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

Today, I want to talk to cainiao about the protection and inspection work we should do when the server is hacked. Daniel is familiar with system reinforcement and security issues, I have never worked on security for cainiao, so I can only talk about

This vulnerability is common in ColdFusion and content management systems. In some cases, a specific attack may succeed, and a high-value server may cause significant data leakage. In other cases, attackers can operate infected hosts on a large

In a VDI environment, administrators need to protect organizations against malware, but this process does not include antivirus software that may cause problems. There are no universally accepted standards for malware protection in virtual desktop

1. View apache concurrent requests and their TCP connection statusNetstat-n | awk '/^ tcp/{++ S [$ NF]} END {for (a in S) print a, S [a]}'2. displays the 10 processes that consume the most memory/CPU resources.Ps aux | sort-nk + 4 | tail3. Find the 1

Shell string truncation rules: • $ {# parameter} gets the string length. • $ {parameter % word} captures word at the end of the string at a minimum. • $ {parameter % word} captures word at the end of the string to the maximum extent. • $ {parameter #

Cat disk. sh#! /Bin/bash For I in 'df | sed 1d | awk '{print $5}' | sed's/% // g'' ### compare the size of the obtained loop ### #DoIf [$ I-gt 10] ### here, the threshold value is set to 10 to facilitate testing ###ThenDf-lh> disk.txt was added to

Shell special Variables☞Location variable 1. $0 get the file name of the current script, including the path. # Write a test script vim test. sh # The content is as follows: dirname $0 basename $0 # execute bash $ (pwd)/test. sh # output the

When Linux OS (RHEL, CentOS, and Fedora) of the Redhat system are used, it is necessary to use the yum tool to manage software packages. When many systems are managed or it is not convenient to connect to external yum sources, it is also important

Recently, I have been writing a script to automatically detect the host type in the network. The basic function can be used to determine the host operating system type. If the host is in the domain, you can obtain the host hardware and performance

That is, for example, I have 100 executable files and there is no particular sequential execution relationship between them, as shown in figure CODE: job_1job_2job_2.....job_100Want to use csh/bash for multi-thread invocation and execution For

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

Enhanced apache Security Configuration (using mod_chroot and mod_security) Generally, the LAMP environment is infiltrated by SQL injection, webshell uploading, Local Privilege Escalation to root, and rootkit installation. Using the following

1. Background When multiple processes may perform operations on the same data, these processes must ensure that other processes are not operating to avoid data corruption. Generally, such a process uses a "lock file", that is, creating a file to

#!/bin/bashwhile["1"]doeth=$1RXpre=$(cat/proc/net/dev|grep$eth |tr:" "|awk'{print $2}')TXpre=$(cat/proc/net/dev|grep$eth |tr:" "|awk'{print $10}')sleep1RXnext=$(cat/proc/net/dev|grep$eth |tr:" "|awk'{print $2}')TXnext=$(cat/proc/net/dev|grep$eth |tr:

1. Backup statement [Plain] view plaincopy #/Usr/local/mysql/bin/mysqldump-utest-ptesttest -- socket =/tmp/mysql.3306.sock>/usr/local/mysql_backup/3306/test-'date1_policy1_m1_d'. SQL .gz Statement description: /Usr/local/mysql/bin/mysqldump:

With the mature application of the LAMP environment, the security of the apache site has also been proposed. Sometimes, due to unexpected reasons, some information in the site may be leaked, making it unnecessary. Therefore, Apache Security has been

We will mainly talk about system accounting and System Log Management in Linux and how to use some tools to manage log information more conveniently and effectively. After we have installed the Linux server and made some basic Settings Using the

Most web developers need to design the user account system. One of the most important aspects of the Account System is how to protect users' passwords. User Database leaks in some large companies also occur from time to time, so we must take some