Category: Linux

Satisfying Email SPF Spam Checks (Emphasis: Gmail)

Posted on by jeff

I ran into an issue where mail from my server/domain ended up in Gmail users’ spam folders and so endeavored to resolve it. I didn’t find anything in my online searching where someone was seeing exactly what I was seeing. This link was helpful for general information around SPF: http://www.openspf.org/FAQ/Common_mistakes For purposes of this documentation, configuration/values … Continue reading “Satisfying Email SPF Spam Checks (Emphasis: Gmail)”

Limiting User to SFTP for Uploading Web Content

Posted on by jeff

I required the following: System user that could upload content to a directory in root web directory (default root: /var/www/html) Limit user from interactive SSH Limit user from other areas of OS Specifically, I am working within the AWS distribution on a hosted EC2 instance. I found posts online that accomplished part of what I … Continue reading “Limiting User to SFTP for Uploading Web Content”

Ubuntu Yielding Noisy Black/White Scans

Posted on by jeff

I did a fresh install of Ubuntu 14.10 today with Cinnamon as a desktop and am pleased with the interface. I noticed something when scanning some documents in lineart mode, though: the resulting images had a ton of noise, noise that I did not see in scans prior to my upgrade. After snooping around the … Continue reading “Ubuntu Yielding Noisy Black/White Scans”

Ubuntu and VNC

Posted on by jeff

I seem to occasionally find myself sparring with Ubuntu on getting VNC server configured correctly. I use the default (RealVNC) vncserver package included with Ubuntu. There are two main points of configuration I seem to rediscover each time: Make sure vncserver is looking in the right place for configuration For my setup, the “right” place … Continue reading “Ubuntu and VNC”

Samba and Multiple Concurrent User Names

Posted on by jeff

I discovered today that Samba appears to be uncooperative when trying to connect from a single machine to two or more of its shares using different user names. This is a probably a pretty esoteric problem, I realize, but came into play when I was troubleshooting another user’s account without disconnecting shares mounted under my … Continue reading “Samba and Multiple Concurrent User Names”

Ubuntu and VNC

Posted on by jeff

Ubuntu has been my Linux of choice for sometime now. Currently using Ubuntu 7.10 (Gutsy) with default VNC package. Along the way I have found some issues. Keyboard Malfunction I recently ran into a problem while upgrading distributions. In short, the keyboard mapping was completely messed up when connected over VNC. Typing characters over VNC … Continue reading “Ubuntu and VNC”