tail -f letsencrypt.log
tail: unrecognized file system type 0x53464846 for ‘letsencrypt.log’. please report this to bug-coreutils@gnu.org. reverting to polling
- bug#25567: unrecognized file system type 0x53464846 for ‘... kinguru
- bug#25567: unrecognized file system type 0x53464846 ... Bernhard Voelker
- bug#25567: unrecognized file system type 0x53464... Philip Rowlands
- bug#25567: unrecognized file system type 0x5... Bernhard Voelker
