Part1: Docker Introduction: How to start with docker ?
1. What is Docker ? Docker is a software package which is installed on a server or host OS and then provides a facility to create containers. Each container can...
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
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Explanation of Firewalld in Linux RHEL 7, or Centos 7 and how to work with it.
Similar to IPTables, firewalld is a user space utility program to manage Linux system firewall. Firewalld and IPtables both use the same kernel module i.e. NetFilter. As a result, only...
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Explanation of IP Tables in Red hat Linux or CentOS ?
IPTables is a user-space utility or executable binary used to manage the firewall tables provided by Linux kernel firewall module. iptables command applies to IPv4, and ip6tables command is available...
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Introduction of SCSI, iSCSI, and SAS in Linux and which is better.
In this article, we will look at the differences between SCSI, iSCSI, and SAS and will understand in brief how they are co-related. 1. SCSI or Small Computer System Interface...
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NIS Server in RHEL/CentOS Linux – Installation, Configuration, Interview Questions, & Tips
1. Introduction Network Information Service or NIS were originally named as Yellow Pages or YP is a directory service protocol used for distributing system configuration data across the network. System...
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DHCP Server in Linux(RHEL or CentOS) – Installation, Configuration, Interview Questions, Tips
DHCP(Dynamic Host Configuration Protocol) 1. What is DHCP Server ? Dynamic Host Configuration Protocol (DHCP) automatically assigns network configuration information including IP addresses and other information like subnetmask, broadcast address,...
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NFS(Network File System) Server in Linux – Installation, Configuration, Interview Questions for Redhat/Centos
1. Introduction NFS or Network File system was developed by Sun Microsystems(now Oracle) in 1984. Allows the server to share some files/data over the network to various clients. Works on...
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syslog, rsyslog, syslog-ng Description and Usage in Linux
1. Introduction syslog, rsyslog, and syslog-ng are different mechanism available to capture the system logs of different hosts and provides an ability to collect them on a central server. SYSLOG...
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Difference between bonding and teaming in Linux ?
In this post, we will look at the differences between teaming and bonding implementation in Linux. Teaming driver is introduced with RHEL 7 and is considered before bonding. Let us...
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Configure OOM Killer in Linux.
1. OOM Killer Introduction OOM(Out of Memory) killer is a process which is called by our system kernel when linux system memory is critically low to recover some memory/RAM. OOM...