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Diffstat (limited to 'chapter08/pkgmgt.xml')
| -rw-r--r-- | chapter08/pkgmgt.xml | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/chapter08/pkgmgt.xml b/chapter08/pkgmgt.xml index 228a13378..43b9c57d3 100644 --- a/chapter08/pkgmgt.xml +++ b/chapter08/pkgmgt.xml @@ -121,6 +121,21 @@ and rerun that command to confirm nothing is still using the deleted libraries. </para></listitem> + + <listitem> + <para>If a binary or a shared library is overwrote, the processes + using the code or data in the binary or library may crash. The + correct way to update a binary or a shared library without causing + the process to crash is: remove it first, then install the new + version into position. The <command>install</command> command + provided by <application>Coreutils</application> has already + implemented this and most packages use it to install binaries and + libraries. So you won't be troubled by this issue most of the time. + However, the install process of some packages (notably Mozilla JS + in BLFS) just overwrites the file if it exists and causes crash, so + it's safer to save your work and close unneeded running processes + before updating a package.</para> + </listitem> </itemizedlist> </sect2> |