在基于 Linux 的系统上，我安装了 ntp 服务来同步日期/时间，但我没有看到同步。
我使用“systemctl status ntp”然后使用“ps aux”检查服务是否正在运行
systemctl status ntp
● ntp.service - LSB: Start NTP daemon
Loaded: loaded (/etc/init.d/ntp)
Active: active (exited) since Fri 1970-01-09 02:05:38 UTC; 36min ago
Process: 14186 ExecStop=/etc/init.d/ntp stop (code=exited, status=0/SUCCESS)
Process: 16174 ExecStart=/etc/init.d/ntp start (code=exited, status=0/SUCCESS)
Jan 09 02:05:38 pegase2-mosiwind systemd[1]: Started LSB: Start NTP daemon.
Jan 09 02:05:38 pegase2-mosiwind ntpd[16181]: proto: precision = 30.518 usec
Jan 09 02:05:38 pegase2-mosiwind ntpd[16181]: Listen and drop on 0 v4wildcard 0.0.0.0 UDP 123
Jan 09 02:05:38 pegase2-mosiwind ntpd[16181]: Listen and drop on 1 v6wildcard :: UDP 123
Jan 09 02:05:38 pegase2-mosiwind ntpd[16181]: Listen normally on 2 lo 127.0.0.1 UDP 123
Jan 09 02:05:38 pegase2-mosiwind ntpd[16181]: Listen normally on 3 eth0 192.168.126.10 UDP 123
Jan 09 02:05:38 pegase2-mosiwind ntpd[16181]: Listen normally on 4 lo ::1 UDP 123
Jan 09 02:05:38 pegase2-mosiwind ntpd[16181]: Listen normally on 5 eth0 fe80::250:c2ff:fe43:b419 UDP 123
Jan 09 02:05:38 pegase2-mosiwind ntpd[16181]: peers refreshed
Jan 09 02:05:38 pegase2-mosiwind ntpd[16181]: Listening on routing socket on fd #22 for interface updates
以及 ps aux 命令
ps aux
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.7 5344 3812 ? Ss Jan01 4:32 /sbin/init
root 2 0.0 0.0 0 0 ? S Jan01 0:01 [kthreadd]
root 3 0.0 0.0 0 0 ? S Jan01 3:49 [ksoftirqd/0]
root 5 0.0 0.0 0 0 ? S< Jan01 0:00 [kworker/0:0H]
root 7 0.4 0.0 0 0 ? S Jan01 53:48 [rcu_sched]
root 8 0.0 0.0 0 0 ? S Jan01 0:00 [rcu_bh]
root 9 0.0 0.0 0 0 ? S Jan01 0:00 [migration/0]
root 10 0.0 0.0 0 0 ? S Jan01 0:00 [kdevtmpfs]
root 11 0.0 0.0 0 0 ? S< Jan01 0:00 [netns]
root 12 0.0 0.0 0 0 ? S< Jan01 0:00 [perf]
root 73 0.0 0.0 0 0 ? S< Jan01 0:00 [writeback]
root 306 0.0 0.0 0 0 ? S< Jan01 0:00 [crypto]
root 307 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 309 0.0 0.0 0 0 ? S< Jan01 0:00 [kblockd]
root 482 0.0 0.0 0 0 ? S< Jan01 0:00 [rpciod]
root 501 0.0 0.0 0 0 ? S Jan01 0:00 [kswapd0]
root 502 0.0 0.0 0 0 ? S< Jan01 0:00 [vmstat]
root 503 0.0 0.0 0 0 ? S Jan01 0:00 [fsnotify_mark]
root 504 0.0 0.0 0 0 ? S< Jan01 0:00 [nfsiod]
root 559 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 560 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 561 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 562 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 563 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 564 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 565 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 566 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 567 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 568 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 569 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 570 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 571 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 572 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 573 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 574 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 608 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 611 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 614 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 617 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 620 