SOLVED: Yum 503 Service Unavailable January 16, 2019Centos, Linux, Tech Solutionscentos, minimal, yumMike Dixson This post was an absolute life save, Yum was being blocked by our application aware firewall Palo Alto [CentOS 6] Need help with yum (Errno 14) from CentOS Share this:Click to share on Facebook (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)MoreClick to print (Opens in new window)Click to share on Pinterest (Opens in new window)Like this:Like Loading... Related