Category: Technology

PuttyGen: Putty Key vs OpenSSH Key

At work, I use windows machines. Recently I generated a key-pair using PuttyGen in Windows, it worked fine when I connected to my remote server using Putty (Of course with my public key stored on the remote server first). However I got troubled when was trying to use this same private key I obtained from PuttyGen with ssh command from… Read more →

Linux Command Line Configuration Cheat Sheet

Following is a list of parameters that you can put in .bash_profile to config your terminal (Note: some might only apply to cygwin)

And here is some options you can use to go in the .bashrc to custome your terminal as well (Note: some might only apply to cygwin)

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Java – SecurityException – signer information does not match signer information of other classes in the same package

Today I want to talk about a java exception, SecurityException, I encountered. I build my project via command line using maven, and I encountered this exception: java.lang.SecurityException: [YourClassGoesHere]’s class signer information does not match signer information of other classes in the same package Here is my situation: I am merging my code into an existing project, which was managed/developed by… Read more →

Fujitsu RLS3/RLS3H Wi-Fi Connection

One of the current Fujitsu newest model RLS3/RLS3H has a neat feature that allow you to use a phone app called “FGLair” to control your air conditioner remotely. That includes remotely anywhere in the world given your phone has Wi-Fi connections. Today I have tried to download the Android app and tried to connect my RLS3 to my router. And… Read more →

Freeze Rows, Columns or Pane in Excel 2016

When you’re working with a lot of data, it can be difficult to compare one or more rows with others that are towards the bottom of the workbook. MS Excel freeze panes feature solves this problem by letting you lock specific rows so they’re always visible when you scroll. Here’s how to do that in Excel 2016. There are two… Read more →