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Can't call bigint->hex, not a valid method or Undefined subroutine &bigint::hex called

 

cpan App::cpanminus
cpanm --sudo bignum
change "use bignum" by "use bigint" 

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ubuntu 添加root登录

Login to your server as root. As the root user, edit the sshd_config file found in  /etc/ssh/sshd_config : vim /etc/ssh/sshd_config ( For details on working with Vim check out our article here !) Add the following line to the file, you can add it anywhere but it’s good practice to find the block about authentication and add it there. PermitRootLogin yes Save and exit the file. Restart the SSH server: systemctl restart sshd or service sshd restart

源码编译LLVM

  cmake -S llvm -B build -G "Unix Makefiles" -DLLVM_ENABLE_PROJECTS="clang" -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind;compiler-rt;libc;openmp" -DCMAKE_BUILD_TYPE=Release   cd build/   make -j8