Although it may seem like manually executing commands inside Docker containers could be considered as an anti-pattern, actually it might be useful for instance when debugging things in non-production environments. This is done with the docker exec command…

Nodejs doesn’t exist in the default Amazon Linux 2 yum packages. So we should add the node official repo and use it for the installation. Let’s see how to install node js on Amazon Linux 2.

Slim(toolkit): Don't change anything in your container image and minify it by up to 30x (and for compiled languages even more) making it secure too! (free and open source) - slimtoolkit/slim

Disabling Redis persistence in Docker could be a good thing tho, if you are hosting a development environment, running low on disks space and possibly can’t afford to scale. By default, I believe Redis uses the RDB persistence which basically saves a snapshot…

While creating Amazon Linux 2 instance through the AWS console, there is a step that will provide you with the EC2 key pairs to connect to your instance. But if you need to set up some CI/CD or execute some scripts on a remote machine, then you’ll need to…

Upgrade your local installation of Git, especially if you are using Git for Windows, or you use Git on a multi-user machine.

There is a good reason you might stumble upon this post, so let’s see how can we resolve the following pip install some_package command error: ERROR: Could not find a version that satisfies the requirement package_name (from versions: none) ERROR: No matching…

Checking out Git PR’s on your local machine it’s not so uncommon practice, especially if you wanna test things out before they are merged into the main branch or any other branch that could screw your environment easily that you might care of. Let’s see how…

spawn, expect and send commands are usually part of SSH bash scripts. So, I’m going to briefly explain them, starting with expect since the rest of them are part of it.

Let’s take a look at the not so common Docker Compose error: "Configuration error - Version in "./docker-compose.yml" is unsupported. You might be seeing this error because you're using the wrong Compose file version. Either specify a supported version (e.g…

Increasing the website performance and decreasing the server load can be achieved by HSTS. Enabling the HSTS security headers in Nginx will tell the browser to use https instead of http. So let’s see how to enable it.

In one of my previous pip posts I wrote about how to Resolve pip install package_name error: Couldn’t find a version that satisfies the requirement, and today we are going to fix another common pip issue. Getting page https://pypi.python.org/simple/<package_name>/…

If you have been debugging and digging into the Nginx logs, you might have stumbled upon the following notice log message: 2022/03/10 06:04:32 [notice] 31447#31447: using inherited sockets from "6;7;8;9;

Use Azure Managed Grafana to access a variety of data sources supported by Grafana Enterprise. Combine charts, logs, and alerts, and correlate info across multiple datasets.

Personally, the only time I’ve been generating a SHA512 password hashes was when I was working with ansible.builtin.user module, simply because I needed to commit a password hash for a new Linux user. Although I wouldn’t consider it as an optimal solution…

curl-like access to AWS resources with AWS Signature Version 4 request signing. - okigan/awscurl

As far as I know, there are two secure ways (discussable) you could include a password as part of the Ansible user module. Let’s go throught it.

I’ve been an SELinux complexity apologist for years. Lately, I’ve concluded that every implementation with difficult-to-configure policies is just unmanageable.

There might be a case where you need to rename a current branch you are already working on, and I’m gonna show you the least painful way to do so. Now, the most common reason is of course mislabeling it due to a Git naming strategy, which might include a…

There might be a point in your IT career where you need to switch to a Windows OS dev machine whatever you like it not because the CTO decided to put all eggs in the Microsoft Azure basket. Now, the transition from Bash to PowerShell is always a pain the…

Learn how to use Scale-down Mode in Azure Kubernetes Service (AKS).