rhn_register
rhevm rhevm-reports
rhevm-dwh-setup
rhevm-reports-setup
rhn-channel --list
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rhn-channel -u <username> -p <password> /
-c rhel-x86_64-server-6 /
-c jbappplatform-6-x86_64-server-6-rpm /
-c rhel-x86_64-server-6-rhevm-3.2 /
-c rhel-x86_64-server-ha-6 /
-c rhel-x86_64-server-supplementary-6 -a
tar cvf result.tar /dir/
scp 命令未找到yum install openssh-clients
挂载 nfs 失败：yum install nfs-utils
createrepo /tar/dir
1、查看系统中的软连接，比如：find /usr/lib -type l|xargs ls -l ；
2、查看系统中无效的软连接，
find . -type l -print |xargs lsattr -d 2>&1|grep "No such file or directory"| awk '{print $11}'
