Apt server certificate error with download.01.org
117719
Problem with certificates
17208
What does this apt error message ("Download is performed unsandboxed as root...") mean?
21184
Running "sudo apt-get update" returns connection errors
38611
Invalid SSL certificate when pushing to Git server
13720
apt-get update fails to fetch files, “Temporary failure resolving …” error
17782
Can't upload updated APK to Google Play due to different certificate
34069
Why am I getting authentication errors for packages from an Ubuntu repository?
61177
How to set up an APT repository?
130650
E: The repository 'http//archive.canonical.com precise Release' is not signed
96034
Android does not download any files from untrusted CA certificate site
54410
java.security.cert.CertPathValidatorException: Trust anchor for certification path not found
138405
Why wget doesn't verify SSL certificates?
28467
Certificate error when using Citrix Receiver
123300
Invalid keystore format
155179
How to get apt-cacher-ng to download AND cache packages from Apt HTTPS repositories?
58289
Error doing callout to a site with GoDaddy certificate
10193
Failed to download repository information due to missing CDROM