yum command

How can display a list of configured repositories under CentOS / Fedora / Red Hat Enterprise / Scientific Linux server operating systems?

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How do I update all installed packages on Linux operating systems? How do I perform upgrading packages through a network on Linux operating systems?

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How can I install Nginx web server On CentOS Linux 6 or Red Hat Enterprise Linux 6 using yum command?

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How do I apply package updates from the RHN or CentOS repo on CentOS / RHEL / Fedora / Red Hat Enterprise Linux?

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I am using a bash shell under Ubuntu Linux operating system. Sometime I need to restrict my own Internet bandwidth for all my shell applications such as ftp, sftp, wget, curl and friends. How do I limit the network speed under bash without setting up a complicated firewall and tc rules as described here?

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How do I query and get information about a policy under SELinux? How do I analyze a binary or a source policy file under SELinux?

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Suhosin is an open source patch for PHP. How do I install suhosin under CentOS / Red Hat Enterprise Linux server running on my IBM server?

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