debian の glibcのバージョンの確認
$ cat /etc/debian_version 9.11
$ /lib/x86_64-linux-gnu/libc.so.6 GNU C Library (Debian GLIBC 2.24-11+deb9u4) stable release version 2.24, by Roland McGrath et al. Copyright (C) 2016 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 6.3.0 20170516. Available extensions: 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 libc ABIs: UNIQUE IFUNC For bug reporting instructions, please see: <http://www.debian.org/Bugs/>.