IMPORTANT INFORMATION FOR PARTICIPANTS for NASA Space Apps Challenge 2021 - Ghazipur, UP, India

 

IMPORTANT INFORMATION FOR PARTICIPANTS

• Connect with your Local Lead: Each location Event Info page contains contact information for the “Local Leads” -- the Space Apps volunteers from your location who will be organizing virtual gatherings for your location and providing support to participants both prior to and during the hackathon. (The Universal Event also has a Local Lead.) Please feel free to contact Chapter Lead - Anwar Jamal at Toughjamy@yahoo.com

• Our Facebook Community: Follow Space Apps on https://www.facebook.com/spaceappsghazipur/

• You can also follow the blog World Wide Web Learner's Consortium for more details about NASA Space Apps Challenge, ideas and more hackathon helpful APIs and Data.

• Pick a Challenge: The challenges are now available! Browse the options and decide which one you want to solve! Recommended data for each challenge can be found by clicking the "Resources" tab. We encourage you to invite your friends along! Typical Space Apps teams have 2-6 participants (the limit is 6 members per team). Space Apps is all about collaboration and the most successful teams are often ones with a diverse set of skills and expertise -- coding, storytelling, creativity, data, science, engineering, technology, and more.

• Judging and Awards: Space Apps is all about collaboration and problem solving. However, we do offer awards to the most promising projects. More information about Judging and awards can be found in the Space Apps 2020 Judging and Awards Guide. For Ghazipur Space Apps Challenge the judges will include primarily but not limited to Mohd Anwar Jamal Faiz, Industry professionals, IEEE Members, OWASP Leaders, faculty from AMU Aligarh, PhDs and practitioners of STEM in India.

Learn more! Do you want to know more about the challenges, chat rooms, project submission, and awards and other important information? Please consult the Participant FAQ and other guides on the Space Apps resources page and on your user dashboard.

Thank you! We’re looking forward to a fun-filled Space Apps weekend!

Registration, Sponsorships and Judging

Ghazipur, Uttar Pradesh is inviting teams to register for the contest.

We also welcome sponsorships to join in the event!

Local prize winners shall be judged on the basis of idea, completeness, novelty, presentation and use of NASA available APIs and resources.

For any issues, please contact NASA Space Apps Lead - Mohd Anwar Jamal Faiz (+91-8888327658) Toughjamy@yahoo.com

SCHEDULE (ALL TIMES ASIA/KOLKATA)

Sunday, September 26th

1. 7:00 pm

   Introduction to Space Apps Challenge 2021

NASA Space Apps Challenge - Ghazipur, UP India

 Space Apps 2021 will take place OCTOBER 2–3, 2021. In light of the COVID-19 pandemic and in the interest of our global community’s health and safety, this year’s hackathon will be an all-virtual event. In other words, all local events will be moved online. Our theme for this year’s event -- "Take Action" -- is a critical reminder that you can make a difference, even from the comfort and safety of home. We have brought NASA SpaceApps Challenge to Ghazipur, UP, India this year. There is lots of talent in the Tier 2 cities of India, and the Chapter Leader and Organiser Anwar Jamal aims to motivate the youth and students of this region and bring them to compete globally!

YOU

can participate in the largest

space & science hackathon 

in the solar system!

Since its inception in 2012, NASA’s International Space Apps Challenge has become the world’s largest global hackathon, engaging thousands of citizens across the globe to use NASA’s open data to build innovative solutions to challenges we face on Earth and in space.

Space Apps is managed by the Earth Science Division, Science Mission Directorate, at NASA Headquarters in Washington, DC. It is organized in collaboration with Booz Allen Hamilton, Mindgrub, SecondMuse, and the NASA Open Innovation Applied Sciences Program.

What is NASA Space Apps Challenge

 

HELLO, SPACE APPS COMMUNITY!

Space Apps 2021 will be coming to you on October 2-3, 2021. We’re excited to embark with you on this journey!

This page contains information relevant to ALL participants - no matter which location you’re registered for. To see the particular details for your local virtual event, please select the “Event Info” tab above. That page is important because your location may be hosting special events, offering local awards, or providing additional opportunities that are not reflected on this page or in our other materials. So, make sure you’re up-to-date!

IMPORTANT INFORMATION FOR ALL PARTICIPANTS

In the interest of our global community’s continued health and safety, this year’s hackathon will be an all-virtual event. Thus, all local events will be moved online. While we hope to have in-person events in the future, we hope that this virtual environment provides new opportunities to collaborate across time and space!

Check out Our Resources

• To celebrate our tenth annual event, our theme for Space Apps 2021 is the “The Power of Ten.” Click here to read more about the history of Space Apps and how we are celebrating this important milestone.
• As you begin your Space Apps journey, the best resource for you to read is the 2021 Participant FAQ (Frequently Asked Questions).
• Before the hackathon begins, detailed guides (on chat, team formation, project submission, and judging and awards) will be posted on the Space Apps resources page and on your user dashboard under "Materials.”

