[root@localhost docker-ce]# docker images
Cannot connect to the Docker daemon at unix:///var/run/. Is the docker daemon running?
[root@localhost docker-ce]# service docker start
Redirecting to /bin/systemctl start
Failed to start : Unit not found.
-bash-4.2# ll
total 120712
-rw-r--r-- 1 root root 104408 May 19 09:37 audit-libs-2.8.5-4.el7.x86_64.rpm
-rw-r--r-- 1 root root 78256 May 19 09:37 audit-libs-python-2.8.5-4.el7.x86_64.rpm
-rw-r--r-- 1 root root 35130608 Jan 19 20:01 -1.4.6-3.1.el7.x86_64.rpm
-rw-r--r-- 1 root root 40816 Jan 19 20:01 container-selinux-2.119.2-1.911c772.el7_8.
-rw-r--r-- 1 root root 27902344 May 19 09:37 docker-ce-20.10.7-3.el7.x86_64 (1).rpm
-rw-r--r-- 1 root root 34717572 May 19 09:37 docker-ce-cli-20.10.7-3.el7.x86_64.rpm
-rw-r--r-- 1 root root 9659320 May 19 09:37 docker-ce-rootless-extras-20.10.7-3.el7.x86_64.rpm
-rw-r--r-- 1 root root 4373740 May 19 09:37 docker-scan-plugin-0.8.0-3.el7.x86_64.rpm
-rw-r--r-- 1 root root 83764 May 19 09:37 fuse3-libs-3.6.1-4.el7.x86_64.rpm
-rw-r--r-- 1 root root 95424 May 19 09:37 fuse-libs-2.9.2-11.el7.x86_64.rpm
-rw-r--r-- 1 root root 55796 May 19 09:37 fuse-overlayfs-0.7.2-6.el7_8.x86_64.rpm
-rw-r--r-- 1 root root 67720 May 19 09:37 libcgroup-0.41-21.el7.x86_64.rpm
-rw-r--r-- 1 root root 101800 May 19 09:37 libcgroup-tools-0.41-21.el7.x86_64.rpm
-rw-r--r-- 1 root root 56824 May 19 09:37 libnetfilter_conntrack-1.0.6-1.el7_3.x86_64.rpm
-rw-r--r-- 1 root root 57460 May 19 09:37 libseccomp-2.3.1-4.el7.x86_64.rpm
-rw-r--r-- 1 root root 166012 May 19 09:37 libselinux-2.5-15.el7.x86_64.rpm
-rw-r--r-- 1 root root 154876 May 19 09:37 libselinux-utils-2.5-15.el7.x86_64.rpm
-rw-r--r-- 1 root root 154244 May 19 09:37 libsemanage-2.5-14.el7.x86_64.rpm
-rw-r--r-- 1 root root 115284 May 19 09:37 libsemanage-python-2.5-14.el7.x86_64.rpm
-rw-r--r-- 1 root root 304196 May 19 09:37 libsepol-2.5-10.el7.x86_64.rpm
-rw-r--r-- 1 root root 78740 May 19 09:37 libsepol-devel-2.5-10.el7.x86_64 (1).rpm
-rw-r--r-- 1 root root 78740 May 19 09:37 libsepol-devel-2.5-10.el7.x86_64.rpm
-rw-r--r-- 1 root root 938736 May 19 09:37 policycoreutils-2.5-34.el7.x86_64.rpm
-rw-r--r-- 1 root root 468316 May 19 09:37 policycoreutils-python-2.5-34.el7.x86_64.rpm
-rw-r--r-- 1 root root 509568 May 19 09:37 selinux-policy-3.13.1-268.el7_9.
-rw-r--r-- 1 root root 7335504 May 19 09:37 selinux-policy-targeted-3.13.1-268.el7_9.
-rw-r--r-- 1 root root 635184 May 19 09:37 setools-libs-3.3.8-4.el7.x86_64.rpm
-rw-r--r-- 1 root root 83452 May 19 09:37 slirp4netns-0.4.3-4.el7_8.x86_64.rpm
不能少 container*
rpm -ivh * --force --nodeps