When loading CentOS-7.0-1406, there are many optional versions. For ordinary users, they don’t know which one to choose. Here is a brief introduction: (1) CentOS-xxxx-LiveCD.ios and CentOS-xxxx- What is the difference between bin-DVD.iso? The former only has 700M, and the latter has 3.8G. The difference is not only in size, but the more essential difference is that CentOS-xxxx-LiveCD.ios can only be loaded into the memory and run, and cannot be installed. Only CentOS-xxx-bin-DVD1.iso can be installed on the hard disk. (2) CentOS-xxx-bin-DVD1.iso, Ce

Open the centos7 page and appear: welcome to emergency mode! afterloggingin, type "journalctl -xb" to viewsystemlogs, "systemctlreboot" toreboot, "systemctldefault" to tryagaintobootintodefaultmode. giverootpasswordformaintenance(??Control-D???): Solution: execute r

How to decompress files in Baidu Netdisk? You can decompress files in Baidu Netdisk, but most friends don't know how to decompress files in Baidu Netdisk. Next is the graphic tutorial on how to decompress files in Baidu Netdisk brought by the editor. , interested users come and take a look! How to decompress files on Baidu Netdisk 1. First open the Baidu Netdisk APP and click the [File] function at the bottom of the main page to enter; 2. Then check the required files on the special area page; 3. Then click the [Download] button in the lower left corner; 4 , finally jump out to select the opening method window, and click OK in [Compressed File Viewer].

There is a lot of garbage in the tmp directory in the centos7 system. If you want to clear the garbage, how should you do it? Let’s take a look at the detailed tutorial below. To view the list of files in the tmp file directory, execute the command cdtmp/ to switch to the current file directory of tmp, and execute the ll command to view the list of files in the current directory. As shown below. Use the rm command to delete files. It should be noted that the rm command deletes files from the system forever. Therefore, it is recommended that when using the rm command, it is best to give a prompt before deleting the file. Use the command rm-i file name, wait for the user to confirm deletion (y) or skip deletion (n), and the system will perform corresponding operations. As shown below.

Set password rules for security reasons Set the number of days after which passwords expire. User must change password within days. This setting only affects created users, not existing users. If setting to an existing user, run the command "chage -M (days) (user)". PASS_MAX_DAYS60#Password expiration time PASS_MIN_DAYS3#Initial password change time PASS_MIN_LEN8#Minimum password length PASS_WARN_AGE7#Password expiration prompt time Repeat password restriction use [root@linuxprobe~]#vi/etc/pam.d/system-auth#nearline15:

Compressing HTML files into ZIP can improve page loading speed. Methods include: using online tools (such as FileOptimizer, TinyPNG) using command line tools (such as gzip, 7-zip) using Node.js scripts (using the zlib module)

Quark Network Disk is a storage tool used by many users. Many users here are asking how to decompress files without membership in Quark? Now let this site introduce to users in detail the method of decompressing files without membership by Quark. Quark membership-free decompression file method: 1. Start the Quark network disk software on the computer, enter [All Files] in [Cloud Files], and then find the compressed package file you want to decompress. 2. Check the compressed package file, then press the right button of the mouse and select the [Cloud Decompression] function from the pop-up options. 3. Of course, you can also click the [Cloud Decompression] function button in the upper right corner of the interface after selecting the compressed package file. 4. Then, the software will pop up the corresponding window, select all files, of course

The zip command is a very useful compression tool in Linux systems. By using the zip command, you can easily compress files and directories into a zip file and save storage space and facilitate transfer. The basic syntax of the zip command is "zip [options] [compressed file name] [file or directory to be compressed]".