File Compression with ‘tar’ command

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Common Options -c –create Create a new archive. -x –extract Extract files from an archive. -t –list List the contents of an archive. -f –file=ARCHIVE Use archive file or dir ARCHIVE. -v –verbose Verbosely list files processed. Compression Options – -a –auto-compress Use archive suffix to determine the compression program. […]


Secure Shell (SSH)

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What is SSH? A secure shell is used to remotely access a server from a client over an encrypted connection. OpenSSH is used as an alternative to Telnet connections that achieve remote shell access but are unencrypted. The OpenSSH client is installed on most GNU/Linux distributions by default and is […]


How To Install Node.js on a CentOS 7 server

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Node.js is a Javascript platform for server-side programming. It allows users to easily create networked applications that require backend functionality. By using Javascript as both the client and server language, development can be fast and consistent. In this article, we would install Node.js from the source. Before installing the Node.js […]

disable firewalld on centos7

How to Stop and Disable Firewalld on CentOS 7

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Firewalld provides a dynamically managed firewall with support fornetwork/firewall zones to define the trust level of network connectionsor interfaces. It has support for IPv4, IPv6 firewall settings and forethernet bridges and has a separation of runtime and permanentconfiguration options. It also supports an interface for services or applications to add […]