Observium – Rename existing devices

In case you have a lot of devices monitored by observium and for a reason (a hypervisor migration maybe?) you need to change servers’ hostnames, observium, at the time being,…In case you have a lot of devices monitored by observium and for a reason (a hypervisor migration maybe?) you need to change servers’ hostnames, observium, […]

Fix nethogs ‘creating socket failed while establishing local IP’

As it’s not available in repo nor PPA you need to build it (it is really easy and quickly done). Fetch and extract

Install dependencies and build

Check…As it’s not available in repo nor PPA you need to build it (it is really easy and quickly done). Fetch and extract

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Install dependencies […]

syslog server

Setup central syslog server on raspberry pi 2 (and other debian based distros)

Central log server using rsyslog is an asset of your sysadmin life! It may get you on the surface on really critical failures when you manage xyz number of servers…Central log server using rsyslog is an asset of your sysadmin life! It may get you on the surface on really critical failures when you manage […]

Cacti installation for monitoring servers and routers

This is done with Ubuntu 12.04 Precise, but, it may be done with othe distros too. First install the required packages:

Go to /var/www/ download cacti, unpack it and…This is done with Ubuntu 12.04 Precise, but, it may be done with othe distros too. First install the required packages:

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Go to /var/www/ download […]

Server monitoring – remote monitor a server with GKrellM via ssh tunnel

Hostname/systemname display. Clock/calendar. SMP CPU monitor that can chart individual CPUs and/or a composite CPU. Temperature, fan, and voltage sensor monitors if supported by the kernel and the…

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Hostname/systemname display. Clock/calendar. SMP CPU monitor that can chart individual CPUs and/or a composite CPU. Temperature, fan, and voltage sensor monitors if supported by […]