一、起因：我想搭建LNMP环境，需要安装以下rpm包
在使用源码包安装服务程序之前，首先要让安装主机具备编译程序源码的环境，他需要具备C语言、C++语言、Perl语言的编译器，以及各种常见的编译支持函数库程序。
因此请先配置妥当Yum软件仓库，然后把下面列出的这些软件包都统统安装上：
1 [root@linuxprobe ~]# yum install -y apr* autoconf automake bison
bzip2 bzip2* compat* cpp curl curl-devel fontconfig fontconfig-devel freetype freetype* freetype-devel
gcc gcc-c++ gd gettext gettext-devel glibc kernel kernel-headers keyutils keyutils-libs-devel krb5-devel
libcom_err-devel libpng libpng-devel libjpeg* libsepol-devel libselinux-devel libstdc++-devel libtool* libgomp
libxml2 libxml2-devel libXpm* libtiff libtiff* make mpfr ncurses* ntp openssl openssl-devel patch pcre-devel perl
php-common php-gd policycoreutils telnet t1lib t1lib* nasm nasm* wget zlib-devel
二、问题：出现报错
1 Transaction check error: 2 file /etc/libvirt/libvirt.conf from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 3 file /usr/lib64/libvirt-lxc.so.0 from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 4 file /usr/lib64/libvirt-qemu.so.0 from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 5 file /usr/lib64/libvirt.so.0 from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 6 file /usr/share/libvirt/cpu_map.xml from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 7 file /usr/share/libvirt/schemas/basictypes.rng from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 8 file /usr/share/libvirt/schemas/capability.rng from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 9 file /usr/share/libvirt/schemas/domain.rng from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 10 file /usr/share/libvirt/schemas/domaincommon.rng from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 11 file /usr/share/libvirt/schemas/domainsnapshot.rng from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 12 file /usr/share/libvirt/schemas/interface.rng from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 13 file /usr/share/libvirt/schemas/network.rng from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64 14 file /usr/share/libvirt/schemas/networkcommon.rng from install of libvirt-libs-4.5.0-23.el7_7.6.x86_64 conflicts with file from package libvirt-client-1.1.1-29.el7.x86_64
………………省略
我们可以查看一些相关信息
[root@localhost ~]# rpm -qa | grep libvirt* [root@localhost ~]# rpm -qi libvirt-client-1.1.1-29.el7.x86_64 [root@localhost ~]# rpm -ql libvirt-client-1.1.1-29.el7.x86_64 …………省略
三、解决：方法是把不需要的版本删掉（低版本）
1 [root@localhost admin]# yum -y update libvirt-client
方法一：使用yum来升级CentOS 7.0老旧的包。
yum -y remove libvirt-client-1.1.1-29.el7.x86_64
方法二：使用yum来卸载，若用此法卸载该安装包，会造成相关依赖包也被卸载，最后系统会黑屏！这也是我一直错误的地方。
好吧，我得承认，这个方法并不有效。