Register for a Location

• You will not be able to participate in the hackathon until you have registered for a location. Please click the "Register Now" button on this page to register for this location or to create a Space Apps account (if you do not already have one).
• If there is a location for your city or for a city near you, please register for that location. (Locations will be added through early September, so please check back for your location.)
• If you do not see a local event for your city, please join the Universal Event. It is for everyone who is not affiliated with a location. You will be able to meet other people joining the Universal Event and form teams! (If a location near you is added at a later date, you may change your location.)
• You can change your location at any time in your user dashboard, once you have created an account. Select "Change Location."
• Registration will be open through the end of the hackathon. However, we encourage you to create an account and register for a location far in advance to ensure that you get plugged into the local community and that you can take full advantage that will open before the hackathon begins, such as chat and team formation.

Contact your Local Lead

Each location page contains contact information for the “Local Leads” -- the Space Apps volunteers from your location who will be organizing virtual gatherings for your location and providing support to participants both prior to and during the hackathon. The Universal Event also has a Local Lead. Don’t hesitate to reach out to them if you have questions!

Save the Dates

The hackathon will begin Saturday, October 2 at 9:00 AM (local time) and end on Sunday, October 3 at 11:59 PM (local time). But there are other important milestones before then, such as the release of challenges and virtual bootcamp videos, as well as the opening of chat and team formation. See the Participant FAQ for all of the important dates.

Recruit Friends

We encourage you to invite your friends along! Typical Space Apps teams have 2-6 participants (the limit is 6 members per team). Space Apps is all about collaboration and the most successful teams are often ones with a diverse set of skills and expertise -- coding, storytelling, creativity, data, science, engineering, technology, and more.

Connect with the Community

Follow Space Apps on Twitter, Instagram, Facebook, and YouTube to receive the latest announcements.

Have additional questions?

If you are unable to find answers to your questions in our resources or from your Local Lead, please email us as info@spaceappschallenge.org. We will update this page as additional information and features are available.

WE LOOK FORWARD TO A FANTASTIC HACKATHON. THANK YOU FOR BEING A PART OF THE SPACE APPS GLOBAL COMMUNITY!

iMovie Not Enough Disk Space: How to Clear Disk Space on iMovie

Best Ways to Fix “iMovie Not Enough Disk Space” Error

iMovie is a software developed by Apple and it is their most basic video editing product. There are more advanced video editing applications of Apple, so iMovie has limitations. But still, I find it very useful as a free and default App.

But sometime you get to see an error message while importing a video. The error says - "there is not enough disk space available at the selected destination"

When we talk about “iMovie, not enough disk space” error, of course, the first thing that comes to mind is that you’ll have to clear up space to resolve the issue.

So how exactly can you reduce the space that is consumed by the iMovie app? If this is only the case, then you have a lot of options to pick from. Here’s a rundown of those options:

• Move your files into another drive
• Check for and delete duplicated clips
• Export files you don’t necessarily need at the moment
• Erase iMovie projects that are not up-to-date
• Clear up your iMovie library of unnecessary projects and events
• Delete clips that already have no use for you
• 
  

These six are your options for resolving the “iMovie not enough disk space” error. While it may sound easy, there are steps that need to be taken to pull them off perfectly.

So cheers!

Simple Ways to Get the Size of Directories and files in Linux

• Check Disk Space with the Commands du and df - Linux
• How to find size of directory in linux
• How do I get the size of a directory on the command line
• Linux Check Disk Space Command To View System
• display the size and other stats of a file/directory or a filesystem.
• How to Get the Size of a Directory in Linux | Linuxizelinuxize.com › post › system Linux and Unix du command tutorial with examples

To answer these questions, I published an article in 2013. Since then it attained nearly half a million views. After 7 years, i find myself prompted to add some more details on it in relation to latest developments around this. So, please have all your above answers here:


Linux (and Typically all UNIX based or UNIX alike systems including AIX, Solaris, MAC or CentOS) offer two commands for checking out free disk space.


1. Linux "df" command :

Report file system disk space usage. That is, it shows information about the file system on which each FILE resides, or all file systems by default.


Syntax:  df [OPTION]... [FILE]...

Mandatory arguments to long options are mandatory for short options too.

  -a, --all             include dummy file systems
  -B, --block-size=SIZE  use SIZE-byte blocks
  -h, --human-readable  print sizes in human readable format (e.g., 1K 234M 2G)
  -H, --si              likewise, but use powers of 1000 not 1024
  -i, --inodes          list inode information instead of block usage
  -k                    like --block-size=1K
  -l, --local           limit listing to local file systems
      --no-sync         do not invoke sync before getting usage info (default)
  -P, --portability     use the POSIX output format
      --sync            invoke sync before getting usage info
  -t, --type=TYPE       limit listing to file systems of type TYPE
  -T, --print-type      print file system type
  -x, --exclude-type=TYPE   limit listing to file systems not of type TYPE
  -v                    (ignored)
      --help     display this help and exit
      --version  output version information and exit
SIZE may be (or may be an integer optionally followed by) one of following:
kB 1000, K 1024, MB 1000*1000, M 1024*1024, and so on for G, T, P, E, Z, Y.

