Category: Linux

The blog post provides a method to forcefully specify and install AWS CLI version 1 when attempting to install using the command `sudo snap aws-cli`, which by default installs version 2.

In a Bash loop where you `sleep` between iterations, skip the sleep on the very first iteration — a small `first` flag pattern.

When trying to use the `docker run` command with SSH arguments and encountering the message "ssh docker run the input device is not a TTY," you can resolve the issue by adding the `-t` option to the SSH command.

Inspect `django-redis` cached values directly from `manage.py shell` — both `cache.get` and the raw Redis client commands.

Depending on the use case, this serves as a personal memo. Ubuntu.

On Ubuntu 14.04, Selenium ChromeDriver exits with status 127 when `libgconf-2.so.4` is missing. Run `sudo apt install libgconf2-4` to fix it.

This is a guide on how to install ChromeDriver on Ubuntu.

Trying to run Selenium on Ubuntu from Python

On Ubuntu,

Fix Django CSRF token failure on an AWS ELB → Apache2 → uWSGI stack. The pitfall is the HTTP/HTTPS scheme detection when switching from mod_wsgi to uWSGI.

Install MySQL 5.6 on Ubuntu Linux 14.10 (which only ships with newer versions) via the `mysql-apt-config` package — step-by-step.

As I wrote in this article http://b.ytyng.com/a-61/, when you make an HTTPS connection with OpenSSL 1.0.1f and attempt to connect using TLS1.2 by issuing a hello, certain sites may freeze in response.

When attempting to communicate using TLS1.2 with a specific web server and OpenSSL versions 1.0.1a to 1.0.1f, OpenSSL may freeze.

Strip a trailing slash from a Bash variable with the parameter expansion `${var%/}`. Useful for normalizing paths from arguments or env vars.

I tried to install Redmine on Cent OS 5.9.

I was thinking of creating an internal information sharing service using a Wiki. However, considering that non-developers would also be using it, I thought it would be best to have one with a WYSIWYG editor.

Ubuntu 11.04