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2022 年 8 月 11 日

回复了 hhhhhh123 创建的主题 › 程序员 › 我的服务器是不是被人盯上了？

假设我存在这个文件会怎么样？

2022 年 8 月 11 日

回复了 hhhhhh123 创建的主题 › 程序员 › 我的服务器是不是被人盯上了？

@lichao @misaka19000 @ViriF @zzzmh @fanchenio @nothingistrue @all 各位这是我 nginx error.log 里面的。。我想知道，为什么会执行这个 open file 打开文件的指令？

2022 年 8 月 11 日

回复了 hhhhhh123 创建的主题 › 程序员 › 我的服务器是不是被人盯上了？

```
2022/08/11 03:34:30 [error] 3341766#3341766: *1627 open() "/usr/share/nginx/html/phpconfigure/phpinfo" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //phpconfigure/phpinfo HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:31 [error] 3341766#3341766: *1628 open() "/usr/share/nginx/html/phpconfigure/phpinfo.php" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //phpconfigure/phpinfo.php HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:32 [error] 3341766#3341766: *1629 open() "/usr/share/nginx/html/phpconfigure/index.php" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //phpconfigure/index.php HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:33 [error] 3341766#3341766: *1630 open() "/usr/share/nginx/html/scripts/info.php" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //scripts/info.php HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:34 [error] 3341766#3341766: *1631 open() "/usr/share/nginx/html/scripts/phpinfo" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //scripts/phpinfo HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:36 [error] 3341766#3341766: *1632 open() "/usr/share/nginx/html/scripts/phpinfo.php" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //scripts/phpinfo.php HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:37 [error] 3341766#3341766: *1633 open() "/usr/share/nginx/html/scripts/index.php" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //scripts/index.php HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:38 [error] 3341766#3341766: *1634 open() "/usr/share/nginx/html/forum/info.php" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //forum/info.php HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:39 [error] 3341766#3341766: *1635 open() "/usr/share/nginx/html/forum/phpinfo" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //forum/phpinfo HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:40 [error] 3341766#3341766: *1636 open() "/usr/share/nginx/html/forum/phpinfo.php" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //forum/phpinfo.php HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:41 [error] 3341766#3341766: *1637 open() "/usr/share/nginx/html/forum/index.php" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //forum/index.php HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:34:42 [error] 3341766#3341766: *1638 open() "/usr/share/nginx/html/foo.php" failed (2: No such file or directory), client: 18.139.219.224, server: 54.248.101.249, request: "GET //foo.php HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:41:21 [error] 3341766#3341766: *1639 open() "/usr/share/nginx/html/.env" failed (2: No such file or directory), client: 93.182.108.25, server: 54.248.101.249, request: "GET /.env HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:58:26 [error] 3341766#3341766: *1645 open() "/usr/share/nginx/html/update2/version.manifest" failed (2: No such file or directory), client: 183.157.11.162, server: 54.248.101.249, request: "GET /update2/version.manifest HTTP/1.1", host: "54.248.101.249"
2022/08/11 03:58:26 [error] 3341766#3341766: *1646 open() "/usr/share/nginx/html/update2/project.manifest" failed (2: No such file or directory), client: 183.157.11.162, server: 54.248.101.249, request: "GET /update2/project.manifest HTTP/1.1", host: "54.248.101.249"
2022/08/11 04:23:57 [error] 3341766#3341766: *1647 open() "/usr/share/nginx/html/.env" failed (2: No such file or directory), client: 185.254.196.115, server: 54.248.101.249, request: "GET /.env HTTP/1.1", host: "54.248.101.249"
2022/08/11 05:22:27 [error] 3341766#3341766: *1650 open() "/usr/share/nginx/html/.env" failed (2: No such file or directory), client: 109.237.103.123, server: 54.248.101.249, request: "GET /.env HTTP/1.1", host: "54.248.101.249"
2022/08/11 05:48:43 [error] 3341766#3341766: *1652 open() "/usr/share/nginx/html/favicon.ico" failed (2: No such file or directory), client: 184.105.247.243, server: 54.248.101.249, request: "GET /favicon.ico HTTP/1.1", host: "54.248.101.249"
2022/08/11 05:52:14 [error] 3341766#3341766: *1653 open() "/usr/share/nginx/html/.env" failed (2: No such file or directory), client: 185.254.196.115, server: 54.248.101.249, request: "GET /.env HTTP/1.1", host: "54.248.101.249"

