Times are changing in the IT world: the most popular monitoring stacks now consist of about six to eight tools, and generally include at least one from each of the following, plus other specialized or custom tools: an open source monitoring tool (Nagios, Zabbix, or Icinga) combined with an APM tool (New Relic, AppDynamics, or Dynatrace), an error detection tool like Sentry, and a log analytics tool (Splunk or Logstash).
Apache Tune Up
I was able to do about 4K concurrent connections with this setup.
Using Centos 6.7 64bit Apache httpd-2.2.15-47.el6.centos.x86_64
a Virtual Machine 4x CPU’s and 4GBs of memory, I have 2 disks, one for /var and other for the rest.
This is a bash script made to work with nagios and to automaticly check Amazon AWS status
based on the RSS from http://status.aws.amazon.com/
I did find something similar in Ruby
I tried to keep it simple as possible…
How to mount xfs
#Find the new disk
#Create the partition ( n,1,w)
S3 is a great place to keep logs data or even backups.
Monthly Basic cost:
S3 U$ 0.02 p/ GB (with Reduce Redundancy).
Glacier only U$ 0.01 p/ GB
Amazon Leadership Principles aren’t just a pretty inspirational wall hanging. These Principles work hard. Amazonians use them, every day, whether they’re discussing ideas for new projects, deciding on the best solution for a customer’s problem, or interviewing candidates. It’s just one of the things that makes Amazon peculiar.
How about if you need to delete large quantities of files inside a S3 bucket.
In my case it was about 5 millions files.
Using a python script.
Script to set cache control header to a large S3 bucket
Best let it run on the background. do
nohup /root/set_cache.sh > /root/set_cache.log &
This is a robust script that backups all instances that have a TAG, Backup=TRUE
it generates a AMI images, and snapshots of each Volume, also a nice e-mail with a HTML table nice format.