David Goodwin

Category: Uncategorized

  • Backing up Elasticsearch 7 to Azure container storage

    backing up elasticsearch in an azure container … random notes that might have saved me an hour or two of faffing around

  • Packer and Azure

    I needed to build some Virtual Machine images (using packer) for work the other day. I already have a configuration setup for packer (but for AWS) and when trying to add in support for an ‘azure-arm‘ builder, I kept getting the following error message in my web browser as I attempted to authenticate packer with…

  • Asus PN50 Desktop review

    A few weeks ago I bought an ASUS PN50 as a new desktop (to replace an aging Intel Skull Canyon NUC, which was starting to crash once a week – presumably with a hardware fault). I’d given up waiting for Intel to release a new NUC version – but of course a few weeks after…

  • It’s been a long time ….

    10 print “hello again world”

  • Postfix – qshape

    Somehow I’ve only just found out about ‘qshape’. It’s a nice little tool to help show what’s going on, on a postfix based mail server. You can summarise by sender (-s) and choose the queue …. which is a bit easier than trying to spot patterns in the ‘mailq’ output.

  • Dell XPS 13 (9300) … first thoughts

    I finally got fed up with my Google Pixelbook (nice keyboard, but ChromeOS was just too annoying and it seemed to lack the ‘oomph’ when it came to using e.g. phpStorm). Anyway, I bought a i7 Dell xps 13 (9300 …. it has an i7-1065G7 processor). Random thoughts : It’s fan is quite noisy (not…

  • Racism / White privilege

    My (ignorant) take on white privilege and racism ….

  • fail2ban, Debian buster/10 and iptables vs nftables

    Buster forces a move to nftables, unfortunately fail2ban thinks it’s still using iptables, so nothing gets blocked. To fix ….

  • Google Titan Security Key on Linux

    Fixing udev so a Titan security key works on Linux …

  • john the ripper on crypt passwords out of postfixadmin

    This might help my future self : SELECT username, password into outfile ‘/tmp/passwords.txt’ fields terminated by ‘:’ optionally enclosed by ” lines terminated by ‘\n’ from mailbox where mailbox.active = 1; and then : john /tmp/passwords.txt …. e.g. root@mail:~# john /tmp/passwords.txt Created directory: /root/.john Loaded 2327 password hashes with 2326 different salts (md5crypt [MD5 32/64…