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wifi hotspot

Miss Realtek rtlwifi drivers or get ‘No WiFi Adapter Found‘ issue? There’s now an Ubuntu PPA that contains the most recent rtlwifi drivers for Ubuntu, Linux Mint, and derivatives.

Without building from the source code, the “Linux Mint Türkiye” team maintains a PPA that contains the most recent wireless drivers with DKMS support for rtl8723bu, rtl8822bu, rtl8188eu, rtl8188fu, rtl8192cu, rtl8192du, rtl8192ee, rtl8192eu, rtl8192fu, rtl8723au, rtl8723bu, rtl8723de, rtl8723ds, rtl8723du, rtl8812au, rtl8814au, rtl8821ce, rtl8821cu, rtl8822bu devices.

If you have a RealTek USB WiFi Adapter or a laptop / notebook with built-in chipset in the previous list, do following steps may help you install the drivers in Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10, Linux Mint 20.

1.) First open terminal either from the system application launcher or by pressing Ctrl+Alt+T on keyboard.

2.) Then run command to add the Ubuntu PPA:

sudo add-apt-repository ppa:linuxmint-tr/wireless-ppa

3.) Then open Synaptic package manager, click Reload button refresh package cache, search either rtl or dkms.

Scroll down to find out the list of driver packages, then right-click on the one for your chipset and select ‘Mark for Installation’, finally click on Apply button to install it.

Or you can run command in terminal to install the driver (replace rtl8723de-dkms in the code):

sudo apt install rtl8723de-dkms

4.) The wireless network should work immediately after you installed the driver. You can manually unload and re-load the kernel module via commands (replace rtl8723de-dkms in the code):

sudo modprobe -r rtl8723de

sudo modprobe rtl8723de

Uninstall the RealTek Wifi Driver:

To remove the driver, either use Synaptic package manager or run apt command in terminal:

sudo apt remove --autoremove rtl8723de-dkms

And remove the Ubuntu PPA via command:

sudo add-apt-repository --remove ppa:linuxmint-tr/wireless-ppa

Gnome photo manager and image viewer gThumb 3.11.2 was released a few days ago. Here’s how to install it in Ubuntu 20.04, Ubuntu 20.10, Linux Mint 20, Pop!_OS 20.04 via PPA.

gThumb 3.11.2 features minor UI improvements including:

  • a proportional zoom increment in image viewer
  • keep the same pixel under the pointer after zooming
  • read color profiles from png files as well.
  • Media viewer: use accurate seeking when clicking on the progress bar.
  • Media viewer: show the pointed time when hovering over the progress bar.
  • Browser: added support for back and forward mouse buttons.
  • Preferences: added option to show/hide the statusbar.
  • Rename files: added a button to revert to the last used template.

And there are some bug-fixes, new or updates translations in the release.

How to Install gThumb via PPA in Ubuntu:

The Dariusz Duma’s PPA seems not being updated except for auto-build packages. So again… I uploaded the gThumb 3.11.2 packages into the unofficial PPA, available for Ubuntu 18.04 (not tested), Ubuntu 20.04, and Ubuntu 20.10.

The packages were backported from the Debian Unstable / Ubuntu 21.04 build from this page.

NOTICE: I offer no warranty for any package in this PPA. While they may work for me, you use them at your own risk.

1.) To add the PPA, open terminal and run command:

sudo add-apt-repository ppa:ubuntuhandbook1/apps

2.) You can then either upgrade photo manager from an old version via Update Manager (Software Updater), or run command in terminal:

sudo apt install gthumb

Uninstall gThumb & the Ubuntu PPA

To remove gThumb photo manager and image viewer, run command:

sudo apt remove --autoremove gthumb gthumb-data

To remove the Ubuntu PPA, either run the apt-add-repository command with --remove flag, or use Software & Updates -> Other Software.

KeePass2

KeePass password manager 2.47 was released user interface and integration enhancements and minor new features and improvements.

