linux · Talk About IT!

Connect to Windows over Rsync

Trying to connect your Linux-based servers to Windows workstations to pull data via rsync? Here’s how. Install OpenSSH service On the Windows side, install the optional OpenSSH Service: # Powershell Add-WindowsCapability -Online -Name OpenSSH.Server* Start-Service sshd Set-Service -Name sshd -StartupType 'Automatic' New-NetFirewallRule -Name sshd -DisplayName 'OpenSSH Server (sshd)' ` -Enabled True -Direction Inbound -Protocol TCP -Action Allow -LocalPort 22 There are plenty of tutorials to do it through the GUI with Optional Features; given how much Microsoft is changing their menu options, you will need to look it up for your particular version of Windows.

ssh

SSH Agents

Summary: SSH Agents hold your SSH keys while you traverse to other SSH targets, without revealing your private keys. Longer Explanation The concept of SSH keys should not be lost on you; if it is, check out my post about SSH keys made easy. However, if your ~/.ssh/authorized_keys file is getting long, and especially if you’re the only user, then you could use an SSH agent to help out.

best practices

Setup BIND9 with ISC-DHCP-SERVER dynamic host registration

Having a decent DNS system is mandatory if you have more than a few devices on your network. If WINS fails (or becomes obsolete), or Bonjour doesn’t fit your needs, try this out on your Linux server!

debian

Growing 2-disk RAID1 array to a 4-disk RAID10 array in Debian

Question: I have a two-disk RAID-1 array in mdadm, and I purchased two more disks. How can I grow the array to use the new disks?

Answer: This took some strategy and time. In short, we install the disks, create a new RAID-10 with two missing disks, copy data over, and replace disks one at a time.

encryption

SSH Keys Made Easy

Let’s talk about what makes an SSH key pair work, making them secure, and how to actually use them, in plain English!

debian

Creating an SSH Tunnel

So today, I was helping someone with a multi-site WordPress issue, and I linked to my blog. But guess what? It wasn’t coming up! All my external tests seemed to work, including Down for Everyone or Just Me, and even Cloudflare! I could still SSH into my server (as I was watching log files scroll by anyways!), so I knew it was up and accessible. So, what’s next?