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Install Apache SVN (Subversion) on CentOS 7 / RHEL 7

Install web server:

Update your system.

yum update

Here we will install Apache server as a web server for the SVN repository.

yum -y install httpd httpd-tools

Allow HTTP through firewall

firewall-cmd --permanent --zone=public --add-service=http
firewall-cmd --reload

Start the Apache service.

systemctl start httpd.service

Verify the Apache service by visiting.


Install Subversion:

Once the Apache is installed, issue the following command to install subversio...

Linux ifconfig command

Friday 10 November 2017 by
Linux ifconfig command

ifconfig in short “interface configuration” utility for system/network administration in Unix/Linux operating systems to configure, manage and query network interface parameters via command line interface or in a system configuration scripts.

The “ifconfig” command is used for displaying current network configuration information, setting up an ip address, netmask or broadcast address to an network interface, creating an alias for network interface, setting up hardware address and enable or disable network interfaces.


1. View All Network Setting

The &...

Network Configuration

Friday 10 November 2017 by
Network Configuration

Ubuntu ships with a number of graphical utilities to configure your network devices. This document is geared toward server administrators and will focus on managing your network on the command line.


Friday 10 November 2017 by

The Transmission Control Protocol and Internet Protocol (TCP/IP) is a standard set of protocols developed in the late 1970s by the Defense Advanced Research Projects Agency (DARPA) as a means of communication between different types of computers and computer networks. TCP/IP is the driving force of the Internet, and thus it is the most popular set of network protocols on Earth.

Dynamic Host Configuration Protocol (DHCP)

The Dynamic Host Configuration Protocol (DHCP) is a network service that enables host computers to be automatically assigned settings from a server as opposed to manually configuring each network host. Computers configured to be DHCP clients have no control over the settings they receive from the DHCP server, and the configuration is transparent to the computer's user.

The most common settings provided by a DHCP server to DHCP clients include:

  • IP address and netmask

  • IP address of the default-gateway to use

  • IP adresses of the DNS servers to use

However, a DHCP server can also supp...

Configure FirewallD Settings

Friday 10 November 2017 by
 Configure FirewallD Settings

In CentOS / RedHat 7 iptables firewall was replaced with FirewallD. The new firewall is much more user friendly to a novice network admin and still allows for advanced rules in the old iptables style.

The new firewall is built on the idea of zones. We will consider our lan as an internal zone and our public wan as external zone. These predefined names need to be specified in the network configuration scripts.


We are using the predefined zone names to ease NAT-ting as external zone has the masquerade attribute required for successful NAT already configured.

Open /etc/sys...