Trade data-driven policy analysis

List of the table of contents of this article:

• 1,Trade data-driven policy analysis u disk linuxSystem installation tutorial u disk linux installation tutorial
• 2, Linux Command Tutorial
• 3, Installation of programs in the linux system.Uninstall and upgrade tutorial
• 4, How to install dual-system win10 and linux
• 5. Detailed explanation of the graphic and text steps of cleaning up the Linux system junk file operation method

u disk linux system installation tutorial u disk lin Ux installation tutorial

The next step is to write the mirror image on the USB flash drive and plug your USB flash drive into the existing Linux system. VMWare can also recognize it. The command is very simple zcat boot.img.gz; /dev/sda or sdb.

Steps: Download Universal USB Installer software and the Linux system you need, such as CentOS, Ubuntu, etc.Steps Double-click to open the Universal-USB-Installer tool you just downloaded and start the installation. As shown in the figure below: Steps Click Accept the agreement to start the installation.

First of all, download the Ubuntu system, search for Ubuntu, and open the official website of Ubuntu. Then select the desktop version there to download. After selecting the version, click Download. Then jump to a web page, slide the page to the bottom, click notnow, takemetodown, and then download the system and save it to the hard disk.

The specific steps are as follows: First, prepare a larger 8GU disk, because the current mirror image is basically more than 3G, and the 4G USB disk may not have enough space. At the same time, download the installation mirror image of CentOS4 and the software UltraISO that burns the mirror image to the USB flash drive in advance.

Linux command tutorial

First, open the command console to find the file you want to edit, and execute the command ls to see how many files are below. I have an index.php file below. Then execute the command vi index.php.

Common commands and usages of linux include login, restart, shutdown, add/delete users, switch users, etc. Login # and $ # represent root users, and $ represents ordinary users.

Command: curl in Linux, curl is a file transfer tool that uses URL rules to work under the command line, which can be said to be a very powerful http command line tool. It supports the text.The upload and download of pieces are comprehensive transmission tools, but according to tradition, url is usually called a download tool.

Under the linux system, you can use the fdisk partition command and the mkfs file system creation command to make the partition of the mobile hard disk into the extext3 format unique to the linux system. In this way, it is more convenient to use under Linux. Use the following command to connect directly.

The basic operation command of linux is as follows: Check the kernel version: uname -a. Console-Graphical Interface: init 5 or startx. Graphical interface-console: init3 or log out directly. How to check the IP address: ifconfig. Configure ip: ifconfig eth0 ip address.

Linux common command: pwd command The English interpretation of this command is print working directory. Enter the pwd command, and Linux will output the current directory. Cd command The cd command is used to change the directory.

Installation of programs in the linux system. Uninstall and upgrade tutorial

1, delete the installation directory selected during installation and start OK. If the path of the program installation has been defined in the $PATH environment variable, then directly enter the command to execute it. If it is not installed in the $PATH environment variable, you can enter Install the directory and execute "./Pro_name, among which. It refers to the current directory.

2. First of all, there is no need to delete. Secondly, it is recommended to use yum or apt to solve the dependencies of software installation and uninstallation. Finally, rhel4 supports the --aid parameter, but rhel5 cancels it. I still suggest yum, which is more convenient.

3. In Windows, we can use the software's built-in installation uninstaller or "Add/Delete Programs" in the control panel to achieve it. Similarly, there is a powerful software installation and uninstall tool called RPM under Linux. It can be used to establish, install, query, update and uninstall software.

4. Method 1: Use apt-get to install (cenIn tos, it is yum) using apt-get install to install applications is the most common installation method. For example, I want to install the build-essential software. Using the following, he will help me install all the dependent packages together.

How to install dual-system win10 and linux

Well, when the file copy is completed, your Linux is installed. When you restart the computer, you will enter the GRUB startup program at the beginning. There are two options in the boot menu. The first one is Red Hat 9, and the second one is DOS, that is, Windows. You can choose which operating system you want to enter.

Prepare the LinuxMint boot disk to start the computer, enter LinuxLive, and write the downloaded mirror image to the USB disk with USBImageWrite. Open Gparted, adjust the partition, and divide an EXT3 partition forInstall Linux (note the partition number such as sda3), and then divide a SWAP partition (I used 5G).

First, download the latest LinuxISO image for backup. Then download, install and run the EasyBCD system boot software, click "Add New Entries" in the "EasyBCD Toolbox" on the left side of the software window, and then switch to "Linux/BSD" in the "Operating System" tab of the right window.

How to install win10 and linux dual systems: open the computer, install EasyBcd software, and then run EasyBcd software, look at the screenshot below, look at the indication of the red arrow, click, and finally open a text file, which needs to be written in the text file. Something.

Detailed explanation of graphic and text steps of cleaning up Linux system junk files

1. Empty the search bar and search for "linux-headers" now. If they have been installed, you should get a list of all the installed Linux title files related to the kernel installed on the system. The version number is accompanied by the kernel, so be sure that you have not cleared the title file of the current version.

2. Clean up useless files. First, find and delete useless files. Command line tools such as find and rm can be used to achieve it.

3. Then put the corresponding /bin/sbinCopy a copy of /etc/boot/lib and other necessary things (all operate with root), make sure that your startup configuration under /boot/etc is correct, and then restart it and change the inappropriate configuration. Please let me know if you find a good way.

4. quotlinux forced deletion of folders provides you with linux forced deletion folder graphic and text information, open the linux system, right-click 2 in the blank space of the linux desktop in the pop-up drop-down option, click open terminal 3 and enter rm in the terminal window. The rf+folder name command forcibly deletes the folder.

5. Which files under Linux are junk files? Temporary files generated during software installationFile Many software in bin format must first decompress its own installation file to a temporary directory (generally /tmp directory) before installation.

6. Method/Step 1: I use "SecureCRT" to connect to my Linux system through SSH2, as shown in the figure below. Method/Step 2: The command to delete the directory under Linux is "rm". We can enter " Rm--help" Check the specific usage of the rm command.