> >> On Tue, Nov 24, 2015 at 11:01 PM, Richard wrote: > Date: Tuesday, November 24, 2015 22:48:30 +0800 > From: Siva Prasad Nath <shivaprasadnath21 at gmail.com> > To: CentOS mailing list <centos at centos.org>, centos-devel at centos.org > Subject: [CentOS] Unit networkmanager.service not loaded > > systemctl stop networkmanager returns Unit > networkmanager.service not loaded > >> >> Hint -- try the: >> >> systemctl list-units | grep ... >> >> concept that you used previously and see what output you get. >> [sub-hint -- the *nix world is case sensitive.] >> >> This is a user (understanding) issue -- why are you including the >> "-devel" list? Don't. >> >> >>> Date: Tuesday, November 24, 2015 23:19:53 +0800 >>> From: Siva Prasad Nath <shivaprasadnath21 at gmail.com> >>> >>> I can see below in development server >>> network.service >>> loaded active exited LSB: Bring up/down >>> networking NetworkManager.service >>> loaded active running Network Manager >>> >>> But not able to see in production. >>> >>> >>> Shiva Prasad Nath Well then, you need to figure out what you did differently in setting up these two environments. This is something specific to your process and procedures (or hardware/environment). There's not much that we can help you with as you haven't provided any details. Please do not top post on this list.