我的网站有点怪异，所以我重启了服务器。我还运行了 sudo yum update 并更新了所有内容。现在我的网站无法加载（www.kisnardonline.com），并且出现 http-500 错误。我不能 100% 确定这是否与更新有关。我在 Google 上搜索了很多，但不知道还要看什么。
看起来更新没有覆盖我的配置文件，所以我不确定可能出了什么问题？
我能够通过 SSH 连接到我的服务器。我能够连接到我的 MySQL 数据库。我能够运行我的 Java 游戏服务器并从我的本地 PC 连接到我的游戏客户端。顶部输出对我来说看起来不错（内存和 CPU 充足）。还有什么我可以检查的吗？
yum 历史信息 77
Loaded plugins: priorities, update-motd, upgrade-helper
Transaction ID : 77
Begin time : Thu Nov 2 23:49:20 2017
Begin rpmdb : 482:891f2e1355453f459cb67e212feb05d2fcd0d421
End time : 23:50:29 2017 (69 seconds)
End rpmdb : 492:cfa44d8f63026943da406a0b769ab02395772f96
User : EC2 Default User <ec2-user>
Return-Code : Success
Command Line : update
Transaction performed with:
Installed rpm-4.11.3-21.75.amzn1.x86_64 @amzn-main
Updated yum-3.4.3-150.68.amzn1.noarch @amzn-main
Packages Altered:
Updated authconfig-6.2.8-10.28.amzn1.x86_64 @amzn-main
Update 6.2.8-30.31.amzn1.x86_64 @amzn-main
Updated aws-amitools-ec2-1.5.12-0.1.amzn1.noarch @amzn-main
Update 1.5.13-0.2.amzn1.noarch @amzn-main
Updated aws-cfn-bootstrap-1.4-15.9.amzn1.noarch @amzn-updates
Update 1.4-24.16.amzn1.noarch @amzn-updates
Updated aws-cli-1.11.83-1.46.amzn1.noarch @amzn-updates
Update 1.11.132-1.47.amzn1.noarch @amzn-main
Updated bash-4.2.46-20.36.amzn1.x86_64 @amzn-main
Update 4.2.46-28.37.amzn1.x86_64 @amzn-main
Updated bind-libs-32:9.8.2-0.62.rc1.54.amzn1.x86_64 @amzn-updates
Update 32:9.8.2-0.62.rc1.56.amzn1.x86_64 @amzn-main
Updated bind-utils-32:9.8.2-0.62.rc1.54.amzn1.x86_64 @amzn-updates
Update 32:9.8.2-0.62.rc1.56.amzn1.x86_64 @amzn-main
Updated binutils-2.23.52.0.1-55.65.amzn1.x86_64 @amzn-updates
Update 2.25.1-31.base.66.amzn1.x86_64 @amzn-main
Updated curl-7.51.0-4.73.amzn1.x86_64 @amzn-main
Update 7.53.1-10.77.amzn1.x86_64 @amzn-updates
Updated datadog-agent-1:5.13.2-1.x86_64 @datadog
Update 1:5.18.1-1.x86_64 @datadog
Updated ec2-net-utils-0.5-1.32.amzn1.noarch @amzn-updates
Update 0.5-1.33.amzn1.noarch @amzn-main
Updated ec2-utils-0.5-1.32.amzn1.noarch @amzn-updates
Update 0.5-1.33.amzn1.noarch @amzn-main
Updated file-5.22-4.31.amzn1.x86_64 @amzn-updates
Update 5.30-11.34.amzn1.x86_64 @amzn-main
Updated file-libs-5.22-4.31.amzn1.x86_64 @amzn-updates
Update 5.30-11.34.amzn1.x86_64 @amzn-main
Updated glibc-2.17-157.169.amzn1.x86_64 @amzn-updates
Update 2.17-196.172.amzn1.x86_64 @amzn-main
Updated glibc-common-2.17-157.169.amzn1.x86_64 @amzn-updates
Update 2.17-196.172.amzn1.x86_64 @amzn-main
Updated glibc-devel-2.17-157.169.amzn1.x86_64 @amzn-updates
Update 2.17-196.172.amzn1.x86_64 @amzn-main
Updated glibc-headers-2.17-157.169.amzn1.x86_64 @amzn-updates
Update 2.17-196.172.amzn1.x86_64 @amzn-main
Updated grep-2.20-2.17.amzn1.x86_64 @amzn-main
Update 2.20-3.18.amzn1.x86_64 @amzn-main
Updated grubby-7.0.15-5.7.amzn1.x86_64 ?
