Linux

before we first know the operating architecture of the virtual machine, we are beginning to learn linux when, if in our true pc linux The operating system goes up with a KVM virtual machine, but you're sure you want to give up windows

SCP is the abbreviation for secure copy, and SCP is a secure remote file Copy command under the Linux system based on SSH login. The SCP command for Linux allows you to copy files and directories between Linux servers.Usefulness of the SCP

In Linux, a signal is a way of communicating between processes, and it uses an asynchronous mechanism. When the signal is sent to a process, the operating system interrupts the normal process of the process and enters the appropriate signal handler

Wireshark is a very popular protocol analysis software. Naturally you can grab the packet on the net.sudo apt-get install WiresharkFor security reasons, ordinary users can not open the network card device to grab the packet, Wireshark does not

Reprint Please specify the Source: http://blog.csdn.net/suool/article/details/38515863shared memory can be described as a mapping of an area ( segment) of memory that can be shared by more processes. This is the fastest form of the IPC mechanism

Compressed Zip package under Windows, after decompression in Ubuntu display as garbled problem1.zip files after decompression file name garbled:The first step is to install 7zip and CONVMV first (if not previously installed)Execute the installation

OSSEC official website http://www.ossec.net/ossec Help documentation http://ossec-docs.readthedocs.org/en/latest/manual/index.htmlOssec is an open source host-based intrusion detection system that performs log analysis, file integrity checks,

Reprint Please specify source: http://blog.csdn.net/suool/article/details/38318225Part of the content is organized from the network, here thank you to the great God.Linux file types and permissions Data RepresentationThe file property stores the

The essentialThe key to high-performance network servers is concurrency, how to use multi-core servers efficiently, and allow multiple threads to process programs concurrently.concurrency mode Time-based parallelism Space-based

Three ways to view the UUID of a device are summarized below:1 Command view: Blkid2 file Views: Ls-l/dev/disk/by-uuid3 Command view: VOL_ID/DEV/SDA1The role and significance of UUID1: It's really the only signThe UUID provides a unique

Personal Practice:Rebooting the system2. In countdown time, tap any key3. Press the letter E to edit4. Select the line beginning with kernel, edit the letter E again, then tap the space to enter the number 1, then hit enter. Enter single-user mode

One linux Command every day, and one linux Command 2014-08-19 Redirection symbol greater than sign: redirects a command execution result (standard output, or error output, which is originally printed on the screen) to other output devices (files,

Jira 6.0.7 linux installation, jira6.0.71. Download 1. JDK download: http://www.oracle.com/technetwork/java/javase/downloads/index.html 2, Mysql driver download: http://dev.mysql.com/downloads/connector/j Mysql download:

[Shell] basic Shell functions: Historical commands & aliases, and basic shell functions Bytes -------------------------------------------------------------------------------------------------------- I. History commands 　　History# View historical

Install VNC server and ubuntuvnc in Ubuntu Although we can use ssh to log on to the Ubuntu server in most cases, sometimes our program needs to run in the graphical interface. In this case, we need to use the vnc server software. Installing the vnc

How to Use QEMU to simulate Raspberry Pi The following describes how to use QEMU to simulate Raspberry Pi. After using this method, the system can be tested without a Development Board. Development Environment The Host OS environment used for

EXP auto-export the specified table script and exp auto-export script ########### Crontab settings ########### 30 1 ***/home/oracle/backup/backupsh/expfull. sh     ########### Expfull. sh settings ########### /Home/oracle/backup/backupsh/tables.

Laruence's linux Private food-Chapter 1 startup process, module management and loader, and Chapter 2 20.1 Linux Startup Process Analysis Linux Startup Process: After you press the power on, the computer hardware actively reads the BIOS to load

Install Openvpn in CentOS Principle: The core technology of OpenVpn is virtual Nic, followed by SSL protocol implementation. Here we will introduce the virtual nic and its Working Mechanism in OpenVpn: A virtual Nic is a driver software implemented

Linux script command-the recorder in the terminal When you work on a terminal or console, you may want to record what you do on the terminal. These records can be used as historical materials to save what happened on the terminal. For example, if