Get information about disc space usage in a folder with the gdu utility.
A very useful utility for Linux to keep track of disk space usage on Linux.
Read MoreTag: space
LIGO observatory the beginning of Star Trek-styled sensor arrays?
The LIGO observatory is providing a new view into the workings of stellar objects, but we are a long way from Star Trek sensor arrays as of yet.
Read MoreAnother useful command for listing the sizes of files in a directory.
The ncdu command for Linux is very good for listing the sizes of the files in a directory. This has many very useful options for use day-to-day.
Read MoreNewly released Pentagon documents discuss antigravity and alien technology.
Newly released Pentagon documents have revealed alien technology and how to harness anti-gravity technology to allow fast space travel using a sort of warp bubble. This involves the creation of a bubble of empty space, a vacuum within a vacuum and this sucks the ship along through space at superluminal…
Read MoreNeutron Stars documentary.
This documentary is a good explanation of the birth of Neutron stars, one of the densest and most awesome objects in the Universe. They are formed after a star explodes in a supernova and the stellar core is left behind with a huge amount of material compressed into the core…
Read MoreAstronomy still very popular in the modern age.
The BBC has hosted an astronomy night which resulted in the discovery of another exoplanet around a distant star. This is good news in the search for interstellar life. The Universe would have to be trillions of light-years across by now, the edges travelling faster than the speed of light,…
Read MoreNASA Voyager probe the furthest man-made machine from Earth.
The NASA Voyager probe that is currently travelling out of the Solar System has its own Twitter page! See it here: NASA Voyager. This probe has withstood amazing levels of radiation and kept up transmitting information back to NASA. On the sixth of September, the 35th anniversary of the launching…
Read MoreExploration of space is very important.
The exploration of space is very important to the future of mankind, there are countless resources in the asteroid belt and the outer planets. Even the Moon has many Helium 3 deposits, this could be used by colonists. And the mineral resources in the asteroid belt that would make any…
Read MoreLinux more durable than ever before.
The Linux distributions we use today are more stable and reliable than ever before. I remember when filling up your hard drive would lead to a kernel panic, but today my hard disk was at 0% space and I just got a notification popup telling me that, so I could…
Read MoreSome very useful Powershell tricks.
Print the current date and time with Powershell. "{0:dddd – hh:mm:ss – d/M/yy}" -f (get-date)"{0:dddd – hh:mm:ss – d/M/yy}" -f (get-date) This is an example of what this will give you. PS C:\Users\jason> "{0:dddd – hh:mm:ss – d/M/yy}" -f (get-date) Tuesday – 08:42:05 – 30/1/18PS C:\Users\jason> "{0:dddd – hh:mm:ss -…
Read MoreStrange things are waiting out in space. When are we going to start looking?
Strange things are waiting out in space. When are we going to explore them? There are many strange things waiting out in space for us to find them. But we need to start concentrating more on space travel and this will lead us to our future as a space-faring civilization….
Read MoreAmazing sights and possibilities in space.
Amazing sights and possibilities in space There are some amazing sights in space that we could discover in time if we could get there. This picture shows a binary star system in deep space. This is surrounded by a massive cloud of debris and dust. This could possibly create a…
Read MoreExoplanets discovered and they are way beyond our reach as of yet.
There is such a commotion around the exoplanets that have been discovered 39 light years from Earth, but this is way too far away for humans to reach it. Traveling at 200,000,000 miles per hour, it would take 130 years to reach the system. If you were in an infinite…
Read MoreNew exoplanet discovered 32.7 light-years from Earth.
Astronomers have discovered a new exoplanet that is 37.7 light-years from Earth. And it is a very short trip too, at 50,000,000 miles per hour, an intrepid space traveler could reach it in 43.86 average Gregorian years. That is not long at all. At 8000,000,000 kilometers per hour, our space…
Read MoreThe NASA Voyager probe is the furthest man made object from the Earth at the moment.
The NASA Voyager probe that is now traveling out of the Solar System has its own Twitter page! See it here: NASA Voyager. This probe has withstood amazing levels of radiation and is still transmitting precious information back to NASA. On the sixth of September the 35th anniversary of the…
Read MoreAmazing sights and facts about our universe. What is really out there in the vastness of space?
Following on from this posting: http://www.securitronlinux.com/uncategorized/amazing-facts-about-the-universe-we-live-in/, here is another post about the amazing universe we inhabit. One amazing sight in the universe is the Neutron Star. This is a stellar body that is about 20 kilometers in diameter and has 1000 billion times the gravity of the Earth. This would…
Read MorePluto probe is an exciting achievement for humanity.
The New Horizons probe to Pluto has sent back some exciting photos. The smallest planet in the solar system is also the coldest, -233 degrees Celsius. This makes it too cold to land on. A spacesuit would not last long in such cryogenic temperatures. But this is the furthest object…
Read MoreIndian space probe imaging the Martian landscape from space.
The Indian space probe, Mars Orbiter Mission has reached the red planet. This is a momentous day for the struggling nation, this shows that anyone can reach into space if they have the money and the determination to achieve greatness. Mars has always been a mystery ever since the first…
Read MoreHow to list all files in a directory that are larger than one megabyte.
Use this command to find all files in a directory that are larger than 1 megabyte. find . -maxdepth 1 -type f -size +1M -exec ls -Shal {} \+ | headfind . -maxdepth 1 -type f -size +1M -exec ls -Shal {} \+ | head Here is this command in…
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