Update 7.0.15-7.8.amzn1.x86_64 @amzn-main
Updated gzip-1.5-8.18.amzn1.x86_64 @amzn-main
Update 1.5-9.19.amzn1.x86_64 @amzn-main
Updated httpd24-2.4.25-1.68.amzn1.x86_64 @amzn-updates
Update 2.4.27-3.75.amzn1.x86_64 @amzn-main
Updated httpd24-tools-2.4.25-1.68.amzn1.x86_64 @amzn-updates
Update 2.4.27-3.75.amzn1.x86_64 @amzn-main
Updated initscripts-9.03.49-1.35.amzn1.x86_64 @amzn-updates
Update 9.03.58-1.39.amzn1.x86_64 @amzn-main
Updated java-1.8.0-openjdk-1:1.8.0.131-2.b11.30.amzn1.x86_64 @amzn-updates
Update 1:1.8.0.151-1.b12.35.amzn1.x86_64 @amzn-updates
Updated java-1.8.0-openjdk-headless-1:1.8.0.131-2.b11.30.amzn1.x86_64 @amzn-updates
Update 1:1.8.0.151-1.b12.35.amzn1.x86_64 @amzn-updates
Erase kernel-4.9.20-10.30.amzn1.x86_64 @amzn-updates
Install kernel-4.9.58-18.51.amzn1.x86_64 @amzn-updates
Updated kernel-headers-4.9.27-14.31.amzn1.x86_64 @amzn-updates
Update 4.9.58-18.51.amzn1.x86_64 @amzn-updates
Updated krb5-libs-1.14.1-27.41.amzn1.x86_64 @amzn-updates
Update 1.15.1-8.43.amzn1.x86_64 @amzn-updates
Updated krb5-workstation-1.14.1-27.41.amzn1.x86_64 @amzn-updates
Update 1.15.1-8.43.amzn1.x86_64 @amzn-updates
Updated libcurl-7.51.0-4.73.amzn1.x86_64 @amzn-main
Update 7.53.1-10.77.amzn1.x86_64 @amzn-updates
Updated libgcc48-4.8.3-9.111.amzn1.x86_64 @amzn-main
Update 4.8.5-11.135.amzn1.x86_64 @amzn-main
Updated libkadm5-1.14.1-27.41.amzn1.x86_64 @amzn-updates
Update 1.15.1-8.43.amzn1.x86_64 @amzn-updates
Dep-Install libnghttp2-1.21.1-1.4.amzn1.x86_64 @amzn-main
Updated libstdc++48-4.8.3-9.111.amzn1.x86_64 @amzn-main
Update 4.8.5-11.135.amzn1.x86_64 @amzn-main
Updated libtool-ltdl-2.4.2-20.4.8.3.31.amzn1.x86_64 @amzn-main
Update 2.4.2-20.4.8.5.32.amzn1.x86_64 @amzn-main
Updated mod24_ssl-1:2.4.25-1.68.amzn1.x86_64 @amzn-updates
Update 1:2.4.27-3.75.amzn1.x86_64 @amzn-main
Updated mysql-config-5.5.56-1.17.amzn1.x86_64 @amzn-updates
Update 5.5.57-1.18.amzn1.x86_64 @amzn-main
Updated mysql56-5.6.36-1.25.amzn1.x86_64 @amzn-updates
Update 5.6.37-1.26.amzn1.x86_64 @amzn-main
Updated mysql56-common-5.6.36-1.25.amzn1.x86_64 @amzn-updates
Update 5.6.37-1.26.amzn1.x86_64 @amzn-main
Updated mysql56-errmsg-5.6.36-1.25.amzn1.x86_64 @amzn-updates
Update 5.6.37-1.26.amzn1.x86_64 @amzn-main
Updated mysql56-libs-5.6.36-1.25.amzn1.x86_64 @amzn-updates
Update 5.6.37-1.26.amzn1.x86_64 @amzn-main
Updated mysql56-server-5.6.36-1.25.amzn1.x86_64 @amzn-updates
Update 5.6.37-1.26.amzn1.x86_64 @amzn-main
Updated nss-3.28.4-1.0.78.amzn1.x86_64 @amzn-updates
Update 3.28.4-12.80.amzn1.x86_64 @amzn-updates
Dep-Install nss-pem-1.0.3-4.3.amzn1.x86_64 @amzn-updates
Updated nss-softokn-3.16.2.3-14.4.39.amzn1.x86_64 @amzn-updates
Update 3.28.3-8.41.amzn1.x86_64 @amzn-updates
