Karl Marx CooleyTukey

## CMake_3_20_Ubuntu_18_04.md

      
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                CooleyTukey
                / CMake_3_20_Ubuntu_18_04.md
            
            
              Created
              June 20, 2023 10:28
                — forked from bmegli/CMake_3_20_Ubuntu_18_04.md
            
              
                CMake 3.20 in Ubuntu 18.04 (reversible way)
              
          
    Motivatation


modern CMake is required for building a lot of new software
CMake is dependency for many packages (e.g. ROS related)
we don't want to remove CMake (which would remove packages that depend on it)
we want safe procedure to update CMake that can be reversed easily

Current version in OS

Check current version

  
## letsencrypt-jetty.sh
# input: fullchain.pem and privkey.pem as generated by the "letsencrypt-auto" script when run with
# the "auth" aka "certonly" subcommand

# convert certificate chain + private key to the PKCS#12 file format
openssl pkcs12 -export -out keystore.pkcs12 -in fullchain.pem -inkey privkey.pem

# convert PKCS#12 file into Java keystore format
keytool -importkeystore -srckeystore keystore.pkcs12 -srcstoretype PKCS12 -destkeystore keystore.jks

# don't need the PKCS#12 file anymore
	# input: fullchain.pem and privkey.pem as generated by the "letsencrypt-auto" script when run with
	# the "auth" aka "certonly" subcommand

	# convert certificate chain + private key to the PKCS#12 file format
	openssl pkcs12 -export -out keystore.pkcs12 -in fullchain.pem -inkey privkey.pem

	# convert PKCS#12 file into Java keystore format
	keytool -importkeystore -srckeystore keystore.pkcs12 -srcstoretype PKCS12 -destkeystore keystore.jks

	# don't need the PKCS#12 file anymore