根据Ubuntu下的Linux手册页
CLOCK_MONOTONIC
Clock that cannot be set and represents monotonic time since
some unspecified starting point.
CLOCK_MONOTONIC_RAW (since Linux 2.6.28; Linux-specific)
Similar to CLOCK_MONOTONIC, but provides access to a raw hard‐
ware-based time that
我的服务器会时不时地向浏览器客户端广播一个数据包。
有没有办法计算出从包到包需要多长时间:
server --> client
我正在尝试计时,所以理想情况下我的JavaScript函数应该是这样的:
var travelTime = {amount of time it took packet to get to me};
setTimeout('myFunction()', 3000 + travelTime);
另外,我没有请求这个包,所以我不能记录发送时间,也不能在客户端记录接收时间。这个数据包请求不是双向的,因为我与服务器建立了一个套接字,而服务器有能力只触发我
当我要在Linux机器上配置IPA Cleint (FreeIPA)时,我得到了这个错误。
Kerberos authentication failed
kinit: Clock skew too great while getting initial credentials
Please make sure the following ports are opened in the firewall settings:
TCP: 80, 88, 389
UDP: 88 (at least one of TCP/UDP ports 88 has to be open)
A
我在内核中启用了选项CONFIG_RTC_SYSTOHC:
Device Drivers --->
[*] Real Time Clock --->
[*] Set the RTC time based on NTP synchronization
帮助说:
CONFIG_RTC_SYSTOHC:
If you say yes here, the system time (wall clock) will be stored in the RTC
specified by RTC_HCTOSYS_DEVICE approximately every
我正在Hyper-V集群上安装Debian 11 Linux来宾。主机的实时时钟被设置为本地时间,这是Windows的标准;与类似Unix的OSes不同的是。我是否应该在Linux来宾上执行timedatectl set-local-rtc 1,以与其主机保持一致?
在Linux系统服务器上将实时时钟设置为本地时间报告如下:
Warning: The system is configured to read the RTC time in the local time zone.
This mode can not be fully supported. It will create
免责声明:我不太擅长Linux,我主要是一个Windows管理员。
所以我在我的网络上部署了一堆Raspberry,而我面临的问题之一是它们无法保持正确的时间和日期。因此,我想我只需要安装NTP服务,并将它们指向我的Windows域控制器,它也可以作为NTP服务器工作。但似乎不起作用。这是我的ntp.conf文件:
# /etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help
driftfile /var/lib/ntp/ntp.drift
# Enable this if you want statistics to
这是在HypriotOS (Debian /Linux10)上运行在RaPi上的。
$ timedatectl show-timesync
Failed to parse bus message: Connection timed out
然后使用sudo执行此操作:
$ sudo timedatectl timesync-status
Failed to query server: Failed to activate service 'org.freedesktop.timesync1': timed out (service_start_timeout=25000ms)