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从什么时候开始流行CPU挖矿了？记得以前不都是用GPU吗？原来现在虚拟币的种类已经这么多了！大概研究了一下，目前CPU算力有优势的有这么几种虚拟币,貌似还都是匿名币

ZEC(零币)算法 Equihash 目前市场价格4000+

XMR(门罗币) 算法CryptoNight 目前价格4000+

BCN(字节币?) 算法CryptNote 目前价格几分...

近期公司有几台机器被种了挖矿木马，清除之余研究了一下有关CPU挖矿的工具，发现了 xmr-stak-cpu 这个东西

上网搜了搜，找到了GITHUB上的主页，好像刚升级不久

https://github.com/fireice-uk/xmr-stak

还有个早先点的版本地址为：https://github.com/fireice-uk/xmr-stak-cpu

找了一台测试机安装一下试试：

# git clone https://github.com/fireice-uk/xmr-stak

# cd xmr-stak/

# ls

CI CMakeLists.txt CONTRIBUTING.md doc Dockerfile LICENSE README.md scripts THIRD-PARTY-LICENSES xmrstak

好像没有可以执行的文件，不过我发现了Dockerfile，然后又在 scripts文件夹里找到了build_xmr-stak_docker.sh 难道是自动创建一个docker 来挖矿？打开来看看

# vim scripts/build_xmr-stak_docker/build_xmr-stak_docker.sh

#!/bin/bash -uex

if [[ $EUID -ne 0 ]]; then

echo "This script must be run as root"

exit 1

if [ -d xmr-stak ]; then

git -C xmr-stak clean -fd

else

git clone https://github.com/fireice-uk/xmr-stak.git

wget -c https://developer.nvidia.com/compute/cuda/9.0/Prod/local_installers/cuda_9.0.176_384.81_linux-run

chmod a+x cuda_*_linux-run

########################

# Fedora 27

########################

# CUDA is not going to work on Fedora 27 beacuse it's only support these distributions: http://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html

docker run --rm -it -v $PWD:/mnt fedora:27 /bin/bash -c "

set -x ;

dnf install -y -q cmake gcc-c++ hwloc-devel libmicrohttpd-devel libstdc++-static make openssl-devel;

cd /mnt/xmr-stak ;

cmake -DCUDA_ENABLE=OFF -DOpenCL_ENABLE=OFF . ;

make ;

test -d fedora_27 || mkdir fedora_27

mv xmr-stak/bin/* fedora_27

git -C xmr-stak clean -fd

########################

# Ubuntu (17.04)

########################

docker run --rm -it -v $PWD:/mnt ubuntu:17.04 /bin/bash -c "

set -x ;

apt update -qq ;

apt install -y -qq libmicrohttpd-dev libssl-dev cmake build-essential libhwloc-dev ;

cd /mnt/xmr-stak ;

/mnt/cuda_*_linux-run --silent --toolkit ;

cmake -DCUDA_ENABLE=OFF -DOpenCL_ENABLE=OFF . ;

...

呵呵，果然不出所料，这个脚本针对 CentOS 和 Ubuntu系列linux系统自动创建建立一个Docker镜像然后安装xmr-stak

编辑一下这个脚本，只留下一个操作系统，我这里只留下了 Ubuntu 17部分

原来的脚本是跑完了docker 安装完成就吧容器删掉，而我现在想把这个容器留下于是就改了改，最后变成下面这个样子

#!/bin/bash -uex

if [[ $EUID -ne 0 ]]; then

echo "This script must be run as root"

exit 1

if [ -d xmr-stak ]; then

git -C xmr-stak clean -fd

else

git clone https://github.com/fireice-uk/xmr-stak.git

########################

# Ubuntu (17.04)

########################

docker run -itd --name "xmr" -v $PWD:/mnt ubuntu:17.04 /bin/bash

docker exec -it "xmr" /bin/bash -c "

set -x ;

apt update -qq

apt install -y -qq libmicrohttpd-dev libssl-dev cmake build-essential libhwloc-dev ;

cd /mnt/xmr-stak ;

cmake -DCUDA_ENABLE=OFF -DOpenCL_ENABLE=OFF . ;

make install;

我的linux 不需要CUDA 删掉 CUDA部分的代码

直接执行(运行前请确定是否已经安装Docker)

# ./build_xmr-stak_docker.sh

+ [[ 0 -ne 0 ]]

+ '[' -d xmr-stak ']'

+ git clone https://github.com/fireice-uk/xmr-stak.git

Cloning into 'xmr-stak'...

git-remote-https: /usr/local/lib/libldap_r-2.4.so.2: no version information available (required by /usr/lib/x86_64-linux-gnu/lib

git-remote-https: /usr/local/lib/liblber-2.4.so.2: no version information available (required by /usr/lib/x86_64-linux-gnu/libcu

remote: Counting objects: 3441, done.

remote: Compressing objects: 100% (29/29), done.

remote: Total 3441 (delta 16), reused 16 (delta 3), pack-reused 3409

Receiving objects: 100% (3441/3441), 1.01 MiB | 24.00 KiB/s, done.