Updated nss-softokn-freebl-3.16.2.3-14.4.39.amzn1.x86_64 @amzn-updates
Update 3.28.3-8.41.amzn1.x86_64 @amzn-updates
Updated nss-sysinit-3.28.4-1.0.78.amzn1.x86_64 @amzn-updates
Update 3.28.4-12.80.amzn1.x86_64 @amzn-updates
Updated nss-tools-3.28.4-1.0.78.amzn1.x86_64 @amzn-updates
Update 3.28.4-12.80.amzn1.x86_64 @amzn-updates
Updated nss-util-3.28.4-1.0.52.amzn1.x86_64 @amzn-updates
Update 3.28.4-3.53.amzn1.x86_64 @amzn-updates
Updated openssh-6.6.1p1-33.66.amzn1.x86_64 @amzn-main
Update 7.4p1-11.68.amzn1.x86_64 @amzn-main
Updated openssh-clients-6.6.1p1-33.66.amzn1.x86_64 @amzn-main
Update 7.4p1-11.68.amzn1.x86_64 @amzn-main
Updated openssh-server-6.6.1p1-33.66.amzn1.x86_64 @amzn-main
Update 7.4p1-11.68.amzn1.x86_64 @amzn-main
Updated openssl-1:1.0.1k-15.99.amzn1.x86_64 @amzn-main
Update 1:1.0.2k-7.103.amzn1.x86_64 @amzn-main
Install php56-5.6.31-1.134.amzn1.x86_64 @amzn-main
Dep-Install php56-cli-5.6.31-1.134.amzn1.x86_64 @amzn-main
Dep-Install php56-common-5.6.31-1.134.amzn1.x86_64 @amzn-main
Install php56-gd-5.6.31-1.134.amzn1.x86_64 @amzn-main
Dep-Install php56-jsonc-1.3.10-1.20.amzn1.x86_64 @amzn-updates
Install php56-pdo-5.6.31-1.134.amzn1.x86_64 @amzn-main
Dep-Install php56-process-5.6.31-1.134.amzn1.x86_64 @amzn-main
Install php56-xml-5.6.31-1.134.amzn1.x86_64 @amzn-main
Updated php70-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated php70-cli-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated php70-common-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated php70-gd-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated php70-json-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated php70-mbstring-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated php70-mysqlnd-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated php70-opcache-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated php70-pdo-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated php70-process-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated php70-xml-7.0.16-1.21.amzn1.x86_64 @amzn-main
Update 7.0.21-1.24.amzn1.x86_64 @amzn-main
Updated python26-botocore-1.5.46-1.63.amzn1.noarch @amzn-updates
Update 1.5.95-1.65.amzn1.noarch @amzn-main
Updated python26-setuptools-12.2-1.32.amzn1.noarch @amzn-main
Update 36.2.7-1.33.amzn1.noarch @amzn-main
Updated python27-botocore-1.5.46-1.63.amzn1.noarch @amzn-updates
Update 1.5.95-1.65.amzn1.noarch @amzn-main
Updated python27-setuptools-12.2-1.32.amzn1.noarch @amzn-main
Update 36.2.7-1.33.amzn1.noarch @amzn-main
Updated sqlite-3.7.17-6.13.amzn1.x86_64 @amzn-updates
Update 3.7.17-8.14.amzn1.x86_64 @amzn-main
Updated sudo-1.8.6p3-25.23.amzn1.x86_64 ?
