, buffer (buff) inside the memory.
Formula: Total=used + Free + buff/cache
The avaliable contains the free and Buffer/cache remaining portions.
PS command
PS aux
Static display of all processes
PS aux |grep nginx
View a process
[[emailprotected] ~]# ps aux |grep nginxroot 2757 0.0 0.0 112664 968 pts/0 R+ 20:57
PID: P
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Although the above network access optimization can achieve some scalability and manageability improvement, it is not enough to achieve the complete virtual network environment required by private cloud computing, on the one hand, virtual
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Note:ZVALEThis is also an article published by the IBM Research Institute, which may be an extension of VALE.
Currently, the data center network is dominated by two trends. One is for Lossless layer-2 fabrics, which is based on enhanced Ethernet and infiniband, by improving performance and performance. On the other hand, it is based
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occupied. Free can also add some parameters- m and- g(respectively, MB and GB units display) print memory usage, and even support- h optionPS commandviewing system processes using the PS command
[[Email protected] ~]# PS aux
There is a ps-elf command In addition to the PS aux command, but commonly used as PS aux commandPID: Indicates the ID of the process, which is useful. In Linux, the kernel management process relies on PID to identif
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You may have touched a lot of mobile hard disk, u disk, such as mobile storage devices. While virtual storage may be more or less used by all of you, the most common one may be a network hard disk (that is, a network disk). Tencent Micro Cloud can be said to be one of the cloud storage-related products. Micro Cloud Network
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Description: This article takes Azure international as an example, there are some differences in the Chinese version of the network location.1. SceneVirtual networks provide us with the ability to build network definitions on the Windows Azure Cloud computing environment, and with virtual networks, we can easily plan resources such as
third line is the swap partition.The first column total is the overall size (the default is KB, you can use-m to specify megabytes, or use-H to use the appropriate units), the second column used is used, the third column is the remaining, the fourth column shared is the share, the fifth column Buff/cache, Sixth column available.The system will reserve a bit of memory for Buff/cache (buff is buffered, cache is cached)Free view memory usage The main th
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