Linux

2010-01-15 10:32 Chinaitlab Chinaitlabfont Size:T | T In this article, we'll look at a variety of backdoor technologies, especially Linux's loadable kernel modules (LKM). We will find that the lkm backdoor is more complex, more powerful, and less

This design idea: first open a normal WAV audio file, from the 44 bytes in front of the defined file header, remove the file header definition message, placed in a file header structure. Then open the ALSA audio driver, from the file header

There are two types of links in Linux: Hard links and soft links (soft link), and soft links called Symbolic links (symbolic link) To create a command:Ln-s Softlink destfile/directory #建立软连接ln hardlink destfile #建立硬连接 InodeIn a Linux system, the

(1) permanent effect after reboot: Open: Systemctl enable Iptables.service'.Ln-s '/usr/lib/systemd/system/iptables.service '/etc/systemd/system/basic.target.wants/iptables.service 'Close: Systemctl Disable Iptables.service(2) immediate effect,

1, how to communicate between processes in the network?The local interprocess communication (IPC) is available in a number of ways, but can be summarized in the following 4 categories:Message delivery (pipeline, FIFO, Message Queuing)Synchronization

Linux systems use Arp-scan to check for IP address conflictsIf the IP address planning is not good, even if there is a unified IP address will make mistakes! Recommended server IP address use to register details, the last computer room batch

Ext.: http://linux.chinaitlab.com/command/829332.htmlOne, the ping parameter under LinuxUseSends a loopback signal request to the network host.Grammarping [-d] [-d] [-n] [-Q] [-r] [-v] [\-R] [-a addr_family] [-C Count] [-w timeout] [-f |-i \ Wait] [-

/*************************************** ******************************* Author: Samson* Date: 04/07/2014* Test platform:* 3.11.0-12-generic # 19-Ubuntu* GNU bash, version 4.2.45**************************************** ****************************/

Affected Versions: FileZilla Server 0.9.22 FileZilla Server 0.9.21 FileZilla Server 0.9.19 FileZilla Server 0.9.17 FileZilla Server 0.9.16 B FileZilla Server 0.9.9 FileZilla Server 0.9.8 c FileZilla Server 0.9.8 B FileZilla Server 0.9.8 FileZilla

PureftpdIt is an open source code software that is used on multiple types of Unix and complies with the GPL protocol. The following describes how he and PostgreSQL are used in combination. First, we should know what PostgreSQL is? PostgreSQL is an

With the prevalence of open-source Linux, its applications in large and medium-sized enterprises are gradually becoming more popular. Many enterprise application services are built on it, such as Web services, database services, and cluster services.

Bash shell Command (2), bashshell command In the previous article 《Bash shell Command (1)This section describes several simple linux shell commands. Address:Http://www.cnblogs.com/archimedes/p/bash-shell2.html, Reprinted, please specify the source

Linux Command Line Learning-dig (DNS queryer) In web development, the http protocol is always familiar, and the first process to be experienced before initiating an http request is DNS resolution. Simply put, it is how the domain name is finally

After the iOS, Android, and Mac platforms, Skype for Windows 8 began to support the video message function. Asynchronous communication is also becoming more diverse, including text/images, voice, and now video. In October February this year, Skype

VirtualBox is a free and cultural "Virtual Machine" software developed by Oracle. It has been released in version 4.2.12. After VirtualBox is installed, you can add multiple virtual machines (or "virtual computers") on your computer, and install

Configuration environment: Install ArcGIS 10 _ on Linux _01 install Linux Virtual Machine and configure yum SourceVirtual Machine created in Red Hat Enterprise Linux 5_5 64-bit pure net.zip 912M Installer: xubobo installation time: 2012-12-18

There are many types of high-availability clusters in linux, such as common heartbeat, corosync, rhcs, and keepalived. The emergence of these cluster software provides high-availability assurance for our business production environment, this article

GnuPG (GNU Privacy Guard or GPG): encryption and signature software based on the PGP (Pretty Good Privacy) mechanism in Linux PGP (Pretty Good Privacy) is a mail encryption software based on the RSA public key encryption system. It not only keeps

Red Hat high availability additional components allow you to connect to a group of computers (called nodes or members) used as clusters ). You can use the Red Hat high availability additional components to meet your cluster needs (for example, set a

In this tutorial, we assume that you already have an Ubuntu server running and the network has been set up and can be accessed through SSH. Apache2 is the default Web server used by many installed Linux distributions. It is not the only available