我们的集群中有 3 个系统/服务器。 （其中使用了Wildfly服务器）
同事在 2 台服务器上的生产环境中执行了 YUM UPDATE 命令，然后对已安装的 Apache HTTP 服务器（HTTP 更新）、Keycloak 服务器（Java 包更新）和 Wildfly 服务器进行了相应的更改。
但 YUM UPDATE 还更新了多项内容：
NetworkManager-libnm.x86_64 1:1.18.8-2.el7_9 NetworkManager-team.x86_64 1:1.18.8-2.el7_9
NetworkManager-tui.x86_64 1:1.18.8-2.el7_9 OpenIPMI.x86_64 0:2.0.27-1.el7
OpenIPMI-libs.x86_64 0:2.0.27-1.el7 OpenIPMI-modalias.x86_64 0:2.0.27-1.el7
abrt.x86_64 0:2.1.11-60.el7.centos abrt-addon-ccpp.x86_64 0:2.1.11-60.el7.centos
abrt-addon-kerneloops.x86_64 0:2.1.11-60.el7.centos abrt-addon-pstoreoops.x86_64 0:2.1.11-60.el7.centos
abrt-addon-python.x86_64 0:2.1.11-60.el7.centos abrt-addon-vmcore.x86_64 0:2.1.11-60.el7.centos
abrt-addon-xorg.x86_64 0:2.1.11-60.el7.centos abrt-cli.x86_64 0:2.1.11-60.el7.centos
abrt-console-notification.x86_64 0:2.1.11-60.el7.centos abrt-dbus.x86_64 0:2.1.11-60.el7.centos
abrt-libs.x86_64 0:2.1.11-60.el7.centos abrt-python.x86_64 0:2.1.11-60.el7.centos
abrt-retrace-client.x86_64 0:2.1.11-60.el7.centos abrt-tui.x86_64 0:2.1.11-60.el7.centos
acl.x86_64 0:2.2.51-15.el7 alsa-lib.x86_64 0:1.1.8-1.el7
alsa-tools-firmware.x86_64 0:1.1.0-1.el7 apr.x86_64 0:1.4.8-7.el7
at.x86_64 0:3.1.13-24.el7 attr.x86_64 0:2.4.46-13.el7
audit.x86_64 0:2.8.5-4.el7 audit-libs.x86_64 0:2.8.5-4.el7
audit-libs-python.x86_64 0:2.8.5-4.el7 augeas-libs.x86_64 0:1.4.0-10.el7
avahi-autoipd.x86_64 0:0.6.31-20.el7 avahi-libs.x86_64 0:0.6.31-20.el7
bash.x86_64 0:4.2.46-34.el7 bash-completion.noarch 1:2.1-8.el7
bind-libs.x86_64 32:9.11.4-26.P2.el7_9.7 bind-libs-lite.x86_64 32:9.11.4-26.P2.el7_9.7
bind-license.noarch 32:9.11.4-26.P2.el7_9.7 bind-utils.x86_64 32:9.11.4-26.P2.el7_9.7
binutils.x86_64 0:2.27-44.base.el7 biosdevname.x86_64 0:0.7.3-2.el7
blktrace.x86_64 0:1.0.5-9.el7 boost-system.x86_64 0:1.53.0-28.el7
boost-thread.x86_64 0:1.53.0-28.el7 btrfs-progs.x86_64 0:4.9.1-1.el7
ca-certificates.noarch 0:2021.2.50-72.el7_9 centos-release.x86_64 0:7-9.2009.1.el7.centos
checkpolicy.x86_64 0:2.5-8.el7 chkconfig.x86_64 0:1.7.6-1.el7
copy-jdk-configs.noarch 0:3.3-10.el7_5 coreutils.x86_64 0:8.22-24.el7_9.2
cpio.x86_64 0:2.11-28.el7 cpp.x86_64 0:4.8.5-44.el7
crda.x86_64 0:3.18_2018.05.31-4.el7 cronie.x86_64 0:1.4.11-23.el7
cronie-anacron.x86_64 0:1.4.11-23.el7 cryptsetup.x86_64 0:2.0.3-6.el7
cryptsetup-libs.x86_64 0:2.0.3-6.el7 cups-libs.x86_64 1:1.6.3-51.el7
