This tutorial is going to show you how to install Stellarium in Ubuntu 13.10 Saucy Salamander via PPA.
Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
Features:
sky
default catalogue of over 600,000 stars
extra catalogues with more than 210 million stars
asterisms and illustrations of the constellations
constellations for 15 different cultures
images of nebulae (full Messier catalogue)
realistic Milky Way
very realistic atmosphere, sunrise and sunset
the planets and their satellites
interface
a powerful zoom
time control
multilingual interface
fisheye projection for planetarium domes
spheric mirror projection for your own low-cost dome
all new graphical interface and extensive keyboard control
telescope control
visualisation
equatorial and azimuthal grids
star twinkling
shooting stars
eclipse simulation
supernovae simulation
skinnable landscapes, now with spheric panorama projection
customizability
plugin system adding artifical satellites, ocular simulation, telescope configuration and more
ability to add new solar system objects from online resources
add your own deep sky objects, landscapes, constellation images, scripts…
The latest release 0.12.4 fixed:
crash Stellarium 0.12.3 (Ocular)
Render nighttime landscapes without lighting
To install Stellarium in Ubuntu, press Ctrl+Alt+T on your keyboard. When it opens, run below commands one by one:
This quick tip is going to show beginners how to enable workspaces and add ‘show desktop’ shortcut icon on Unity Launcher in Ubuntu 13.10 Saucy.
Ubuntu 13.10 Saucy Salamander final is to be released on October 17th. Now it’s in beta 2.
By default, the Unity session only provide one working desktop. You can easily enable multi workspaces by following steps:
1.) Go to Unity Dash. Search for and open Appearance utility.
2.) When it opens, navigate to Behavior tab. Check the box which says “Enable Workspaces”, then you’ll get a shortcut icon on Unity Launcher which provides the ability to show and switch between workspaces.
As well as that, check the box “Add show desktop icon to the launcher”.
Ubuntu 13.10 Saucy Salamander Final is to be released on October 17th. Now it’s in beta stage.
This tutorial is going to show you how to upgrade your Ubuntu 13.04 Raring Ringtail to Ubuntu 13.10.
Before getting started:
Before you getting started any upgrade process, you need to do:
1.) Backup your important files, documents, bookmarks.
2.) If you’ve installed proprietary drivers manually directly from the manufacturers website then the recommendation is to remove these drivers first and revert to the open-source drivers before upgrading.
3.) Purge third-party PPAs via ppa-purge. Press Ctrl+Alt+T on your keyboard to open terminal. When it opens, run command to install ppa-purge:
sudo apt-get install ppa-purge
Then remove any ppa as well as downgrade installed packages. For example, purge ubuntu-x-swat ppa:
sudo ppa-purge ubuntu-x-swat/x-updates
You can use Y PPA Manager to add/remove/purge your PPAs on Ubuntu.
Upgrade to Ubuntu 13.10:
To get started upgrading process:
1.) Update system:
sudo apt-get update; sudo apt-get dist-upgrade
2.) Press Alt+F2 key combination on your keyboard, type in update-manager -d and open it.
3.) The software-updater is checking for updates and then downloading repository information.
4.) Once done, you’ll see below window where it says “However, Ubuntu 13.10 is now available (you have 13.04)”. Click on Upgrade button and the instructions afterwards.
Want to test your internet bandwidth without opening web browser? Well, here’s command line tool to do this using speedtest.net.
This may be help if you’re on Ubuntu Linux servers that doesn’t have a GUI. The tool is based on Python 2.4-3.3, so it works on all Canonical supported Ubuntu releases.
To install the tool, speedtest-cli:
1.) First install python-pip, a tool for installing and managing Python packages. To do so, run below command:
sudo apt-get install python-pip
2.) Install speedtest-cli via python-pip:
sudo pip install speedtest-cli
Once installed, you can use one command to test your internet bandwidth. The command is:
speedtest
You’ll see the similar output, which display you internet bandwidth as well as ISP & IP address.
Retrieving speedtest.net configuration…
Retrieving speedtest.net server list…
Testing from M-net Telekommunikations GmbH (88.217.180.40)…
Selecting best server based on ping…
Hosted by InterNetX GmbH (Munich) [2.23 km]: 18.756ms
Testing download speed………………………………….
Download: 7.81 Mbit/s
Testing upload speed…………………………………………..
Upload: 3.46 Mbit/s
This quick tip is going to show beginners how to install Adobe Reader 9 in Ubuntu 13.10 Saucy Salamander.
Adobe Reader is available in Canonical Partners repository for Ubuntu 13.04 Raring and earlier. At the moment the repository is not ready for Ubuntu 13.10. So this tutorial will show you how to install it via the official DEB package.
This quick tip is going to show beginners how to install Skype in Ubuntu 13.10 Saucy Salamander.
Ubuntu 13.10 final will be release on October 17th. Now it’s in beta 2. If you’re going to install Skype on Ubuntu Desktop, this tutorial may help.
1.) Skype is available in Canonical Partners repository, so first we’re going to enable this repository. Search and open Software & Updates from Unity Dash. When it opens, navigate to Other Software tab. Check on the first two lines.
2.) Install Synaptic Package Manager from Ubuntu Software Center. When done, you can use the tool to install Skype (see picture):
If you don’t want to install Synaptic, you can also run below commands instead in terminal (Ctrl+Alt+T):
sudo apt-get update; sudo apt-get install skype
To fix Skype no sound or distorted sound issues occured on Ubuntu 13.10:
sudo sed -i 's/^Exec=.*/Exec=env PULSE_LATENCY_MSEC=30 skype %U/' /usr/share/applications/skype.desktop
Ubuntu 13.10 Saucy Salamander is going to be released on October 17th. I’ve installed the final beta on my laptop. If you’re not comfortable with Ubuntu’s default window title buttons (minimize, maximize, close) location, you can easily move them to right via following steps.
1.) Go to Unity Dash, search for and open Dconf Editor. If not exist, install it from Ubuntu Software Center.
2.) When it opens, navigate to org -> gnome -> desktop -> wm -> preferences.
The Linux Kernel 3.10 LTS series had reached 3.10.13. All users of the 3.10 kernel series are urged to upgrade as soon as possible.
The Kernel 3.10.13 contains lots of fixes and improvements, read the official released note
To install or upgrade to 3.10.13 in Ubuntu 13.04, Ubuntu 12.04, Ubuntu 12.10, Linux Mint and their derivatives. Press Ctrl+Alt+T on your keyboard to open temrinal. When it opens, follow below instructions:
For 32-bit systems:
Run below commands one by one to download the DEBs: