Category: Linux tutorials

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Access Linux Systems Remotely

Remote Login Tools Secure Shell ( SSH) The Secure Shell (SSH) is one of the most versatile System Administration tool, that allows user to login and execute the commands on remote systems. It uses strong encryption and host keys as a protection against network sniffing. it...

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Basic Linux Commands for Everyday Usage

1.  List the contents of the current directory: # ls Desktop Documents Downloads Music Pictures Public Templates Videos 2. Show the current location: # pwd /home/user01 Presently, you are in user01’s home directory, so the output of the ls command was all directories that belong to...

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Boot and Shutdown operations on Linux systems

Understanding Linux Boot Process Linux Boot Process Involves multiple Steps, let’s explore the entire boot process: Step 1: Power on the Machine Step 2: Run POST and Identify the  boot Device Step 3: Read the GRUB Boot loader from the MBR of Boot device The Grand...

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Caching-Only DNS server

The setup of a name caching-only server is a little different from what you have done already. The first thing we mentioned before starting any configuration is that you back up the original /etc/named.conf file (RHEL6 only). This original /etc/named.conf file is actually a sample named.conf...

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Configruing NTP Services in Linux ( RHEL5/6)

The NTP service is responsible for maintaining the system time, which is highly important in any  environment because so many things rely on time (logs, error messages, applications, and so on). There are a few different roles that your system can have when using NTP. They...

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Configuring Linux Web Services using Apache httpd

The most commonly used web server in the world today is Apache—and with good reason. Built with security in mind, Apache is a solid and stable web server that has been around for years. The module design allows for scalability and ease of use. Apache can...

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