Error During Installation on Ubuntu

Hello Guys,

I am having an issue installing on Ubuntu Server 20.04 the following is what I am getting:

cfadmin@ohnms01:~$ sudo apt install curl composer fping git graphviz imagemagick mariadb-client mariadb-server mtr-tiny nginx-full nmap php7-cli php7.2.5-curl php7.2.5-fpm php7.2.5-gd php7.2.5-json php7.2.5-mbstring php7.2.5-mysql php7.2.5-snmp php7.2.5-xml php7.2.5-zip python-memcache python-mysqldb rrdtool snmp snmpd whois unzip python3-pip
Reading package lists… Done
Building dependency tree
Reading state information… Done
Package python-mysqldb 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 python-memcache 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: Unable to locate package php7-cli
E: Unable to locate package php7.2.5-curl
E: Unable to locate package php7.2.5-fpm
E: Unable to locate package php7.2.5-gd
E: Unable to locate package php7.2.5-json
E: Unable to locate package php7.2.5-mbstring
E: Unable to locate package php7.2.5-mysql
E: Unable to locate package php7.2.5-snmp
E: Unable to locate package php7.2.5-xml
E: Unable to locate package php7.2.5-zip
E: Package ‘python-memcache’ has no installation candidate
E: Package ‘python-mysqldb’ has no installation candidate

Not sure where to go from here any ideas?

Thanks,
Michael

try sudo apt update and try it again.