Update 1.8.6p3-29.27.amzn1.x86_64 @amzn-main
Updated system-release-2017.03-0.0.noarch @amzn-main
Update 2017.09-0.0.noarch @amzn-main
Updated wget-1.18-1.18.amzn1.x86_64 @amzn-updates
Update 1.18-3.28.amzn1.x86_64 @amzn-updates
Updated yum-3.4.3-150.68.amzn1.noarch @amzn-main
Update 3.4.3-150.70.amzn1.noarch @amzn-main
Updated yum-python26-3.4.3-150.68.amzn1.noarch @amzn-main
Update 3.4.3-150.70.amzn1.noarch @amzn-main
Scriptlet output:
1 warning: /etc/nsswitch.conf created as /etc/nsswitch.conf.rpmnew
2 warning: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-1.b12.35.amzn1.x86_64/jre/lib/security/java.security created as /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-1.b12.35.amzn1.x86_64/jre/lib/security/java.security.rpmnew
3 warning: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-1.b12.35.amzn1.x86_64/jre/lib/security/nss.cfg created as /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-1.b12.35.amzn1.x86_64/jre/lib/security/nss.cfg.rpmnew
4 warning: /etc/issue.net created as /etc/issue.net.rpmnew
5 warning: /etc/sysctl.conf created as /etc/sysctl.conf.rpmnew
6 warning: /etc/ssh/sshd_config created as /etc/ssh/sshd_config.rpmnew
7 warning: /etc/httpd/conf.d/ssl.conf created as /etc/httpd/conf.d/ssl.conf.rpmnew
8 Stopping Datadog Agent (using killproc on supervisord): [ OK ]
9 warning: file /lib/modules/4.9.20-10.30.amzn1.x86_64/modules.order: remove failed: No such file or directory
10 warning: file /lib/modules/4.9.20-10.30.amzn1.x86_64/modules.networking: remove failed: No such file or directory
11 warning: file /lib/modules/4.9.20-10.30.amzn1.x86_64/modules.modesetting: remove failed: No such file or directory
12 warning: file /lib/modules/4.9.20-10.30.amzn1.x86_64/modules.drm: remove failed: No such file or directory
13 warning: file /lib/modules/4.9.20-10.30.amzn1.x86_64/modules.builtin: remove failed: No such file or directory
14 warning: file /lib/modules/4.9.20-10.30.amzn1.x86_64/modules.block: remove failed: No such file or directory
15 warning: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-2.b11.30.amzn1.x86_64/jre/lib/security/java.security saved as /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-2.b11.30.amzn1.x86_64/jre/lib/security/java.security.rpmsave
16 (Re)starting datadog-agent now...
17 Stopping Datadog Agent (using killproc on supervisord): [FAILED]
18 Starting Datadog Agent (using supervisord):[ OK ]
history info
/etc/httpd/logs/错误日志
[Fri Nov 03 00:28:47.152945 2017] [mpm_worker:notice] [pid 2772:tid 139963340687424] AH00295: caught SIGTERM, shutting down
[Fri Nov 03 00:28:47.971191 2017] [suexec:notice] [pid 3238:tid 139837959862336] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
[Fri Nov 03 00:28:47.992314 2017] [lbmethod_heartbeat:notice] [pid 3239:tid 139837959862336] AH02282: No slotmem from mod_heartmonitor
