centos7、centos8、rocky9、ubuntu22.04 gnu c库对比

 

001、centos7

[root@pc1 test01]# cat /etc/redhat-release      ## 系统centos7
CentOS Linux release 7.6.1810 (Core)
[root@pc1 test01]# ldd --version                ## 利用ldd查询
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 test01]# strings /lib64/libc.so.6 | grep "^GLIBC" | sort -rV | head  ## 利用strings查询
GLIBC_PRIVATE
GLIBC_2.17
GLIBC_2.17
GLIBC_2.16
GLIBC_2.16
GLIBC_2.15
GLIBC_2.14
GLIBC_2.13
GLIBC_2.13
GLIBC_2.12

 

002、centos8

[root@localhost test01]# cat /etc/redhat-release    ## 系统
CentOS Linux release 8.4.2105
[root@localhost test01]# ldd --version              ##查看最高版本
ldd (GNU libc) 2.28
Copyright (C) 2018 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@localhost test01]# strings /lib64/libc.so.6 | grep "^GLIBC" | sort -rV | head    ## 利用strings查询
GLIBC_PRIVATE
GLIBC_2.28
GLIBC_2.28
GLIBC_2.27
GLIBC_2.26
GLIBC_2.26
GLIBC_2.25
GLIBC_2.25
GLIBC_2.24
GLIBC_2.23

 

003、rocky9

[root@PC1 test01]# cat /etc/redhat-release            ## 系统版本rocky9.3
Rocky Linux release 9.3 (Blue Onyx)
[root@PC1 test01]# ldd --version                      ## 利用ldd命令查询
ldd (GNU libc) 2.34
Copyright (C) 2021 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 test01]# strings /lib64/libc.so.6 | grep "^GLIBC" | sort -rV | head    ## 利用strings查询
GLIBC_PRIVATE
GLIBC_2.34
GLIBC_2.33
GLIBC_2.33
GLIBC_2.32
GLIBC_2.31
GLIBC_2.30
GLIBC_2.29
GLIBC_2.29
GLIBC_2.28

 

004、ubuntu 22.04中

root@liujiaxin001:~# lsb_release -a          ## 查看系统
No LSB modules are available.
Distributor ID:    Ubuntu
Description:    Ubuntu 22.04.4 LTS
Release:    22.04
Codename:    jammy
root@liujiaxin001:~# ldd --version           ## ldd查询
ldd (Ubuntu GLIBC 2.35-0ubuntu3.6) 2.35
Copyright (C) 2022 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@liujiaxin001:~# ldd $(which top) | grep "libc.so"  ## ldd 一个当前系统中c库编写的一个动态可执行程序，找出libc.so.6的位置
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007bee60a00000)          ## strings查询
root@liujiaxin001:~# strings /lib/x86_64-linux-gnu/libc.so.6 | grep "^GLIBC" | sort -rV | head -n 5
GLIBC_PRIVATE
GLIBC_2.35
GLIBC_2.34
GLIBC_2.33
GLIBC_2.32

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