grep ipv4
egrep "^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$"
Articles from blogs I follow around the net
OpenBSD 7.7 Released
The OpenBSD project has announced OpenBSD 7.7, its 58th release. The new release contains a number of significant improvements, including but certainly not limited to: Multiple SMP improvements have been made. TCP output and TCP timers now run in parallel. Only TC…
via OpenBSD Journal 2025-04-27 18:30Running repl commands in cider (emacs)
Ok, I will admit.. this took a while. But I have found a nice way of doing this. What is this? Well, let’s say let’s say that you have a command to start your server in user namespace. With this cool feature, now you can run this with a emacs command (or s…
via Lucas E M M. opinions 2025-04-23 19:46Resistance from the tech sector
As of late, most of us have been reading the news with a sense of anxious trepidation. At least, those of us who read from a position of relative comfort and privilege. Many more read the news with fear. Some of us are already no longer in a position to read…
via Drew DeVault's blog 2025-04-20 00:00Generated by openring
/comments ~umgeher/changelog@lists.sr.ht?Subject=Re: grep ipv4
/permalink https://umgeher.org/posts/2022/01/grep-ipv4.html