I recently upgraded two of my CentOS 6 VMs to CentOS 7.3. Both of these utilized ZFS. I installed ZFS using the repos from zfsonlinux.com as I have always done. I do always use the kmod version since I’ve had issues with the dkms version in the past when performing updates. I got my zpools imported just fine, but noticed that after rebooting that I would have to re-import them again. I started investigating this and eventually discovered such a simple solution.
I setup a Nextcloud server a few months back. I immediately enabled and configured encryption. I also keep daily file backups using rsync to a backup server. This backup does, of course, backup the encrypted versions of my files. Ever since setting this up, I’ve been trying to find a way to be able to restore an individual file from my backup, but until now I haven’t found a decent working solution. It seems, though, that I may have finally uncovered such a solution.
Just minutes ago I had a client forward me a copy of an email that they had just received. The email looked like a standard email that you receive when someone shares a Google Doc with you. The email was from an @gmail.com address. It contained a link to “Open in Docs” and the link was legitimate. When clicking on the link, the following page was displayed:
Whether your an IT Pro or just an average computer user, you are most likely familiar with something called DNS. You have likely gotten an error message in your browser indicating a DNS lookup failed, or have read an article mentioning DNS, or even had a computer technician walk you through verifying your computer’s DNS settings. If you are in IT, then you have most likely even encountered DNS in troubleshooting or while setting up a website or email server. After reading this post, you’ll have at least a good understanding of DNS, what it is, how it works, why it is important, and why things can break so easily when there is a DNS problem.
I had a personal blog hosted at www.jecal22.com, but decided that I really don’t use it anymore and preferred to have my tech blog hosted as the primary website. I’ve setup permanent forwards so any old links still using tech.jecal22.com will still work, but please note that the URL has indeed changed.