With Kibana’s basic license you can only use Index and Server log connectors for alert monitors, other connectors like Email require a Gold license instead.
As a work around, you can send emails with the Server log connector using swatchdog instead.
I needed to dump a MySQL database on a private Amazon VPC node, which was only accessible through an SSH bastion host.
Additionally, I only had read access on the private VPC node, so I wanted to run scripts and store data exclusively on the client.
IDRAC usually includes a HTML5 and/or Java-based GUI to access the serial console – but what about just using SSH instead?
The iptables firewall works great for blocking pesky single IPs, or ranges of IPs – but what if you want to do more than that, like blocking an entire country?
Creating a chrooted SFTP user can often be a bit tricky when it comes to ensuring they’re correctly restricted, whilst also still able to read/write files as needed. One way I’ve gotten around this is with bind mounts.
systemd-nspawn can be used to run processes in a container (by mounting a debootstrap directory), without the need for Docker or other virtualisation tools. They’re often well suited for running updated packages on an OS which may not otherwise support it by default.
I recently migrated a number of sites for a client from a Windows server to a new Linux server. This posed a few challenges – namely because the client had taken advantage of the fact that NTFS is case-insensitive in a Windows environment with IIS — but that’s not possible with EXT4 (yet). Instead, we…
GoAccess is a great tool for real-time web logs, but I recently ran into a bit of snag when trying to use it on a server with custom log rotation. I wanted GoAccess to process all of my web server logs, but continue to have the logs rotate on a daily basis, with compression on…