curl.x86_64 0:7.29.0-59.el7_9.1 cyrus-sasl-gssapi.x86_64 0:2.1.26-23.el7
cyrus-sasl-lib.x86_64 0:2.1.26-23.el7 cyrus-sasl-plain.x86_64 0:2.1.26-23.el7
desktop-file-utils.x86_64 0:0.23-2.el7 device-mapper.x86_64 7:1.02.170-6.el7_9.5
device-mapper-event.x86_64 7:1.02.170-6.el7_9.5 device-mapper-event-libs.x86_64 7:1.02.170-6.el7_9.5
device-mapper-libs.x86_64 7:1.02.170-6.el7_9.5 device-mapper-multipath.x86_64 0:0.4.9-135.el7_9
device-mapper-multipath-libs.x86_64 0:0.4.9-135.el7_9 device-mapper-persistent-data.x86_64 0:0.8.5-3.el7_9.2
dhclient.x86_64 12:4.2.5-83.el7.centos.1 dhcp-common.x86_64 12:4.2.5-83.el7.centos.1
dhcp-libs.x86_64 12:4.2.5-83.el7.centos.1 diffutils.x86_64 0:3.3-5.el7
dmidecode.x86_64 1:3.2-5.el7_9.1 dmraid.x86_64 0:1.0.0.rc16-28.el7
dmraid-events.x86_64 0:1.0.0.rc16-28.el7 dnsmasq.x86_64 0:2.76-17.el7_9.3
dos2unix.x86_64 0:6.0.3-7.el7 dosfstools.x86_64 0:3.0.20-10.el7
dracut.x86_64 0:033-572.el7 dracut-config-rescue.x86_64 0:033-572.el7
dracut-network.x86_64 0:033-572.el7 dyninst.x86_64 0:9.3.1-3.el7
e2fsprogs.x86_64 0:1.42.9-19.el7 e2fsprogs-libs.x86_64 0:1.42.9-19.el7
ebtables.x86_64 0:2.0.10-16.el7 elfutils.x86_64 0:0.176-5.el7
elfutils-libelf.x86_64 0:0.176-5.el7 elfutils-libs.x86_64 0:0.176-5.el7
emacs-filesystem.noarch 1:24.3-23.el7 ethtool.x86_64 2:4.8-10.el7
expat.x86_64 0:2.1.0-12.el7 file.x86_64 0:5.11-37.el7
file-libs.x86_64 0:5.11-37.el7 filesystem.x86_64 0:3.2-25.el7
findutils.x86_64 1:4.5.11-6.el7 fipscheck.x86_64 0:1.4.1-6.el7
fipscheck-lib.x86_64 0:1.4.1-6.el7 firewalld.noarch 0:0.6.3-13.el7_9
fontconfig.x86_64 0:2.13.0-4.3.el7 fprintd.x86_64 0:0.8.1-2.el7
fprintd-pam.x86_64 0:0.8.1-2.el7 freeipmi.x86_64 0:1.5.7-3.el7
freetype.x86_64 0:2.8-14.el7_9.1 ftp.x86_64 0:0.17-67.el7
gawk.x86_64 0:4.0.2-4.el7_3.1 gcc.x86_64 0:4.8.5-44.el7
gdb.x86_64 0:7.6.1-120.el7 gdk-pixbuf2.x86_64 0:2.36.12-3.el7
gettext.x86_64 0:0.19.8.1-3.el7 gettext-libs.x86_64 0:0.19.8.1-3.el7
git.x86_64 0:1.8.3.1-23.el7_8 gitlab-ci-multi-runner.x86_64 0:9.5.1-1
glib-networking.x86_64 0:2.56.1-1.el7 glib2.x86_64 0:2.56.1-9.el7_9
glibc.x86_64 0:2.17-324.el7_9 glibc-common.x86_64 0:2.17-324.el7_9
glibc-devel.x86_64 0:2.17-324.el7_9 glibc-headers.x86_64 0:2.17-324.el7_9
gmp.x86_64 1:6.0.0-15.el7 gnupg2.x86_64 0:2.0.22-5.el7_5
gnutls.x86_64 0:3.3.29-9.el7_6 gobject-introspection.x86_64 0:1.56.1-1.el7
