General questions related to patching and servers Post: 302934175

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Operating Systems Linux Red Hat General questions related to patching and servers Post 302934175 by fpmurphy on Thursday 5th of February 2015 05:10:42 AM

02-05-2015

Registered User

Quote:

Originally Posted by rbatte1

but usually a yum update will pick up everything applicable for your server. If you do this, make sure you are able to boot again afterwards and that there is space available in /boot in case it triggers a kernel rebuild in the boot.

Humm, I do not believe that this is correct information.

I have never had an RHEL update trigger a kernel rebuild anywhere yet alone in /boot. To use RHEL, you are not required to have the kernel sources or headers or even a compiler.

What actually happens is the yum update will download updated kernel and initrd binaries into /boot and modify your GRUB configuration to default boot using the new kernel/initrd. Only a configurable number of "old" kernel/initrd binaries are retained in /boot. I believe the default number is 3 but I am not in front of a RHEL system as I write this.

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yum-builddep

yum-builddep(1) 														   yum-builddep(1)

NAME

       yum-builddep - install missing dependencies for building an RPM package

SYNOPSIS

       yum-builddep package

DESCRIPTION

       yum-builddep  is a program which installs the RPMs needed to build the specified package.  The source RPM for the specified package must be
       available in a Yum repository (which will be automatically enabled, if it is disabled) or it can be a local source RPM file.

EXAMPLES

       Download and install all the RPMs needed to build the kernel RPM:
	      yum-builddep kernel

FILES

       As yum-builddep uses YUM libraries for retrieving all the information, it relies on YUM configuration for its  default  values  like  which
       repositories to use. Consult YUM documentation for details:

       /etc/yum.conf
       /etc/yum/repos.d/
       /var/cache/yum/

SEE ALSO

       yum.conf (5)
       http://yum.baseurl.org/

AUTHORS

       See the Authors file included with this program.

BUGS

       There  are  of  course no bugs, but should you find any, you should first consult the FAQ section on http://yum.baseurl.org/wiki/Faq and if
       unsuccessful in finding a resolution contact the mailing list: yum-devel@lists.baseurl.org.  To file a bug  use	http://bugzilla.redhat.com
       for Fedora/RHEL/Centos related bugs and http://yum.baseurl.org/report for all other bugs.

Panu Matilainen 						   17 July 2005 						   yum-builddep(1)