Raspberry Pi USB Boot Mode
About Boot Mode The Raspberry Pi 3 can now be booted from a compatible USB drive. It works pretty well, but there are no noticeable differences in speed between a good SD card and a good USB drive. Primarily, cost…
Tag Errors-Troubleshooting
Raspbian Jessie – Dig not found
While updating my RPi for a Cloudflare auto-ip-updater script, I ran into an issue where the dig command couldn’t be found. Also, the dnsutils package containing dig was not in the Raspbian repository. So, you can easily replace the dnsutils…
WordFence New Functions and Errors
While trying to troubleshoot some JetPack issues today, I ran into a new WordFence issue. A couple, actually. Here are the problems and the solutions: WordFence does not cache WordPress anymore. They removed the Falcon cache. Use CloudFlare instead! Source…
Troubleshooting OMV/Pi – No /home/usr directory
While working on my Raspberry Pi, I got this error after SSHing in: Could not chdir to home directory : No such file or directory The benefit of a home directory is that commands are logged, so that the next time…
Troubleshooting OMV/Pi – Mounting and Renaming Drives
The Raspberry Pi 2 (and 3) apparently has a problem with mounting USB drives at boot. This is probably due to the slow spin-up speed of HDD-based externals and the relatively fast boot of the Pi. How to fix a…
Ubuntu Upgrade and Box.com Sync
A mounted Box.com drive and duply are a good combination for backup data to a remote location. Duply allows for encrypted backups, and the encryption also helps to prevent bit rot. A remote drive is useful for keeping cloud-based servers…
Fail2Ban and PostFix Mail.Warn Error
I keep getting a weird error where Fail2Ban refuses to start due to a bad log location. It looks like this: fail2ban-client[##]: ERROR No file(s) found for glob Looking at /var/log/, there are no mail.warn logs. PostFix only logs to…
Troubleshooting PostFix Message Size Too Big
I finally got around to reading my PostFix logs, and I found a few big errors. One of them was fatal: address(##): message file too big The problem is probably in these two settings in the PostFix main config: message_size_limit and mailbox_size_limit…
WordPress and Special Characters
Starting from yesterday, I had a terrible time trying to figure out what was wrong with WordPress. I couldn’t login as my usual user, which uses a special character in the username. Actually, I got blocked by WordFence because it…
Resolving the “iTunes cannot read the contents of the iPhone” Error
Sometimes iTunes will throw an error saying “iTunes cannot read the contents of the iPhone”. This can be an extremely frustrating error, especially since iTunes will want to restore a device, deleting all the new media and settings since the…