2021-08-03 1. who 命令 who 命令显示关于当前在本地系统上的所有用户信息:登录名,线路,时间,备注 # 列出当前登录本系统的用户 who # 列出本系统的开机/重启时间 who -b 2. last reboot last reboot 可以看到系统历史启动时间 # 查看所有的登录信息 last reboot # 查看最后一次登录 last reboot|head -1 注:last 命令关于 reboot 记录的含义说明: https://www.cnblogs.com/c
linux的man页中对gettimeofday函数的说明中,有这样一个说明: $ man gettimeofday DESCRIPTION The functions gettimeofday and settimeofday can get and set the time as well as a timezone. The tv argument is a timeval struct, as specified in <sys/time.h>:
class UpdateDateTime { [DllImport("Kernel32.dll")] private static extern void SetLocalTime([In, Out] SystemTime st); public static void UpdateTime() { Uri uri = new Uri("http://www.beijing-time.org/time15.asp"); WebRequest request = We
<SCRIPT LANGUAGE = "JavaScript"> var xmlhttp = new ActiveXObject("MSXML2.XMLHTTP.3.0"); xmlhttp.open("GET", "http://bjtime.cn", false); xmlhttp.setRequestHeader("If-Modified-Since", "bjtime"