l在linux系统的目录/var/run下面一般我们都会看到很多的*.pid文件。而且往往新安装的程序在运行后也会在/var/run目录下面产生自己的pid文件。那么这些pid文件有什么作用呢?...(1) pid文件的内容:pid文件为文本文件,内容只有一行, 记录了该进程的ID。 用cat命令可以看到
1、lsof -i:端口号 用于查看某一端口的占用情况,比如查看8000端口使用情况,lsof -i:8000 # lsof -i:8000 COMMAND PID USER FD TYPE...4395053 0t0 TCP *:irdmi (LISTEN) 可以看到8000端口已经被轻量级文...
root@localhost ~]# ps auxUSER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMANDroot 1 0.0 0.0 125900 4368 ? Ss 10:15 0:01 /usr/lib/systemd/systemd --switched-root --system --deserialize 22root 2 0.0 0.0 0 0 ? S 10:15 0:00 [kthreadd]root 4 0.0 0.0 0 0 ? S< 10:15 0:...
每个运行级别在/etc目录下面,都有一个对应的子目录,指定要加载的程序,如/etc/rc2.d "rc",表示run command(运行程序),最后的d表示directory(目录) [root@VM-165-116-centos etc]# ls-l/etc/rc2.d/total0lrwxrwxrwx1root root17Aug182020K90network->../init.d/network lrwxrwxrwx1root root19Aug182020...
arg_end %lu (since Linux 3.5) (49) Address below which program command line is placed. env_start %lu (since Linux 3.5) (50) Address above which program environment is placed. env_end %lu (since Linux 3.5) (51) Address below which program environment is placed. exit_code %d (since ...
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME httpd 20818 apache cwd DIR 253,0 4096 2 / httpd 20818 apache rtd DIR 253,0 4096 2 / httpd 20818 apache txt REG 253,0 354816 659107 /usr/sbin/httpd httpd 20818 apache mem REG 253,0 31992 6284 /lib64/libnss_sss.so.2 ...
1. 关闭MySQL服务:在Linux系统中,可以使用以下命令关闭MySQL服务:service mysqld stop 在Windows系统中,可以使用以下命令关闭MySQL服务:C:\> net stop MySQL 2. 启动MySQL服务:在Linux系统中,可以使用以下命令启动MySQL服务:service mysqld start 在Windows系统中,可以使用以下命令启动MySQL服务:C:...
Linux指令入门-系统管理 本场景将介绍Linux中常用的系统工作命令以及系统状态检测命令 1 MAKRER=SHOW_LOCALE;printf $MAKRER""; locale; MAKRER=SHOW_LOCALE;printf $MAKRER""; 2 CHECK_TYPE=SHELL; echo "INFO=${CHECK_TYPE} PID=$$ PPID=$PPID TTY=$(tty) SHELL=$0 HOME=$HOME PWD=$PWD| CHECK_SHELL_...
Lines 10 to 18 indc997bd functionwithGolang($version) { Write-Host"-- Install golang --" choco install-y golang--version$version $env:ChocolateyInstall=Convert-Path"$((Get-Commandchoco).Path)\..\.." Import-Module"$env:ChocolateyInstall\helpers\chocolateyProfile.psm1" ...
Build command: gcc -framework CoreServices -framework IOKit -o search_usb_vid_pid search_usb_vid_pid.c Source: #include<stdio.h>#include<string.h>#include<unistd.h>#include<fcntl.h>#include<sys/ioctl.h>#include<errno.h>#include<paths.h>#include<termios.h>#include<sysexits.h>#include<...