当运行ldd
工具找到httpd
共享库,我发现以下情形,我只是无法解释:ldd不同的输出。相同的二进制发行版不同
在我Ubuntu
箱:
[email protected]:~/Uol/Lxc/py_utils/Container_Builder/_builds/usr/sbin$ ldd httpd
linux-gate.so.1 => (0xf77b2000)
libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0xf7712000)
libpcre.so.0 => not found
libselinux.so.1 => /lib/i386-linux-gnu/libselinux.so.1 (0xf76f2000)
libaprutil-1.so.0 => not found
libcrypt.so.1 => /lib/i386-linux-gnu/libcrypt.so.1 (0xf76c1000)
libexpat.so.1 => /lib/i386-linux-gnu/libexpat.so.1 (0xf7697000)
libdb-4.7.so => not found
libapr-1.so.0 => not found
libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xf767b000)
libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xf74d6000)
/lib/ld-linux.so.2 (0xf77b3000)
libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xf74d1000)
并在CentOS
框:
[[email protected] sbin]# ldd httpd
linux-gate.so.1 => (0x008b6000)
libm.so.6 => /lib/libm.so.6 (0x0036f000)
libpcre.so.0 => /lib/libpcre.so.0 (0x00835000)
libselinux.so.1 => /lib/libselinux.so.1 (0x0021f000)
libaprutil-1.so.0 => /usr/lib/libaprutil-1.so.0 (0x00dfa000)
libcrypt.so.1 => /lib/libcrypt.so.1 (0x003de000)
libexpat.so.1 => /lib/libexpat.so.1 (0x00695000)
libdb-4.7.so => /lib/libdb-4.7.so (0x0040e000)
libapr-1.so.0 => /usr/lib/libapr-1.so.0 (0x00110000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00257000)
libc.so.6 => /lib/libc.so.6 (0x00e37000)
/lib/ld-linux.so.2 (0x00aae000)
libdl.so.2 => /lib/libdl.so.2 (0x0096d000)
libuuid.so.1 => /lib/libuuid.so.1 (0x007c8000)
libfreebl3.so => /lib/libfreebl3.so (0x00d94000)
为什么libuuid和libfreebl3已在CentOS
框中列出,但未在Ubuntu
框中列出?
我知道httpd ELF
不会列出它们作为一个依赖:
0x00000001 (NEEDED) Shared library: [libm.so.6]
0x00000001 (NEEDED) Shared library: [libpcre.so.0]
0x00000001 (NEEDED) Shared library: [libselinux.so.1]
0x00000001 (NEEDED) Shared library: [libaprutil-1.so.0]
0x00000001 (NEEDED) Shared library: [libcrypt.so.1]
0x00000001 (NEEDED) Shared library: [libexpat.so.1]
0x00000001 (NEEDED) Shared library: [libdb-4.7.so]
0x00000001 (NEEDED) Shared library: [libapr-1.so.0]
0x00000001 (NEEDED) Shared library: [libpthread.so.0]
0x00000001 (NEEDED) Shared library: [libc.so.6]
任何见解?
编辑:在两个测试中使用的httpd二进制文件是同一个(我从CentOS RPM解压缩)。
在Ubuntu上找不到一些库,但它们在Centos上找到,他们可能会自己拉库。 –
对于libuuid,确实是这种情况(libaprutil-1需要)。但是我在libfreebl3上找不到任何东西。 –
你运行'ldd -v'来检查谁调用libfreebl? – mbarthelemy