Karl Entwistle karlentwistle
karlentwistle
/ gist:6ccb43db95200e41e289
Last active
August 29, 2015 14:01
Fix for blurry text on Dell 30" U3014 connected by DisplayPort to Mac Pro. Copy the created Folder to /System/Library/Displays/Overrides before rebooting.
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| #!/usr/bin/ruby | |
| # Create display override file to force Mac OS X to use RGB mode for Display | |
| # see http://embdev.net/topic/284710 | |
| # | |
| # Update 2013-06-24: added -w0 option to prevent truncated lines | |
| require 'base64' | |
| data=`ioreg -l -w0 -d0 -r -c AppleDisplay` |
karlentwistle
/ Output from doctor
Last active
March 19, 2016 06:41
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| ruby doctor.rb | |
| /usr/bin/ruby1.8 (1.8.6) | |
| OpenSSL 0.9.8g 19 Oct 2007: /usr/lib/ssl | |
| SSL_CERT_DIR="" | |
| SSL_CERT_FILE="" | |
| HEAD https://status.github.com:443 | |
| OpenSSL::SSL::SSLError: certificate verify failed | |
| The server presented a certificate that could not be verified: |
karlentwistle
/ gist:10739384
Created
April 15, 2014 14:58
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| blablabla | |
| blablabla |
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| cd /etc/ssl | |
| sudo c_rehash |
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| digicert/DigiCertHighAssuranceCA-3.crt | |
| digicert/DigiCertSecureServerCA.crt | |
| digicert/DigiCertHighAssuranceEVRootCA.crt |
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| mkdir /usr/share/ca-certificates/digicert/ | |
| mv *.crt /usr/share/ca-certificates/digicert/ |
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| openssl x509 -inform DES -in DigiCertHighAssuranceEVRootCA.crt -out DigiCertHighAssuranceEVRootCA.crt -text | |
| openssl x509 -inform DES -in DigiCertSecureServerCA.crt -out DigiCertSecureServerCA.crt -text | |
| openssl x509 -inform DES -in DigiCertHighAssuranceCA-3.crt -out DigiCertHighAssuranceCA-3.crt -text |
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| cd ~/ | |
| mkdir digi | |
| wget https://www.digicert.com/CACerts/DigiCertHighAssuranceEVRootCA.crt | |
| wget https://www.digicert.com/CACerts/DigiCertSecureServerCA.crt | |
| wget https://www.digicert.com/CACerts/DigiCertHighAssuranceCA-3.crt |
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| openssl s_client -connect graph.facebook.com:443 -showcerts | |
| CONNECTED(00000003) | |
| depth=1 /C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert High Assurance CA-3 | |
| verify error:num=20:unable to get local issuer certificate | |
| verify return:0 | |
| --- | |
| Certificate chain | |
| 0 s:/C=US/ST=CA/L=Menlo Park/O=Facebook, Inc./CN=*.facebook.com | |
| i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert High Assurance CA-3 |
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| curl https://facebook.com | |
| curl: (60) SSL certificate problem, verify that the CA cert is OK. Details: | |
| error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed | |
| More details here: http://curl.haxx.se/docs/sslcerts.html |