1.查看系統版本
cat /etc/centos-release
2.停掉服務service postgres-9.6 stop
如果在運行，默認的5432端口就能被監聽到
3.卸載舊版本的postgres
yum remove postgresql*
[root@Adfuser-Test-2 etc]# yum remove postgresql* Failed to set locale, defaulting to C Loaded plugins: fastestmirror, refresh-packagekit, security Setting up Remove Process Resolving Dependencies --> Running transaction check ---> Package postgresql.x86_64 0:8.4.20-8.el6_9 will be erased ---> Package postgresql-devel.x86_64 0:8.4.20-8.el6_9 will be erased --> Processing Dependency: postgresql-devel for package: aam-adfuser-2.80.0-18_1.el6.x86_64 ---> Package postgresql-libs.x86_64 0:8.4.20-8.el6_9 will be erased --> Running transaction check ---> Package aam-adfuser.x86_64 0:2.80.0-18_1.el6 will be erased --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Removing: postgresql x86_64 8.4.20-8.el6_9 @base 14 M postgresql-devel x86_64 8.4.20-8.el6_9 @base 3.4 M postgresql-libs x86_64 8.4.20-8.el6_9 @base 625 k Removing for dependencies: aam-adfuser x86_64 2.80.0-18_1.el6 @/aam-adfuser-2.80.0-18_1.el6.x86_64 35 M Transaction Summary ================================================================================ Remove 4 Package(s) Installed size: 52 M Is this ok [y/N]: y Downloading Packages: Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Erasing : aam-adfuser-2.80.0-18_1.el6.x86_64 1/4 warning: erase unlink of /etc/adfuser/tmp/aam_pkgs/aam_adfuser-2.80.0.post18-py2-none-any.whl failed: No such file or directory warning: erase unlink of /etc/adfuser/tmp/aam_pkgs/.must_exist_in_git_repo failed: No such file or directory warning: erase unlink of /etc/adfuser/tmp/aam_pkgs failed: No such file or directory warning: erase unlink of /etc/adfuser/tmp failed: No such file or directory Erasing : postgresql-devel-8.4.20-8.el6_9.x86_64 2/4 Erasing : postgresql-8.4.20-8.el6_9.x86_64 3/4 Erasing : postgresql-libs-8.4.20-8.el6_9.x86_64 4/4 Verifying : postgresql-devel-8.4.20-8.el6_9.x86_64 1/4 Verifying : aam-adfuser-2.80.0-18_1.el6.x86_64 2/4 Verifying : postgresql-libs-8.4.20-8.el6_9.x86_64 3/4 Verifying : postgresql-8.4.20-8.el6_9.x86_64 4/4 Removed: postgresql.x86_64 0:8.4.20-8.el6_9 postgresql-devel.x86_64 0:8.4.20-8.el6_9 postgresql-libs.x86_64 0:8.4.20-8.el6_9 Dependency Removed: aam-adfuser.x86_64 0:2.80.0-18_1.el6 Complete! [root@Adfuser-Test-2 etc]#
4.驗證是都卸載完畢
rpm -qa | grep postgresql
