Category Archives: Troubleshooting

Mailx: /usr/lib/sendmail: No such file or directory

By | August 30, 2016

Symptom Trying to send mail through mailx, echo “Testing mailx” | mailx -s “Testing 1 2 3” yields the following error: /usr/lib/sendmail: No such file or directory “/home/username/dead.letter” 9/261 . . . message not sent. Possible Cause Name of mailx configuration file is set incorrectly. Solution Rename mailx configuration file from /etc/mail.rc to /etc/nail.rc… Read More »

Contact Form 7 Cannot Send Emails from DigitalOcean Server

By | April 3, 2016

“Failed to send your message. Please try later or contact the administrator by another method.” Are you seeing the above error when trying to send a message via the Contact Form 7 plugin for WordPress? The Contact Form 7 plugin sends email using a mail server installed on your DigitalOcean server. If no mail server… Read More »

Cinnamon Crashes after Replacing Video Card

By | January 21, 2016

Symptom: After removing an AMD graphics card (to use onboard integrated graphics), Cinnamon crashes repeatedly after logging in. Cause: Cinnamon may still be referencing the old video drivers. Solution: Uninstall the proprietary AMD graphic card drivers. Troubleshooting Steps: List installed AMD packages -> dpkg -l *fglrx* Remove the installed AMD packages and drivers with sudo… Read More »

Apt – Unmet Dependencies and Root at 99%

By | January 1, 2016

Symptom: When attempting to install a new package using apt, an error message regarding unmet dependencies is displayed and suggests using apt-get -f install to fix the problem. However, sudo apt-get -f install throws an error about no disk space. Cause: Updates have failed due to low disk space and resulted in dependency problems. Solution:… Read More »

Firefox Sometimes Crashes when Loading Google Maps

By | December 13, 2015

Symptom: Opening a new tab in Firefox and going to sometimes results in Firefox crashing. Firefox version: 42.0 OS: Linux Mint 17.2 Graphics card: AMD Radeon 7870 Graphics Driver: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1 (AMD/ATI display driver wrapper) Other symptoms: Sometimes small sections of text in Firefox are unreadable (blotched) until scrolling it off and back on… Read More »

Ubuntu Server Time Incorrect

By | November 25, 2015

Symptom: Ubuntu Server edition generates incorrect timestamps. For example, when issuing the date command or using the date() function in PHP. Cause: The server isn’t properly synchronized to an NTP (Network Time Protocol) server. Solution: Install an NTP time server sudo apt-get install ntp Troubleshooting Steps: Installed NTP server with sudo apt-get install ntp Tried… Read More »

Nexus 4 Battery Drains Quickly after Full Charge

By | November 22, 2015

Symptom: Nexus 4 battery drains very quickly after a full charge. Cause: Uncertain. Solution: See toubleshooting steps. Troubleshooting Steps: Checked battery usage. No particular app using too much power. Bluetooth disabled Screen brightness set to automatic. Under WIFI -> Advanced Disabled “scanning always available” Disabled “keep WIFI on during sleep” Uninstalled unused applications

Mint 17.2 Wakes Up a Few Seconds After Suspending

By | November 21, 2015

Symptom: After selecting “Suspend” from the session dialog, the computer goes to sleep and wakes up on its own a few seconds later. Cause: Probably cause it network adapter hardware, driver or firmware. Solution: Uncertain. Troubleshooting Steps: Unplugged USB mouse, keyboard and network cable Restarted PC Checked system log -> does not indicate what woke… Read More »

The Uploaded File Could not be Moved to wp-content

By | October 13, 2015

Symptom: When attempting to add media to a WordPress post, the image is rejected and the following error message appears: Cause: The WordPress uploads directory (typically located at /var/www/html/wordpress/wp-content/uploads) on the web server does not have write permission enabled and/or the web user (likely www-data) is not a member of the group which the uploads… Read More »