Articles posted on 2024

Locking down SFTP

This is a small recipe to increase the security around a SFTP interface. In the /etc/ssh/sshd_config file include the following settings: Subsystem sftp internal-sftp This configures the sftp subsystem to use the internal sftp implementation. This is because inside the chroot, we usually will not have the normal ...

Python GUI

After looking a multiple options of GUI programming under python I eventually settled for tkinter. The main reason was that tkinter is very ubiquitous and initially though the learning curve wuld have shorter as I was very used to GUI programming using TCL/TK. Turned out that what I known TCL/TK did not translate ...

cisco bridging

This article is here as a reminder. So, for testing, I needed to configure a Cisco CSR1000V virtual router as a bridge. So I used a version 16 Cisco IOS XE image. To make my life easier I used the "wizard" that runs the first time to automatically configure bridgning. Ironically, this created an invalid ...