Magic Wormhole protocol. And, it will directly transfer files on the local network if possible. Though, an internet connection is required to connect to rendezvous server so sender and receiver can find each other over the internet.
How to Install Warp in Linux:
NOTE: The app is in early age that may have bugs. At the moment of writing, it provides binary package for most Linux systems and Chrome OS using Flatpak package.
For Ubuntu, firstly press Ctrl+Alt+T on keyboard to open terminal. When it opens, run the command to install flatpak daemon:
Want to share your files over local network or transfer file from one PC to another PC? Here are a few commonly used ways to do the job in Ubuntu 22.04 LTS.
Option 1: Share Folder Temporarily via Python scripts:
Without installing any package, user may run a built-in Python script at any time to create a http file server for temporary use. Any device (Windows, Mac, Linux PC, and mobile phones) can access or download the files via a web browser.
NOTE: This method seems to be not working good for transfer large files (1 GB+).
1. First, right-click on the folder you want to share. Then click on “Open in Terminal” option in the context menu to open terminal.
2. Next, run command to share this folder content over LAN via command:
python3 -m http.server
In case the default listening port 8000 is already in use, you may specify another port (9001 for example) via command:
python3 -m http.server 9001
Now, in any device’s web browser, go to http://ubuntu-machine-ip:9001 (change the port accordingly, default is 8000). Click to open file directly or right-click and select “save as …” to download file.
To stop sharing the folder, either press Ctrl+C in terminal window or just close it.
Option 2: Use Dukto file transfer
If you transfer files regularly from one PC to another, then the open-source “Dukto” app is a good choice that works on Linux, MacOS, and Windows machines.
Just open the app in both machines, it will detect each other automatically and offer options to transfer file/folder, and send text.
Though the app has not been updated for years, it’s still working very well! Mac and Windows users may download & install the app packages from:
For Ubuntu user, the package in previous link does not install due to dependency issue. However, the Qt6 port from this Ubuntu PPA is available for all current Ubuntu releases.
Simply open terminal by pressing Ctrl+Alt+T on keyboard, and run following commands one by one will add the PPA and install Dukto in Ubuntu:
sudo add-apt-repository ppa:xuzhen666/dukto
sudo apt update
sudo apt install dukto
Option 3: Share Folder via Samba
If you want to share a folder for long time use, it’s better to use the samba file sharing service. This can be done easily in Ubuntu, since “Files” (Nautilus file manager) provides a context menu option to do the job.
1.) Firstly, right-click on the folder you want to share. Then, click on the “Local Network Share” menu option.
2.) In the pop-up dialog, enable the checkbox which says “Share this folder”.
3.) If you’re doing this for the first time, it will prompt to install the samba sharing service.
Just click “Install service” and confirm in next dialog to install the required packages.
4.) After installing them, go back to the previous dialog in step 1.). Enable “Share this folder” and tick “Guest access” and “Allow others to create and delete …” accordingly.
If you enabled the write permission (“Allow others to create and delete …”), it will prompt to change the folder permissions.
5.) If you got “‘network share’ return 255” error, open terminal (Ctrl+Alt+T) and run command to add current user to ‘sambashare’ group should fix the issue after logged out and back in.
sudo gpasswd --add $USER sambashare
And, if you didn’t enable guest access then a separated password has to be added for authentication:
sudo smbpasswd -a $USER
To access this samba share:
For Windows user, press Window key + R on keyboard to open “Run” box, and type \\ubuntu-machine-ip. Then type username and password you set in previous step to access this folder.
For Linux user (only tested in GNOME), open “Files -> Other Locations” and type smb://ubuntu-machine-ip in button to connect.
For MacOS, press command + K on keyboard to open Connect to Server dialog, type smb://ubuntu-machine-ip and hit Enter to access.
Looking for a secure instant messaging app? Speek.Chat is a free open-source messenger based on Tor hidden network services.
No server, no metadata, no ID or phone number! With it, users are only identified via public keys. By sharing the key to others, they can send request to add you into contact list and then start chatting.
All messages and files are end-to-end encrypted and routed via the Tor network. No middleman server that could be compromised, taken down or leak user information. You can chat anonymous without exposing your identity (or IP) to anyone.
Speek.Chat messenger features:
Serverless, no metadata, anonymous.
Peer to peer encrypted using TLS/SSLv3, routed via Tor network.
Nothing is stored. All messages deleted on app close.
The app is available in Microsoft Store for Windows, and app store for macOS 10.12 or later.
For Linux, it provides the non-install Appimage available to download at the project releases page:
Grab the package from ‘Assets’ section, then right-click on it and go to file ‘Properties’. After adding permission to ‘Allow executing file as program‘, you can right-click and select run to launch the messenger.
If you don’t want to use it anymore, just remove the .appimage package and that’s all.
There’s a good NetSpeed indicator that shows the current download & upload speed in Ubuntu panel. For those would like a floating desktop widget, a new extension is available for GNOME 40.
The new ‘Screen Net Speed‘ extension adds an animated widget to your screen displays current download & upload speed. By clicking on it will toggle display its position (so far only bottom left or bottom right).
The widget is always on top. And, it automatically rises (move up) when network speed increase and sets (move down) when speed slow down. As well, a paper plane icon is present in panel to toggle display the widget.
How to Install Screen Net Speed:
The extension at the moment only supports GNOME 40. Which means, you need Ubuntu 21.10.
1. Install ‘chrome-gnome-shell’
Firstly, make sure you have installed the chrome-gnome-shell package, which is required for installing Gnome Extensions in Ubuntu viaweb browser.
To install it, press Ctrl+Alt+T on keyboard to open terminal. Then, run command:
sudo apt install chrome-gnome-shell
2. Install Network Speed Widget:
NOTE: Firefox as Snap (pre-installed in Ubuntu 21.10) so far (March, 2022) does not support for installing Gnome Extensions! Use another browser or install Firefox as classic DEB package.
Now, go to the link button below in web browser and turn on the toggle icon to install the extension: