Run these commands to install cert snap install core snap refresh core snap install –classic certbot ln -s /snap/bin/certbot /usr/bin/certbot snap set certbot trust-plugin-with-root=ok # make sure firewall port 80 is unblocked and no other software is running on port 80 already certbot certonly –standalone # verify certbot timer exists to renew certificate systemctl list-timers […]
Continue reading →I just had to reset the password on a modern Windows 8 laptop and learned the following things. First, to recogize the USB device I had to turn off Fast Boot mode in the BIOS. Then I had to turn off secure boot and choose CSM mode instead of UEFI so it would boot the […]
Continue reading →Since version 18 Firefox now disables older versions of the Java plugin and the user has to click on the applet or the red brick icon in the address bar, then click Activate to make the plugin load. This is a good thing, but it can be annoying. Even though you may have the latest […]
Continue reading →You could just link to catalina.sh and get the basic stop/start functionality working but it has some drawbacks: Sometimes tomcat doesn’t stop gracefully and you have to reach for ps, grep and kill You have to sometimes pass in some configuration options to Tomcat to enable JMX, increase the max memory it can use, etc. […]
Continue reading →I was getting the following error in my log file and I couldn’t connect to my imap server using Thunderbird. Mar 1 13:35:19 ltps imapd[12525]: imap service init from 192.168.1.42 Mar 1 13:35:19 ltps imapd[12525]: Unable to accept SSL connection, host=dave [192.168.1.42] Mar 1 13:35:19 ltps imapd[12525]: SSL error status: error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number It […]
Continue reading →Sometimes during development Tomcat will stop responding and won’t gracefully shutdown. I then have to figure out which java process is Tomcat and kill it. Usually the easiest way is to find out which process is using the port Tomcat is running on. Here is a powershell script that finds all processes running on port […]
Continue reading →I could not figure out how to get this to work. I think it’s because I didn’t understand that the $ signs were being used to call a macro. I would like to document this in detail here for others in case you’re in the same boat. Here is the command I’m using. define command{ […]
Continue reading →I would like to start hacking on these remotes. They are universal programmable remotes with Wi-Fi, a USB connector, a color screen, a built-in simple web browser and they run on Windows Mobile. One of the features I really liked on my ESPN Remote is the ability to view TV listings on the small screen, […]
Continue reading →I’ve always thought that if you specify multiple A records with the same host name in your DNS settings it will only serve to balance the load of your site across these IP addresses. This is done by your operating system randomly choosing one IP from the list and remembering it for a set period […]
Continue reading →I recently had to complete a migration from SugarCRM to SalesForce and I wanted to share some of my experience here in hopes that you’ll find it useful. These instructions are pretty technical. If you have trouble understanding them then you’re not the right person for the task. Find someone that has experience working with […]
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