```

2022 年 8 月 11 日

回复了 hhhhhh123 创建的主题 › 程序员 › 我的服务器是不是被人盯上了？

soga ，确实是第一次做站长。。嘿嘿

2022 年 8 月 11 日

回复了 AnonymousXX 创建的主题 › 杭州 › 8.13 杭州周边有没有合适的地方看星星呀

看星星不是哪里都能看吗？天台？

2022 年 8 月 11 日

回复了 vvvvww 创建的主题 › NGINX › 准备要做一个技术分享会，主题是 Nginx，大家平时遇到什么坑可以讨论一下吗

那个最后能分享出来吗？

2022 年 8 月 11 日

回复了 fox0001 创建的主题 › Java › [请教]Spring Boot 使用 Redis，缓存集合数据的疑问

不懂 java 但是这种场景你想 o(1) 的话，可以用 set ，key: '{''国家 1"：xx, "国家 2":xx}' 用 json 就好了，才 200+个 key 而已 . 每次使用取出 key ，然后使用 json 转一下就行。

2022 年 8 月 5 日

回复了 hhhhhh123 创建的主题 › 程序员 › 如何定义，初中高级开发？

@echo314 soga

2022 年 8 月 5 日

回复了 hhhhhh123 创建的主题 › 程序员 › 如何定义，初中高级开发？

@mazhiyuan 我也觉得是看公司的划分制度

2022 年 8 月 5 日

回复了 hhhhhh123 创建的主题 › 程序员 › 如何定义，初中高级开发？

@fengjianxinghun 这可能是对 HR 招聘看的, 那我们自身应该如何去评价？

2022 年 8 月 2 日

回复了 hhhhhh123 创建的主题 › 程序员 › Python gunicorn + worker_class 除了默认 sync，像 gevent， eventlet 都无法使用.. [换区]

@vincent441 他好像是使用 sync 出了问题，然后推荐 gevent,eventlet 异步模式，我 sync 模式是完全 ok 的，但是 gevent,eventlet 模式不行.

2022 年 7 月 29 日

回复了 hhhhhh123 创建的主题 › C › c++ 在服务器上打包 so 文件问题

解决了 extern "C" 我删掉了忘记加上去了，所以没有导出来，加上后重新编译函数也能导出来了。

2022 年 7 月 29 日

回复了 hhhhhh123 创建的主题 › C › c++ 在服务器上打包 so 文件问题

@yolee599 0000000000006710 T OMP_EVAL
w _ITM_deregisterTMCloneTable
w _ITM_registerTMCloneTable
U _Unwind_Resume@GCC_3.0
0000000000007c40 T _Z9benchmarkv
000000000000b460 T _ZN3omp13CombinedRange10joinRangesERKSt6vectorIS1_ISt5arrayIhLm2EESaIS3_EESaIS5_EEm
000000000000ad90 T _ZN3omp13CombinedRange7shuffleEv
000000000000ae90 T _ZN3omp13CombinedRangeC1EjRKSt6vectorISt5arrayIhLm2EESaIS3_EE
000000000000ad00 T _ZN3omp13CombinedRangeC1Ev
000000000000ae90 T _ZN3omp13CombinedRangeC2EjRKSt6vectorISt5arrayIhLm2EESaIS3_EE
000000000000ad00 T _ZN3omp13CombinedRangeC2Ev
0000000000014930 T _ZN3omp13HandEvaluator10staticInitEv
00000000000164c0 R _ZN3omp13HandEvaluator11FLUSH_RANKSE
0000000000026460 B _ZN3omp13HandEvaluator11ORIG_LOOKUPE
0000000000022460 B _ZN3omp13HandEvaluator12FLUSH_LOOKUPE
00000000000147f0 T _ZN3omp13HandEvaluator14populateLookupEmjjjjjjb

