lddコマンドで必要なライブラリを表示

lddコマンドを使うと、プログラムの実行に必要なライブラリを表示することができる

 ldd /sample_jets_app/LambdaLayer/bin//chromedriver
    linux-vdso.so.1 (0x00007ffc1fb43000)
    libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f05b155e000)
    libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f05b153d000)
    librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f05b1533000)
    libglib-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f05b1414000)
    libnss3.so => not found
    libnssutil3.so => not found
    libnspr4.so => not found
    libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 (0x00007f05b12d1000)
    libX11-xcb.so.1 => not found
    libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f05b12a7000)
    libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f05b1124000)
    libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f05b110a000)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f05b0f47000)
    /lib64/ld-linux-x86-64.so.2 (0x00007f05b206a000)
    libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f05b0ed3000)
    libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 (0x00007f05b0ccf000)
    libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f05b0ac9000)
    libbsd.so.0 => /usr/lib/x86_64-linux-gnu/libbsd.so.0 (0x00007f05b0aaf000)

なお、ライブラリのPATH追加はこう

$export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib64