Show or set the name of current NIS (Network Information Services) domain. dosfsck Check and repair MS-DOS file systems. du Show disk usage summary for a file(s). dump Backup utility for ext2/ext3 file systems. dumpe2fs Dump ext2/ext3/ext4 file systems. dumpkeys Show information about...
具体解决方法可以在MySQL中运行show full processlist命令查看线程等待情况,把其中的语句拿出来进行优化。 场景4:外接硬盘故障,常见有挂了NFS,但是NFS server故障 比如我们的系统挂载了外接硬盘如NFS共享存储,经常会有大量的读写请求去访问NFS存储的文件,如果这个时候NFS Server故障,那么就会导致进程读写请求一直获取不到...
-o:不显示缓冲区调节列。 [root@localhost ~]# free --helpUsage:free [options]Options:-b, --bytes show output in bytes--kilo show output in kilobytes--mega show output in megabytes--giga show output in gigabytes--tera show output in terabytes--peta show output in petabytes-k, --kibi sh...
Method 3: Check free disk usage graphically Checking free disk space graphically is much easier in Ubuntu with the Disk Usage Analyzer tool. Disk Usage Analyzer Tool You’ll see all the actual disks and partitions here. You may have to mount some partitions by clicking on them. It displays ...
The Disk class of metrics provides information about disk device usage. These statistics apply to the entire drive. When a device has multiple file systems, the counters for that device are, effectively, aggregated across all file systems. ...
Find Disk Usage of Directory How to Find the Directory Size in Human Readable Format 2.By employing the'-h'option with the ‘du‘ command, you can obtain results in a ‘Human Readable Format‘, which enables you to view sizes in units such as Bytes, Kilobytes, Megabytes, Gigabytes, and...
determine if the type of drive or SCSI adapter causing a bottleneck.trcstop if the filemon cmd is invoked, run trcstop to stop the cmd os that the filemon reports can be generated.iostat -d disk utilization report -t TTY and CPU usage.%iowait + %tm_act metrics provided by the ...
The following sections describe usage of the DMIC module to perform stereo capture and mono capture on left or right channel. Stereo Capture These examples show how to capture stereo data from DMIC3 via ADMAIF: $ amixer -c APE cset name="ADMAIF Mux" DMIC3 #Gain must be tun...
When you want to output the contents of a file or print anything to the terminal output, we use thecatorechocommands. Let’s see their basic usage. root@ubuntu:~# cat <file name>root@ubuntu:~# echo <Text to print on terminal>
Linux has a bunch of useful commands to simplify certain operations on the system.df, for instance, helps you determine how much free disk space you have on a drive, whereasdushows the estimated file space usage on your system. While both these commands work well and do their job as inten...