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Explore Stack InternalI eventually discovered the culprit was AppArmor. I tested this by disabling it completely, but eventually decided just to disable the Firefox profile, using instructions here.
sudo ln -s /etc/apparmor.d/usr.bin.firefox /etc/apparmor.d/disable/ sudo apparmor_parser -R /etc/apparmor.d/disable/usr.bin.firefox You may need to reboot for this to take effect.
I eventually discovered the culprit was AppArmor. I tested this by disabling it completely, but eventually decided just to disable the Firefox profile, using instructions here.
sudo ln -s /etc/apparmor.d/usr.bin.firefox /etc/apparmor.d/disable/ sudo apparmor_parser -R /etc/apparmor.d/disable/usr.bin.firefox I eventually discovered the culprit was AppArmor. I tested this by disabling it completely, but eventually decided just to disable the Firefox profile, using instructions here.
sudo ln -s /etc/apparmor.d/usr.bin.firefox /etc/apparmor.d/disable/ sudo apparmor_parser -R /etc/apparmor.d/disable/usr.bin.firefox You may need to reboot for this to take effect.
I eventually discovered the culprit iswas AppArmor. I tested this by disabling it completely, but eventually decided just to disable the Firefox profile, using instructions herehere.
sudo ln -s /etc/apparmor.d/usr.bin.firefox /etc/apparmor.d/disable/ sudo apparmor_parser -R /etc/apparmor.d/disable/usr.bin.firefox I eventually discovered the culprit is AppArmor. I tested this by disabling it completely, but eventually decided just to disable the Firefox profile, using instructions here.
I eventually discovered the culprit was AppArmor. I tested this by disabling it completely, but eventually decided just to disable the Firefox profile, using instructions here.
sudo ln -s /etc/apparmor.d/usr.bin.firefox /etc/apparmor.d/disable/ sudo apparmor_parser -R /etc/apparmor.d/disable/usr.bin.firefox