Battery Monitor

Battery Monitor is a simple tool written in Python3 and PyGTK3. It notifies battery status of charging, discharging, fully charged through desktop notifications. When the battery is below 10%, it plays a sound and pops up a notification bubble.

No command typing on terminal, no extra indicator, the tool just pop notifications when the battery status changes.

Battery charging battery discharging
battery is fully charged battery low

How to Install Battery Monitor in Ubuntu:

1. Use PPA.

Open terminal (Ctrl+Alt+T) and run the commands below one by one to install it from the PPA:

sudo add-apt-repository ppa:maateen/battery-monitor

sudo apt update

sudo apt install battery-monitor

So far, Ubuntu 16.04 and Ubuntu 14.04 are supported.

2. For those who don’t want to add PPA, grab the .deb installer from the release page.

Once installed, launch the tool via command battery-monitor for the first time. Or just restart, it will start in background automatically at login.

NOTE: The software is in very earlier stage, it may have bugs. Report issues and ask requests at https://github.com/maateen/battery-monitor/issues

To uninstall it, just run command:

sudo apt remove battery-monitor

And remove the PPA if added via Software & Updates -> Other Software tab.

Ubuntu 16.04.1

The first point release of Ubuntu 16.04 LTS was released today with so many fixes, improvements, and Kernel and hardware support updates.

Updated CD images for Ubuntu 16.04.1 are available for download, including fixes for many hardware-specific bugs.

According to the change summary, Ubuntu 16.04.1 brings:

  • Some apt, systemd, dpkg and xinit bugs has been fixed in this release to fix upgrade issues.
  • some LibreOffice crash fixes.
  • Lots of fixes and improvements to Gnome Software (Ubuntu Software)
  • Enable the Snappy back-end for Gnome Software (Ubuntu Software)
  • Many many fixes to Unity, Unity Settings Daemon, compiz, lightdm display manager, oxide-qt browser engine, etc.
  • See the change summary for more details.

How to Upgrade to Ubuntu 16.04.1:

For Ubuntu 16.04, running a regular system update using Software Updater will bring you to Ubuntu 16.04.1.

update-ubuntu

Or run commands in terminal via:

sudo apt update && sudo apt upgrade

For Ubuntu 15.10 and Ubuntu 14.04, you may follow this guide to upgrade to 16.04.1.

You can upgrade directly from 14.04 to 16.04.1. Just make sure you have selected to notify LTS only in Software & Updates settings:

notify-lts

Cumulus Desktop Weather App

StormCloud, a stylish desktop weather app, now is resurrected! And it’s called Cumulus.

Cumulus is forked from Typhoon which is a community version forked from StormCloud 1.1. While Typhoon is not in active development, Daryl Bennett resurrect the weather app with the help of Typhoon developer in their spare time and its Cumulus.

Cumulus so far features:

  • temperature & wind speed support.
  • custom background color
  • adjust opacity
  • Unity Launch count that shows current temperature.

Cumulus weather app settings

cumulus

Known Bugs:

  • There are a few grey clouds spoiling an otherwise bright first run, including some opacity issues on first-run, dead links, broken support pages, and credits panel that credits the old developers.
  • Cumulus so far does not save location settings.

Download Cumulus:

The 64-bit .deb installer is available in the link below (PPA and snap package may be available in near future):

Download Cumulus Desktop Weather App

Click install the .deb package via Ubuntu Software and launch Cumulus from Unity Dash.

For those who have problem launching the app, try the command below to install gir1.2-webkit-3.0 in terminal (Ctrl+Alt+T):

sudo apt install gir1.2-webkit-3.0

via: OMG!Ubuntu!

MPV media player logo

MPV is a free and open-source media player forked from MPlayer2. It was started to modernize MPlayer by adding modern features, and removing unmaintainable code and dropping support for very old systems.

MPV uses FFmpeg or Libav for decoding, it can be used as a library in other applications (e.g., SMPlayer, and Gnome MPV).

Notable changes from MPlayer:

  • Through youtube-dl, MPV natively supports playback of HD content on YouTube and over 300 other supported sites.
  • include customizable video output driver based on OpenGL that supports for controlling playback quality
  • MPV can be used directly by other applications through a library interface called libmpv.
  • a new video encoding mode that can save playing files under different formats.

MPV

How to Install MPV in Ubuntu:

MPV is available in official Ubuntu repositories, but it’s old and Canonical does not provide updates for it. Besides building from the source code, you can install the latest version from this PPA.

1. To add PPA, open terminal (Ctrl+Alt+T) and run the command:

sudo add-apt-repository ppa:mc3man/mpv-tests

mpv-ppa

2. Then upgrade Mpv using Software Updater or just run the command in terminal to install/upgrade it:

sudo apt update && sudo apt install mpv

3. (Optional) To remove the PPA, go to Software & Updates -> Other Software tab. And remove mpv via command:

sudo apt remove mpv && sudo apt autoremove

Nvidia 367.35

Nvidia has recently announced the Linux driver 367.35 with GeForce GTX 1000 performance improvements and support for 8K H.265 video decoding.

Nvidia 367.35 release highlights:

  • Fixed a regression that could cause console corruption when resuming from suspend.
  • Improved buffer write performance of the nvidia-drm DRM KMS driver by using write-combined DRM Dumb Buffers where available
  • Fixed a bug that caused X to crash when applying changes to the RandR CscMatrix property while VT-switched away from X.
  • Fixed a bug that caused a crash when exiting nvidia-settings on displays with 8 or 15 bit color depths.
  • Added support for VDPAU Feature Set H to the NVIDIA VDPAU driver. GPUs with VDPAU Feature Set H are capable of hardware-accelerated decoding of 8192×8192 (8k) H.265/HEVC video streams.
  • Fixed a bug that caused the X server to sometimes skip displaying Vulkan frames when the Composite extension is enabled.
  • Added support for querying clock values on Pascal GPUs.
  • Removed the Base Mosaic configuration option from nvidia-settings on systems where the feature is not actually supported.
  • Fixed a bug that caused nvidia-smi to report an inaccurate version number.
  • Fixed a bug that could lead to a system crash if there was a peer-to-peer mapping still active during CUDA context teardown.
  • Fixed a bug that prevented nvidia-bug-report.sh from finding relevant messages in kernel log files.

How to Install Nvidia 367.35 in Ubuntu:

Graphics Driver Team has made the new driver release into PPA, available for Ubuntu 16.04, Ubuntu 15.10, Ubuntu 14.04, Ubuntu 12.04, and the next Ubuntu 16.10.

Follow the steps below to add PPA and install the driver:

1. Add Graphics Drive PPA, by opening terminal (Ctrl+Alt+T) and running the command:

sudo add-apt-repository ppa:graphics-drivers/ppa

nvidia-ppa
2. After that, install nvidia-367 driver using Additional Drivers utility.

additional-drivers

Or run the commands below one by one in terminal:

sudo apt update

sudo apt install nvidia-367

Finally restart your computer and done.

3. For any issue you may remove the driver via the steps below, and then install a different version of the driver.

  • press Ctrl+Alt+F1 to switch to command console and login
  • purge Nvidia driver via command sudo apt purge nvidia-*
  • reboot via command sudo reboot