~$ sudo add-apt-repository ppa:mktcoin/mktcoin [sudo] password for jax: Cannot add PPA: 'ppa:~mktcoin/ubuntu/mktcoin'. ERROR: '~mktcoin' user or team does not exist.
Code:
sudo apt-get install libdb4.8-dev libdb4.8++-dev Reading package lists... Done Building dependency tree Reading state information... Done Package libdb4.8++-dev is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source
Package libdb4.8-dev is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source
E: Package 'libdb4.8-dev' has no installation candidate E: Package 'libdb4.8++-dev' has no installation candidate