find pid of process

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Linux Kernel principle-pid namespace

ObjectiveThe last few nights in the process related to the kernel principle, just see the PID this block, it does not seem very complicated, but the introduction of the PID namespace added some data structure, it does not seem so clear, referring to

is to start the init process. This process is the first process of the system, the PID is 1, also called the super process

To say clear Systemd, you have to start with the Linux operating system started speaking. The startup of the Linux operating system starts with the BIOS, then the boot Loader loads into the kernel and initializes the kernel. The final step in kernel

[Reprint] Linux process management-----PID Hash List

In order to get the corresponding host structure (process descriptor) pointer from the given PID value quickly, the kernel adopts the structure of the PID hash list. First, the following questions to understand: 1) Why the PID hash list only defines

Linux gets process name and gets process PID based on PID (C language gets PID) _c language

Liunx lookup process PID through the process name can be found by pidof [process name]. Conversely, there is no relevant command for the same search process name through PID. In the Linux root directory, there is a VFS (virtual file system) in/proc,

Namespace PID namespace in Linux kernel

Before looking at the Linux PCI device initialization, see a bit dizzy, and then hand-over the notes written before, at the same time rest!! ~(@^_^@)~ This piece of article is written before, which refer to some of the blog of the Daniel!!the

Use an independent PID namespace to prevent mistaken killing of processes

A piece of wrong code First, let's look at an error code: #! /Bin/bashslice = 100; slppid = 1; pidfile =/var/run/vpnrulematch. pid # Stop the previous sleepkill_prev () {pid = $1;/bin/kill-0 $ PID; exist = $? Ppid = $ (/bin/CAT/proc/$ PID/status

Linux identity process

First, prefaceIn fact, two years ago, this site has a document about the process identity, but very simple, and the code is from the 2.6 kernel. With the introduction of the concepts of Linux container, PID namespace and so on, process

Ubuntu view process PID and end unresponsive program

ubuntu view process pid and knot Bundle No Response program Occasionally, in a Windows system, the program does not respond to the situation, we all know that the use of shortcut keys Ctrl+alt+del Pull Task Manager, and then end the unresponsive

How to find the PID through the Iisapp command to solve the problem of high CPU usage of IIS _win server

Let's take a look at some of Iisapp's parameters. Iisapp-a PID can find the corresponding domain name Conversely iisapp-p domain to check the syntax of the PID Iisapp [A/ AppPoolName | /P AppPoolId] Parameters /A AppPoolName Specifies the name

Find the corresponding SQL statement using the PID in the operating system, and find the SQL statement using the pid.

Find the corresponding SQL statement using the PID in the operating system, and find the SQL statement using the pid.In linux, we generally use the TOP command to view the processes with the largest performance consumption. If oracle is used, we

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