MOOC: ChatGPT Prompt Engineering for Developers

This short course provides a few basic techniques for using LLM. Here are my notes:

HowTo: Setup GWT remote logging

I find the official documentation on remote logging wasn’t complete. Here are my notes based on various web sites I visited (here, here, and here). Hope this helps! App.gwt.xml You should add the inherits statement below. You should be able to adjust the log level to any of the following: ALL, FINEST, FINER, FINE, CONFIG, INFO, […]

Revisiting SSH Tunneling Tricks

SSH tunneling is so useful that I find myself revisiting it again. This post helped me to get started. I would add the -f option to run the command in the background. 5126 is the port I use on my own machine once the tunnel is established. ssh -f -N -L 5126:TARGET_SERVER:22 USER@GATEWAY_SERVER Once the […]

Listing files excluding certain names

I need to list all files in a directory tree excluding files with certain text in its names. This thread helped me to create something similar: find . -type f |grep -v ‘/[.svn-base]’ –

Call Forwarding

I need to forward a call to a different number when the cell phone is unattended or has no signal. This inquiry led me to the following instructions. It worked beautifully! 🙂

Cloning a disk

Today I tried to use Parted Magic to clone a disk. At first, I used Clonezillathat came with Parted Magic. It failed on the last partition, which was a lvm2 pv partition. Next, I tried dd command with basic options, i.e. dd if=/dev/sda of=/dev/sdb That returned with an IO error. Then I used ddrescue, also bundled […]

Migrate a folder from one Subversion server to another

I needed to migrate a folder from one Subversion server to another. So, I attempted to follow this page to use dump with svndumpfilter. This combo led me to a lot of issues. The dump command exports all the commits for a repository while svndumpfilter attempts to filter the folder I am interested to keep. Unfortunately, […]

Start a server software at system boot time

I needed to start svnserve at boot time as a particular user on Red Hat Enterprise Linux. After looking at this and this posts, I came up with the following: /etc/rc.d/rc.local su svn -c “svnserve -d” This effectively runs svnserve in daemon mode as svn user after all other init scripts ran at boot time.

Connect to Exchange with Evolution

I find this howto very useful on accessing both Exchange email and calendar from a linux machine. Very happy! 🙂

SVN::Notify

After setting up an instance of SVN using the instructions I found here. I wanted to setup email notification for every commit on a SVN server. I was able to setup SVN::Notify using the tutorial on this page. When attempting to run perl -MCPAN -e ‘install SVN::Notify’, the install command complained that MakeMaker version is […]

Dave's Blogs

bits and pieces of information from Dave's daily life

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