gpm-libs.x86_64 0:1.20.7-6.el7 grep.x86_64 0:2.20-3.el7
grubby.x86_64 0:8.28-26.el7 gsettings-desktop-schemas.x86_64 0:3.28.0-3.el7
gssproxy.x86_64 0:0.7.0-30.el7_9 gzip.x86_64 0:1.5-10.el7
hostname.x86_64 0:3.13-3.el7_7.1 httpd.x86_64 0:2.4.6-97.el7.centos
httpd-tools.x86_64 0:2.4.6-97.el7.centos hunspell.x86_64 0:1.3.2-16.el7
hunspell-en.noarch 0:0.20121024-6.el7 hunspell-en-GB.noarch 0:0.20121024-6.el7
hunspell-en-US.noarch 0:0.20121024-6.el7 hwdata.x86_64 0:0.252-9.7.el7
info.x86_64 0:5.1-5.el7 initscripts.x86_64 0:9.49.53-1.el7_9.1
ipmitool.x86_64 0:1.8.18-9.el7_7 iproute.x86_64 0:4.11.0-30.el7
iprutils.x86_64 0:2.4.17.1-3.el7_7 iptables.x86_64 0:1.4.21-35.el7
iputils.x86_64 0:20160308-10.el7 irqbalance.x86_64 3:1.0.7-12.el7
iw.x86_64 0:4.3-2.el7 iwl100-firmware.noarch 0:39.31.5.1-80.el7_9
iwl1000-firmware.noarch 1:39.31.5.1-80.el7_9 iwl105-firmware.noarch 0:18.168.6.1-80.el7_9
iwl135-firmware.noarch 0:18.168.6.1-80.el7_9 iwl2000-firmware.noarch 0:18.168.6.1-80.el7_9
iwl2030-firmware.noarch 0:18.168.6.1-80.el7_9 iwl3160-firmware.noarch 0:25.30.13.0-80.el7_9
iwl3945-firmware.noarch 0:15.32.2.9-80.el7_9 iwl4965-firmware.noarch 0:228.61.2.24-80.el7_9
iwl5000-firmware.noarch 0:8.83.5.1_1-80.el7_9 iwl5150-firmware.noarch 0:8.24.2.2-80.el7_9
iwl6000-firmware.noarch 0:9.221.4.1-80.el7_9 iwl6000g2a-firmware.noarch 0:18.168.6.1-80.el7_9
iwl6000g2b-firmware.noarch 0:18.168.6.1-80.el7_9 iwl6050-firmware.noarch 0:41.28.5.1-80.el7_9
jansson.x86_64 0:2.10-1.el7 jasper-libs.x86_64 0:1.900.1-33.el7
java-1.8.0-openjdk.x86_64 1:1.8.0.302.b08-0.el7_9 java-1.8.0-openjdk-devel.x86_64 1:1.8.0.302.b08-0.el7_9
java-1.8.0-openjdk-headless.x86_64 1:1.8.0.302.b08-0.el7_9 kbd.x86_64 0:1.15.5-15.el7
kbd-legacy.noarch 0:1.15.5-15.el7 kbd-misc.noarch 0:1.15.5-15.el7
kernel-headers.x86_64 0:3.10.0-1160.42.2.el7 kernel-tools.x86_64 0:3.10.0-1160.42.2.el7
kernel-tools-libs.x86_64 0:3.10.0-1160.42.2.el7 kexec-tools.x86_64 0:2.0.15-51.el7_9.3
kmod.x86_64 0:20-28.el7 kmod-libs.x86_64 0:20-28.el7
kpartx.x86_64 0:0.4.9-135.el7_9 kpatch.noarch 0:0.6.1-6.el7
ksh.x86_64 0:20120801-142.el7 langtable.noarch 0:0.0.31-4.el7
langtable-data.noarch 0:0.0.31-4.el7 langtable-python.noarch 0:0.0.31-4.el7
ledmon.x86_64 0:0.92-1.el7 libICE.x86_64 0:1.0.9-9.el7
libX11.x86_64 0:1.6.7-4.el7_9 libX11-common.noarch 0:1.6.7-4.el7_9
