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Category: Administrations

Install MariaDB 10.3 on CentOS

Rumi, October 23, 2022

Step 1: Add MariaDB Yum Repository  Create a new repo file /etc/yum.repos.d/mariadb.repo and add the below code changing the base url according to the operating system version and architecture. # vi /etc/yum.repos.d/mariadb.repo [mariadb] name = MariaDB baseurl = http://yum.mariadb.org/10.3/centos73-amd64/ gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB gpgcheck=1 Step 2 – Install MariaDB Server Let’s use the…

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PFSense SNMP Configuration

Rumi, September 9, 2022

Open a browser software, enter the IP address of your Pfsense firewall and access web interface. In our example, the following URL was entered in the Browser: https://192.168.15.11 The Pfsense web interface should be presented. After a successful login, you will be sent to the Pfsense Dashboard. Access the Pfsense…

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Allow Ping on PFSense WAN interface

Rumi, September 9, 2022

This article shows you how to allow ##ping## on the WAN side of your pfSense firewall. By default, ping to WAN address is disabled on pfSense for security reason. However, you may want to allow ping for different reasons, here is how: # Login to pfSense # Open Firewall >…

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Install Percona Monitoring and Management using Docker

Rumi, September 9, 2022

You can any distribution for installation- Rocky/Alma/CentoS 8 Stream. I assume you’ll use anyone of these instance. Step 1: Add Docker Repository Docker is not yet available on default repositories. Thankfully, an official repository has been provided by developers and we are going to add it first to the system….

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CentOS 7 Server Installation with Software RAID

Rumi, September 4, 2022

Install the Operating System Boot from the USB flash drive and select Install CentOS 7 When the welcome screen of the CentOS installer appears, choose your language and just click on Continue

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VPNGATE from SoftEther Community

Rumi, September 4, 2022

VPN Gate Academic Experiment Project is an online service as an academic research at Graduate School of University of Tsukuba, Japan. The purpose of this research is to expand the knowledge of “Global Distributed Public VPN Relay Servers” . How does VPN Gate work? VPN Gate network consists of many…

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Remove DNSCACHE from zimbra services.

Rumi, September 3, 2022

If you will get a prompt stating something like “Port conflict detected: 53 (zimbra-dnscache)” with a prompt to hit ENTER to continue, you can just hit enter and let the installation/upgrade run out. Once everything is running, you will see that the Zimbra DnsCahe service is in a stopped state….

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Redirect all request to public/ folder in laravel 5

Rumi, August 19, 2022

There are two solutions: 1. Using .htaccess with mod_rewrite RewriteEngine on RewriteCond %{REQUEST_URI} !^public RewriteRule ^(.*)$ public/$1 [L] 2. You can add a index.php file containing the following code and put it under your root Laravel folder (public_html folder). <?php header(‘Location: public/’); Src: https://stackoverflow.com/questions/38040502/how-do-you-redirect-all-request-to-public-folder-in-laravel-5

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Install MySQL 5.7 on CentOS 7

Rumi, August 10, 2022

Preqrequsite: It’s better to have installed development tools and disable NetworkManager for a produciton envrionment. You can optionally follow the steps- Disabling NetworkManager: systemctl stop NetworkManager systemctl disable NetworkManager Install Development Tools: yum group install “Development Tools” Remove MariaDB pre-installed libraries- yum -y remove mariadb-libs Enable MySQL Repository First of…

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Postfix SMTP Rotating IP using IPTables

Rumi, August 1, 2022

I got 5 Public IPs. i’m Gonna configure them, so Postfix can use multiple interfaces/ips for outgoing smtp connections. First we need creating Interface aliases for those 5 public IPs. In my system, using centos: # cd /etc/sysconfig/network-scripts/ # cp ifcfg-eth0 ifcfg-eth0:1 Edit ifcfg-eth0:1 # vi ifcfg-eth0\:1 DEVICE=eth0 <– default…

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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.

Tags

Apache Bind Cacti CentOS CentOS 6 CentOS 7 Debain Debian Debian 10 Debian 11 Debian 12 DKIM Docker endian icinga iptables Jitsi LAMP Letsencrypt Linux Munin MySQL Nagios Nextcloud NFS nginx pfsense php Postfix powerdns Proxmox RDP SSH SSL Ubuntu Ubuntu 16 Ubuntu 18 Ubuntu 20 Varnish virtualbox vpn Webmin Windows 10 XCP-NG zimbra

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