求 5.4.45 卸载后再安装提示已安装的解决方法，谢谢！
再安装提示：[code]Package libcurl-devel-7.29.0-46.el7.x86_64 already installed and latest versionPackage patch-2.7.1-10.el7_5.x86_64 already installed and latest version
No package libmcrypt-devel available.
No package libmhash-devel available.
Package ncurses-devel-5.9-14.20130511.el7_4.x86_64 already installed and latest version
Package bzip2-1.0.6-13.el7.x86_64 already installed and latest version
Package libcap-devel-2.22-9.el7.x86_64 already installed and latest version
Package ntp-4.2.6p5-28.el7.centos.x86_64 already installed and latest version
No package sysklogd available.
Package diffutils-3.3-4.el7.x86_64 already installed and latest version
Package sendmail-8.14.7-5.el7.x86_64 already installed and latest version
Package iptables-1.4.21-24.1.el7_5.x86_64 already installed and latest version
Package unzip-6.0-19.el7.x86_64 already installed and latest version
Package cmake-2.8.12.2-2.el7.x86_64 already installed and latest version
Package wget-1.14-15.el7_4.1.x86_64 already installed and latest version
No package re2c available.
Package bison-3.0.4-1.el7.x86_64 already installed and latest version
Package icu-50.1.2-15.el7.x86_64 already installed and latest version
Package libicu-50.1.2-15.el7.x86_64 already installed and latest version
Package libicu-devel-50.1.2-15.el7.x86_64 already installed and latest version
Package net-tools-2.0-0.22.20131004git.el7.x86_64 already installed and latest version
Package psmisc-22.20-15.el7.x86_64 already installed and latest version
Package 2:vim-enhanced-7.4.160-4.el7.x86_64 already installed and latest version
Nothing to do
5.4.45 is Installed
[/code] 我也遇到该问题。
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