Linux

CentOS / RHEL Open FTP Port 21 with firewalld

In this guide, I’m going to show how to open FTP port 21 with firewalld in CentOS / RHEL. Let’s start: Table of Contents...
Md Obydullah
54 sec read

Certbot SSL: CERTIFICATE VERIFY FAILED with Let's Encrypt on CentOS

Hello, in this article, we will fix this SSL issue. The solution is the same as cURL error 60: Peer’s Certificate issuer is not...
Md Obydullah
48 sec read

CentOS cURL error 60: Peer’s Certificate issuer is not…

In this guide, we are going to solve the “cURL error 60: Peer’s Certificate issuer is not recognized” issue. We may face this at...
Md Obydullah
1 min read

Set or Change Timezone on CentOS 7

In this tutorial, we will learn how to set or change timezone on CentOS 7. Let’s follow these steps: Table of Contents Prerequisites Check...
Md Obydullah
48 sec read

CentOS Remove Packages with Dependencies

Normally at the time of uninstallation a package, it just removes the package. There are some unused dependencies left. To remove a package completely,...
Md Obydullah
41 sec read

Setup Apache Virtual Host on CentOS 7 Step by…

In this guide, you are going to set up a virtual host on CentOS 7 server. To install Apache on your server, you can...
Md Obydullah
1 min read

CentOS 7 Allow User to Run Any Commands Anywhere…

In this tutorial, we are going to learn how to provide permission to run any commands (sudo commands too) anywhere. Let’s start. To provide...
Md Obydullah
32 sec read

CentOS 7 Install Let’s Encrypt SSL on Apache Server

In this tutorial, we are going to setup free SSL (Let’s Encrypt) on CentOS 7 server running Apache as a web server. Prerequisites Root...
Md Obydullah
1 min read

Linux Server Add Port to Firewall: ‘no route to…

After running up a new server, we need to add port to Firewall if we enable Firewall. We can easily add a port to...
Md Obydullah
1 min read

Execute Shell Script in Linux Server Without Causing Error

In this article, we are going to learn how to execute a shell script in Linux server. Create Shell on Server & Run We...
Md Obydullah
1 min read

PHP cURL Error Code 60 : SSL Certificate Problem…

Let’s try to know what does it means. cURL error code 60 defines CURLE_PEER_FAILED_VERIFICATION. According to haxx.se, The remote server’s SSL certificate or SSH...
Md Obydullah
24 sec read

phpMyAdmin “Cannot start session without errors” [Solved]

Sometimes phpMyAdmin shows the error message “Cannot start session without errors”. The problem can be due to file and folder permissions. We can easily...
Md Obydullah
48 sec read

Nginx Configuration File for Sendy

Sendy is a self-hosted newsletter application that lets you send trackable emails via Amazon Simple Email Service (SES) at 100x cheaper than other hosted...
Md Obydullah
46 sec read

CentOS 7 Reset Your MySQL or MariaDB Root Password

Today I am going to share how to reset root password of MySQL/MariaDB. Table of Contents Stop Database Server Change the Root Password Restart...
Md Obydullah
58 sec read

Export and Import Database in CentOS/Ubuntu Server

We can easily export and import MySQL/MariaDB database in CentOS or Ubuntu server. Prerequisites SSH access to Linux sever. The database credentials. Export Database...
Md Obydullah
55 sec read

Execute Sudo Commands as Root in PHP on CentOS

Today we are going to see how to run Linux server commands as root using PHP script. We can run commands easily using shell_exec()function....
Md Obydullah
1 min read

Install Google Drive and Schedule Backup to GDrive on…

We know that Google drive is traditional cloud storage. It is also offering 15 GB is free of cost. We can take our website’s...
Md Obydullah
2 min read

Install Memcached on CentOS 7

In this tutorial, we will install Memcached on CentOS 7. Let’s follow these steps: Step 1 : Login to Server At first, we need...
Md Obydullah
1 min read