[root@localhost ~]# dateWed Jun 19 22:17:50 EDT 2019
时间与本地计算机时间快了12小时,查看网上类似问题方案是同步远端服务器的时间
ntp常用服务器:
国家授时中心:210.72.145.44NTP服务器(上海) :ntp.api.bz尝试修改时间:
下载时间同步模块
1 [root@localhost ~]# yum -y install ntpdate 2 Loaded plugins: fastestmirror 3 base | 3.6 kB 00:00 4 extras | 3.4 kB 00:00 5 updates | 3.4 kB 00:00 6 (1/2): extras/7/x86_64/primary_db | 205 kB 00:00 7 (2/2): updates/7/x86_64/primary_db | 6.4 MB 00:05 8 Loading mirror speeds from cached hostfile 9 * base: mirrors.zju.edu.cn10 * extras: ap.stykers.moe11 * updates: ap.stykers.moe12 Resolving Dependencies13 --> Running transaction check14 ---> Package ntpdate.x86_64 0:4.2.6p5-28.el7.centos will be installed15 --> Processing Dependency: libcrypto.so.10(OPENSSL_1.0.2)(64bit) for package: ntpdate-4.2.6p5-28.el7.centos.x86_6416 --> Running transaction check17 ---> Package openssl-libs.x86_64 1:1.0.1e-42.el7.9 will be updated18 --> Processing Dependency: openssl-libs(x86-64) = 1:1.0.1e-42.el7.9 for package: 1:openssl-1.0.1e-42.el7.9.x86_6419 ---> Package openssl-libs.x86_64 1:1.0.2k-16.el7_6.1 will be an update20 --> Running transaction check21 ---> Package openssl.x86_64 1:1.0.1e-42.el7.9 will be updated22 ---> Package openssl.x86_64 1:1.0.2k-16.el7_6.1 will be an update23 --> Finished Dependency Resolution24 25 Dependencies Resolved26 27 ================================================================================28 Package Arch Version Repository Size29 ================================================================================30 Installing:31 ntpdate x86_64 4.2.6p5-28.el7.centos base 86 k32 Updating for dependencies:33 openssl x86_64 1:1.0.2k-16.el7_6.1 updates 493 k34 openssl-libs x86_64 1:1.0.2k-16.el7_6.1 updates 1.2 M35 36 Transaction Summary37 ================================================================================38 Install 1 Package39 Upgrade ( 2 Dependent packages)40 41 Total download size: 1.8 M42 Downloading packages:43 Delta RPMs disabled because /usr/bin/applydeltarpm not installed.44 (1/3): ntpdate-4.2.6p5-28.el7.centos.x86_64.rpm | 86 kB 00:00 45 (2/3): openssl-1.0.2k-16.el7_6.1.x86_64.rpm | 493 kB 00:00 46 (3/3): openssl-libs-1.0.2k-16.el7_6.1.x86_64.rpm | 1.2 MB 00:18 47 --------------------------------------------------------------------------------48 Total 96 kB/s | 1.8 MB 00:18 49 Running transaction check50 Running transaction test51 Transaction test succeeded52 Running transaction53 Updating : 1:openssl-libs-1.0.2k-16.el7_6.1.x86_64 1/5 54 Updating : 1:openssl-1.0.2k-16.el7_6.1.x86_64 2/5 55 Installing : ntpdate-4.2.6p5-28.el7.centos.x86_64 3/5 56 Cleanup : 1:openssl-1.0.1e-42.el7.9.x86_64 4/5 57 Cleanup : 1:openssl-libs-1.0.1e-42.el7.9.x86_64 5/5 58 Verifying : 1:openssl-1.0.2k-16.el7_6.1.x86_64 1/5 59 Verifying : 1:openssl-libs-1.0.2k-16.el7_6.1.x86_64 2/5 60 Verifying : ntpdate-4.2.6p5-28.el7.centos.x86_64 3/5 61 Verifying : 1:openssl-libs-1.0.1e-42.el7.9.x86_64 4/5 62 Verifying : 1:openssl-1.0.1e-42.el7.9.x86_64 5/5 63 64 Installed:65 ntpdate.x86_64 0:4.2.6p5-28.el7.centos
66 67 Dependency Updated:68 openssl.x86_64 1:1.0.2k-16.el7_6.1 openssl-libs.x86_64 1:1.0.2k-16.el7_6.1 69 70 Complete!
