Due to the recent updates we were performing in our client’s infrastructure, we had to adjust the instance size, so we also upgraded from the older instance type to the…
Category: Linux
Have you noticed such a message recently? It is letting you know that snap is unable to update a particular application – in my case – snap-store. The behavior of…
Yes, I know that there is the documentation for this, but I found it not clear enough on the Volume Extend topic. What I wanted to do was to change…
After a recent upgrade of ColdFusion 2016 to ColdFusion 2021 on one of the Linux servers, we noticed strange behavior. The CFHTTP call was sometimes working fine, and sometimes it…
We’ve got a handful of “old” AWS EC2 instances, running small t2.micro, t2.nano, and t2.small instances. From time to time we have to change the instance type to a larger…
I have to prepare several Raspberry Pi boards for some of our small projects. We have a bunch of SD cards we can use. I want to determine which one…
Some of our old CMS systems are returning 403 and 404 codes when the site is attacked with various payloads. The application firewall responds on a deeper level (the application…
While moving old websites to the new webservers, we frequently need to update files on the new server. Here is the story: the new server is prepared, the site is…
I want to share with you one of the useful oneliners I’m using to find recently updated files on our Linux machines. Let’s start simple: What do we have here?…
This is rather a specific situation, but I thought that it can be useful to share our expertise since someone else can have the same problem too. In one of…