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About WHOIS Lookup
BySam
What is a WHOIS Database? The WHOIS database contains the listing of all registered domains on the internet. You can do a WHOIS lookup to access various details related to a domain like registration date, expiry date, domain ID, name of registrar, contact information, server name and more. The WHOIS database is available to the…
Common SSH Commands
BySam
Home and navigation When you first log into your server, you will be in your home directory. For the root user, this is /root/. Linux folder structure Linux uses a nested folder structure to store different files. The top-level directory is considered the root directory, and is designated by /. Folders beneath the root level…
How to fix and Prevent SQL Injection in WordPress
BySam
Introduction SQLi is the manipulation of a security flaw in database systems. WordPress, as a platform, runs server-side scripts in PHP and uses SQL databases. Hence, SQL and PHP make WordPress websites vulnerable to attackers. They could insert malicious URLs (which are embedded with commands) that trigger unwanted behaviors from your database. Consequently, your database’s…
How To resize an ext2/3/4 and XFS root partition without LVM
BySam
This guide will show you how to extend or resize an ext2/3/4 and XFS File System without LVM at runtime. This could be a root partition configured with ext2/3/4 or XFS filesystem but without any LVM configured. Step 1: Check your current root disk capacity For this demonstration, I have a CentOS 7 VM with…
How to Change OpenCart Timezone
BySam
Go to system/startup.php and find following lines of code: if (!ini_get(‘date.timezone’)) { date_default_timezone_set(‘UTC’); } Replace with following lines of code by changing to your timezone date_default_timezone_set(‘Australia/Sydney’); Synchronize PHP and Database Timezone The query we use to set database timezone if you are super admin is below: SET time_zone=’offset’; But everyone has no super admin access…
How to configure the passive ports range for ProFTPd on a Plesk server behind a firewall
BySam
Question How to configure the passive ports range for ProFTPd on a server behind a firewall? Answer Note: When configuring the passive port range, a selected port range must be in the non-privileged range (e.g., greater than or equal to 1024). It is strongly recommended that the chosen range should be large enough to handle…