还有很多这样的，次数超过限制所有发不出来

2022 年 7 月 29 日

回复了 hhhhhh123 创建的主题 › C › c++ 在服务器上打包 so 文件问题

@nifury @qbqbqbqb
@qbqbqbqb 我加了-fPIC 参数，虽然能编译，但是函数好像没有导出，这个时候应该怎么导出

2022 年 7 月 29 日

回复了 hhhhhh123 创建的主题 › C › c++ 在服务器上打包 so 文件问题

@qbqbqbqb 我删除 extern "C" __declspec(dllexport) 这个了，但是出现了上面的错误，你知道吗

2022 年 7 月 29 日

回复了 hhhhhh123 创建的主题 › C › c++ 在服务器上打包 so 文件问题

@nifury 你知道这个错误吗？我吧 extern "C" __declspec(dllexport) 删掉了

2022 年 7 月 29 日

回复了 hhhhhh123 创建的主题 › C › c++ 在服务器上打包 so 文件问题

```
g++ -O3 -std=c++11 -Wall -Wpedantic -pthread -c -o omp/CardRange.o omp/CardRange.cpp
g++ -O3 -std=c++11 -Wall -Wpedantic -pthread -c -o omp/CombinedRange.o omp/CombinedRange.cpp
g++ -O3 -std=c++11 -Wall -Wpedantic -pthread -c -o omp/EquityCalculator.o omp/EquityCalculator.cpp
g++ -O3 -std=c++11 -Wall -Wpedantic -pthread -c -o omp/HandEvaluator.o omp/HandEvaluator.cpp
ar rcs lib/ompeval.a omp/CardRange.o omp/CombinedRange.o omp/EquityCalculator.o omp/HandEvaluator.o
g++ -O3 -std=c++11 -Wall -Wpedantic -pthread -shared -o hongyu.so main.cpp benchmark.cpp lib/ompeval.a
/usr/bin/ld: lib/ompeval.a(HandEvaluator.o): warning: relocation against `_ZN3omp13HandEvaluator8cardInitE' in read-only section `.text.startup'
/usr/bin/ld: /tmp/ccUEKBa8.o: relocation R_X86_64_PC32 against symbol `_ZSt4cout@@GLIBCXX_3.4' can not be used when making a shared object; recompile with -fPIC
/usr/bin/ld: final link failed: bad value
collect2: error: ld returned 1 exit status
make: *** [Makefile:25: hongyu] Error 1
```

2022 年 7 月 29 日

回复了 hhhhhh123 创建的主题 › C › ubuntu /usr/include/c++/11/ 下的文件报错

@elfive 请教一下，win 本地 make 能 ok ，但是在服务器就找不到一个文件，这是没有指定路径还是啥？
main.cpp:1:10: fatal error: omp/EquityCalculator.h: No such file or directory
1 | #include <omp/EquityCalculator.h>
| ^~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.

2022 年 7 月 29 日

回复了 hhhhhh123 创建的主题 › C › ubuntu /usr/include/c++/11/ 下的文件报错

@elfive gcc 都是最新的。这不是源码吗？应该是官方的吧

2022 年 7 月 28 日

回复了 hhhhhh123 创建的主题 › C › ubuntu /usr/include/c++/11/ 下的文件报错

@elfive

In file included from omp/EquityCalculator.cpp:1:
omp/EquityCalculator.h:76:21: error: ‘std::function’ has not been declared
76 | std::function<void(const Results&)> callback = nullptr,
| ^~~~~~~~
omp/EquityCalculator.h:76:29: error: expected ‘,’ or ‘...’ before ‘<’ token
76 | std::function<void(const Results&)> callback = nullptr,
| ^
omp/EquityCalculator.h:202:10: error: ‘function’ in namespace ‘std’ does not name a template type
202 | std::function<void(const Results& results)> mCallback;
| ^~~~~~~~
omp/EquityCalculator.h:15:1: note: ‘std::function’ is defined in header ‘<functional>’; did you forget to ‘#include <functional>’?
14 | #include <unordered_map>
+++ |+#include <functional>
15 | #include <array>
omp/EquityCalculator.h:76:16: error: default argument missing for parameter 6 of ‘bool omp::EquityCalculator::start(const std::vector<omp::CardRange>&, uint64_t, uint64_t, bool, double, int)’
76 | std::function<void(const Results&)> callback = nullptr,
| ^~~~~~~~~~~~~
omp/EquityCalculator.h:74:67: note: ...following parameter 2 which has a default argument
74 | bool start(const std::vector<CardRange>& handRanges, uint64_t boardCards = 0, uint64_t deadCards = 0,
| ~~~~~~~~~^~~~~~~~~~~~~~
omp/EquityCalculator.cpp:13:6: error: no declaration matches ‘bool omp::EquityCalculator::start(const std::vector<omp::CardRange>&, uint64_t, uint64_t, bool, double, std::function<void(const omp::EquityCalculator::Results&)>, double, unsigned int)’
13 | bool EquityCalculator::start(const std::vector<CardRange>& handRanges, uint64_t boardCards, uint64_t deadCards,
| ^~~~~~~~~~~~~~~~
In file included from omp/EquityCalculator.cpp:1:
omp/EquityCalculator.h:74:10: note: candidate is: ‘bool omp::EquityCalculator::start(const std::vector<omp::CardRange>&, uint64_t, uint64_t, bool, double, int)’
74 | bool start(const std::vector<CardRange>& handRanges, uint64_t boardCards = 0, uint64_t deadCards = 0,
| ^~~~~
omp/EquityCalculator.h:22:7: note: ‘class omp::EquityCalculator’ defined here
22 | class EquityCalculator
| ^~~~~~~~~~~~~~~~
omp/EquityCalculator.cpp: In member function ‘void omp::EquityCalculator::updateResults(const omp::EquityCalculator::BatchResults&, bool)’:
omp/EquityCalculator.cpp:740:13: error: ‘mCallback’ was not declared in this scope
740 | if (mCallback)
| ^~~~~~~~~
make: *** [<builtin>: omp/EquityCalculator.o] Error 1

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