what is disk usage

Common Linux commands (27th)-df In linux, the df command is used to check the disk space usage of the file system of the linux server. You can use this command to obtain the space occupied by the hard disk and the remaining space. 1.Command

Some commands to be mastered in CentOSDetails: 1. tar Create a new tar file $ tar cvf archive_name.tar dirname/ Decompress the tar file $ tar xvf archive_name.tar View tar files $ tar tvf archive_name.tar2. grep Search for strings in files (Case

Detailed DF command usage A: displays the disk usage of all file systems and partitions.I: displays the I-nodes usage.K: The size is represented by K (default)T: displays the disk usage of all partitions in a file system.X: displays the disk

Common Linux commands (27th) and common linux commands In linux, the df command is used to check the disk space usage of the file system of the linux server. You can use this command to obtain the space occupied by the hard disk and the remaining

Vi. Linux/UNIX operating command accumulation [kill, netstat, df, du], netstatduIn Linux/UNIX, users often use the text interface to set the system or operating system. The author is constantly in touch with this command during his work, therefore,

IT administrators are constantly looking for new tools to make their lives easier. If these tools are free, they will be better ). I am usually very careful when downloading tools, especially for tools that don't require delivery but are expensive

We tested the performance of Mongodb's hundreds of millions of data records and tested the following items:  All inserts are performed in a single thread, and all reads are performed in multiple threads) 1) normal insertion performance: Each

First, check the hard disk read speedCommand: Hdparm-t/dev/sda5Printed: Timing buffered disk reads:254 MB in 3.01 seconds = 84.34 mb/secDescription: Be able to specify which hard disk to query for!Second, find the most consumption of iowait

disk-to-directory capacityNow we know that the overall data of the disk is in the Superblock block, but the capacity of each individual file is recorded in the Inode. How do you call these data under the text interface? Let's talk about these two

Journalctl [OPTIONS ...] [MATCHES ...]Query the journal.Flags:--system Show the system journal--user Show the user journal for the current user-M--machine=container Operate on local CONTAINER--since=date Show entries not older than the specified

Article Title: Use the disk quota to manage Linux user accounts. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

1.top commandThe top command shows the resource usage of each process in the system in real time. Use the top command output as follows:650) this.width=650; "src=" Https://s2.51cto.com/wyfs02/M02/8E/A0/wKiom1jHVJLgHSbjAACsB_s6xy0204.png "title=" _ 20

1.top commandThe top command shows the resource usage of each process in the system in real Time. Use the top command output as Follows:650) this.width=650; "src=" Https://s2.51cto.com/wyfs02/M02/8E/A0/wKiom1jHVJLgHSbjAACsB_s6xy0204.png "title=" _ 20

Iostat for output CPU and disk I/O-related statisticsCommand parameters-C Display of CPU usage-D Display disk usage-K displays in kilobytes-m displays in units of M.-N Display of disk array (LVM) information-N Display of NFS usage-p[disk] Displays

Linux commands1. Ls-a,–all lists all files in the directory, including the. The implied file at the beginning-L The file's permissions, owner, file size, and other information, in addition to file names2. CD CD/system root directory3.PWD pwd–p Show

Linux for viewing process commands are also very powerful, commonly used such as: PS TopBut there is less uniformity in disk performance monitoring.Here are some of the disk monitoring commands, here just to play a role, detailed use of parameters

Ubuntu view files and disk space size management(1) View file sizeView all file sizes (including subfolders) under the current folderDu-sh# du-h15M./package16K./.fontconfig4.0K./.cache5.1M./.rpmdb20M.Du-sh * | grep G28G

DF DF (disk free)function Description:Displays information about the disk.Syntax:DF [-ahhiklmpt][--block-size=][-t ][-x ][--help][--no-sync][--sync][-- version][file or device]Additional notes:DF Displays the disk's file system and usage

RAID cards are generally divided into hard raid card and soft RAID card two kinds of hardware to achieve the RAID function is hard raid, independent RAID card, the motherboard integrated RAID chip is hard raid. RAID cards using the software and CPU

Experience of using DF, DU, fdisk:linux Disk Management kickDisk is a very important resource in Linux system, how to effectively manage it directly affects the performance of the whole system. In commonly used commands, DF is used to check file