Whilst completing my studies for the JNCIA-Junos exam I was trying various configuration on my SRX110 and decided to expose it to the internet as my LAN 'DMZ host', after a little while I noticed the log filling up with messages like these: Feb 14 11:24:24 2018 CS7-SRX01 sshd: SSHD_LOGIN_FAILED: Login failed for user 'root'... Continue Reading →
The source file has grown by some 53 lines so what have we gained: A more colourful palette, the values of which are pre-computed for each possible iteration value: palette = new int[MAX_ITER]; for (int i = 0; i<palette.length; i++) palette[i] = java.awt.Color.HSBtoRGB(i/256f, 1, i/(i+8f)); The ability to zoom in and out of the set... Continue Reading →
Being a Java luddite who still defaults to Swing I thought it was time to learn something new. Here's a set of tutorials combing JavaFX with the GUI favourite the Mandelbrot fractal. I won't dwell on the function f(z)=z2 +C other than to say the JDK doesn't support Complex numbers, so the initial method looks... Continue Reading →
Python script combining APIC-EM uniq and PSIRT APIs.
Python APIC-EM script for software inventory
During a recent Nexus 5k upgrade task Layer3 features were preventing non-disruptive ISSU’s from taking place. It became apparent that some N5Ks had unused features/ applications installed and the licenses deployed across the estate were unknown. So I wrote a Python APIC-EM script to audit and download this information. The script has the following flow/... Continue Reading →