Ubuntu 22.04 The 'user.max_user_namespaces' kernel parameter should be set to the appropriate value in system configuration and system runtime. Ubuntu 22.04 The kernel 'user.max_user_namespaces' parameter should be set to 0 in the system runtime. user.max_user_namespaces 0 Ubuntu 22.04 The kernel 'user.max_user_namespaces' parameter should be set to 0 in the system configuration. object_static_etc_lib_sysctls_sysctl_user_max_user_namespaces object_static_run_usr_local_sysctls_sysctl_user_max_user_namespaces object_static_etc_sysctls_sysctl_user_max_user_namespaces object_static_sysctl_sysctl_user_max_user_namespaces object_static_etc_sysctld_sysctl_user_max_user_namespaces object_static_usr_local_lib_sysctld_sysctl_user_max_user_namespaces object_static_run_sysctld_sysctl_user_max_user_namespaces /etc(/ufw){0,1}/sysctl.conf$ ^[\s]*user.max_user_namespaces[\s]*=[\s]*(.*\S)[\s]*$ 1 /etc/sysctl.d ^.*\.conf$ ^[\s]*user.max_user_namespaces[\s]*=[\s]*(.*\S)[\s]*$ 1 /run/sysctl.d ^.*\.conf$ ^[\s]*user.max_user_namespaces[\s]*=[\s]*(.*\S)[\s]*$ 1 /usr/local/lib/sysctl.d ^.*\.conf$ ^[\s]*user.max_user_namespaces[\s]*=[\s]*(.*\S)[\s]*$ 1 /usr/lib/sysctl.d ^.*\.conf$ ^[\s]*user.max_user_namespaces[\s]*=[\s]*(.*\S)[\s]*$ 1 0