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…
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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-12.1.0.2.0-1.x86_64.rpm 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 10.10.20.0/24…
21Oct, 2016
Adding Temporary Routes in CentOS 7 Servers
Temporary routes can be added using the following command on CentOS7 Simple route: ip route 10.10.20.0/32 via 192.168.20.1 Device based simple route: ip route 10.10.20.0/32 via 192.168.20.1 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) 192.168.20.1 192.168.20.2 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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