[Fri Nov 03 00:28:48.008075 2017] [mpm_worker:notice] [pid 3239:tid 139837959862336] AH00292: Apache/2.4.27 (Amazon) OpenSSL/1.0.2k-fips PHP/5.6.31 configured -- resuming normal operations
[Fri Nov 03 00:28:48.008099 2017] [core:notice] [pid 3239:tid 139837959862336] AH00094: Command line: '/usr/sbin/httpd'
[Fri Nov 03 00:28:52.012474 2017] [mpm_worker:error] [pid 3239:tid 139837959862336] AH00287: server is within MinSpareThreads of MaxRequestWorkers, consider raising the MaxRequestWorkers setting
ps-ef
UID PID PPID C STIME TTY TIME CMD
root 1 0 0 00:26 ? 00:00:00 /sbin/init
root 2 0 0 00:26 ? 00:00:00 [kthreadd]
root 3 2 0 00:26 ? 00:00:00 [ksoftirqd/0]
root 4 2 0 00:26 ? 00:00:00 [kworker/0:0]
root 5 2 0 00:26 ? 00:00:00 [kworker/0:0H]
root 7 2 0 00:26 ? 00:00:00 [rcu_sched]
root 8 2 0 00:26 ? 00:00:00 [rcu_bh]
root 9 2 0 00:26 ? 00:00:00 [migration/0]
root 10 2 0 00:26 ? 00:00:00 [lru-add-drain]
root 11 2 0 00:26 ? 00:00:00 [cpuhp/0]
root 12 2 0 00:26 ? 00:00:00 [cpuhp/1]
root 13 2 0 00:26 ? 00:00:00 [migration/1]
root 14 2 0 00:26 ? 00:00:00 [ksoftirqd/1]
root 15 2 0 00:26 ? 00:00:00 [kworker/1:0]
root 16 2 0 00:26 ? 00:00:00 [kworker/1:0H]
root 17 2 0 00:26 ? 00:00:00 [kdevtmpfs]
root 18 2 0 00:26 ? 00:00:00 [netns]
root 19 2 0 00:26 ? 00:00:00 [kworker/u30:1]
root 23 2 0 00:26 ? 00:00:00 [kworker/u30:2]
root 25 2 0 00:26 ? 00:00:00 [xenwatch]
root 26 2 0 00:26 ? 00:00:00 [xenbus]
root 27 2 0 00:26 ? 00:00:00 [kworker/0:1]
root 149 2 0 00:26 ? 00:00:00 [khungtaskd]
root 150 2 0 00:26 ? 00:00:00 [oom_reaper]
root 151 2 0 00:26 ? 00:00:00 [writeback]
root 153 2 0 00:26 ? 00:00:00 [kcompactd0]
root 154 2 0 00:26 ? 00:00:00 [ksmd]
root 155 2 0 00:26 ? 00:00:00 [khugepaged]
root 156 2 0 00:26 ? 00:00:00 [crypto]
root 157 2 0 00:26 ? 00:00:00 [kintegrityd]
root 158 2 0 00:26 ? 00:00:00 [bioset]
root 160 2 0 00:26 ? 00:00:00 [kblockd]
root 510 2 0 00:26 ? 00:00:00 [md]
root 515 2 0 00:26 ? 00:00:00 [kworker/1:1]
root 641 2 0 00:26 ? 00:00:00 [kswapd0]
root 642 2 0 00:26 ? 00:00:00 [vmstat]
root 739 2 0 00:26 ? 00:00:00 [kthrotld]
root 791 2 0 00:26 ? 00:00:00 [bioset]
root 1472 2 0 00:26 ? 00:00:00 [ata_sff]
root 1485 2 0 00:26 ? 00:00:00 [scsi_eh_0]
root 1486 2 0 00:26 ? 00:00:00 [scsi_tmf_0]
root 1489 2 0 00:26 ? 00:00:00 [scsi_eh_1]
root 1490 2 0 00:26 ? 00:00:00 [scsi_tmf_1]
root 1544 2 0 00:26 ? 00:00:00 [jbd2/xvda1-8]
root 1545 2 0 00:26 ? 00:00:00 [ext4-rsv-conver]
root 1573 2 0 00:26 ? 00:00:00 [kworker/1:1H]
root 1591 1 0 00:26 ? 00:00:00 /sbin/udevd -d
root 1723 1591 0 00:26 ? 00:00:00 /sbin/udevd -d
root 1724 1591 0 00:26 ? 00:00:00 /sbin/udevd -d
root 1897 2 0 00:26 ? 00:00:00 [kworker/0:1H]
root 1906 2 0 00:26 ? 00:00:00 [kauditd]
root 1922 1 0 00:26 ? 00:00:00 lvmetad
root 1931 1 0 00:26 ? 00:00:00 lvmpolld
root 1987 2 0 00:26 ? 00:00:00 [ipv6_addrconf]
