Getting an up to date whois client on Debian is a requirement if you work in my world: wget http://ftp.ie.debian.org/debian/pool/main/w/whois/whois_5.0.17_amd64.deb dpkg -i whois_5.0.17_amd64.deb Problem solved .. Related articles IEDR Update WHOIS Output To Include Registration Date (internetnews.me) A Confession About The ICANN WHOIS Data Reminder Policy … [Read more...] about Updating Whois On Debian
Linux
Linux Sysadmin Type Wanted
We're hiring for a number of roles at the moment over in Blacknight The latest one we announced was this one for a Linux Systems Engineer Think you qualify? Then please apply … [Read more...] about Linux Sysadmin Type Wanted
Checking Which Ports Are Doing What On Linux
From time to time it's handy to be able to see exactly which process is using a particular port on a Linux system - especially if you're debugging issues. This command will let you see exactly what's going on - you simply change the port number: lsof -i:80 If you need the standard port numbers you can check this list … [Read more...] about Checking Which Ports Are Doing What On Linux
Postfix Mail Queue Management
This is more as a reminder for myself than anything else since I tend to forget Postfix commands unless I use them regularly.To see all mails in the current queue:mailqTo flush the mail queue run:postfix flushTo remove all the mail from the queue (ie. delete it) run:postsuper -d ALL … [Read more...] about Postfix Mail Queue Management
Tweaking Spam Filters
I've been running my own mail server for this domain and several others for a few years. I could have used our main mail servers, but I like messing around with the server settings and trying out new things.One thing that I hadn't been checking too stringently on my inbound email was SPF.Sure, I had it set up on several of my domains so that anyone else getting mail from me … [Read more...] about Tweaking Spam Filters