libXfont.x86_64 0:1.5.4-1.el7 libXi.x86_64 0:1.7.9-1.el7
libXrender.x86_64 0:0.9.10-1.el7 libXtst.x86_64 0:1.2.3-1.el7
libacl.x86_64 0:2.2.51-15.el7 libattr.x86_64 0:2.4.46-13.el7
libbasicobjects.x86_64 0:0.1.1-32.el7 libblkid.x86_64 0:2.23.2-65.el7_9.1
libcap.x86_64 0:2.22-11.el7 libcgroup.x86_64 0:0.41-21.el7
libcollection.x86_64 0:0.7.0-32.el7 libcom_err.x86_64 0:1.42.9-19.el7
libcroco.x86_64 0:0.6.12-6.el7_9 libcurl.x86_64 0:7.29.0-59.el7_9.1
libdb.x86_64 0:5.3.21-25.el7 libdb-utils.x86_64 0:5.3.21-25.el7
libdhash.x86_64 0:0.5.0-32.el7 libdrm.x86_64 0:2.4.97-2.el7
libffi.x86_64 0:3.0.13-19.el7 libfontenc.x86_64 0:1.1.3-3.el7
libfprint.x86_64 0:0.8.2-1.el7 libgcc.x86_64 0:4.8.5-44.el7
libgcrypt.x86_64 0:1.5.3-14.el7 libgnome-keyring.x86_64 0:3.12.0-1.el7
libgomp.x86_64 0:4.8.5-44.el7 libgudev1.x86_64 0:219-78.el7_9.3
libicu.x86_64 0:50.2-4.el7_7 libipa_hbac.x86_64 0:1.16.5-10.el7_9.10
libjpeg-turbo.x86_64 0:1.2.90-8.el7 libmount.x86_64 0:2.23.2-65.el7_9.1
libmspack.x86_64 0:0.5-0.8.alpha.el7 libndp.x86_64 0:1.2-9.el7
libnetfilter_conntrack.x86_64 0:1.0.6-1.el7_3 libnfsidmap.x86_64 0:0.25-19.el7
libpath_utils.x86_64 0:0.2.1-32.el7 libpcap.x86_64 14:1.5.3-12.el7
libpciaccess.x86_64 0:0.14-1.el7 libpng.x86_64 2:1.5.13-8.el7
libproxy.x86_64 0:0.4.11-11.el7 libpwquality.x86_64 0:1.2.3-5.el7
libref_array.x86_64 0:0.1.5-32.el7 libreport.x86_64 0:2.1.11-53.el7.centos
libreport-centos.x86_64 0:2.1.11-53.el7.centos libreport-cli.x86_64 0:2.1.11-53.el7.centos
libreport-filesystem.x86_64 0:2.1.11-53.el7.centos libreport-plugin-mailx.x86_64 0:2.1.11-53.el7.centos
libreport-plugin-mantisbt.x86_64 0:2.1.11-53.el7.centos libreport-plugin-rhtsupport.x86_64 0:2.1.11-53.el7.centos
libreport-plugin-ureport.x86_64 0:2.1.11-53.el7.centos libreport-python.x86_64 0:2.1.11-53.el7.centos
libreport-web.x86_64 0:2.1.11-53.el7.centos libseccomp.x86_64 0:2.3.1-4.el7
libselinux.x86_64 0:2.5-15.el7 libselinux-python.x86_64 0:2.5-15.el7
libselinux-utils.x86_64 0:2.5-15.el7 libsemanage.x86_64 0:2.5-14.el7
libsemanage-python.x86_64 0:2.5-14.el7 libsepol.x86_64 0:2.5-10.el7
libsoup.x86_64 0:2.62.2-2.el7 libss.x86_64 0:1.42.9-19.el7
libssh2.x86_64 0:1.8.0-4.el7 libsss_autofs.x86_64 0:1.16.5-10.el7_9.10
libsss_certmap.x86_64 0:1.16.5-10.el7_9.10 libsss_idmap.x86_64 0:1.16.5-10.el7_9.10
libsss_nss_idmap.x86_64 0:1.16.5-10.el7_9.10 libsss_sudo.x86_64 0:1.16.5-10.el7_9.10
