Linux

with Nmap Scan the local area network again, and then view ARP Cache tables to know what's in the local area IP corresponding to the mac up. nmap is powerful and can scan mac addresses and ports directly. After performing the scan, you can

The purpose of multi-process and multi-threading is to maximize the use of CPU resources, when a process does not need to consume too much CPU resources, but requires I/O resources, I/O multiplexing can be used, the basic idea is to let the kernel

Configuration of the Linux networkFirst, configure the networkVi/etc/sysconfig/network Configuring the NetworkVi/etc/sysconfig/network-scripts/ifcfg-eth0Device= "eth0:0"Ipaddr= "192.168.1.100"netmask= "255.255.255.0"Second, modify the

1. The original intention of installing rlwrap;2. Installation of Rlwrap tools and problems encountered;3. Using the Rlwrap tool; 1. The original intention of installing Rlwrap:In Windows use Sqlplus are can use up and down around the direction of

2014-06-11 Check the Linux system log find the errorr: Jun 9 11:18:49 hostname avahi-daemon [3640]: Invalid query packet.Jun 9 11:19:29 hostnam elast message repeated 7 times Jun 9 11:22:06 hostnam eavahi-daemon [3640]: Invalid query packet. Jun 9 11

In some distributed applications, the clock consistency of the system is often required. For example, HBase databases built on Hadoop and cluster applications. The following describes how to set the CentOS (or Red Hat Linux) time zone. Check the

CentOS 7 QA is released and is now available for download. Note: this is not the final version of CentOS 7. Other considerations: -This is not the final version of CentOS 7, so the installation package, ISO, and installation media may be modified.

Configure the Android development environment in Ubuntu 14.04 First, configure JDK. It has been configured just now. Address: Then configure Android SDK, first download Android SDK, address: http://developer.android.com/sdk/index.html#download Build

Install and configure JDK1.7.0 _ 55 in Linux 1. Environment: # Lsb_release- LSB Version: core-4.0-amd64: core-4.0-ia32: core-4.0-noarch: graphics-4.0-amd64: graphics-4.0-ia32: graphics-4.0-noarch: printing-4.0-amd64: printing-4.0-ia32:

NetBeans 8.0 is just released. If you haven't installed it yet, this short tutorial will show you how to install it quickly on Ubuntu. This article will be a good guide for developers who need help in installing NetBeans. To those who do not know

Terminator is a program that allows users to freely deploy multiple GNOME terminals without using the window manager. It is suitable for users who need to open multiple terminals at the same time. Ubuntu 14.04 right-click Terminal settings Linux

FFmpeg is a popular multimedia framework. Its detailed functions are not described much. For more information, see Wikipedia. The latest ffmpeg 2.2.2 version has been released recently. For release information, see the announcement on the official

Displays disk space usage. Df [options] [filesystem-list] The utility df (disk free) reports the total space and free space of each mounted device. Reasons for inconsistent usage of disk space displayed by df and du and troubleshooting Linux Command

When the disk size exceeds the standard, an alarm is triggered. it is wise to master the df and du commands. Df allows you to view the size, usage ratio, file system, and its mount point of a level-1 folder, but there is nothing to do with files.Du

This is my personal agreement. You can take the essence or ignore it, but it is best for you and your team to have some form of agreement! :)Respect existing project agreements This is rare, but when you submit code or patches to an open-source

Pinta is an open-source drawing application, similar to painting. It has a simple and intuitive interface that allows users to perform basic photo processing. Without advanced features of GIMP, GIMP provides basic plotting functions, undo-it-is-free,

Sometimes we want to encrypt our sensitive information in full encryption mode. you can use the Kali installer to install it to the hard disk or the encrypted LVM logical volume of the USB flash disk. in addition to encrypting the LVM logical volume,

I believe many of you have upgraded Chrome 35. Chrome35 uses its own Aura instead of GTK +. It also adds some annoying things, such as some windows with black borders, the Chrome icon will be displayed in the status bar, which looks very

    Operating Environment: CentOS 6.5 64bit What files are shared between Linux and Linux? NFS, Windows, and Windows? The file sharing function is OK. What about Windows and Linux? This is what we will talk about in this section-samba.Check whether

Date command usage: [Root @ apache ~] # Date // view the current system time Sat Jun 14 13:46:02 CST 2014   [Root @ apache ~] # Date-s "" // modify the current system time Sun Jun 7 12:30:00 CST 2015   [Root @ apache ~] # Date + % T // display the