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I upgraded binary youtube-dl following this instruction. locate seems to find it, not ls, and it cannot be invoked. What is happening?

/usr/bin $ sudo apt-get remove youtube-dl
/usr/bin $ sudo curl -L https://yt-dl.org/downloads/latest/youtube-dl -o /usr/local/bin/youtube-dl
/usr/bin $ sudo chmod a+rx /usr/local/bin/youtube-dl
/usr/bin $ locate youtube-dl
/usr/bin/youtube-dl
/usr/share/bash-completion/completions/youtube-dl
/usr/share/doc/youtube-dl
/usr/share/man/man1/youtube-dl.1.gz
/usr/share/zsh/vendor-completions/_youtube-dl
/var/lib/dpkg/info/youtube-dl.list
/var/lib/dpkg/info/youtube-dl.md5sums
/var/lib/dpkg/info/youtube-dl.postinst
/var/lib/dpkg/info/youtube-dl.postrm
/var/lib/dpkg/info/youtube-dl.preinst
/var/lib/dpkg/info/youtube-dl.prerm
/usr/bin $ youtube-dl --version
bash: /usr/bin/youtube-dl: No such file or directory
/usr/bin $ ls y*
yacc  ybmtopbm  yelp  yes  yuvsplittoppm  yuvtoppm
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  • look at the curl command line in your printout Commented May 5, 2019 at 20:28

2 Answers 2

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locate is not "real time" : it scans the filesystem and remembers files and locations in its internal database. This is what's happening to you here when running :

/usr/bin/youtube-dl

You're served the outdated value of this file's location because the database has not (yet) been updated. You can force this with :

slocate -u

full details : https://ss64.com/bash/locate.html

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You downloaded with curl to /usr/local/bin/youtube-dl and have removed the old version from /usr/bin. locate is not up to date. Run /usr/local/bin/youtube-dl.

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  • /local eluded me, that and your answer explains most of it. /usr/bin $ sudo updatedb [sudo] password for er: er@laptop /usr/bin $ locate youtube-dl /usr/local/bin/youtube-dl /var/lib/dpkg/info/youtube-dl.list /var/lib/dpkg/info/youtube-dl.postrm Commented May 5, 2019 at 22:19

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