Ldd
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[[Catégorie:Linux sysadmin]] | [[Catégorie:Linux sysadmin]] | ||
Ldd is a Linux command line utility that is used in case a user wants to know the shared library dependencies of an executable or even that of a shared library. | Ldd is a Linux command line utility that is used in case a user wants to know the shared library dependencies of an executable or even that of a shared library. | ||
| + | |||
| + | ldd [OPTION]... FILE... | ||
| + | |||
| + | We can use ldd command switches that can be inserted into the | ||
| + | [OPTION] spot in the above command: | ||
| + | |||
| + | -v : Print all information. | ||
| + | -d : process data relocation. | ||
| + | -r : process data and function relocation. | ||
| + | -u : print unused direct dependencies. | ||
| + | |||
| + | Exemple: | ||
| + | user@internet:~$ ldd /bin/cp | ||
| + | linux-vdso.so.1 (0x00007ffd975b5000) | ||
| + | libselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1 (0x00007fd9ab5bc000) | ||
| + | libacl.so.1 => /lib/x86_64-linux-gnu/libacl.so.1 (0x00007fd9ab3b4000) | ||
| + | libattr.so.1 => /lib/x86_64-linux-gnu/libattr.so.1 (0x00007fd9ab1af000) | ||
| + | libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fd9aadbe000) | ||
| + | libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007fd9aab4c000) | ||
| + | libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fd9aa948000) | ||
| + | /lib64/ld-linux-x86-64.so.2 (0x00007fd9aba07000) | ||
| + | libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fd9aa729000) | ||
Version du 31 août 2020 à 10:53
Ldd is a Linux command line utility that is used in case a user wants to know the shared library dependencies of an executable or even that of a shared library.
ldd [OPTION]... FILE...
We can use ldd command switches that can be inserted into the [OPTION] spot in the above command:
-v : Print all information. -d : process data relocation. -r : process data and function relocation. -u : print unused direct dependencies.
Exemple:
user@internet:~$ ldd /bin/cp
linux-vdso.so.1 (0x00007ffd975b5000) libselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1 (0x00007fd9ab5bc000) libacl.so.1 => /lib/x86_64-linux-gnu/libacl.so.1 (0x00007fd9ab3b4000) libattr.so.1 => /lib/x86_64-linux-gnu/libattr.so.1 (0x00007fd9ab1af000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fd9aadbe000) libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007fd9aab4c000) libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fd9aa948000) /lib64/ld-linux-x86-64.so.2 (0x00007fd9aba07000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fd9aa729000)
