I get this error when trying to use
E: Could not get lock /var/lib/dpkg/lock - open (11 Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?
How can I fix this?
This should be used as last resort. If you use this carelessly you can end up with a broken system. Please try the other answers first before doing this.
You can delete the lock file with the following command:
sudo rm /var/lib/apt/lists/lock
You may also need to delete the lock file in the cache directory
sudo rm /var/cache/apt/archives/lock sudo rm /var/lib/dpkg/lock
After that, try opening Synaptic again.
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