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15Jun, 2017

Install PHP ImageMagick cPanel

  Installation on latest version of WHM/cPanel with EasyApache4 (EA4)   1. Install the following packages using YUM yum install ImageMagick ImageMagick-devel   2. Install on EA4 PHP 5.5 /opt/cpanel/ea-php55/root/usr/bin/pecl install imagick   3. Install on EA4 PHP 5.6 /opt/cpanel/ea-php56/root/usr/bin/pecl…

30May, 2017

SSL Installation on Tomcat Server

  Generate CSR for Tomcat Server: 1. Generate the private key with the below command keytool -genkey -alias website -keyalg RSA -keysize 2048 -keystore example_com.jks -dname “CN=example.com,OU=IT, O=Example Pvt Ltd, L=Hyderabad, ST=Telangana, C=IN” 2.…

30May, 2017

Kill Network Connections from a specific IP using TCPKill

TCPKILL command on Linux is useful to kill connections made by malicious IP’s to the server, TCPKILL can be installed on the server (CentOS) using the below command Installation in CentOS: yum…

13Feb, 2017

Install PHP OCI8 extension to connect to remote Oracle Databases

Installtion on EasyApache 3: 1. Install Oracle Instaclient Basic and Devel packages from here [root@server ~]# rpm -ivh oracle-instantclient12.1-basic- Preparing… …

21Oct, 2016

Adding Persistent Routes in CentOS 7 Servers

  Persistent routes should be added in the route file, if your interface name is ens001, then you need to create the following file vi  /etc/sysconfig/network-scripts/route-ens001 and add routes in the following format…

21Oct, 2016

Adding Temporary Routes in CentOS 7 Servers

  Temporary routes can be added using the following command on CentOS7 Simple route: ip route via   Device based simple route: ip route via dev ens1002   Device based simple route with specified…

21Oct, 2016

Routes on CentOS 7 Servers

  What is routing: Routing informs the kernel how to transfer a packet from one IP to another IP. Lets say you have the the following routers (gateways) and the second level of…

20Aug, 2016

Using find command in Linux

Find is a very useful utility available in all the Linux server across all the variants, in this post let’s discuss some of the use cases of the command “find“. You…

20Aug, 2016

Generating a CSR for a domain

Let’s generate a CSR for the domain hostingdada.net using OpenSSL Login to your linux server as “root” via SSH through Putty On the prompt type the following command to generate…

10Aug, 2016

Change Linux Servers HOSTNAME

  RHEL7/CentOS7 Servers: Temporary Change (will not sustain a reboot) Servers hostname can be changed temporarily by running the following command hostname new.hostname.here Permanent Change (Will sustain even after a reboot) Change the hostname of…

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