root 2138 1 0 00:26 ? 00:00:00 /sbin/dhclient -q -lf /var/lib/dhclient/dhclient-eth0.leases -pf /var/run/dhclient-eth0.pid eth0
root 2194 1 0 00:26 ? 00:00:00 auditd
root 2221 1 0 00:26 ? 00:00:00 /sbin/rsyslogd -i /var/run/syslogd.pid -c 5
root 2235 1 0 00:26 ? 00:00:00 irqbalance --pid=/var/run/irqbalance.pid --hintpolicy=subset
dbus 2251 1 0 00:26 ? 00:00:00 dbus-daemon --system
root 2286 1 0 00:26 ? 00:00:00 /usr/sbin/acpid
root 2386 1 0 00:26 ? 00:00:00 /usr/sbin/sshd
ntp 2408 1 0 00:26 ? 00:00:00 ntpd -u ntp:ntp -p /var/run/ntpd.pid -g
root 2487 1 0 00:26 ? 00:00:00 /bin/sh /usr/libexec/mysql56/mysqld_safe --datadir=/var/lib/mysql --socket=/var/lib/mysql/mysql.sock --pid-file=/var/run/mysqld/mysqld.pid --basedi
mysql 2701 2487 0 00:26 ? 00:00:00 /usr/libexec/mysql56/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql56/plugin --user=mysql --log-error=/var/log/mysqld
root 2748 1 0 00:26 ? 00:00:00 sendmail: accepting connections
smmsp 2757 1 0 00:26 ? 00:00:00 sendmail: Queue runner@01:00:00 for /var/spool/clientmqueue
root 2784 1 0 00:26 ? 00:00:00 crond
root 2798 1 0 00:26 ? 00:00:00 /usr/sbin/atd
dd-agent 2862 1 0 00:26 ? 00:00:00 /opt/datadog-agent/embedded/bin/python /opt/datadog-agent/bin/supervisord -c /etc/dd-agent/supervisor.conf
dd-agent 2867 2862 0 00:26 ? 00:00:00 /opt/datadog-agent/bin/trace-agent
dd-agent 2868 2862 0 00:26 ? 00:00:02 /opt/datadog-agent/embedded/bin/python /opt/datadog-agent/agent/ddagent.py
dd-agent 2869 2862 0 00:26 ? 00:00:01 /opt/datadog-agent/embedded/bin/python /opt/datadog-agent/agent/dogstatsd.py --use-local-forwarder
dd-agent 2872 2862 0 00:26 ? 00:00:02 /opt/datadog-agent/embedded/bin/python /opt/datadog-agent/agent/agent.py foreground --use-local-forwarder
root 3011 1 0 00:26 tty1 00:00:00 /sbin/mingetty /dev/tty1
root 3014 1 0 00:26 ttyS0 00:00:00 /sbin/agetty ttyS0 9600 vt100-nav
root 3016 1 0 00:26 tty2 00:00:00 /sbin/mingetty /dev/tty2
root 3020 1 0 00:26 tty3 00:00:00 /sbin/mingetty /dev/tty3
root 3022 1 0 00:26 tty4 00:00:00 /sbin/mingetty /dev/tty4
root 3024 1 0 00:26 tty5 00:00:00 /sbin/mingetty /dev/tty5
root 3026 1 0 00:26 tty6 00:00:00 /sbin/mingetty /dev/tty6
root 3069 2386 0 00:27 ? 00:00:00 sshd: ec2-user [priv]
ec2-user 3071 3069 0 00:27 ? 00:00:00 sshd: ec2-user@pts/0
ec2-user 3072 3071 0 00:27 pts/0 00:00:00 -bash
root 3239 1 0 00:28 ? 00:00:00 /usr/sbin/httpd
apache 3241 3239 0 00:28 ? 00:00:00 /usr/sbin/httpd
root 3788 2386 0 00:37 ? 00:00:00 sshd: ec2-user [priv]
ec2-user 3790 3788 0 00:37 ? 00:00:00 sshd: ec2-user@notty
ec2-user 3791 3790 0 00:37 ? 00:00:00 /usr/libexec/openssh/sftp-server
apache 4456 3239 0 00:47 ? 00:00:00 /usr/sbin/httpd
ec2-user 4509 3072 0 00:48 pts/0 00:00:00 ps -ef
答案1
搞清楚发生了什么。不久前，我删除了所有内容并安装了新版本的 php 7.0、mysql 和 apache。看来 yum update 在我的 php 7.0 版本之上重新安装了 php 5.6。