what is disk space usage

/* ---------------------------- Disk management -------------------------------------------*/----- 'Uuuid' ---- (universally unique identifier) 'universal unique identifier'1. The purpose of UUID is to allow all elements in a distributed system to

  Windows supports both FAT32 and NTFS file systems. FAT32 is longer than compatibility, and NTFS is longer than system security. On the premise of meeting the application requirements, how can we set a file system to make full use of the features

Prepare required tools and software ※S & R & S_V9.5.1118 SMART system encapsulation Tool ※Deploy. CAB (included in the system installation CD: \ SUPPORT \ TOOLS directory) ※Ghost_v8.0 & v8.2 (only v8.0 or later can support NTFS

CentOS File System parsing and related commands Introduction A file system is a logical set of all files in a partition or disk.The file system contains not only the data in the file but also the structure of the file system. All files, directories,

Ubuntu-The configuration defaults for GNOME Power Manager have not been installed correctly problem physical machine XP system, virtual machine Ubuntu system, a certain virtual machine cannot enter The Ubuntu system .:Solution Process: After

Summary of frequently-used CentOS commandsSome terminal commands are often used in centos or ubuntu linux. The following is a summary: ◆ Installation and logon commands: login, shutdown, halt, reboot, install, mount, umount, chsh, exit, and last;◆

Use Shell scripts to automate Linux maintenance tasks If a system administrator spends a lot of time solving problems and doing repetitive work, you should doubt whether this is correct. An efficient system administrator should make a plan to spend

Linux du and df commands Some people asked me about the command for viewing the directory size in Linux. Now I want to summarize the two commands du/df I learned a while ago. In the past, the df and du commands were used because the program could

Linux Performance Tuning Overview -What is performance tuning? (What)-Why performance optimization? (Why)-When do I need performance optimization? (When)-Where do I need performance tuning? (Where)-Who will perform performance optimization?

Learning shell together (8-2) File ProcessingRun the command: xargs ----------------------------------------------- to search for the file with the POSIX_OPEN_MAX symbol. [root@localhost test]# grep POSIX_OPEN_MAX /dev/null $(find /usr/include -type

10 recommended Linux utilities In this article, we have collected 10 tools that are very useful to Linux users, including network monitoring, system auditing, and other useful commands. These 10 Linux tools can help you improve your work and use

One linux Command every day (33): df command link: One linux Command every day (1): ls command http://www.bkjia.com/ OS /201210/163049.html#linuxlinuxcommand every day (2): cd command serial (3 ): pwd command Export (4): mkdir command

Summary of common Linux commands (5) disk management and common linux commands Disk Management Command Option Annotation Example Df [Option] Display disk space usage Displays the disk

CentOS system management commandsStat displays information about the specified file.02.cd /home/itcast03.stat familyA04.05.Who and w show online login users06.who07.08.Whoami displays the user's identity09.10.Hostname display Host

SHELL scripts have been studied in recent days. To facilitate Oracle O & M and simplify management, it is very necessary to learn some SHELL scripts. Through books and some online materials, I have compiled some excellent scripts, which are all

Mysql char varchar blob text performance details, varcharblob Char Fixed Length, up to 255 bytes. If the storage space is not full, a space will be filled on the right side of the data. Varchar The maximum length is 65536 bytes. When the varchar

Enterprise-levelDatabaseMost applications are deployed inRAIDThe disk array server can improve the disk access performance and implement fault tolerance/disaster tolerance.RAID (redundant disk array) is simply an array made of cheap hard disks. The

MySQL tmpdir Parameter Modification Today, I suddenly received an alert message saying that/the disk space usage exceeds the threshold. It was found that there were many abnormal SQL statements that could not be executed, resulting in continuous

In Linux, how does one view, kill, and start processes? (Common commands), common linux commands Keywords: linux Process query, killing process, Starting Process 1. Check the process Ps command to find the process-related PID: Ps a shows all

Common linux commands 1. Copy folders from other machines Format: scp-r folder name username @ machine name:/pathExample: scp-r search work@zjm-testing-ps23.zjm.baidu.com:/home/work/2. Check which program is using a specific port Format: netstat-nap