[CentOS] Is reboot needed after updating kernel, glibc, database?

Tue Jun 28 09:11:56 UTC 2011
Alexander Farber <alexander.farber at gmail.com>

Hello,

I always wanted to ask: do you need to reboot after
updating packages like kernel, glibc, postgresql?

Or do you need to restart the postgresql service
after updating it with yum?

Regards
Alex

# sudo yum update
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Setting up Update Process
Resolving Dependencies
--> Running transaction check
---> Package glibc.i686 0:2.5-58.el5_6.4 set to be updated
---> Package glibc.x86_64 0:2.5-58.el5_6.4 set to be updated
---> Package glibc-common.x86_64 0:2.5-58.el5_6.4 set to be updated
---> Package glibc-devel.x86_64 0:2.5-58.el5_6.4 set to be updated
---> Package glibc-headers.x86_64 0:2.5-58.el5_6.4 set to be updated
---> Package krb5-libs.i386 0:1.6.1-55.el5_6.2 set to be updated
---> Package krb5-libs.x86_64 0:1.6.1-55.el5_6.2 set to be updated
---> Package krb5-workstation.x86_64 0:1.6.1-55.el5_6.2 set to be updated
---> Package nscd.x86_64 0:2.5-58.el5_6.4 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package                Arch         Version                Repository     Size
================================================================================
Updating:
 glibc                  i686         2.5-58.el5_6.4         updates       5.3 M
 glibc                  x86_64       2.5-58.el5_6.4         updates       4.8 M
 glibc-common           x86_64       2.5-58.el5_6.4         updates        16 M
 glibc-devel            x86_64       2.5-58.el5_6.4         updates       2.4 M
 glibc-headers          x86_64       2.5-58.el5_6.4         updates       594 k
 krb5-libs              i386         1.6.1-55.el5_6.2       updates       667 k
 krb5-libs              x86_64       1.6.1-55.el5_6.2       updates       679 k
 krb5-workstation       x86_64       1.6.1-55.el5_6.2       updates       914 k
 nscd                   x86_64       2.5-58.el5_6.4         updates       167 k

Transaction Summary
================================================================================
Install       0 Package(s)
Upgrade       9 Package(s)