1：RHSA-2019:2197-低危: elfutils security,bug fix,和 enhancement update
yum update elfutils-libs -y yum update elfutils-libelf -y yum update elfutils-default-yama-scope
2：RHSA-2019:2079-中危: Xorg 安全和BUG修复更新
yum update libX11-common -y
yum update libX11 -y
yum update libX11-devel -y
3：RHSA-2019:2030-中危: python 安全和BUG修复更新
yum update python -y
yum update python-libs -y
4：RHSA-2019:3976-低危: tcpdump 安全更新
yum update tcpdump -y
5：RHSA-2019:4190-高危: nss,nss-softokn,nss-util 安全更新
yum update nss-softokn-freebl -y yum update nss-softokn -y yum update nss-util -y yum update nss-tools -y yum update nss-sysinit -y yum update nss -y
6：RHSA-2019:2143-低危: openssh security,bug fix,和 enhancement update
yum update openssh-server -y yum update openssh -y yum update openssh-clients -y
7：RHSA-2020:0203-重要: libarchive 安全更新
yum update libarchive -y
8：RHSA-2019:2169-高危: linux-firmware security,bug fix,和 enhancement update
yum update iwl2030-firmware -y yum update iwl6050-firmware -y yum update iwl5000-firmware -y yum update iwl4965-firmware -y yum update iwl3945-firmware -y yum update iwl135-firmware -y yum update iwl7260-firmware -y yum update linux-firmware -y yum update iwl3160-firmware -y yum update iwl1000-firmware -y yum update iwl6000-firmware -y yum update iwl105-firmware -y yum update iwl2000-firmware -y yum update iwl100-firmware -y yum update iwl6000g2b-firmware -y yum update iwl6000g2a-firmware -y yum update iwl5150-firmware -y yum update linux-firmware -y yum update iwl6050-firmware -y yum update iwl5000-firmware -y yum update iwl4965-firmware -y yum update iwl3945-firmware -y yum update iwl135-firmware -y yum update iwl7260-firmware -y yum update linux-firmware -y yum update iwl3160-firmware -y yum update iwl1000-firmware -y yum update iwl6000-firmware -y yum update iwl105-firmware -y yum update iwl2000-firmware -y yum update iwl100-firmware -y yum update iwl7265-firmware -y yum update iwl6000g2b-firmware -y yum update iwl6000g2a-firmware -y
yum update iwl6000g2a-firmware -y
9：RHSA-2019:2189-中危: procps-ng 安全和BUG修复更新
yum update procps-ng -y
10：RHSA-2019:3888-高危: ghostscript 安全更新
yum update libgs -y yum update ghostscript-cups -y yum update ghostscript -y
11：RHSA-2019:4326-重要: fribidi 安全更新
yum update fribidi -y
12：RHSA-2019:2159-低危: unzip 安全更新
yum update unzip -y
13：RHSA-2019:2118-中危: glibc 安全和BUG修复更新
yum update nscd -y yum update glibc-common -y yum update glibc -y yum update glibc-headers -y yum update glibc-devel -y
14：RHSA-2019:2571-高危: pango 安全更新
yum update pango -y
15：RHSA-2019:2586-高危: ghostscript 安全更新
yum update ghostscript -y
16：RHSA-2019:2110-中危: rsyslog 安全和BUG修复更新
yum update rsyslog -y
17：RHSA-2019:2077-低危: ntp security,bug fix,和 enhancement update
yum update ntp -y yum update ntpdate -y
18：RHSA-2020:0124-重要: git 安全更新
yum update perl-Git -y yum update git -y
19：RHSA-2019:2091-中危: systemd security,bug fix,和 enhancement update
yum update systemd-libs -y yum update systemd-sysv -y yum update libgudev1 -y yum update systemd -y
20：RHSA-2019:2462-高危: ghostscript 安全更新
yum update sudo -y
21：RHSA-2020:0630-重要: ppp 安全更新
yum update ppp -y
22：RHSA-2019:2964-高危: patch 安全更新
yum update patch -y