fingerprints of keys to select from these keyrings. The recommended locations for keyrings are /usr/share/keyrings ... keyrings managed by packages, and /etc/apt/keyrings for keyri…management DESCRIPTION /proc/keys (since Linux 2.6.10) See keyrings (7). /proc/key-users (since Linux 2.6.10) See keyringsmanagement DESCRIPTION /proc/keys (since Linux 2.6.10) See keyrings (7). /proc/key-users (since Linux 2.6.10) See keyringsmanagement facility. These files are described in keyrings (7). /proc/sys/kernel/kptr_restrict (since Linux 2.6.38) The value