EG. I am in a directory. But "df" command has nothing to deal with that. It outputs current OVERALL status of the system and its partitions.


 



2. Linux "du" command :


Estimate file space usage. That is, it summarize disk usage of each FILE, recursively for directories.


Syntax: du [OPTION]... [FILE]...

Mandatory arguments to long options are mandatory for short options too.

  -a, --all             write counts for all files, not just directories
--apparent-size   print apparent sizes, rather than disk usage; although
                          the apparent size is usually smaller, it may be
                          larger due to holes in (`sparse') files, internal
                          fragmentation, indirect blocks, and the like
  -B, --block-size=SIZE  use SIZE-byte blocks
  -b, --bytes           equivalent to `--apparent-size --block-size=1'
  -c, --total           produce a grand total
  -D, --dereference-args  dereference only symlinks that are listed on the
                          command line
      --files0-from=F   summarize disk usage of the NUL-terminated file
                          names specified in file F
  -H                    like --si, but also evokes a warning; will soon
                          change to be equivalent to --dereference-args (-D)
  -h, --human-readable  print sizes in human readable format (e.g., 1K 234M 2G)
      --si              like -h, but use powers of 1000 not 1024
  -k                    like --block-size=1K
  -l, --count-links     count sizes many times if hard linked
  -m                    like --block-size=1M
  -L, --dereference     dereference all symbolic links
  -P, --no-dereference  don't follow any symbolic links (this is the default)
  -0, --null            end each output line with 0 byte rather than newline
  -S, --separate-dirs   do not include size of subdirectories
  -s, --summarize       display only a total for each argument
  -x, --one-file-system  skip directories on different file systems
  -X FILE, --exclude-from=FILE  Exclude files that match any pattern in FILE.
      --exclude=PATTERN  Exclude files that match PATTERN.
      --max-depth=N     print the total for a directory (or file, with --all)
                          only if it is N or fewer levels below the command
                          line argument;  --max-depth=0 is the same as
                          --summarize
      --time            show time of the last modification of any file in the
                          directory, or any of its subdirectories
      --time=WORD       show time as WORD instead of modification time:
                          atime, access, use, ctime or status
      --time-style=STYLE  show times using style STYLE:
                          full-iso, long-iso, iso, +FORMAT
                          FORMAT is interpreted like `date'
      --help     display this help and exit
      --version  output version information and exit

SIZE may be (or may be an integer optionally followed by) one of following:
kB 1000, K 1024, MB 1000*1000, M 1024*1024, and so on for G, T, P, E, Z, Y.


Eg. I am in a directory. The "du" command tells about that directory. For eg. the following picture directly outputs the total size of that folder.




Just to add more:


Remember 3 important commands when you are sitting on a linux, solaris, AIX, FreeBSD, or Mac Box [Huh, enuff. Just remember Unix :)  ]


1. df

df command can get how much space is occupied and  how much available space.

You can give a device or mount point as an argument, and df report data only for the filesystem physically residing on that device. For example, the following command provides information only for the partition /dev/sda:
$ df /dev/sda
$ df -h /dev/sdc1
$ df /data/


2. du

du is the abbreviation of “disk usage”, this command will progressively into each subdirectory


Also, we can use the du command to look at the file size:

du anwar.txt
Remember, when du reports file sizes in blocks, the size it uses depends on several factors. You can specify which block size it should use on the command line. If you don’t force du to use a particular block size, it follows a set of rules to decide which one to use.

First, it checks the following environment variables:

DU_BLOCK_SIZE
BLOCK_SIZE
BLOCKSIZE
If any of these exist, the block size is set, and du stops checking. If none are set, du defaults to a block size of 1,024 bytes. Unless, that is, an environment variable called POSIXLY_CORRECT is set. If that’s the case, du defaults to a block size of 512 bytes.

So, how do we find out which one is in use? You can check each environment variable to work it out, but there’s a quicker way. Let’s compare the results to the block size the file system uses instead.

To discover the block size the file system uses, we’ll use the tune2fs program. We’ll then use the -l option, pipe the output through grep, and then print lines that contain the word “Block.”

In this example, we’ll look at the file system on the first partition of the first hard drive, sda1, and we’ll need to use sudo:

sudo tune2fs -l /dev/sda1 | grep Block


3. fdisk

fdisk can be used to  manage disk partitions. One can do tasks like create new partition or delete an existing partition



There is yet another tool/ command that you can use:

btrfs fi df /device/ – Show disk space usage information for a btrfs based mount point/file system.



Hope this acts like a quick guide to men and women trying to play with Linux and other UNIX alike systems.

Original post link: https://www.w3lc.com/2013/05/checking-file-system-directory-size-in.html

Cheers :)

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