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电商网站性能目标有哪些,wordpress自助建站,网站网站模版,网站举报在哪举报一、同步阿里云服务器时间服务端设置 1.检查chrony服务是否安装，设置chrony开机自启，查看chrony服务状态 [rootnode1-server ~]# rpm -q chrony # rpm -q 用于查看包是否安装 chrony-4.3-1.el9.x86_64 [rootnode1-server ~]# systemctl enable --n…

一、同步阿里云服务器时间

服务端设置

1.检查chrony服务是否安装，设置chrony开机自启，查看chrony服务状态

[root@node1-server ~]# rpm -q chrony # rpm -q 用于查看包是否安装
chrony-4.3-1.el9.x86_64

[root@node1-server ~]# systemctl enable --now chronyd # 设置服务开机自启

[root@node1-server ~]# systemctl status chronyd # 查看chronyd服务状态
● chronyd.service - NTP client/server
Loaded: loaded (/usr/lib/systemd/system/chronyd.service; enabled; preset: enabled)
Active: active (running) since Tue 2025-03-25 14:11:34 CST; 2h 22min ago
Docs: man:chronyd(8)
man:chrony.conf(5)
Main PID: 905 (chronyd)
Tasks: 1 (limit: 10681)
Memory: 4.0M
CPU: 80ms
CGroup: /system.slice/chronyd.service
└─905 /usr/sbin/chronyd -F 2

2.关闭防火墙，SELinux设置为宽容模式，查看防火墙状态

[root@node1-server ~]# systemctl stop firewalld && systemctl disable firewalld # 关闭防火墙服务，关闭成功后禁用服务
Removed "/etc/systemd/system/multi-user.target.wants/firewalld.service".
Removed "/etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service".

[root@node1-server ~]# setenforce 0 # SELinux 调整为宽容模式

[root@node1-server ~]# getenforce # 查看 SELinux 状态
Permissive # 宽容模式

[root@node1-server ~]# systemctl status firewalld.service # 查看防火墙状态
○ firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; preset: enabled)
Active: inactive (dead)
Docs: man:firewalld(1)

3.编辑服务端/etc/chrony.conf文件

[root@node1-server ~]# vim /etc/chrony.conf
3 #pool 2.rhel.pool.ntp.org iburst # 注释此行
4 pool ntp.aliyun.com iburst # pool 是一个关键字，作用是指定一组 NTP 服务器，iburst表示的是首次同步的时候快速同步

27 #allow 192.168.0.0/16 # 注释此行
28 allow 192.168.11.0/24 # 允许同步该网段

4.重启服务，查看服务，查看日期

[root@node1-server ~]# systemctl restart chronyd # 重启服务

[root@node1-server ~]# chronyc sources -v # 查看服务

.-- Source mode '^' = server, '=' = peer, '#' = local clock.
/ .- Source state '*' = current best, '+' = combined, '-' = not combined,
| / 'x' = may be in error, '~' = too variable, '?' = unusable.
|| .- xxxx [ yyyy ] +/- zzzz
|| Reachability register (octal) -. | xxxx = adjusted offset,
|| Log2(Polling interval) --. | | yyyy = measured offset,
|| \ | | zzzz = estimated error.
|| | | \
MS Name/IP address Stratum Poll Reach LastRx Last sample
=========================================================================
^* 203.107.6.88 2 6 17 25 +20ms[ +30ms] +/- 72ms

[root@node1-server ~]# date # 查看日期
Tue Mar 25 04:54:42 PM CST 2025 # 与阿里云服务器同步成功

客户端设置

1.关闭防火墙并查看防火墙状态

[root@node2-client ~]# systemctl stop firewalld.service && systemctl disable firewalld.service #关闭防火墙
Removed "/etc/systemd/system/multi-user.target.wants/firewalld.service".
Removed "/etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service".

[root@node2-client ~]# systemctl status firewalld.service #查看防火墙状态
○ firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; preset: enabled)
Active: inactive (dead)
Docs: man:firewalld(1)