Useful tips for everyday
How do I know if my Linux is SSD? To view the results of the test, issue the command sudo smartctl -a /dev/sdX (Where sdX…
What is DNS query logging? DNS servers often provide some form of query logging, also referred to as analytical logging. These events detail all requests…
Can you unzip a curl? With curl it’s a little easier than wget because it can request compression and decompress without piping (url truncated for…
How do I increase the size of my qcow2 disk? Expanding images Shut down the virtual machine. Resize the image with qemu-img resize image.qcow2 +SIZE.…
How do I add an attachment to Sendmail? How to Attach a File With Sendmail in Linux Open the Terminal. Type “uuencode /path/filename. ext |…
Are there any you boot overlays for beagleboneblack Debian? We’ve said our farewells and U-Boot Overlays is the way forward: https://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays With multiple parties working…
Can Nmap detect MAC address? If you’re using nmap, MAC addresses are only available if you’re on the same network segment as the target. Newer…
How to show the output of the ps command? If you want to display the output of the ps command, one page at a time…
What is end of life date of Red Hat Enterprise Linux 6? November 30, 2020 End of maintenance Version General availability Extended life cycle support…
Why do I get a disk boot failure message? If you set the wrong BIOS boot order, your computer will follow the incorrect order to…