October 29, 2019 in Learning, Tips and Tricks
The Linux and Unix operating systems use the UID — user ID — to identify a particular user. The GID, or group ID, is used to identify a group. Each user will have a single, unique UID and a primary GID. The user can belong to several secondary groups and each secondary group will have […]
October 29, 2019 in Learning, Tips and Tricks
Linux is a multi-user operating system, meaning that more than one person can be logged into a computer at the same time. To see the login history of all the computer’s users, use the “last” command in the Linux terminal window. Variations of the “last” command can show you the history of one particular user, […]
October 15, 2019 in Php, Tips and Tricks
By default, PHP errors and warnings generated by your websites are logged in error_log files in the directory where your PHP files are located. The PHP error_log files can grow to a large size. If you do not need the error_log file you can disable PHP error logging using one of the three ways listed below: PHP Selector in […]
October 15, 2019 in Learning, Tips and Tricks
Most SSDs have two speed ratings for reading as well as for writing. The first rating is the sustained MB/s performance, which is the main marketing most manufacturers use. The second rating is the 4K Random IOPS performance, which gives a much better idea of how the drive will perform in the real world. The […]
October 2, 2019 in MySql, Php, Tips and Tricks
It’s possible that when you installed phpMyAdmin, the version in the repository (phpMyAdmin v4.6.6) was not fully compatible with PHP 7.2. There is a newer version available on the official website (v4.8 as of writing), which fixes these compatibility issues with PHP 7.2. sql.lib.php This error is caused by a line of code in /usr/share/phpmyadmin/libraries/sql.lib.php. If you […]
September 24, 2019 in Learning, Tips and Tricks
These FAQs will teach you how to test your IMAP, POP3 and SMTP settings using Telnet Simply click on a title below to skip to the most appropriate FAQ. You can also click the Top button to return and make another selection. How can I use Telnet to test my IMAP e-mail account is working? How can […]
September 23, 2019 in Tips and Tricks
*decompiled using automated tools To avoid such issues, organisations do some obfuscation (hiding) of code using free tools like ProGuard or other commercial tools. This makes decompilation a tough job. However, a good hacker can even bypass restrictions set up by ProGuard. For this reason large organisations like Google and Facebook use commercial obfuscation tools […]
September 19, 2019 in MySql, Php, Tips and Tricks, Ubuntu
Manage the Apache Process How to install PHP How To Install MySQL How To Install and Secure phpMyAdmin If Error After phpmyadmin installation Grant Permissions in MySQL Enabling mod_rewrite Install and Secure Redis on Ubuntu 18.04 Testing Redis enable/disable site in ubuntu a2ensite, a2dissite – enable or disable an apache2 site / virtual host DESCRIPTION […]
August 7, 2019 in Learning, Php, Tips and Tricks
1) What is OOPS? OOPS is abbreviated as Object Oriented Programming system in which programs are considered as a collection of objects. Each object is nothing but an instance of a class. 2) Write basic concepts of OOPS? Following are the concepts of OOPS: Abstraction Encapsulation Inheritance Polymorphism 3) What is a class? A class […]
