After more than two months of hard work, this series of blog posts is coming to an end.ArticleIt can help you in your future work and hope to have the opportunity to communicate with you technically and learn from each other, at the same time,
Restricting external scan behavior through firewall policy
Please according to your server operating system, download the corresponding script to run, after running your firewall policy will ban the behavior of the external contract, to ensure that
First you need to do the basic Linux security settings, you can refer to this article first
Http://www.jb51.net/article/94842.htm
1. Linux System Scripts
#!/bin/bash ######################################### #Function: Linux drop port #Usage:
The company's products have been running on the cloud server, so fortunate to have contacted AWS's EC2, the Grand Cloud server, recently prepared to use Aliyun elastic calculations (cloud server). The first two cloud servers in the security policy
All executed scripts need root identity to execute: Execute the command as root: Bash xxx.sh
Function: Automatic detection system and update sourceApplicable system version: compatible with all Linux versions on lineHow to: Execute a command as
Author: Darshit AsharaDate: 21/08/2011Vendor: WordpressVersion: 3.2.1
Incorrect WordPress core module code (post-template.php)This causes cross-site scripting.I can simply updateView plaincopy to clipboardprint? Will affect the index page and the
Iredmail installation script analysis (iii) --- conf/global DISTRO value source and operating system judgmentWhen introducing the conf/global file, the author has determined the type of the operating system and assigned a value to DISTRO. Part of
Iredmail installation script analysis (iii) --- conf/global DISTRO value source and operating system judgment, iredmaildistro
When introducing the conf/global file, the author has determined the type of the operating system and assigned a value to
This article mainly introduced the Linux Shell script view numa information, this article directly gives the script implementation code, needs the friend may refer to under
Nova provides NUMA-related advanced features in the NFV scenario, which
The Nova provides NUMA-related advanced features under the NFV scenario, which provides a script to view the NUMA-related information for compute nodes.
#!/bin/bash function Get_nr_processor () {grep ' ^processor '/proc/cpuinfo | wc-l}
Http://tengine.taobao.org/book/chapter_09.html
Nginx Architecture Detailed (50%)
Nginx's next article will be more in-depth introduction to the implementation of nginx principle. In the previous chapter, we learned how to design a high-performance
This problem occurs when you enable the error prompt in php, you will be notified of some programming errors. Next I will analyze the php Notice: Undefined index error prompt Method for you, for more information, see.
Cause Analysis
This problem is
The PHP empty string describes the relationship between 0, null, empty, and false. If the method function is used incorrectly or is used less, if the logic sequence of several method functions is wrong, it may be a vulnerability and cannot be found
KVM Performance Optimization SolutionKVM performance optimization, mainly concentrated in the CPU, memory, disk, network, 4 aspects, of course, the optimization of this, but also to sub-scene, different scenes of its optimization direction is
Cause analysisThis problem is generally caused by undefined variables.Example The code is as follows:Copy code If ($){Echo $;}Else{} // Prompt: Notice: Undefined variable: a in E:/www/test. php on line 5 The code is as follows:Copy code //
A few months ago began to use the VPS, the monthly limit of 300GB traffic, traffic convenience basic enough, but sometimes due to some malicious access, resulting in CPU, memory and other resource consumption, resulting in a VPS blog site response
This article is the Reading Notes of customizing your environment, chapter 3 of learning the bash shell 3rd edition. Setting up a good user environment is crucial for our development. This section describes four aspects: special files, aliases,
: This article mainly introduces the relationship between 0, null, empty, and false in PHP empty strings. For more information about PHP tutorials, see. // Determine the relationship between 0 and '', null, empty, and false
$ A = 0;
Echo
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