linux operating system

Q. How do I list all installed kernel on Linux operating system? How do I find out current kernel version? A. You can use standard package listing command to list installed kernels. RedHat / CentOS / RHEL / Fedora Linux user You need to use standard rpm command to list installed software. Type the following […]

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I need to provide a remote access to my Ubuntu Linux server. How do I start / stop OR restart the ssh server under Ubuntu Linux operating system?

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Q. How do I install Linux kernel source code and headers under RHEL 5 or CentOS 5 Linux operating system? A. Both CentOS and RHEL 5 includes following packages: a) Kernel-headers : It includes the C header files that specify the interface between the Linux kernel and userspace libraries and programs. The header files define […]

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Q. How do I backup files and database for the Red Hat Enterprise Linux / CentOS Linux? Currently I’ve MySQL server running on CentOS 5 and Web server and file server using RHEL 5. How do I backup all these servers? A. Regular backup is an essential for Linux system. You can take backup on […]

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