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April 20, 2021 11:17
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Adding Ubuntu PPA repository behind a firewall. When you are behind a corporate firewall that only allows outbound traffic on ports 80 and 433 the usual apt-add-repository command will not work. To get around it. Here is the workaround.
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| # trying to install PPA behind firewall fails: | |
| $ sudo add-apt-repository ppa:chris-lea/node.js | |
| gpg: requesting key C7917B12 from hkp server keyserver.ubuntu.com | |
| gpgkeys: HTTP fetch error 7: couldn't connect to host | |
| gpg: no valid OpenPGP data found. | |
| gpg: Total number processed: 0 | |
| recv failed | |
| # this is how you get around it (use the key from the command above) | |
| $ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys C7917B12 |
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