安裝方式shell腳本：sh install-openssh.sh install-openssh.sh openssh-clients-8.0p1-1.el6.x86_64.rpm keyutils-libs-devel-1.4-5.el6.x86_64.rpm openssh-debuginfo-8.0p1-1.el6.x86_64.rpm krb5-devel-1.10.3-57.el6.x86_64.rpm openssh-server-8.0p1-1.el6.x86_64.rpm libcom_err-de