Showing posts from February, 2023

Digital Marketing

Set up Linux DNS suffix search list

sudo vim /etc/resolv.conf search ca-central-1.compute.internal search nameserver options timeout:2 attempts:5

How To Use Aws S3 Cp Wildcards To Copy Files In AWS CLI

If you don't use exclude and/or include, you might encounter:  Unknown options error. The following works: aws s3 cp . s3://your-s3-bucket --recursive --exclude "*" --include "*.rpm"

How to Solve Postfix Error Message fatal: unable to use my own hostname

sudo hostname sudo systemctl restart postfix