Tag: IPTables
Google Cloud basics: Activate Cloud Shell
Introduction Google CLoud like it’s popular contemporary cloud vendors offers a means to manage cloud resources via the command line. The folks at GCP refer to this command line interface as cloud shell and it uses the...
Read MoreCreate persistent swap partition on Azure Linux VM
Introduction Swap space is storage on a disk device that is used when the system’s RAM (physcial memory) is full. When a Linux system runs out of RAM, inactive memory pages are moved from the RAM to the swap space. Swap...
Read MoreDNF, YUM and RPM package manager comparison
Introduction We have been using the yum or rpm package management tools for a while for managing packages in Redhat, Centos and other distributions which have been forked from RHEL. Yum has been the default package manager since...
Read MoreIntroduction to the aptitude package manager for Ubuntu
Introduction In our ongoing series of articles covering various software management tools, we have already covered, dpkg,apt-get and apt. In this article, we’ll cover the aptitude tool for package management on our Ubuntu...
Read Morezypper package management tool examples for managing packages on SUSE Linux
Introduction The zypper package management tool performs the same function for SUSE Linux as yum and apt perform for RedHat and Debian based systems respectively. SUSE (Software and System Entwicklung (Germany) meaning Software...
Read MoreAPT-CACHE and APT-GET commands for package management in Ubuntu
Introduction In an earlier article, we demonstrated how you could use the dpkg package manager to install, remove and query information about software packages in the Ubuntu OS. In this article, we will show you how to use...
Read More12 DPKG command examples
Introduction The package manager for Debian and distros derived from Debian is called dpkg or Debian package. As users, we can use dpkg directly or use higher level programs like apt(advanced package management tool) which gives...
Read MoreMonitoring a Remote Centos 6 server with Nagios core
Introduction In our earlier articles on nagios we explained in detail how to install nagios core on the centos 6 system and configure it. In this article we will explain step by step how to monitor a remote machine with nagios...
Read MoreInstalling Nagios on Centos 7 part 3 (Nagios configuration)
Introduction In our previous two articles we’ve explained how to install Nagios core on a Centos 7 system and how to install Nagios plugin and the Nagios Remote Plugin Executor. In this article we will explain how to...
Read MoreNagios installation on Centos 7 part 2 (installing plugins and NRPE)
Introduction In our previews article we walked you through installing nagios core on a Centos 7 system. In this article we will explain how to install Nagios plugins and the Nagios Remote Plugin Executor (NRPE) package. How does...
Read MoreInstalling Nagios on Centos 7
Introduction Nagios is an extremely popular open source monitoring and alerting tool. The name nagios is an offshoot of an older system called ‘net saint’. Although Nagios has it’s limits and is not an all in...
Read Moreapt command examples for package management in Ubuntu
Introduction In our earlier articles on package management for Debian bases distributions, we’ve covered dpkg, apt-get, and apt-cache tools. In this article, we will cover the apt tool for managing packages on our Ubuntu...
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ABOUT ME..!
My name is Surendra Kumar Anne. I hail from Vijayawada which is cultural capital of south Indian state of Andhra Pradesh. I am a Linux evangelist who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. At present I work at Bank of America as Sr. Analyst Systems and Administration. You can contact me at surendra (@) linuxnix dot com.