I want to install Passenger server on my virtual machine, so I do the following:
sudo sh -c "echo 'deb https://oss-binaries.phusionpassenger.com/apt/passenger trusty main' >> /etc/apt/sources.list.d/passenger.list" sudo chown root: /etc/apt/sources.list.d/passenger.list sudo chmod 600 /etc/apt/sources.list.d/passenger.list
But after I update
sudo apt-get update
I get this errors:
Err https://oss-binaries.phusionpassenger.com trusty/main amd64 Packages server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none Err https://oss-binaries.phusionpassenger.com trusty/main i386 Packages server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none Ign https://oss-binaries.phusionpassenger.com trusty/main Translation-en_US Ign https://oss-binaries.phusionpassenger.com trusty/main Translation-en Fetched 2,573 kB in 11s (220 kB/s) W: Failed to fetch https://oss-binaries.phusionpassenger.com/apt/passenger/dists/trusty/main/binary-amd64/Packages server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none W: Failed to fetch https://oss-binaries.phusionpassenger.com/apt/passenger/dists/trusty/main/binary-i386/Packages server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none E: Some index files failed to download. They have been ignored, or old ones used instead.
I already installed it previously many times and had no problems. I have no idea what might go wrong.
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Answer
Fixed that by reinstalling Ubuntu on clean VM. This issue might appeared because I copied my VM’s without turning it off.