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| author | Xi Ruoyao <xry111@mengyan1223.wang> | 2022-03-16 15:49:35 +0800 |
|---|---|---|
| committer | Xi Ruoyao <xry111@mengyan1223.wang> | 2022-03-16 15:49:35 +0800 |
| commit | ccb08fafc839261488352388b5e708e6a845f0c5 (patch) | |
| tree | 8e307603b537fd242403fe89460fb05c0797bcaf | |
| parent | 16a517ac7ea84b93d1973f28f013a17219c2df94 (diff) | |
pkgmgmt: for systemd revision, add how to restart systemd without reboot
| -rw-r--r-- | chapter08/pkgmgt.xml | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/chapter08/pkgmgt.xml b/chapter08/pkgmgt.xml index 3814b02b0..27e9c9cda 100644 --- a/chapter08/pkgmgt.xml +++ b/chapter08/pkgmgt.xml @@ -102,7 +102,7 @@ you have to downgrade a package, or the package changes the versioning scheme of library files suddenly.</para> </listitem> - <listitem> <para>If a package containing a shared library is updated, + <listitem><para>If a package containing a shared library is updated, and the name of library doesn't change, but a severe issue (especially, a security vulnerability) is fixed, all running programs linked to the shared library should be restarted. The following @@ -120,6 +120,13 @@ restart <command>sshd</command> service, then logout, login again, and rerun that command to confirm nothing is still using the deleted libraries. + </para> + + <para revision='systemd'> + If the <command>systemd</command> daemon (running as PID 1) is + linked to the updated library, you can restart it without reboot + by running <command>systemctl daemon-reexec</command> as the + <systemitem class='username'>root</systemitem> user. </para></listitem> <listitem> |