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Tag: CentOS 7

Disable FirewallD and Enable Iptables on CentOS 7

Rumi, December 28, 2019

Download and Install the Iptables Service To begin your server’s transition, you need to download and install the iptables-service package from the CentOS repositories. Download and install the service files by typing: sudo yum install iptables-services This will download and install the systemd scripts used to manage the iptables service….

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Zimbra 8.8 on CentOS 7

Rumi, December 17, 2019

Before we proceed with Zimbra Collaboration Suite installation process, first login to your server console with root privileges and install the following packages: # yum -y install unzip net-tools sysstat openssh-clients perl-core libaio nmap-ncat libstdc++.so.6 perl perl-core ntpl nmap sudo libidn gmp libaio libstdc++ unzip sqlite dnsmasq Next, issue getenforce command to check…

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Add a New Disk Larger Than 2TB to An Existing Linux

Rumi, December 13, 2019December 11, 2020

I am using fdisk and parted utilities to do this configuration. First list the current partition details using fdisk command as shown. # fdisk -l List Linux Partition Table For the purpose of this article, I am attaching a hard disk of 20GB capacity, which can be followed for disk larger than 2TB as well. Once…

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Install ionCube Loader on a CentOS 7

Rumi, December 8, 2019

1. Log in to your CentOS 7 VPS via SSH as user root # ssh root@IP_Address and update all installed services # yum update 2. Run the ‘arch’ command in the terminal to check if your system is 32-bit (i686) or 64-bit (x86_64) # arch x86_64 3. In our case…

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Install VirtualBox on Centos 6 / 7

Rumi, September 6, 2019

Step 1 – Add Required Yum Repositories Firstly you are required to add VirtualBox yum repository in your system. Download repository file from its official site and place it under at /etc/yum.repos.d/virtualbox.repo .First navigate to /etc/yum.repos.d/ directory and use one of below commands as per your operating system. cd /etc/yum.repos.d/ wget http://download.virtualbox.org/virtualbox/rpm/rhel/virtualbox.repo…

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Allow firewalld for webmin access after post installation

Rumi, August 4, 2019

FirewallD is an IPv6 compatible firewall mechanism used in recent Linux distributions (RedHat/Fedora/CentOS) replacing good old iptables.

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Install Poppassd in CentOS 7

Rumi, July 19, 2019November 15, 2019

Steps for configuration change password plugin for squirrelmail/Horde/Rainloop using poppassd are: Download poppassd.c from https://netwinsite.com/poppassd/ Look at poppassd.c and make sure it looks safe yum -y install gcc gcc poppassd.c -o poppassd -lcrypt mv poppassd /usr/local/bin/ yum -y install xinetd cp /etc/xinetd.d/time-stream /etc/xinetd.d/poppassd nano /etc/xinetd.d/poppassd Update “service time” to “service…

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Set Hostname in Centos 7

Rumi, May 11, 2019

CentOS 7 only allows Fully Qualified Domain Names (FQDN’s). Acceptable values include lower-case letters a to z, numbers 0 to 9, the period, and the hyphen, and between 2 and 63 characters. At the console, type: hostnamectl set-hostname my.new-hostname.server NOTE: Replace my.new-hostname.server with your chosen hostname. Check the Hostname hostnamectl

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Install LAMP on Centos 7 with PHP 5.x/7.0/7.1/7.2

Rumi, March 10, 2019

In this tutorial, I use the hostname server1.example.com with the IP p 192.168.1.100. These settings might differ for you, so you have to replace them where appropriate. I will add the EPEL repo here to install latest phpMyAdmin as follows: rpm –import /etc/pki/rpm-gpg/RPM-GPG-KEY* yum -y install epel-release To edit files…

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Install MariaDB on CentOS 7

Rumi, February 9, 2019

MariaDB is an open source relational database management system, backward compatible, binary drop-in replacement of MySQL. It is developed by some of the original developers of the MySQL and by many people in the community. With the release of CentOS 7, MySQL was replaced with MariaDB as the default database…

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Myself…

Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Savvyfrom Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & PKI Naitonal Root and CA Infrastructure. Also engaged with several Offshore Software Development Team.

Worked with Orascom Telecom-Banglalink, Network Elites as VAS partner, BTRC, BTT (Turkey) , Mango Teleservices Limited and Access to Informaiton (A2I-UNDP)

Currently working at Oracle Corporation as Principal Technology Solution and Cloud Architect.

You can reach me [h.t.emdad at gmail.com] and I will be delighted to exchange my views.

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