awk '{for (i=6;i<=NF;i++) printf $i" ";print ""}' nowcoder.txt |
awk -F":|," '{switch(NR){
    case 1 : print "serverVersion:"$2;break
    case 3 : print "serverName:"$2;break
    case 4 : print "osName:"$2;print "osVersion:"$4;break
    default: break;
}}'