KeePass 2.47 release highlights:

  • Save search parameters as profiles, access via menu ‘Find’->’Search Profiles’.
  • Add ‘XPath expression’ search mode.
  • Add ‘Histop’ option in Find dialog.
  • Add ‘Help’ button in Find dialog.
  • Add auto-type matching option ‘Consider similar dashes as identical’.
  • Add commands ‘Copy Group (Encrypted)’, ‘Copy Group (Unencrypted)’ and ‘Paste Group’.
  • Added {TIMEOTP} placeholder, generates a time-based one-time password.
  • Enhanced XML key file format.
  • Add command ‘Print Key File Backup’.
  • Add command ‘Create Key File’.
  • Add Argon2id key derivation function.
  • Add support for importing Dashlane 6.2039.0 JSON files.
  • Add a few more options in the import/export dialog.
  • Plugins can now disable/enable specific Mono workarounds.

How to Install KeePass 2.47 in Ubuntu via PPA:

Although there’s a Linux native community fork KeePassXC available, KeePass2 is still available to install via an Ubuntu PPA. So far, the PPA supports for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, and Ubuntu 20.04.

1.) Open terminal and run command to add the PPA:

sudo add-apt-repository ppa:ubuntuhandbook1/keepass2

2.) Then refresh system package cache via command:

sudo apt update

3.) Finally install the mono based password safe package:

sudo apt install keepass2

Uninstall KeePass2:

To remove the software package, run command in terminal:

sudo apt remove --autoremove keepass2

And remove the Ubuntu PPA via command:

sudo add-apt-repository --remove ppa:ubuntuhandbook1/keepass2

Luminance HDR

Luminance HDR 2.6.1, free and open-source HDR imaging software, is available to install in Ubuntu 20.04, Ubuntu 20.10, Linux Mint 20.

Before it’s officially announced the new release source tarball now is available to download. And Luminance HDR 2.6.1 is a bug-fix release the features:

  • Better UI for last step of HdrWizard
  • Fix highlights glitch
  • Fix save/load response cure even from the command line
  • Fix scrolling of progress area in BatchHDR
  • Some other bug-fixes and translation updates.

How to Install Luminance HDR via Ubuntu PPA:

The Dariusz Duma’s PPA was maintaining the software package. It however seems not being updated except for auto-build packages.

For those sticking to an Ubuntu PPA, there’s an alternative unofficial PPA available and you can run following steps one by one to get it in your Ubuntu.

1.) Open terminal from system application menu and run command to add the PPA:

sudo add-apt-repository ppa:ubuntuhandbook1/apps

2.) Then install the HDR creator via command:

sudo apt install luminance-hdr

Uninstall:

To remove the software package, simply run command:

sudo apt remove --autoremove luminance-hdr

And to remove the Ubuntu PPA, open Software & Updates navigate to Other Software tab and remove the relevant line.

The Python programming language 3.10 is now in development. For testing purpose you can install the alpha release via PPA in Ubuntu 20.04, Ubuntu 18.04, Ubuntu 16.04, Linux Mint 19.x/20, and derivatives.

Many new features for Python 3.10 are still being planned and written. Among the new major features and changes so far:

  • Remove wstr from Unicode
  • Allow writing union types as X | Y
  • Parameter Specification Variables
  • Precise line numbers for debugging and other tools.
  • from __future__ import annotations is now the default.
  • Add Optional Length-Checking To zip.

Install Python 3.10 Alpha via PPA:

So far, it’s Python 3.10 a4 the fourth of six planned alpha releases, which is available to install via this Ubuntu PPA.

1.) Open terminal from system application menu, and run command to add the PPA:

sudo add-apt-repository ppa:deadsnakes/ppa

Type user password (no asterisk feedback) for sudo prompts and hit Enter to continue.

2.) Then refresh system package via command:

sudo apt update

3.) Finally install Python 3.10 via command:

sudo apt install python3.10

Once installed, check via python3.10 --version command or just run python3.10 to access the IDE in terminal.

Uninstall Python 3.10:

To remove the programming language, run command:

sudo apt remove --autoremove python3.10

And remove the Ubuntu PPA via Software & Updates utility under Other Software tab.