> Fix gem install problem on Ubuntu 16.04
$ sudo apt-get install postgresql-client libpq5 libpq-dev
$ sudo gem install pg
$ sudo apt-get install postgresql-client libpq5 libpq-dev
$ sudo gem install pg
> Type these commands about this PPA : $ sudo add-apt-repository ppa:canonical-chromium-builds/stage $ sudo apt-get update $ sudo apt-get install chromium-browser > Terminal: mccrazy@Lenovo-N22:~$ sudo add-apt-repository ppa:canonical-chromium-builds/stage [sudo] password for mccrazy: Testing site just before upload to Ubuntu main. Things here are either broken and not ready to use, or landing in the distro anyway very soon. You shouldn't use this. More info: https://launchpad.net/~canonical-chromium-builds/+archive/ubuntu/stage Press [ENTER] to continue or ctrl-c to cancel adding it gpg: keyring `/tmp/tmp6cfppy_r/secring.gpg' created gpg: keyring `/tmp/tmp6cfppy_r/pubring.gpg' created gpg: requesting key 5B393194 from hkp server keyserver.ubuntu.com gpg: /tmp/tmp6cfppy_r/trustdb.gpg: trustdb created gpg: key 5B393194: public key "Launchpad PPA for Canonical Chromium Build Team" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA...
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