A Technical I.T./DevOps Blog
Problem scenario
You have a small AWS server (e.g., t2.nano with 0.5 GB of RAM) running Ubuntu. How do you install Nagios on it?
Solution
1. As root or a sudoer user, run a script with the following content (sudo bash /tmp/install.sh):
# Written by continualintegration.com
#This script installs Nagios. There is some interactive portion at the beginning.
# But it should be easy to install Nagios using the following.
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Spiceworks, Solar Winds, and Cacti are all well-known effective network monitoring tools. A lesser known company called Lizard Systems has quality software for network monitoring. Techworld.com and PCworld have favorable reviews of Lizard Systems’ Network Scanner. The Find Mac Address product has an easy installation and can find MAC addresses without network administrator rights to a given router. For an alternative to Nagios or Sysinternals,
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Update 11/22/17
Problem scenario
You want to use CloudWatch. What steps do you need to take initially to have it work on a Linux server?
Solution
Prerequisites
Prerequisite #1 The server must be an EC-2 instance (not a non-AWS server) with AWS CLI installed (but not necessarily configured). For directions on installing AWS CLI, see this link.
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Continue reading “How Do You Set up (Install and Configure) AWS CloudWatch?”
Problem scenario: On some servers you try this command: “apt-get -y install sar”, but this command does not work. On some servers with sar installed, you get an error when you run “sar”. The error says “Cannot open /var/log/sysstat/sa25: No such file or directory.”
Background: The sar utility comes from the acronym for system activity report. It is useful in performance tuning situations.
Solution: If you type “man sar” and get a man page,
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