How to Use dd Command to Test the Hard Disk Speed?
To test the disk speed with the dd command, you can use it to write a temporary file and measure the write and read speeds. Here are examples: Test …
Category: DevOps
How to Check Hard Disk Type (NVMe SSD) on Servers/VMs?
The post shows a different ways to test if your hard drives on the servers are SSD or NVMe. Another one would be to use the “dd” command to …
Site Reliability Engineer (SRE) vs Software Engineer
In recent years, many Big Companies have job openings for Site Reliability Engineer (SRE). For example, Google, Facebook/Meta or Bytedance Tiktok. Please note that Software Engineer is the same …
The minpoll and maxpoll in Network Time Protocol (NTP)
The Network Time Protocol (NTP) can be installed via: sudo apt install ntp The configuration for the NTP server (time synchronization) is located at: /etc/ntp.conf. In Network Time Protocol …
How to Get the Last Requests to Apache2 Server?
The apache server logs the access requests in /var/log/apache2 so we can analyse this log file to find out the last few requests. The following parses the apache2 server …
