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CentOSでパッケージの依存関係をTree表示したい

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CentOSでパッケージの依存関係をTree表示したい

AというパッケージがBというパッケージに依存していて、そのBというパッケージはCとDのパッケージに依存していて・・・という関係をTree構造で一気に見るコマンドがあります。

repoqueryです。yum-utilsというパッケージに入っています。

CentOS7とCentOS8のそれぞれで、postfixパッケージの依存関係を見てみましょう。

CentOS7の場合
# yum install -y yum-utils

# repoquery --tree-requires postfix
postfix-2:2.10.1-9.el7.x86_64 [cmd line]
 \_  bash-0:4.2.46-34.el7.x86_64 [2: /bin/bash, /bin/sh]
 |   \_  glibc-0:2.17-307.el7.1.i686 [1: rtld(GNU_HASH)]
 |   \_  glibc-0:2.17-307.el7.1.x86_64 [4: libc.so.6(GLIBC_2.15)(64bit), libdl.so.2()(64bit), libdl.so.2(GLIBC_2.2.5)(64bit), rtld(GNU_HASH)]
 |   \_  ncurses-libs-0:5.9-14.20130511.el7_4.x86_64 [1: libtinfo.so.5()(64bit)]
 |   |   \_  glibc-0:2.17-307.el7.1.i686 [2: /sbin/ldconfig, rtld(GNU_HASH)]
・・・・
以下大量に
CentOS8の場合
# dnf install -y yum-utils

# repoquery --tree --requires postfix
postfix-2:3.3.1-12.el8.x86_64
 \_ bash-0:4.4.19-10.el8.x86_64 [6: rtld(GNU_HASH), libdl.so.2()(64bit), libdl.so.2(GLIBC_2.2.5)(64bit), libc.so.6(GLIBC_2.15)(64bit), libtinfo.so.6()(64bit), filesystem >= 3]
 |   \_ filesystem-0:3.8-2.el8.x86_64 [2: /bin/sh, setup]
 |   |   \_ bash-0:4.4.19-10.el8.x86_64 [6: rtld(GNU_HASH), libdl.so.2()(64bit), libdl.so.2(GLIBC_2.2.5)(64bit), libc.so.6(GLIBC_2.15)(64bit), libtinfo.so.6()(64bit), filesystem >= 3]
 |   |   \_ setup-0:2.12.2-5.el8.noarch [1: system-release]
・・・・
以下大量に

CentOS7とCentOS8で少しだけオプションが違うようです。

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