Cardboard; an exciting scrollable tiling window manager
I’ve been having a lot of fun with Cardboard, the scrollable tiling window manager (WM) (STWM) for Linux. It’s quite an unusual WM, and it’s really only at the prototype stage. After the initial learning curve, I found that it helped me stay focused on one task, and it greatly reduced how much time I spent rearranging my windows. You’re probably most familiar with a stacking WM; an environment whe
How to take back control of /etc/resolv.conf on Linux
Several DNS-related programs want to automatically manage the DNS name server and resolution configuration file at /etc/resolv.conf. In some situations, you may want to manage this file yourself. Here is how you identify which programs are automatically managing this file on your Linux distribution, and how you can take back manual control of the file. There are quite a few different tools that fi
systemd service sandboxing and security hardening 101
systemd enable services to run with a whole suite of hardening and sandboxing features from the Linux kernel. Here’s how to get a quick security review of the services running on your system and how to go about hardening their security. The Linux kernel can filter and limit access to file systems, networks, devices, kernel capabilities and system calls (syscalls), and more. In this article, I’ll f
Review: ASUSWRT router firmware - Ctrl blog
Are you considering getting an ASUS wireless network product? This will be a fairly lengthy and in some places technical review of the many shortcomings of the ASUSWRT firmware that might change your mind about choosing ASUS networking products. I’m not reviewing the router I used for testing, a higher-end ASUS RT-AC87U, but rather the ASUSWRT (ASUS’ “Wireless Receiver/Transmitter”) firmware. The
IPv6 support finally arrive in Fail2Ban 0.10
The reaction to this headline from sysadmins who deploy Fail2Ban on an IPv6 enabled system is probably: “Fail2Ban doesn’t support IPv6‽” At least, that seems to be the reaction most admins have posted on forums and social media when they learn that Fail2Ban doesn’t support IPv6. Now Fail2Ban’s IPv4-only limitation is about to be lifted. Fail2Ban is a tool that identifies unwanted behaviors by moni
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