Linux

PHP-FPM Vulnerability (CVE-2019-11043) can lead to Remote Code Execution on nginx

Tags: LinuxPHp-FPMVulnerabilities

Published on : October 29, 2019 by

PHP-FPM Vulnerability (CVE-2019-11043) can lead to Remote Code Execution on nginx

A vulnerability (CVE-2019-11043) was identified which could affect websites running under nginx webserver with PHP-FPM enabled. On October 22, a security researcher has tweeted regarding a freshly patched remote code execution vulnerability in PHP-FPM which exposed the bug . You can find the GitHub repository which provides the proof of concept (PoC) for the vulnerability. […]

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Logging The Terminal

Tags: Linux

Published on : September 24, 2019 by

Logging The Terminal

There are cases when we want to record the command that we input into the terminal or even the output. In this case, we will use the history command and the script command. The script Command Consider a case when we need to record the terminal for submitting it to someone for auditing or later […]

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How is a Linux Container different from a Virtual Machine?

Tags: Linux

Published on : July 30, 2019 by

How is a Linux Container different from a Virtual Machine?

Consider a scenario in which you are a developer and you are developing an application on your local machine and you are working on an environment with a specific configuration. Meanwhile, the production server on which the application is to be deployed is running on an environment with a different configuration. This creates a conflict […]

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To check which all ports are listening (Introducing Four Linux Commands)

Tags: Linux

Published on : July 8, 2019 by

To check which all ports are listening (Introducing Four Linux Commands)

A port is an addressable network location implemented in an operating system to help differentiate traffic destined for different services or Applications. The state of a port is either open, filtered, closed, or unfiltered. A port is said to be open if an application on the target machine is listening for connections/packets on that port. […]

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Use and examples of Named Pipes

Tags: Linux

Published on : April 6, 2019 by

Use and examples of Named Pipes

Pipe is a method for Inter Process Communication (IPC) which send output of one process to another process. As you know, pipes are of two types: Unnamed Pipes Named Pipes Unnamed Pipe An example of unnamed pipe is as follows: $ ls | wc -l Here output of first command is given as an input […]

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