How to disable PHP error logs

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 […]

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How to convert MBps to IOPS or calculate IOPS from MB/s

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 […]

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Problem with phpMyAdmin and PHP 7.2: “Warning in ./libraries/sql.lib.php#613 count(): Parameter must be an array or an object that implements Countable”

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 […]

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Testing your email with Telnet

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 […]

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what possible reason to hack an app android

*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 […]

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oops in php interview questions

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 […]

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How to Monitor and Fix the Server Load

What is Server Load? Website owners and users will be familiar with the computing term “Load”. In Unix computing, the system load is a measure of the amount of computational work that a computer system performs. The load average represents the average system load over a period of time. It conventionally appears in the form […]

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Check the System Load on Linux

Uptime First let’s check the load on your server using the uptime command. The example shows the output from uptime. When the command was run at 15:16:45, the server had been up for 41 days 2 hours and 35 minutes, there were two users logged on and the load averages were 0.01, 3.01 and 2.70. The load average […]

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