Author Archives: itdoctor - Page 8
Top 10 SQL metrics to monitor
1. SQLServer: Buffer Manager: Buffer cache hit ratioThe buffer cache hit ratio counter represents how often SQL Server is able to find data pages in its buffer cache when...
.htaccess – Basic authentication for all except some ips
AuthType Basic AuthName "Please Log In" AuthUserFile /some/path/.htpasswd Require valid-user Order deny,allow Deny from all Allow from Satisfy any
Test TCP connection without telnet or nc
It’s simple $ timeout 1 bash -c '< /dev/' $ echo $? 0
Issues when upgrading to Grafana v10.3.1
As you know we can use the variable in some of the format such as : ]$variable${variable} When upgrading to , i realize that the variable __interval_ms can’t...
Canon 70-200mm 2.8 IS – Auto focus not working – It’s hunting
I recently bought a used Canon 70-200mm IS . The lens is in good condition, but it has an issue with auto focus. When you try to focus,...
Azure: Finding Orphan Smart Detector Alert
This query can help you to identify the orphan smart detector alerts – there is also a command column which can help you to run it in resources...
InfluxDB- A good article
Good article: InfluxDB