When the nofile is set to unlimited in /etc/security/limits.conf file the user cannot login
usersoftnofile1024userhardnofileunlimited# su - usercould not open session决议Thisisalimitofsetrlimit().Thelimitis1048576.So,setlimitless1048577.根源That"sbecausethekernelhavethefollowingdefinitionin./lin