Collect and report system activity information using sysstat a system performance tools for the Linux operating system

Create shell script to determine how long specified remote server or device was offline. It is not designed to substitute monitoring solution, but to determine how long it will take to reboot server or device. It is using convert seconds to human readable time code to display results.

It is very annoying to hear loud beeps at home especially at night or when listening to music. To turn off the system bell just follow a couple of steps below and enjoy pure silence.

After 25 months of development the Debian project is proud to present its new stable version 10 (code name buster), which will be supported for the next 5 years thanks to the combined work of the Debian Security team and of the Debian Long Term Support team. Debian 10 buster ships with several desktop applications…

Need to monitor Linux server performance? Try these built-in commands and a few add-on tools. Most distributions come with tons of Linux monitoring tools. These tools provide metrics which can be used to get information about system activities. You can use these tools to find the possible causes of a performance problem. The commands discussed…

On Windows there are a slew of file recovery tools which will peer intently at an optical disc, retrying until they recover every possible file. The leading tool is probably Isobuster, but there are dozens of candidates for the title. There are few automated (or even user-friendly) data recovery tools on Linux or UNIX(tm) platforms,…

MX records is a DNS record only used for emails. It is the only email DNS record, and can be used in combination with other records.Unlike other DNS, you can create duplicates, pointed to different destinations for failsafe reasons. MX records typically do not have any Host values.

The DKIM Record tool will test a domain name and selector for a valid published DKIM key record. DomainKeys Identified Mail (DKIM) defines a domain-level digital signature authentication framework for email by permitting a signing domain to assert responsibility for a message in transit. DKIM authenticates the reputation and identity of the sender and their…

Port Checker is a simple and free online tool for checking open ports on your computer/device, often useful in testing port forwarding setup on a machine. For instance, if you’re facing connection issue with a program (email, IM client etc) then it may be possible that the port required by the application is getting blocked…

The DMARC Record Lookup / DMARC Check is a diagnostic tool that will parse the DMARC Record for the queried domain name, display the DMARC Record, and run a series of diagnostic checks against the record