# Troubleshooting machine issues
# Full system volume
Lab machines becomes unresponsive if system volumes get filled up. Click here to check the size and utilization of your volumes. Your system disk is full if
/dev/vda1 states 100 percent use:
Filesystem Size Used Avail Use% Mounted on /dev/vda1 9.7G 9.7G 0 100% /
# Full data volumes
Data volumes are unable to store data when they fill up. Click here to check the size and utilization of your volumes.
We recommend that you expand your volumes, or compress and/or clean up your data when your volume utilization reach 85% (Use%). Above this threshold it will become increasingly complex to do work and data cleanups.
# Accidentially deleted or overwritten files
It's frustrating to accidentially delete or overwrite data that you care about. For files on
/mnt/archive you have nightly copies stored in 30 days. Click here to see how you can find your restore copies and how your can restore a file.
See our Workbench troubleshooting section.
# Permission denied during installation
You will need to use the
sudo command when you install software with the
sudo apt install <package> command. If forgotten, apt will return an error message like this:
E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)
Rerun your command with sudo. Contact us if this doesn't solve your issue.
See our MATLAB troubleshooting section.
# R and Rstudio
See our Stata troubleshooting section.
# General configuration
# Setting locales failed
In Ubuntu 18.04 and earlier may encounter the
setting locales failed message when updating your packages. Example of such an error message may look like:
During startup - Warning message:Setting LC_CTYPE failed, using "C"
- Check if locale settings are missing
Example of output of missing locale:
LANG= LC_COLLATE="C" LC_CTYPE="UTF-8" LC_MESSAGES="C" LC_MONETARY="C" LC_NUMERIC="C" LC_TIME="C" LC_ALL=
export LANG=en_US.UTF-8 export LC_ALL=en_US.UTF-8
. ~/.bashrcto read from the file.
. ~/.profile . ~/.bashrc
- Open a new terminal window and check that the locales are properly set:
Example of output with locale set:
LANG="en_US.UTF-8" LC_COLLATE="en_US.UTF-8" LC_CTYPE="en_US.UTF-8" LC_MESSAGES="en_US.UTF-8" LC_MONETARY="en_US.UTF-8" LC_NUMERIC="en_US.UTF-8" LC_TIME="en_US.UTF-8" LC_ALL="en_US.UTF-8"