Setting AWS Cloudwatch alarms
aws cloudwatch put-metric-alarm --alarm-name "application-name-cpu"
--metric-name CPUUtilization --namespace AWS/EC2 --statistic Average
Engineering👨💻
All about engineering - philosophy, opinions, best practices, approaches, tutorials. No code, mostly.
Debugging Disk space
To find top 10 files eating up disk space
-- du -kh
nginx ELB dns refresh
If you're proxying from nginx to an ELB endpoint, either CNAME or
Linux file permissions in a nutshell
Every file and directory in linux have their own permissions. They decide
Quick reference links for programmers
Generic
1. What is Recursion [http://stackoverflow.com/a/717839/3834860]
2.
Change username of a debian user
Ensure that there's no process running by the user you're modifying.
ps
I want to be Software Engineer
These are the steps I recommend, to be an engineer worth of
Using ssh from bash, windows
Windows uses putty for generating public key and private key wherever an
Migrating to S3 from ec2
Static websites can be hosted on AWS S3 for a stable platform.
ssh key for lifetime
Hardware failures aren't uncommon. Your system will crash.
According to Murphy's law
Writing init.d scripts
Writing init.d script:
1. The following section contains all the init
Linux Startup process
Here's a quick no nonsense guide to how linux boots up.
* When