Install libconfig-model-approx-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libconfig-model-approx-perl
Description:
Approx proxy server configuration editor
Config::Model::Approx Perl module provides a configuration checker and editor for /etc/approx/approx.conf. . When libconfig-model-tkui-perl is installed, running 'cme edit approx' will launch a graphical configuration editor for Approx configuration file. . cme can also be run to check configuration (cme check approx) or migrate older configurations without user interaction (cme migrate approx)
Homepage: https://metacpan.org/release/Config-Model-Approx
Version: 1.010-1
Section: universe/perl