Changeset d3aa932

Timestamp:

09/30/2023 10:30:17 PM (8 months ago)

Author:

Thomas Trepl <thomas@…>

Branches:

multilib

Children:

f8a76cb

Parents:

6c46cbb (diff), c7cd2c7 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Automatic merge of trunk into multilib

Files:

• chapter07/createfiles.xml (modified) (1 diff)
• chapter08/shadow.xml (modified) (2 diffs)

chapter07/createfiles.xml

@@ -216 +216 @@
   the bad login attempts.</para>
 
-  <note><para>The <filename>/run/utmp</filename> file records the users that
-  are currently logged in.  This file is created dynamically in the boot
-  scripts.</para></note>
+  <!-- systemd no longer creates this -->
+  <note revision='sysv'><para>The <filename>/run/utmp</filename> file
+  records the users that are currently logged in.  This file is created
+  dynamically in the boot scripts.</para></note>
+
+  <!-- AFAIK they are not vital for system function, users requiring such
+       info should rely on systemd-logind or elogind or some custom PAM
+       module.  Maybe we can stop to create them at all.  -->
+  <note>
+    <para>
+      The <phrase revision='sysv'><filename>utmp</filename>,
+      </phrase><filename>wtmp</filename>, <filename>btmp</filename>, and
+      <filename>lastlog</filename> files use 32-bit integers for timestamp
+      and they'll be fundamentally broken after year 2038.  Many packages
+      have stopped using them and other packages are going to stop using
+      them.  Do not rely on the contents of them for anything.
+    </para>
+  </note>
 
 </sect1>

chapter08/shadow.xml

@@ -277 +277 @@
         <seg>chage, chfn, chgpasswd, chpasswd, chsh, expiry, faillog,
         getsubids, gpasswd, groupadd, groupdel, groupmems, groupmod, grpck,
-        grpconv, grpunconv, lastlog, login, logoutd, newgidmap, newgrp,
+        grpconv, grpunconv, login, logoutd, newgidmap, newgrp,
         newuidmap, newusers, nologin, passwd, pwck, pwconv, pwunconv,
         sg (link to newgrp), su, useradd, userdel, usermod,
@@ -460 +460 @@
       </varlistentry>
 
-      <varlistentry id="lastlog">
-        <term><command>lastlog</command></term>
-        <listitem>
-          <para>Reports the most recent login of all users or of a
-          given user</para>
-          <indexterm zone="ch-system-shadow lastlog">
-            <primary sortas="b-lastlog">lastlog</primary>
-          </indexterm>
-        </listitem>
-      </varlistentry>
-
       <varlistentry id="login">
         <term><command>login</command></term>