libstdc++.x86_64 0:4.8.5-44.el7 libstoragemgmt.x86_64 0:1.8.1-2.el7_9
libstoragemgmt-python.noarch 0:1.8.1-2.el7_9 libtasn1.x86_64 0:4.10-1.el7
libteam.x86_64 0:1.29-3.el7 libtiff.x86_64 0:4.0.3-35.el7
libtirpc.x86_64 0:0.2.4-0.16.el7 libtool-ltdl.x86_64 0:2.4.2-22.el7_3
libusbx.x86_64 0:1.0.21-1.el7 libuser.x86_64 0:0.60-9.el7
libuuid.x86_64 0:2.23.2-65.el7_9.1 libxcb.x86_64 0:1.13-1.el7
libxml2.x86_64 0:2.9.1-6.el7.5 libxml2-python.x86_64 0:2.9.1-6.el7.5
libxslt.x86_64 0:1.1.28-6.el7 linux-firmware.noarch 0:20200421-80.git78c0348.el7_9
lksctp-tools.x86_64 0:1.0.17-2.el7 lm_sensors-libs.x86_64 0:3.4.0-8.20160601gitf9185e5.el7
logrotate.x86_64 0:3.8.6-19.el7 lsof.x86_64 0:4.87-6.el7
lsscsi.x86_64 0:0.27-6.el7 lua.x86_64 0:5.1.4-15.el7
lvm2.x86_64 7:2.02.187-6.el7_9.5 lvm2-libs.x86_64 7:2.02.187-6.el7_9.5
mailx.x86_64 0:12.5-19.el7 make.x86_64 1:3.82-24.el7
man-db.x86_64 0:2.6.3-11.el7 man-pages-overrides.x86_64 0:7.9.0-1.el7
mariadb-libs.x86_64 1:5.5.68-1.el7 mdadm.x86_64 0:4.1-7.el7_9
microcode_ctl.x86_64 2:2.1-73.11.el7_9 mlocate.x86_64 0:0.26-8.el7
mod_auth_openidc.x86_64 0:1.8.8-9.el7_9 mod_ssl.x86_64 1:2.4.6-97.el7.centos
mozjs17.x86_64 0:17.0.0-20.el7 ncurses.x86_64 0:5.9-14.20130511.el7_4
ncurses-base.noarch 0:5.9-14.20130511.el7_4 ncurses-libs.x86_64 0:5.9-14.20130511.el7_4
net-snmp-libs.x86_64 1:5.7.2-49.el7_9.1 net-tools.x86_64 0:2.0-0.25.20131004git.el7
nettle.x86_64 0:2.7.1-9.el7_9 nfs-utils.x86_64 1:1.3.0-0.68.el7.1
nmap.x86_64 2:6.40-19.el7 nmap-ncat.x86_64 2:6.40-19.el7
nscd.x86_64 0:2.17-324.el7_9 nspr.x86_64 0:4.25.0-2.el7_9
nss.x86_64 0:3.53.1-7.el7_9 nss-softokn.x86_64 0:3.53.1-6.el7_9
nss-softokn-freebl.x86_64 0:3.53.1-6.el7_9 nss-sysinit.x86_64 0:3.53.1-7.el7_9
nss-tools.x86_64 0:3.53.1-7.el7_9 nss-util.x86_64 0:3.53.1-1.el7_9
ntp.x86_64 0:4.2.6p5-29.el7.centos.2 ntpdate.x86_64 0:4.2.6p5-29.el7.centos.2
ntsysv.x86_64 0:1.7.6-1.el7 numactl-libs.x86_64 0:2.0.12-5.el7
open-vm-tools.x86_64 0:11.0.5-3.el7_9.3 openldap.x86_64 0:2.4.44-24.el7_9
openldap-clients.x86_64 0:2.4.44-24.el7_9 openssh.x86_64 0:7.4p1-21.el7
openssh-clients.x86_64 0:7.4p1-21.el7 openssh-server.x86_64 0:7.4p1-21.el7
openssl.x86_64 1:1.0.2k-21.el7_9 openssl-libs.x86_64 1:1.0.2k-21.el7_9
os-prober.x86_64 0:1.58-9.el7 p11-kit.x86_64 0:0.23.5-3.el7
p11-kit-trust.x86_64 0:0.23.5-3.el7 pam.x86_64 0:1.1.8-23.el7
