Stealing pages from the kernel?Yes, stealing pages means that we bypass all the rules and interfaces assigned to pages and extract a free page directly from the freelist for use.
Look directly at the POC. Let me simulate a task_The allocation process for struct:
#include <linux/sc ...
Posted by Daleeburg on Wed, 20 May 2020 18:30:52 -0700
In Linux, to judge whether a PID corresponding process exists, you can judge it as follows
#! /usr/bin/env python
if __name__ == "__main__":
Returns True if the PID exists in the sy ...
Posted by banjax on Tue, 19 May 2020 07:52:33 -0700
Functional description: Back up files
Usage: tar [options]...Archive and Compress File Name FILE...
Note: The'-'may be omitted from the tar command option
Create an archive file in.tar format
Specify the destination folder when expanding the archive
Indicates the use of archive files
List V ...
Posted by Kazlaaz on Sun, 17 May 2020 09:40:41 -0700
Purchase domain name. Example: example.com
Set multiple secondary domain names. As shown in the figure:
To configure the tomcat file:
Modify the server.xml File:
The following configuration configures three containers with three different ports.
Please note three points: ① port number: Connector port; ② container name: portservice ...
Posted by kenchucky on Sun, 17 May 2020 08:11:31 -0700
Forward link http://www.python3.vip/tut/webdev/django/17/
Installing Redis on Linux
It is recommended to compile and install the source code, so that you can freely choose the Redis version to install.
For example, on centos 7, log in as root and execute the following commands to download, decompress, compile and install
wget http://downl ...
Posted by Hepp on Sun, 17 May 2020 03:31:23 -0700
In the previous blog post, I mainly talked about the simple management of lxc container on Linux. For a review, please refer to https://www.cnblogs.com/qiuhom-1874/p/12901493.html Today we will introduce lxc's image management tool, LXC WEB Panel;
Project download address: https://github.com/lxc-webpanel/LXC-Web-Panel.git；
1. Install Python fl ...
Posted by ki on Sat, 16 May 2020 22:56:33 -0700
Updated ubuntu20.04, the interface was good and the feeling was fine, so I started my Alchemy environmental configuration journey.
Remember that BIOS shuts down Secure Boot. [Important]
sudo gedit /etc/modprobe.d/blacklist.conf
Add on last line
sudo update-initramfs -u
Posted by ts10 on Sat, 16 May 2020 11:03:58 -0700
1. Install dockersystem information
[root@localhost yum.repos.d]# cat /etc/centos-release
CentOS Linux release 7.8.2003 (Core)
[root@localhost yum.repos.d]# uname -a
Linux localhost.localdomain 3.10.0-514.el7.x86_64 #1 SMP Tue Nov 22 16:42:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
1. Install yum extension ...
Posted by bugz-2849 on Sat, 16 May 2020 07:42:57 -0700
Ftrace and its functions
Ftrace is a tracker of the kernel, which helps developers to check the operation of the kernel, so as to better analyze performance problems.
Ftrace can help us analyze kernel specific events, track dynamic kernel functions, call stacks and stack usage. It can also help us track delays, such as when i ...
Posted by [n00b] on Thu, 14 May 2020 07:02:44 -0700
1, About docker
2, Three core concepts of docker
1. Mirror image
3, Basic operation of installation and docker
1. Installation and start up
2. Image operation of docker
3. Container operation of docker
1, About docker
Docker, as the most popular project in the open source community, is an open source tool for runnin ...
Posted by adityamenon90 on Wed, 13 May 2020 17:50:07 -0700