Cloud Security

IT administrators are worried about the threat of internal staff tampering with data systems. Such threats are primarily caused by employees in the company or related personnel (including contractors and partners) who intentionally or

For installation instructions, see INSTALL. W32 in the openssl source code folder. Step 1 Environment Construction Install perl in Visual Studio 2008 Download the latest version of Openssl source code. My version is OpenSSL-1.0.0g. Step 2 Start

This document describes how to use shell on a unix host to monitor host survival and port survival.#! /Bin/bash# Author by fengzhanhai# It used by mon web service and net and host living# It was created on 2012-8-9# Webdate = 'date-d "today" + "% Y-%

I. shell script parent-child Process Analysis Code: #!/bin/bash echo $$ ps -ef |grep `echo $$` echo "-------------------------------------" ( pwd;echo $$;ps -ef |grep `echo $$`;) echo "-------------------------------------" { pwd;echo $$;ps -

The script content is as follows: #! /Bin/bash# Process management tool --- htop Echo "Checking System dependency package installation. Please wait ......"Yuminstallncurses-devel-y Echo "downloading the htop MAIN package ......"DOWNLOAD

Line sorting command sort:1. sort command line options:Option description-delimiter between t fields-f when character sorting is ignored, or sort some data based on the domain field-m sorts the sorted input files, merged into a sorted output data

1. View host Nic traffic #! /Bin/bash # Network # Mike. Xu While:; do Time = 'date + % m "-" % d "" % k ":" % m' Day = 'date + % m "-" % d' Rx_before = 'ifconfig eth0 | sed-n "8" p | awk '{print $2}' | cut-c7 -' Tx_before = 'ifconfig eth0 | sed-n "8"

Process status variable 1. $ get the current shell process ID (PID) 2. $! PID used to execute the previous command 3. $? Obtain the return value for executing the previous command (0 indicates success, and non-zero indicates failure, which is

Find:The following is an example of how to use the find command: /> Ls-l# List the test files contained in the current directory-Rw-r --. 1 root 48217 Nov 12 00:57 install. log-Rw-r --. 1 root 37 Nov 12 00:56 testfile. dat-Rw-r --. 1 root 10530 Nov 1

VPS was used a few months ago, with a traffic limit of GB per month, which is enough for convenient traffic. However, due to some malicious access, resources such as CPU and Memory consume a lot, as a result, the response time of a blog website on

When you use some commands (such as ls and git), you just need to easily traverse all directories and files, and then search for them, finally, we found a "magic" wildcard "" ** "(two asterisks). After setting the Bash globstar option, ** we can

Some time ago, I developed a performance appraisal knowledge management system for IT system maintenance personnel under the arrangement of the leaders. After the system went online, the system was properly tuned several times. Unfortunately, the

There are always a lot of boring people scanning the server password on the Internet. I have encountered this problem on one of my previous servers. Of course, the severity of this problem is still very high. If it is infiltrated, the harm is not

Users who work in O & M for large enterprises or IDCs often have such requirements. Some people may not be very familiar with the advantages of Linux's secondary encapsulation, that is, when you need to perform one operation repeatedly, for example,

1. Linux forgets the root password and enters the single-user mode to change the password (1) about lilo 1. When lilo appears: Enter Linux single Lilo: Linux single 2. Press enter to directly access the Linux Command Line 3. Use the password command

(1) Disable finding PHP Functions1disable_functions = This option can be used to set which PHP functions are not allowed to be used. Some functions in PHP are highly risky. You can directly execute some CentOS system-level script commands. If these

Because the root user has full operation permissions on the system, in order to avoid some mistakes, we recommend that you log on to the system as a general user. If necessary, you need root operation permissions, then, run the "su-" command to log

This article describes how to modify the default sshd settings to ensure sshd security and restriction, and protect your server from hacker intrusion. Every time you change the sshd configuration file, You Need To Restart sshd. In this way, your

In the process of building vsftp, service security is critical. check whether there is hacker intrusion in the log and whether to avoid the next hacker attack. Now I write the ftp security management, hope you can help. 1. Enable the log function of

We often need to impose some security restrictions when configuring the linux server, such as only allowing specific IP address segments to access the specified port. For example, I have a server with dual-IP addresses that can be accessed from both