Linux

I. Network Monitoring Program commands Install the nmap package 1. nmap-s [T/U/P].-s indicates scan T indicates scanning TCP connections, and U indicates UDP connection P indicates ICMP 2. nmap-A IP_address/domian_name scan the Operating System 3.

1. List all processes in your current system. Which of the following processes did you start in the system? Highlighted. The init process was first started. 2. List the processes that occupy the highest memory in the current system. Highlights the

Preface: This article provides a broad description of interruptions, including the definition of interruptions, the classification of interruptions, the process of hardware interruptions in the computer, and the future prospects of interruptions.

Linux Study Notes-connect to ubuntu12.0.4 In the VM via ssh   Abstract: It mainly solves the problem that ssh remote ubuntu cannot be used. The remote tool is putty, xshell and javasut12.0.4 can also be used, but this should have no effect.  I.

Linux study notes -- sudo commands for common users   Abstract: This document mainly records how to solve the problem that common users cannot use the sudo command, and adds the advantages of using the sudo command.  1. Create a common user   The

The Host1Free VPS is installed with CentOS 5.8 Final. Run python-V (uppercase V) and you can see that the version is Python 2.4.3. This is indeed an old version, however, this is the latest version in the software library. Let's compile and install

Directory1. Summary of Report Content2. Installation Environment Description3. Detailed installation steps3.1 Installation started3.2 check the installation media3.3 enter the initial installation Interface3.4 select a language3.5 selection of

GRUB Password in Linux GRUB: On the boot loader menu, type [e] to enter the editing mode. (If you have set the GRUB Password, you must first enter [p] and enter the password you set before performing this operation! It can be seen that Linux

After the latest Ubuntu 14.04 version is installed, the wireless network card cannot be used. After trying to install the driver, the problem is solved. First, determine the wireless network card type: Lspci-vnn-d 14e4: For example, if my network

Cantata is a free and open-source music player. It is used as a Qt4 app in KDE Desktop. Cantata has the most important functions of a modern music player. The latest available version is Cantata 1.3.4. For detailed functions and updates, click this

This article is made up of two articles. Are: CentOS 6.4 Win7 dual system installation graphic details () and Windows 7 CentOS 6.4 dual system installation () The process of installing CentOS in the former is detailed, and the latter takes into

After IPython is installed in CentOS 6.4, you can press the shortcut key Alt + F2 to display the following screen: Enter ipython qtconsole -- pylab and press Enter: In this way, the ipython Qt-based console is displayed: The advantage of this is

First, the df-k Command finds that the Use % in the physical volume group No. 0 (there is only one physical volume group in the system) has reached 100%, and its mount point is the root directory. Then we need to check the space allocation in the

Input: localeOutput: LANG = zh_CN.UTF-8LC_CTYPE = "zh_CN.UTF-8"LC_NUMERIC = "zh_CN.UTF-8"LC_TIME = "zh_CN.UTF-8"LC_COLLATE = "zh_CN.UTF-8"LC_MONETARY = "zh_CN.UTF-8"LC_MESSAGES = "zh_CN.UTF-8"LC_PAPER = "zh_CN.UTF-8"LC_NAME = "zh_CN.UTF-8"LC_ADDRESS

Daily monitoring and debugging of Linux system performance is a heavy task for the system and network administrators. Five years after working as a Linux system administrator in the IT field, I gradually realized how difficult IT is to monitor and

1. List all processes in your current system. Which of the following processes did you start in the system? Highlighted. The init process was first started. 2. List the processes that occupy the highest memory in the current system. VcD4KPHA +

What is partition? Partitioning refers to telling the operating system that the disk is divided into several partitions by the cylindrical range. For example, 1-50 cylinders are used as sda1, and 51-cylinder are used as sda2 partitions. In this way,

Interrupt programs are generally included in the driver of a device. Therefore, interrupt handlers are essentially a kernel module. In the previous article, we also saw that a simple interrupt processing process is very similar to the kernel

--- IntroductionThe driver of MISC simple character device in Linux is simple but not flexible.Only device files with the master device Number 10 can be created.Character devices are easy to understand and can meet the needs of most simple hardware

Linux maps drivers to files. These files are called device files or driver files,Are saved in the/dev/directory. This design concept makes interaction with the Linux driver likeIt is as easy to interact with common files.--- Compile the Linux