To find all the RPM packages which were installed on a particular date in a Linux Server:

# rpm -qa –queryformat “%{NAME}-%{VERSION}.%{RELEASE} (%{ARCH}) INSTALLED: %{INSTALLTIME:date}\n” | grep my_date  


Example:


rpm -qa –queryformat “%{NAME}-%{VERSION}.%{RELEASE} (%{ARCH}) INSTALLED: %{INSTALLTIME:date}\n” | grep “21 Sep 2009”

To find the install date and time of a particular RPM package in a Linux Server:


# rpm -qa –queryformat “%{NAME}-%{VERSION}.%{RELEASE} (%{ARCH}) INSTALLED: %{INSTALLTIME:date}\n” | grep rpm_package_name


Example:

rpm -qa –queryformat “%{NAME}-%{VERSION}.%{RELEASE} (%{ARCH}) INSTALLED: %{INSTALLTIME:date}\n” | grep libaio