Resolving deltas: 100% (2403/2403), done.

Checking connectivity... done.

+ docker run -itd --name xmr -v /data1/soft:/mnt update-ubuntu /bin/bash

f88a7614bd41821be42b584f76a1892184cd06155058c25c6bbdfb8c245cb571

+ docker exec -it xmr /bin/bash -c '

.....

#脚本里包含了 apt-get update 时间会比较久，如果你觉得不需要也可以去掉。如果上面这些步骤一切正常，那么就可以进入刚健的容器去试试挖矿了

# docker exec -it xmr /bin/bash

# cd /mnt/xmr-stak/bin/

# ls

libxmr-stak-backend.a libxmr-stak-c.a xmr-stak

# ./xmr-stak

Please enter:

- Currency: 'monero' or 'aeon'

...

上面是选择你想挖的币种类、矿池地址、钱包地址等等设置完之后会自动执行，如果出现下面这个就说明连接成功了,我测试用的是国内的一个门罗币矿池mine.ppxxmr.com:3333

[2018-01-12 11:07:21] : Fast-connecting to mine.ppxxmr.com:3333 pool ...

[2018-01-12 11:07:21] : Pool mine.ppxxmr.com:3333 connected. Logging in...

[2018-01-12 11:07:21] : Difficulty changed. Now: 15000.

[2018-01-12 11:07:21] : Pool logged in.

[2018-01-12 11:07:29] : Difficulty changed. Now: 15000.

[2018-01-12 11:07:29] : New block detected.

[2018-01-12 11:07:37] : Result accepted by the pool.

[2018-01-12 11:07:47] : Result accepted by the pool.

[2018-01-12 11:08:04] : Difficulty changed. Now: 10465.

[2018-01-12 11:08:04] : New block detected.

[2018-01-12 11:08:11] : Result accepted by the pool.

[2018-01-12 11:08:17] : Result accepted by the pool.

网站上也出现了你挖矿的进度，如下图

QQ截图20180112191138.jpg

终止进程后发现，bin下面多了两个文件 cpu.txt 和 config.txt

# ls

config.txt cpu.txt libxmr-stak-backend.a libxmr-stak-c.a xmr-stak

打开来看看

# vim config.txt

* pool_address - Pool address should be in the form "pool.supportxmr.com:3333". Only stratum pools are supported.

* wallet_address - Your wallet, or pool login.

* pool_password - Can be empty in most cases or "x".

* use_nicehash - Limit the nonce to 3 bytes as required by nicehash.

* use_tls - This option will make us connect using Transport Layer Security.

* tls_fingerprint - Server's SHA256 fingerprint. If this string is non-empty then we will check the server's cert against it.

* pool_weight - Pool weight is a number telling the miner how important the pool is. Miner will mine mostly at the pool

* with the highest weight, unless the pool fails. Weight must be an integer larger than 0.

* We feature pools up to 1MH/s. For a more complete list see M5M400's pool list at www.moneropools.com

"pool_list" :

[

{"pool_address" : "mine.ppxxmr.com:3333", "wallet_address" : "xxxxxxxxxqC4PTWdaAZ3V15d83kCEEGRiXVXeQwsS1PGd7s7wDjigA2grkxcsDfxEDtuDomBzpFiGtNyPMy+$NUMBER", "pool_password" : "", "use_nicehash" : false, "use_tls" : false, "tls_fingerprint" : "", "pool_weight" : 1 },

* currency to mine

* allowed values: 'monero' or 'aeon'

"currency" : "monero",

...

刚才的设置应该都存在这里了，

# vim cpu.txt

...

"cpu_threads_conf" :

[

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 0 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 2 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 4 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 6 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 8 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 10 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 1 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 3 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 5 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 7 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 9 },

{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 11 },

cpu.txt是我们调整CPU使用效率的文件，如果觉得资源耗太多可以减少一些

好了，再次执行的时候就不用进行设置了

# nohup ./xmr-stak &

[1] 714

看一下资源消耗，瞬间就上10了哈哈，看看这点算力和这么高的负载，咱们就测测就得了 hoho

QQ截图20180112193411.jpg

linux挖矿门罗币 linux 系统管理