02-17-2020
Quote:
I'm not inclined to install an application which relies on HTTP at the data transport layer to monitor a LAMP application where HTTP and apache2 are at the core of the problem. However, for a different scenario, an HTTP-transport based monitoring system might be "just the ticket".
I'm not sure if you understood it right. Prometheus is getting the Performance data via http, that's correct, but it does not use the installed http-server which is serving normal http requests. That obviously would be senseless for the reason you mentioned.
That data provisioning is done by
exporters which are tiny lightweight webservers running standalone on the target systems. Like the apache exporter(see
here). And well - "lightweight" might be a bit irritating label for a binary with 12 MB size, but as it is
go it is statically compiled that's a bit different from a normal dynamically linked executable.
The apache exporter fetches data from apache status module and listens on port 9117 by default.
Last edited by stomp; 02-17-2020 at 12:56 PM..
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LEARN ABOUT REDHAT
nwfsctrl
NWFSCTRL(1) nwfsctrl NWFSCTRL(1)
NAME
nwfsctrl - Perform server command
SYNOPSIS
nwfsctrl [ -h ] [ -S server ] [ -U user name ] [ -P password | -n ] [ -C ] [ -p ncpfs path ] -c | -o | -[f]d
nwfsctrl [ -h ] [ -S server ] [ -U user name ] [ -P password | -n ] [ -C ] [ -p ncpfs path ] server command
DESCRIPTION
nwfsctrl performs command on server.
OPTIONS
-h
With -h nwfsctrl prints a little help text.
-S server
is the name of the server you want to use.
-U user
user is the user name to use for login. To set the server's time, you need supervisor privileges.
-P password
password is the password to use for login. If neither -n nor -P are given, and the user has no open connection to the server, nwfstime
prompts for a password.
-n
-n should be given if no password is required for the login. As you need supervisor privileges for setting the date and time, this
option is probably not used very often.
-C
By default, passwords are converted to uppercase before they are sent to the server, because most servers require this. You can turn off
this conversion by -C.
-o
Open bindery.
-c
Close bindery.
-d
Down fileserver. This command will complain if there are open files on server.
-fd
Down fileserver, regardless of opened files.
load module options...
Load module module with options options... on server. Program will complain if module is already loaded.
unload module
Unload module module from server. Program will complain if module is not loaded.
mount volume
Mount volume volume.
dismount volume
Dismount volume volume. If there are open files on volume, server displays prompt on console. You must go to the server (or telnet/xcon-
sole) and hit Y or N to get beyond this point).
set variable = value
Set server settable variable variable to value value.
open bindery
Open bindery.
close bindery
Close bindery.
enable login
Enable login to file server.
disable login
Disable login to file server.
disable tts
Disable TTS. This probably does not work on Netware 4.11.
enable tts
Enable TTS. This probably does not work on Netware 4.11.
BUGS
Other commands are not written yet (volume, clear connection ...)
CREDITS
This utility was created by Petr Vandrovec (vandrove@vc.cvut.cz) and is part of ncpfs since 2.2.0.11.
nwfsctrl 2/12/1999 NWFSCTRL(1)