Is it possible to use iostat (or some other tool) to get the number of reads/writes operation "since the last server reboot"? I mean: I'd need to know how many reads/writes the server has done since the last boot, not in realtime. Thanks!

On newer versions of yum, this information is stored in the "yumdb" when the package is installed. This is the only 100% accurate way to get the information, and you can use: yumdb search from_repo repoid (or repoquery and grep -- don't grep yum output). However the command "find-repos-of-inst...

So, to figure this out I did the following. Take your block number, multiply by four and add one (130856866 * 4) + 1 = 523427465 This represents the sector reported as producing an I/O error. The block size being 2k, sectors being 512 bytes. The additional one extra accounts for the starting ...

You need, at minimum, After=network.target in the [Unit] section of your unit file, to ensure that the network is up before starting nginx. I have no idea why your unit file doesn't have it. Here is a complete example from my handy Fedora system, as shipped by Fedora: [Unit] Description=The ngi...