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SSH

Putty error "PuTTY key format too new"

  • Ahmed Aboulnaga

Ahmed Aboulnaga

Dec 18, 2023 • 1 min read

I recently received a "PuTTY key format too new" error when trying to SSH into one of my cloud VMs.

Simply download the latest version of Putty from https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html and you should be good to go.

Oracle Database and Windows.

Oracle Database and Windows.

Oracle Database on Windows always marches to its own drums. And most of the time, you should tag along because some of your Unix/Linux experiences are not applicable. Let's talk about password files.
Jun 10, 2025 1 min read
Ansible: Eliminating Compatibility Gaps

Ansible: Eliminating Compatibility Gaps

A few weeks ago, I posted a piece on a similar compatibility issue, where the issue was functional impairment. Now, I have to solve the backward compatibility problem when the module exists in both environments but is missing some operators in earlier releases.
Apr 22, 2025 2 min read
WebLogic: Identity Federation and Certificates

WebLogic: Identity Federation and Certificates

A recent system upgrade turned my whole day into a hide-and-seek playground. After the WebLogic domain migration, everything worked and looked healthy except the primary application. Accessing it results in a 5xx server error without any plain reason. The most reasonable explanation is that something is wrong with the WebLogic
Apr 10, 2025 3 min read
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