Tag Archives | sar

sysstat – sar Invalid system activity file: /var/log/sysstat/sa19

After a recent upgrade (not sure which) the sar command stopped working, with the error output: Invalid system activity file: /var/log/sysstat/sa19 The saXX can be any number, and relates to the log file – which for some reason is corrupt/missing/unreadable. In my case it seems to exist, but doesn’t function. I’ve found the best remedy […]

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