pi@PiHole:~ $ sudo apt install nmap
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
realpath vlc-plugin-notify vlc-plugin-samba vlc-plugin-video-splitter
vlc-plugin-visualization
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
liblinear3 liblua5.3-0 libpcap0.8 ndiff python-bs4 python-html5lib
python-lxml python-webencodings
Suggested packages:
liblinear-tools liblinear-dev python-genshi python-lxml-dbg python-lxml-doc
The following NEW packages will be installed:
liblinear3 liblua5.3-0 libpcap0.8 ndiff nmap python-bs4 python-html5lib
python-lxml python-webencodings
0 upgraded, 9 newly installed, 0 to remove and 19 not upgraded.
Need to get 6,565 kB of archives.
After this operation, 28.0 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Err:1 http://raspbian.raspberrypi.org/raspbian stretch/main armhf liblinear3 armhf 2.1.0+dfsg-2
Temporary failure resolving 'raspbian.raspberrypi.org'
0% [Connecting to raspbian.raspberrypi.org]