sar command fails with error "Requested activities not available in file /var/log/sa/saXX"
Issue
- Why does
sarfail with "Requested activities not available" error?
[root@example ~]# sar -n TCP
Requested activities not available in file /var/log/sa/saXX
[root@example ~]# sar -n UDP
Requested activities not available in file /var/log/sa/saXX
Environment
- Red Hat Enterprise Linux 7
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