Unable to fetch some archives, maybe run apt-get update try with –fix-missing?

When I install the zabbix agent then some error like as below. In this guide for removing update error very quickly.

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Unable to fetch some archives, maybe run apt-get update or try with –fix-missing

root@ubuntu_client:~# apt-get install zabbix-agent

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  zabbix-agent
0 upgraded, 1 newly installed, 0 to remove and 38 not upgraded.
Need to get 184 kB of archives.
After this operation, 798 kB of additional disk space will be used.
Err:1 http://us.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 zabbix-agent amd64 1:2.4.7+dfsg-2ubuntu2.1

Step #01: Can’t resolve dns mane server on your machine.

Solution: Edit resolve.conf file and insert google public dns.

root@ubuntu_client:~# vi /etc/resolv.conf

Insert google public dns nameserver 8.8.8.8 then save it. Now again install zabbix agent.

root@ubuntu_client:~# apt-get install zabbix-agent