pam_krb5.x86_64 0:2.4.8-6.el7 parted.x86_64 0:3.1-32.el7
passwd.x86_64 0:0.79-6.el7 pciutils.x86_64 0:3.5.1-3.el7
pciutils-libs.x86_64 0:3.5.1-3.el7 pcre.x86_64 0:8.32-17.el7
perl.x86_64 4:5.16.3-299.el7_9 perl-Getopt-Long.noarch 0:2.40-3.el7
perl-Git.noarch 0:1.8.3.1-23.el7_8 perl-HTTP-Daemon.noarch 0:6.01-8.el7
perl-IO-Socket-IP.noarch 0:0.21-5.el7 perl-IO-Socket-SSL.noarch 0:1.94-7.el7
perl-Net-SSLeay.x86_64 0:1.55-6.el7 perl-Pod-Escapes.noarch 1:1.04-299.el7_9
perl-Socket.x86_64 0:2.010-5.el7 perl-libs.x86_64 4:5.16.3-299.el7_9
perl-macros.x86_64 4:5.16.3-299.el7_9 pinentry.x86_64 0:0.8.1-17.el7
plymouth.x86_64 0:0.8.9-0.34.20140113.el7.centos plymouth-core-libs.x86_64 0:0.8.9-0.34.20140113.el7.centos
plymouth-scripts.x86_64 0:0.8.9-0.34.20140113.el7.centos policycoreutils.x86_64 0:2.5-34.el7
policycoreutils-python.x86_64 0:2.5-34.el7 polkit.x86_64 0:0.112-26.el7
postfix.x86_64 2:2.10.1-9.el7 ppp.x86_64 0:2.4.5-34.el7_7
procps-ng.x86_64 0:3.3.10-28.el7 psacct.x86_64 0:6.6.1-13.el7
psmisc.x86_64 0:22.20-17.el7 python.x86_64 0:2.7.5-90.el7
python-chardet.noarch 0:2.2.1-3.el7 python-dmidecode.x86_64 0:3.12.2-4.el7
python-libs.x86_64 0:2.7.5-90.el7 python-perf.x86_64 0:3.10.0-1160.42.2.el7
python-pycurl.x86_64 0:7.19.0-19.el7 python-pyudev.noarch 0:0.15-9.el7
python-slip.noarch 0:0.4.0-4.el7 python-slip-dbus.noarch 0:0.4.0-4.el7
python-sssdconfig.noarch 0:1.16.5-10.el7_9.10 python-urlgrabber.noarch 0:3.10-10.el7
quota.x86_64 1:4.01-19.el7 quota-nls.noarch 1:4.01-19.el7
readline.x86_64 0:6.2-11.el7 rfkill.x86_64 0:0.4-10.el7
rng-tools.x86_64 0:6.3.1-5.el7 rpcbind.x86_64 0:0.2.0-49.el7
rpm.x86_64 0:4.11.3-45.el7 rpm-build-libs.x86_64 0:4.11.3-45.el7
rpm-libs.x86_64 0:4.11.3-45.el7 rpm-python.x86_64 0:4.11.3-45.el7
rsync.x86_64 0:3.1.2-10.el7 rsyslog.x86_64 0:8.24.0-57.el7_9.1
satyr.x86_64 0:0.13-15.el7 scl-utils.x86_64 0:20130529-19.el7
screen.x86_64 0:4.1.0-0.27.20120314git3c2946.el7_9 sed.x86_64 0:4.2.2-7.el7
selinux-policy.noarch 0:3.13.1-268.el7_9.2 selinux-policy-targeted.noarch 0:3.13.1-268.el7_9.2
setools-libs.x86_64 0:3.3.8-4.el7 setup.noarch 0:2.8.71-11.el7
sg3_utils-libs.x86_64 1:1.37-19.el7 shadow-utils.x86_64 2:4.6-5.el7
shared-mime-info.x86_64 0:1.8-5.el7 smartmontools.x86_64 1:7.0-2.el7
sos.noarch 0:3.9-5.el7.centos.7 sqlite.x86_64 0:3.7.17-8.el7_7.1
