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rhel 4

Linux Deleting Firewall Rules

I would like to to delete my iptables based firewall rules under Linux. How do I delete rules individually or all at once under CentOS or Fedora Linux or RHEL based servers?
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View Installation / Uninstallation Script Inside The RPM File

Q. How do I view the pre / post installation or uninstallation script inside the RPM file called foo.rpm under Red Hat Enterprise Linux / RHEL / CentOS / Fedora / Suse Linux? How do I list the package specific scriptlet(s) that are used as part of the installation and uninstallation processes?
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kpartx: Linux Create Device Maps From Partition Tables ( mpath devices for partitions )

Q. How can I create mpath devices for partitions under CentOS Linux 5?
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Apply package updates from the Red Hat Network (RHN) For Red Hat Linux Server

Q. How do I apply package updates from the Red Hat Network (RHN)?
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