Debian 8 Jessie update to Debian 9 Stretch and possible errors

At first I was very afraid to do it on a live, working server precisely because with older versions I had a sad experience, where it was easier to reinstall the system than to correct the existing errors. That's why I originally made all the necessary backups. Namely: Folder /var - there I have all the sites. Folder /etc - configs And of... Read more...

The lock file /var/lib/apt/lists/lock could not be accessed

If you get the following error when executing commands with apt-get: E: Unable to access the lock file /var/lib/apt/lists/lock - open (11: Resource is temporarily unavailable) E: Unable to block directory /var/lib/apt/lists/ To get rid of this error, just remove the lock rm /var/lib/apt/lists/lock Such an error occurs if you close... Read more...