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I was trying to download a video from Youtube using Youtube-dl, but I got the sig error, so I tried to update Youtube-dl to the latest version and it wasn't working (I'm sorry, I don't remember what the error was or what it said in the terminal when I tried to update). So, I tried uninstalling and then reinstalling Youtube-dl. The uninstalling part worked fine, it's the installing part that I need help with now.
I tried typing "sudo apt-get install youtube-dl" and I get this:
Reading package lists... Done
Building dependency tree
Reading state information... Done
youtube-dl is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
So, I assumed that that meant that I had it installed, but when I tried to use it, nothing happens, or rather I just get this:
root@chaaaaaaarlie3:~# youtube-dl https://www.youtube.com/watch?v=eISomx-VMow root@chaaaaaaarlie3:~#
and the video obviously doesn't download.
I have been trying to fix this problem for awhile now and I have no idea what to do. I also have almost no knowledge of how to use terminals/Ubuntu/computers/things of that sort, so if you could be very specific when helping me, I'd appreciate it. (Okay, I'm not COMPLETELY stupid, but I really don't know much. Let's just say that Youtube-dl is the ONLY thing that I use terminals for >.> )

Oh, and I'm not sure if this would be what's messing up my attempts to use Youtube-dl, but I think I uninstalled Youtube-dl and it's dependencies and I may have purged my local/config files for Youtube-dl, too.
I can't really remember all that I did last night when I was trying to fix this...

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I got the same error when I tried to download that video so I think there might be a problem with downloading that particular video. To test if youtube-dl is working try downloading this 5-second video: youtube-dl -f 18 http://www.youtube.com/watch?v=pBPPLu2x3lI. For an explanation of the most commonly used commands for youtube-dl see this answer: askubuntu.com/questions/334081/… –  karel Jun 24 '14 at 1:35
Unfortunately, Youtube-dl isn't downloading ANYTHING anymore, not just that video. –  Amy Jun 24 '14 at 1:40
Try updating youtube-dl to that latest version by running the command: sudo youtube-dl -U and then try to download the 5-second video in the link in the previous comment again. –  karel Jun 24 '14 at 1:42
I have tried updating it, and nothing happens. It's supposed to say something after you type "sudo youtube-dl -U" and then hit enter, right? For me, it just does what it did when I tried downloading the video. And, I tried again just to see if anything would happen, and still nothing happened when I tried to download that 5 second video :/ –  Amy Jun 24 '14 at 1:46

2 Answers 2

up vote 1 down vote accepted

You are using Ubuntu 12.10 which is an End of Life release. I know this from your terminal output about Setting up 2014.06.02-1~webupd8~quantal from this PPA: ppa:nilarimogard/webupd8 which is found at this webpage. That's why you can't update youtube-dl. Your version of youtube-dl is out of date and Google has changed the code required to download a YouTube video since Ubuntu 12.10 was released. That is why you can't download any video. Try installing the latest version of Ubuntu, Ubuntu 14.04, which is a Long Term Support release that is supported by updates until April, 2019, and youtube-dl will work the way it's supposed to.

Then try to download a 5-second test video to check if youtube-dl is working:

youtube-dl -f 5 http://www.youtube.com/watch?v=pBPPLu2x3lI
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Oh, alright then. I'll have to wait until the next time I see my brother-in-law to update my OS, because he's my computer expert and I know nothing about how to update my OS myself.... (Yes, I really am THAT stupid when it comes to computers) But thank you for your help!! :) –  Amy Jun 24 '14 at 3:57

You don't have to upgrade the system. Update youtube-dl by adding this PPA:

sudo add-apt-repository ppa:nilarimogard/webupd8
sudo apt-get update
sudo apt-get install youtube-dl

Then you may download any video as usual. For example:

youtube-dl https://www.youtube.com/watch?v=Ix1rD4JD3eo
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