OS: Dirty Cow (Dirty COW) Vulnerability: Linux kernel access to kill right hole (cve-2016-5195) __linux


Note that when compiling a vulnerability exploits a program: gcc-lpthread dirtyc0w.c-o dirtyc0w The actual test under Ubuntu 15.10 needs to be changed to: Gcc-pthread Dirtyc0w.c-o dirtyc0w Or GCC dirtyc0w.c-o dirtyc0w -lpthread To compile correctly.

Linux memory management mechanism, memory monitoring, buffer/cache similarities and differences __linux

In Linux often found that there is little free memory, it seems that all the memory is occupied by the system, the surface is not enough memory, it is not. This is a good feature of Linux memory management, the main feature is that no matter how

Use the Autotools tool to compile the detailed steps for installing the Linux project with configure, make, make install __linux

Autotools is a series of tools, consisting mainly of autoconf, Automake, Perl locales, and M4, and contains 5 commands: The following diagram is the flowchart used by Autotools: installation of Autotools: apt-get Install autoconf automake

Linux configuration Disable Enable IPv6

IPV6 is considered an alternative to IPv4, which is used to address the impending exhaustion of existing IPv4 address spaces.But for now, opening IPv6 may cause some problems. So sometimes we need to close IPv6.Here's how the IPv6 shutdown method

RABBITMQ Installing on Linux

Language environment InstallationFirst, compile the installation method1. Environment-dependent installation-if you need to install the Erlang locale with compilation, you need to install C + + compilation.-y install make gcc gcc-c++ kernel-devel m4

Linux system Installation


Installation and configuration of RABBITMQ under Linux

a Erlang installation1.RabbitMQ is based on Erlang, so you must first configure the Erlang environment.Download the latest Erlang installation package from Erlang's official website http://www.erlang.org/download.html, the version of Linux and

How to diagnose the performance of Linux in 60,000 milliseconds

Reproduced in: http://www.itxuexiwang.com/a/liunxjishu/2016/0225/168.html?145648414060,000 Performance diagnostics for Linux in millisecondsWhen you log on to a Linux server in order to solve a performance problem: What should you check in the first

Linux glibc security vulnerability cve-2015-7547 Repair and detection method

Reference Links: http://toutiao.com/i6253272495634252289/Vulnerability Information: https://rhn.redhat.com/errata/RHSA-2016-0175.htmlHere's how to do it: (Test in CentOS 6.5 environment)#####################################################1. View

Linux Compute string MD5/SHA1

Work sometimes need to calculate the string md5/sha1 to calculate or verify the password, Linux, unlike OS X can directly use the-s parameter, now summarize the commonly used methods.1. printf "string" |md5sum/sha1sum2. Echo-n "string"

Linux kernel upgrade 2 rpm

Linux kernel upgrade one, Linux kernel overview Linux is an integrated kernel (monolithic kernel) system. The device driver has full access to the hardware. Device drivers within Linux can be conveniently set up in a modular (modularize) format and

Linux (2) Date command

Feature Description: Displays or sets the system time and date.Syntax: Date[-D [-u][+%h%i%k%l%m%p%r%s%s%t%x%z%a%a%b%b%c%d%d%j%m%u%w%x%y%y%n%t] orDate [-S ][-u] [Mmddhhmmccyyss] or date [--help][--version]Supplemental NOTE: The first syntax can be

What does Linux chmod +755 and chmod +777 mean?

You can enter ls-al on the Linux terminal, you can see such as: -rwx-r--r--(altogether 10 parameters)The first one has nothing to do with chmod, regardless of the parameters.2-4 parameter: belongs to user5-7 parameter: belongs to group8-10

Linux--Ubuntu desktop installation Xampp

First, please download the latest version of XAMPP from www.xampp.org.installationIf it is a xampp compressed fileCopy the Xampp compressed file to the/OPT and unzip it. If your computer does not have a/opt directory, use the "sudo mkdir/opt"

Reproduced Getting Started with Ubuntu Linux (ii): Installing Ubuntu Linux

Reprinted from http://terrychen.info/ubuntu-linux-beginners-guide-ubuntu-installation/Getting Started with Ubuntu Linux (i): Before installing Ubuntu Linux, we've made the necessary preparations for installing Ubuntu Linux, and we're ready to start

LINUX under IPv6 socket programming

As we all know, with the increase of the number of hosts on the Internet, the existing 32-bit IP address is not enough, so the introduction of the next generation of IP address IPv6, write network program to slightly change the existing network

"Linux Command"--(1) File folder Operation Command 15

file Folder Operations Command++++++++++++++++++++++++++++++++++++++++List enter display folder ls CD pwdCreate a move delete file mkdir rm rmdir MV CP Touchview File Cat nl More Less head tail++++++++++++++++++++++++++++++++++++++++=============ls==

[Linux] Setting the system time zone

1. Check the current time zoneLog in as root.Date Fri Sep 5 A:£ ºWhere UTC refers to the currently used time system for world standard Time , also called World coordination Time . The English name is coordinated Universal time and the French name

Date of the Linux command I used-Display, modify system date Time

Date of the Linux command I used-Display, modify system date TimeThis article link: http://codingstandards.iteye.com/blog/1157513 (reproduced please specify the source)Description of UseThe ATE command can be used to display and modify the system

How to install Mac OS X 10.9 on VMware 10

How to install Mac OS X 10.9 on VMware 10 Recently, I need to create an App on the iPad. So I want to install an OS X 10.9 on a virtual machine and try it out. After dozens of attempts to install Mac OS X 10.9 on VMware 10, the correct method was

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