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First of all, the problem is that you are stuck at the boot sequencing. The boot sequencing method is decided during installation or upgrades.If there is no loops in the dependencies declared by the LSB headers of all installed init.d scripts and no obsolete scripts, the system is converted to dependency based boot sequence. We have to check for ...


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When creating the user with useradd use the option -s -s, --shell SHELL The name of the user's login shell. The default is to leave this field blank, which causes the system to select the default login shell specified by the SHELL variable in /etc/default/useradd, or an empty string by default. Give it the value /sbin/nologin. This will prevent ...


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The solution to your problem with Ubuntu version 14.04: Upgrade to 16.04 http://releases.ubuntu.com/16.04/


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Edit /etc/cups/cups-files.conf as root. Look for the line with SystemGroup sys root add wheel to it. The following two liner should do it for you on Fedora 24 sudo sed -i '/SystemGroup sys root$/ s/$/ wheel/' /etc/cups/cups-files.conf sudo systemctl restart cups


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The solution is sudo usermod -a -G sys YourUser I wrote a more detailed article on how to debug such issues.


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I found a way to debug this problem. Cups runs lpinfo -m to get a list of printer drivers, and this runs scripts in /usr/lib/cups/driver, and one of these is causing problems. By removing all scripts and adding them one by one you can determine which script is causing the problems. Move all the scripts to a subdirectory, so that they are ignored. cd /usr/...



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