HTTP Failure & Informational Classes
Responses are grouped in five classes: Informational responses ( 100 – 199 ), Successful responses ( 200 – 299 ), Redirects ( 300 – 399 ), Client errors ( 400 – 499 ), and Server errors ( 500 – 599 ).
Month: July 2020
Trouble Shooting Smoke Alarms
Yep. We’ve probably all run into those “chirpy” little b….s. What do you do when it is not just a battery that needs changing? I’ve had to swap out old smoke alarms at least a couple times in my life and I keep forgetting the secret. So, I’m going to write it down this time. …
Protect your Redshift or PostgreSQL passwords when using psql
Well – 2nd thought (June 2023) this may work but if you are on AWS with Redshift or PostgreSQL AWS Secrets Manager is more secure with a little monthly billing ;-)… as the downside. AWS parameter store will also work and it is free but not much more secure than below – if any. touch …
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Add a webserver fast to an AWS EC2 instance with User Data
!/bin/bash yum update -yyum install -y httpdservice httpd start You will have to update the security group to allow http traffic on port 80 – there is a default for it, and if you choose 0.0.0.0/0
Connecting to mariadb remotely
Apparently for connections to mariadb the users client host needs to be in the create user statement, in the form of: create ‘username’@’your-host.lv.lv.cox.net’ identified by ‘Pass#_22word’; grant all privileges on *.* to ‘username’@’yourhost.lv.lv.cox.net’ with grant option; Not sure if there is an option to turn off this requirement – a form of database whitelisting hosts… …
What Applications Are Listening On What Ports
One good way to find out what applications is listening to which interface and on what port is to use netstat You can do this as root: netstat -tlnp