====================================================================
    Install Qt 542
    ====================================================================
    Ign:1 http://dl.google.com/linux/chrome/deb stable InRelease
    Hit:2 http://ppa.launchpad.net/damien-moore/codeblocks-stable/ubuntu xenial InRelease
    Hit:3 http://dl.google.com/linux/chrome/deb stable Release
    Hit:4 http://in.archive.ubuntu.com/ubuntu xenial InRelease
    Ign:5 http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.0 InRelease
    Hit:7 http://ppa.launchpad.net/mystic-mirage/pycharm/ubuntu xenial InRelease
    Ign:8 http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.2 InRelease
    Get:9 http://security.ubuntu.com/ubuntu xenial-security InRelease [94.5 kB]
    Hit:10 http://in.archive.ubuntu.com/ubuntu xenial-updates InRelease
    Get:11 http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.0 Release [2,940 B]
    Hit:12 http://ppa.launchpad.net/numix/ppa/ubuntu xenial InRelease
    Hit:13 http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.2 Release
    Hit:14 http://in.archive.ubuntu.com/ubuntu xenial-backports InRelease
    Get:16 http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.0 Release.gpg [455 B]
    Hit:17 http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make/ubuntu xenial InRelease
    Ign:16 http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.0 Release.gpg
    Hit:18 http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.0/main amd64 Packages
    Hit:19 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease
    Hit:20 http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu xenial InRelease
    Fetched 97.8 kB in 1s (50.5 kB/s)
    Reading package lists... Done
    W: http://repo.mongodb.org/apt/ubuntu/dists/trusty/mongodb-org/3.2/Release.gpg: Signature by key 42F3E95A2C4F08279C4960ADD68FA50FEA312927 uses weak digest algorithm (SHA1)
    W: GPG error: http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.0 Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9ECBEC467F0CEB10
    W: The repository 'http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.0 Release' is not signed.
    N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    E: Unable to locate package qt54base
    E: Unable to locate package qt54imageformats
    E: Unable to locate package qt54tools
    E: Unable to locate package qt54declarative
    E: Unable to locate package qt54quickcontrols
    E: Unable to locate package qt54script
    E: Unable to locate package qt54quick1
    ====================================================================

source /opt/qt54/bin/qt55-env.sh && make && sudo make install

bash: /opt/qt54/bin/qt54-env.sh: No such file or directory