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 623 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 626 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 629 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 644 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 649 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 654 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 659 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 664 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 670 0.0 0.0 0 0 ? S Jan01 1:08 [spi1]
root 673 0.0 0.0 0 0 ? S Jan01 0:00 [spi2]
root 675 0.0 0.0 0 0 ? S Jan01 0:00 [spi3]
root 677 0.0 0.0 0 0 ? S Jan01 0:00 [spi4]
root 730 0.0 0.0 0 0 ? S< Jan01 0:00 [kpsmoused]
root 774 0.0 0.0 0 0 ? S< Jan01 0:00 [deferwq]
root 776 0.0 0.0 0 0 ? S Jan01 0:00 [irq/72-48070000]
root 784 0.0 0.0 0 0 ? S Jan01 0:00 [irq/23-TWL4030-]
root 840 0.2 0.0 0 0 ? S Jan01 32:51 [irq/77-48060000]
root 861 0.0 0.0 0 0 ? S< Jan01 0:00 [bioset]
root 862 0.0 0.0 0 0 ? S Jan01 4:46 [mmcqd/0]
root 870 0.0 0.0 0 0 ? S< Jan01 0:24 [kworker/0:1H]
root 871 0.0 0.0 0 0 ? S Jan01 1:33 [jbd2/mmcblk0p2-]
root 872 0.0 0.0 0 0 ? S< Jan01 0:00 [ext4-rsv-conver]
root 876 0.0 0.0 0 0 ? S< Jan01 0:00 [ipv6_addrconf]
root 1414 0.0 0.6 8152 3148 ? Ss Jan01 7:00 /lib/systemd/systemd-journald
root 1599 0.0 0.5 10732 2728 ? Ss Jan01 0:02 /lib/systemd/systemd-udevd
root 1707 0.0 0.0 0 0 ? S< Jan01 0:00 [cfg80211]
root 1712 0.0 0.0 0 0 ? S< Jan01 0:00 [wl12xx_wq]
root 1737 0.0 0.0 0 0 ? S Jan01 0:00 [irq/170-wl18xx]
root 1828 0.0 0.4 3472 2012 ? Ss Jan01 0:03 /usr/sbin/cron -f
root 1835 0.0 0.8 7928 4404 ? Ss Jan01 0:00 /usr/sbin/sshd -D
root 1842 2.9 1.7 82548 8600 ? Ssl Jan01 346:51 /usr/bin/Zeus
root 1856 0.0 0.4 3372 2088 ? Ss Jan01 0:56 /lib/systemd/systemd-logind
message+ 1861 0.0 0.6 5588 3056 ? Ss Jan01 1:47 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
root 1891 0.0 0.7 31368 3608 ? Ssl Jan01 1:38 /usr/sbin/rsyslogd -n
root 1920 0.0 0.3 2428 1576 tty1 Ss+ Jan01 0:00 /sbin/agetty --noclear tty1 linux
root 1927 0.0 0.3 2248 1524 ttyO2 Ss+ Jan01 0:00 /sbin/agetty --keep-baud 115200 38400 9600 ttyO2 vt102
root 1939 0.0 0.0 0 0 ? S Jan01 0:00 [irq/338-4902000]
root 1952 0.0 1.2 8688 6108 ? Ss Jan01 0:00 dhclient -v -pf /run/dhclient.eth0.pid -lf /var/lib/dhcp/dhclient.eth0.leases eth0
root 3541 0.0 0.4 3436 2484 ? Ss 00:44 0:00 /bin/bash /etc/SAGE_launcher.sh
root 3585 0.0 0.0 0 0 ? S 00:44 0:05 [irq_dealer]
root 3602 0.0 0.5 5620 2704 ? S 00:44 0:00 sudo sage
root 3606 4.7 5.1 187188 25748 ? Sl 00:44 4:38 sage
root 12328 0.6 0.0 0 0 ? S 01:40 0:17 [kworker/u2:3]
root 14378 0.7 0.0 0 0 ? S 01:54 0:13 [kworker/u2:1]
root 15070 0.0 0.0 0 0 ? S 01:58 0:00 [kworker/0:0]
root 16225 0.0 0.0 0 0 ? S 02:05 0:00 [kworker/0:2]
root 17392 1.1 0.0 0 0 ? S 02:13 0:05 [kworker/u2:2]
root 18361 0.0 0.0 0 0 ? S 02:20 0:00 [kworker/u2:0]
root 18377 0.0 0.0 0 0 ? S 02:20 0:00 [kworker/0:1]
root 18623 2.5 0.9 11416 4904 ? Ss 02:21 0:00 sshd: pegase [priv]
pegase 18633 1.0 0.7 11416 3508 ? S 02:21 0:00 sshd: pegase@pts/0
pegase 18637 0.5 0.5 3632 2848 pts/0 Ss 02:21 0:00 -bash
root 18650 6.0 0.5 4592 2584 pts/0 S 02:21 0:00 sudo su
root 18660 4.0 0.4 4424 2340 pts/0 S 02:21 0:00 su
root 18665 3.0 0.5 3620 2844 pts/0 S 02:21 0:00 bash
root 18670 0.0 0.3 3096 1692 pts/0 R+ 02:21 0:00 ps aux
我不明白为什么该服务显示“已加载”和“活动”但没有出现在进程列表中。
另一方面，我使用“systemctl stop ntp”停止 ntp 服务，并尝试使用“date”命令更改时间，日期会更改，但之后会回到“1970”