chiark / gitweb /
man: no keep-root in pam_systemd anymore
[elogind.git] / man / pam_systemd.xml
index eddd8e003f175d94c471a78993861bf5a9247744..43d239f491223b7905f3b6056bc6a92a1d47f236 100644 (file)
                         </varlistentry>
 
                         <varlistentry>
-                                <term><option>keep-root=</option></term>
+                                <term><option>kill-only-users=</option></term>
 
-                                <listitem><para>Takes a boolean
-                                argument. If true, all processes
-                                created by the root user (UID 0) during his
-                                session and from his session will be
-                                kept around after he logged out. This
-                                option allows cancelling the effect of
-                                <option>kill-session=1</option> and
-                                <option>kill-user=1</option> for the
-                                root user.</para></listitem>
+                                <listitem><para>Takes a comma
+                                separated list of user names or
+                                numeric user ids as argument. If this
+                                option is used the effect of the
+                                <option>kill-session=</option> and
+                                <option>kill-user=</option> options
+                                will apply only to the listed
+                                users. If this option is not used the
+                                option applies to all local
+                                users. Note that
+                                <option>kill-exclude-users=</option>
+                                takes precedence over this list and is
+                                hence subtracted from the list
+                                specified here.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>kill-exclude-users=</option></term>
+
+                                <listitem><para>Takes a comma
+                                separated list of user names or
+                                numeric user ids as argument. Users
+                                listed in this argument will not be
+                                subject to the effect of
+                                <option>kill-session=</option> or
+                                <option>kill-user=</option>.  Note
+                                that that this option takes precedence
+                                over
+                                <option>kill-only-users=</option>, and
+                                hence whatever is listed for
+                                <option>kill-exclude-users=</option>
+                                is guaranteed to never be killed by
+                                this PAM module, independent of any
+                                other configuration
+                                setting.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                                 separated list of cgroup controllers
                                 in which hierarchies a user/session
                                 cgroup will be created by default for
-                                each user logging in. If ommited,
-                                defaults to 'cpu', meaning that in
-                                addition to creating per-user and
-                                per-session cgroups in systemd's own
-                                hierarchy, groups are created in the
-                                'cpu' hierarchy, on order to ensure
-                                that every use and every sessions gets
-                                an equal amount of CPU time,
-                                regardless how many processes a user
-                                or session might
-                                own.</para></listitem>
+                                each user logging in, in addition to
+                                the cgroup in the named 'name=systemd'
+                                hierarchy. If ommited, defaults to an
+                                empty list. This may be used to move
+                                user sessions into their own groups in
+                                the 'cpu' hierarchy which ensures that
+                                every logged in user gets an equal
+                                amount of CPU time regardless how many
+                                processes he has
+                                started.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>reset-controllers=</option></term>
+
+                                <listitem><para>Takes a comma
+                                separated list of cgroup controllers
+                                in which hierarchies the logged in
+                                processes will be reset to the root
+                                cgroup. If ommited, defaults to 'cpu',
+                                meaning that a 'cpu' cgroup grouping
+                                inherited from the login manager will
+                                be reset for the processes of the
+                                logged in user.</para></listitem>
                         </varlistentry>
                 </variablelist>
 
                 <option>create-session=1</option>,
                 <option>kill-session=0</option>,
                 <option>kill-user=0</option>,
-                <option>keep-root=1</option>.</para>
+                <option>reset-controllers=cpu</option>,
+                <option>kill-only-users=</option>,
+                <option>kill-exclude-users=root</option>.</para>
         </refsect1>
 
         <refsect1>