start_new_project.md

Трудности при установку виртуалки #1 sudo apt-get update

W: GPG error: http://extras.ubuntu.com trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192 http://askubuntu.com/questions/235880/how-to-fix-gpg-in-updater

The following packages have unmet dependencies: git : Depends: liberror-perl but it is not installable E: Unable to correct problems, you have held broken packages. http://askubuntu.com/questions/140246/how-do-i-resolve-unmet-dependencies-a… http://ubuntuguide.org/wiki/Ubuntu_Trusty_Packages_and_Repositories http://askubuntu.com/questions/89096/how-do-i-enable-the-multiverse-reposit…

deb cdrom:[Ubuntu-Server 14.04.2 LTS Trusty Tahr - Release amd64 (20150218.1)]/ trusty main restricted

#deb cdrom:[Ubuntu-Server 14.04.2 LTS Trusty Tahr - Release amd64 (20150218.1)]/ trusty main restricted

deb http://security.ubuntu.com/ubuntu trusty-security main deb-src http://security.ubuntu.com/ubuntu trusty-security main deb http://security.ubuntu.com/ubuntu trusty-security universe deb-src http://security.ubuntu.com/ubuntu trusty-security universe deb http://security.ubuntu.com/ubuntu trusty-security multiverse deb-src http://security.ubuntu.com/ubuntu trusty-security multiverse

This software is not part of Ubuntu, but is offered by Canonical and the

respective vendors as a service to Ubuntu users.

deb http://archive.canonical.com/ubuntu trusty partner deb-src http://archive.canonical.com/ubuntu trusty partner

This software is not part of Ubuntu, but is offered by third-party

developers who want to ship their latest software.

deb http://extras.ubuntu.com/ubuntu trusty main deb-src http://extras.ubuntu.com/ubuntu trusty main

deb http://gb.archive.ubuntu.com/ubuntu/ trusty universe deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty universe deb http://gb.archive.ubuntu.com/ubuntu/ trusty-updates universe deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty-updates universe

deb http://gb.archive.ubuntu.com/ubuntu/ trusty multiverse deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty multiverse deb http://gb.archive.ubuntu.com/ubuntu/ trusty-updates multiverse deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty-updates multiverse

deb http://gb.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse

Uncomment the following two lines to add software from Canonical's

'partner' repository. This software is not part of Ubuntu, but is

offered by Canonical and the respective vendors as a service to Ubuntu

users.

deb http://archive.canonical.com/ubuntu trusty partner deb-src http://archive.canonical.com/ubuntu trusty partner

deb http://security.ubuntu.com/ubuntu trusty-security main restricted deb-src http://security.ubuntu.com/ubuntu trusty-security main restricted

https://gorails.com/setup/ubuntu/14.04

E: Package 'zlib1g-dev' has no installation candidate

E: Package 'zlib1g-dev' has no installation candidate E: Package 'build-essential' has no installation candidate E: Package 'libreadline-dev' has no installation candidate E: Package 'libsqlite3-dev' has no installation candidate E: Package 'sqlite3' has no installation candidate E: Package 'libxslt1-dev' has no installation candidate E: Package 'libffi-dev' has no installation candidate