chkconfig command

Cacti is a network graphing tool similar to MRTG. How do I install and configure common options to collect SNMP data and various other data (such as system load, network link status, hard disk space, logged in users etc) into an RRD?

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The best protection against vulnerable software is running less software. How do I find out which services are enabled at Boot under CentOS / RHEL / Fedora Linux? How do I disable software which is not needed?

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

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How do I disable bluethooth support (including bluethooth based devices) under Linux operating systems?

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How do I verify or check cronjob is running or not under CentOS / RHEL / Fedora Linux from a shell prompt?

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How do I configure and install an FTP server in CentOS / RHEL 5 / Fedora Linux server?

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How do I disable Squid Proxy Serer under CentOS Linux operating system so that I can directly connect to the internet?

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