Once in awhile sshd will break on your server, maybe after an update and you need to send long lines, maybe a cipher list from one server to another. Typing on console it’s an option […]
netcat – The Mighty One
Category: tech
Puppet, FreeBSD & Self-Signed SSL
aws meta-data
This is mostly a reminder for myself that http://169.254.169.254/latest/meta-data/ on a aws ec2 is really cool because you get get all sort of information with it.
Enable Debug For Shell Scripts
Debugging shell scripts comes handy, especially when unexpected things happen. Trust me, they do. I use two different approaches, based on what’s needed: debug while running it or when ran in the background, maybe by […]
Easily Combine Images On a Mac
Install imagemagick (from MacPorts or Homebrew): port install imagemagick or brew install imagemagick convert +append source_image1.jpg source_image2.jpg source_image2.jpg combined.jpg Voilà! You can combine multiple images not just three. You can also do convert +append * […]
duplicity oauthlib.oauth2.rfc6749.errors.InvalidGrantError
If you are having below error in duplicity probably your token has expired and you need to generate a new one. To generate a new one simply run duplicity and follow the steps, you are […]
Failed To Create Java Virtual Machine – macOS
If you are using macOS and Apache Directory studio there is a chance you’ve met this error message: Below fix should work in most cases. Find out where is your jdk directory then update Info.plist […]
Comparing Ansible and CFEngine
Once in awhile I hear (since the pandemic mostly see on chat) people comparing Ansible and CFengine: this is better, that is better. etc. I use both and like both, I think both have their […]
Linux: Keep That Process Running
For whatever reasons a process can crash. The best is always to find out why and fix it. However, sometimes you can have higher priority tasks and you want that process to be running. With […]
NGINX Headers For Docker
In case you run docker behind nginx some of your container might need specific headers otherwise a browser trying to access them might want to connect to a local or private address, something like https://127.0.0.1:8080. […]