尝试同步远程服务器
[root@localhost ~]# ntpdate -u 210.72.145.44
返回错误:
19 Jun 22:23:08 ntpdate[3361]: no server suitable for synchronization found
尝试修改文件:
[root@localhost ~]# ntpdate -u ntp.api.bz19 Jun 22:24:20 ntpdate[3362]: step time server 114.118.7.161 offset 3.555703 sec
[root@localhost ~]# dateWed Jun 19 22:24:31 EDT 2019[root@localhost ~]# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtimecp: overwrite ‘/etc/localtime’? y
[root@localhost ~]# ntpdate pool.ntp.org
20 Jun 10:27:29 ntpdate[3366]: adjust time server 119.28.183.184 offset 0.079637 sec
[root@localhost ~]# dateThu Jun 20 10:27:40 CST 2019
[root@localhost ~]# dateWed Jun 19 22:17:50 EDT 2019
时间与本地计算机时间快了12小时,查看网上类似问题方案是同步远端服务器的时间
ntp常用服务器:
国家授时中心:210.72.145.44
NTP服务器(上海) :ntp.api.bz
尝试修改时间:
下载时间同步模块
1 [root@localhost ~]# yum -y install ntpdate 2 Loaded plugins: fastestmirror 3 base | 3.6 kB 00:00 4 extras | 3.4 kB 00:00 5 updates | 3.4 kB 00:00 6 (1/2): extras/7/x86_64/primary_db | 205 kB 00:00 7 (2/2): updates/7/x86_64/primary_db | 6.4 MB 00:05 8 Loading mirror speeds from cached hostfile 9 * base: mirrors.zju.edu.cn10 * extras: ap.stykers.moe11 * updates: ap.stykers.moe12 Resolving Dependencies13 --> Running transaction check14 ---> Package ntpdate.x86_64 0:4.2.6p5-28.el7.centos will be installed15 --> Processing Dependency: libcrypto.so.10(OPENSSL_1.0.2)(64bit) for package: ntpdate-4.2.6p5-28.el7.centos.x86_6416 --> Running transaction check17 ---> Package openssl-libs.x86_64 1:1.0.1e-42.el7.9 will be updated18 --> Processing Dependency: openssl-libs(x86-64) = 1:1.0.1e-42.el7.9 for package: 1:openssl-1.0.1e-42.el7.9.x86_6419 ---> Package openssl-libs.x86_64 1:1.0.2k-16.el7_6.1 will be an update20 --> Running transaction check21 ---> Package openssl.x86_64 1:1.0.1e-42.el7.9 will be updated22 ---> Package openssl.x86_64 1:1.0.2k-16.el7_6.1 will be an update23 --> Finished Dependency Resolution24 25 Dependencies Resolved26 27 ================================================================================28 Package Arch Version Repository Size29 ================================================================================30 Installing:31 ntpdate x86_64 4.2.6p5-28.el7.centos base 86 k32 Updating for dependencies:33 openssl x86_64 1:1.0.2k-16.el7_6.1 updates 493 k34 openssl-libs x86_64 1:1.0.2k-16.el7_6.1 updates 1.2 M35 36 Transaction Summary37 ================================================================================38 Install 1 Package39 Upgrade ( 2 Dependent packages)40 41 Total download size: 1.8 M42 Downloading packages:43 Delta RPMs disabled because /usr/bin/applydeltarpm not installed.44 (1/3): ntpdate-4.2.6p5-28.el7.centos.x86_64.rpm | 86 kB 00:00 45 (2/3): openssl-1.0.2k-16.el7_6.1.x86_64.rpm | 493 kB 00:00 46 (3/3): openssl-libs-1.0.2k-16.el7_6.1.x86_64.rpm | 1.2 MB 00:18 47 --------------------------------------------------------------------------------48 Total 96 kB/s | 1.8 MB 00:18 49 Running transaction check50 Running transaction test51 Transaction test succeeded52 Running transaction53 Updating : 1:openssl-libs-1.0.2k-16.el7_6.1.x86_64 1/5 54 Updating : 1:openssl-1.0.2k-16.el7_6.1.x86_64 2/5 55 Installing : ntpdate-4.2.6p5-28.el7.centos.x86_64 3/5 56 Cleanup : 1:openssl-1.0.1e-42.el7.9.x86_64 4/5 57 Cleanup : 1:openssl-libs-1.0.1e-42.el7.9.x86_64 5/5 58 Verifying : 1:openssl-1.0.2k-16.el7_6.1.x86_64 1/5 59 Verifying : 1:openssl-libs-1.0.2k-16.el7_6.1.x86_64 2/5 60 Verifying : ntpdate-4.2.6p5-28.el7.centos.x86_64 3/5 61 Verifying : 1:openssl-libs-1.0.1e-42.el7.9.x86_64 4/5 62 Verifying : 1:openssl-1.0.1e-42.el7.9.x86_64 5/5 63 64 Installed:65 ntpdate.x86_64 0:4.2.6p5-28.el7.centos 66 67 Dependency Updated:68 openssl.x86_64 1:1.0.2k-16.el7_6.1 openssl-libs.x86_64 1:1.0.2k-16.el7_6.1 69 70 Complete!
尝试同步远程服务器
[root@localhost ~]# ntpdate -u 210.72.145.44
返回错误:
19 Jun 22:23:08 ntpdate[3361]: no server suitable for synchronization found
尝试修改文件:
[root@localhost ~]# ntpdate -u ntp.api.bz19 Jun 22:24:20 ntpdate[3362]: step time server 114.118.7.161 offset 3.555703 sec [root@localhost ~]# dateWed Jun 19 22:24:31 EDT 2019[root@localhost ~]# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtimecp: overwrite ‘/etc/localtime’? y [root@localhost ~]# ntpdate pool.ntp.org 20 Jun 10:27:29 ntpdate[3366]: adjust time server 119.28.183.184 offset 0.079637 sec [root@localhost ~]# dateThu Jun 20 10:27:40 CST 2019