linux 中查看glibc版本

[root@PC1 software]# ls -l /lib64/libc.so.6
lrwxrwxrwx. 1 root root 12 Jul 17 17:22 /lib64/libc.so.6 -> libc-2.17.so

[root@PC1 software]# /lib64/libc.so.6
GNU C Library (GNU libc) stable release version 2.17, by Roland McGrath et al.
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 4.8.5 20150623 (Red Hat 4.8.5-44).
Compiled on a Linux 3.10.0 system on 2022-05-18.
Available extensions:
        The C stubs add-on version 2.1.2.
        crypt add-on version 2.1 by Michael Glad and others
        GNU Libidn by Simon Josefsson
        Native POSIX Threads Library by Ulrich Drepper et al
        BIND-8.2.3-T5B
        RT using linux kernel aio
libc ABIs: UNIQUE IFUNC
For bug reporting instructions, please see:
<http://www.gnu.org/software/libc/bugs.html>.

[root@PC1 software]# strings /lib64/libc.so.6 | grep ^GLIBC | sort -V | head
GLIBC_2.2.5
GLIBC_2.2.6
GLIBC_2.2.6
GLIBC_2.3
GLIBC_2.3.2
GLIBC_2.3.3
GLIBC_2.3.4
GLIBC_2.4
GLIBC_2.5
GLIBC_2.5
[root@PC1 software]# strings /lib64/libc.so.6 | grep ^GLIBC | sort -V | tail
GLIBC_2.12
GLIBC_2.13
GLIBC_2.13
GLIBC_2.14
GLIBC_2.15
GLIBC_2.16
GLIBC_2.16
GLIBC_2.17
GLIBC_2.17
GLIBC_PRIVATE

[root@PC1 software]# ldd --version
ldd (GNU libc) 2.17
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper.

[root@PC1 software]# getconf GNU_LIBC_VERSION
glibc 2.17