Install Adobe Flash Player 28 and centosrel on fedora, centos, and rhel
Switch to the root user to add Adobe RepositoryAdobe Repository 32-bit x86
Rpm-ivh http://linuxdownload.adobe.com/adobe-release/adobe-release-i386-1.0-1.noarch.rpm
Rpm-import/etc/pki/rpm-gpg/RPM-GPG-KEY-adobe-linux
Adobe Repository 64-bit x86_64
Rpm-ivh http://linuxdownload.adobe.com/adobe-release/adobe-release-x86_64-1.0-1.noarch.rpm
Rpm-import/etc/pki/rpm-gpg/RPM-GPG-KEY-adobe-linux
Install Adobe Flash Player 28 Fedora 27/26/25/24
Dnf install flash-plugin alsa-plugins-pulseaudio libcurl
Fedora 23/22
Dnf install flash-plugin nspluginwrapper alsa-plugins-pulseaudio libcurl
CentOS/RHEL 7.4
Yum install flash-plugin alsa-plugins-pulseaudio libcurl
CentOS/RHEL 6.9
Yum install flash-plugin nspluginwrapper alsa-plugins-pulseaudio libcurl
Test whether your flash can be used normally.
Check is Adobe Flash Plugin Working