sssd.x86_64 0:1.16.5-10.el7_9.10 sssd-ad.x86_64 0:1.16.5-10.el7_9.10
sssd-client.x86_64 0:1.16.5-10.el7_9.10 sssd-common.x86_64 0:1.16.5-10.el7_9.10
sssd-common-pac.x86_64 0:1.16.5-10.el7_9.10 sssd-ipa.x86_64 0:1.16.5-10.el7_9.10
sssd-krb5.x86_64 0:1.16.5-10.el7_9.10 sssd-krb5-common.x86_64 0:1.16.5-10.el7_9.10
sssd-ldap.x86_64 0:1.16.5-10.el7_9.10 sssd-proxy.x86_64 0:1.16.5-10.el7_9.10
strace.x86_64 0:4.24-6.el7 sudo.x86_64 0:1.8.23-10.el7_9.1
sysstat.x86_64 0:10.1.5-19.el7 systemd.x86_64 0:219-78.el7_9.3
systemd-libs.x86_64 0:219-78.el7_9.3 systemd-python.x86_64 0:219-78.el7_9.3
systemd-sysv.x86_64 0:219-78.el7_9.3 systemtap-runtime.x86_64 0:4.0-13.el7
tar.x86_64 2:1.26-35.el7 tcpdump.x86_64 14:4.9.2-4.el7_7.1
tcsh.x86_64 0:6.18.01-17.el7_9.1 teamd.x86_64 0:1.29-3.el7
telnet.x86_64 1:0.17-66.el7 traceroute.x86_64 3:2.0.22-2.el7
trousers.x86_64 0:0.3.14-2.el7 tuned.noarch 0:2.11.0-11.el7_9
tzdata.noarch 0:2021a-1.el7 tzdata-java.noarch 0:2021a-1.el7
unzip.x86_64 0:6.0-22.el7_9 usb_modeswitch.x86_64 0:2.5.1-1.el7
usb_modeswitch-data.noarch 0:20170806-1.el7 usermode.x86_64 0:1.111-6.el7
util-linux.x86_64 0:2.23.2-65.el7_9.1 vim-common.x86_64 2:7.4.629-8.el7_9
vim-enhanced.x86_64 2:7.4.629-8.el7_9 vim-filesystem.x86_64 2:7.4.629-8.el7_9
vim-minimal.x86_64 2:7.4.629-8.el7_9 virt-what.x86_64 0:1.18-4.el7_9.1
wget.x86_64 0:1.14-18.el7_6.1 wpa_supplicant.x86_64 1:2.6-12.el7_9.2
xdg-utils.noarch 0:1.1.0-0.17.20120809git.el7 xfsdump.x86_64 0:3.1.7-1.el7
xfsprogs.x86_64 0:4.5.0-22.el7 xorg-x11-font-utils.x86_64 1:7.5-21.el7
xz.x86_64 0:5.2.2-1.el7 xz-libs.x86_64 0:5.2.2-1.el7
yum.noarch 0:3.4.3-168.el7.centos yum-langpacks.noarch 0:0.4.2-7.el7
yum-plugin-fastestmirror.noarch 0:1.1.31-54.el7_8 yum-plugin-protectbase.noarch 0:1.1.31-54.el7_8
yum-utils.noarch 0:1.1.31-54.el7_8 zip.x86_64 0:3.0-11.el7
zlib.x86_64 0:1.2.7-19.el7_9
Replaced:
NetworkManager.x86_64 1:1.0.6-31.el7_2 docker-ce-selinux.noarch 0:17.03.0.ce-1.el7.centos grub2.x86_64 1:2.02-0.34.el7.centos
grub2-tools.x86_64 1:2.02-0.34.el7.centos iwl7265-firmware.noarch 0:22.0.7.0-43.el7 pygobject3-base.x86_64 0:3.14.0-3.el7
rdma.noarch 0:7.2_4.1_rc6-2.el7
当我检查centos时发现2和3服务器有CentOS Linux 版本 7.9.2009（核心）但服务器 1（共 3 台）有 ->CentOS Linux 版本 7.2.1511（核心）
应用程序在所有三台服务器上运行良好并且相互通信。系统尚未重新启动。
在 LINUX 级别的设置中，我将来可能会遇到哪些问题？ （我可以看到一些网络包更新等，这会导致任何网络问题、超时等吗？）
以及解决该问题的建议是什么？是否也需要在服务器 1 上运行 YUM UPDATE？