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red hat

What is Linux?

Can you explain me Linux? What is Linux? Is it a kernel or an operating systems?
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Red Hat / CentOS: Check / List Running Services

Q. How do I list all currently running services in Fedora / RHEL / CentOS Linux server?
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Yum In RHEL 5

How do I use yum command under RHEL 5 to install and update packages?
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Q. I know how to update my system using yum command. But how can I find out that patch has been applied to a package? How do I search CVE patch number applied to a package under Red Hat / CentOS / RHEL / Fedora Linux?
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Q. How do I install filter extension for safely dealing with input parameters supplied via a web form using filter_var()?
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Q. How do I install Cluster Suite software on CentOS Linux 5 IBM server for testing purpose?
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Q. How do I know when I need to update my Linux system? How do I know new patches are available for CentOS Linux (Red Hat) / Debian Linux server system?
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