ads' corner

New Blog

New blog. Or, more exactly, new blog software. I moved this blog from Serendipity to Hugo.

Migration from Twitter to Mastodon

Many people (I don’t like this phrase) are leaving Twitter these days, and looking for a new social media home. One of these places is Mastodon. This blog post aims to summarize the steps necessary for a migration, and includes pointers to websites which can help with said move.

Migrate Maildir to Gmail

Recently it was time to refurbish our email infrastructure. For a very long time I was hosting everything for myself, but things don’t get easier and over time even the spam filters couldn’t catch up. Therefore I looked into a number of hosted services, and in the end settled with Google Gmail.

End of last year I ran a test, migrated one of my domains over to Gmail and tried out if Gmail offers all the required functionality. As with every change, not everything works flawlessy, but mostly I found ways to get things working. As example we have different domains, several users, multiple identities (one per domain), other servers (like a webserver) can create emails as well (needs to play well with SPF and DKIM), a number of different email programs, mobile support and more.


How to not export data in Ispirer SQLWays

Ispirer SQLWays is a nice (although commercial) tool to convert DDL and data from one supported database to another. We are using it regularly, the list of supported databases is impressive: PostgreSQL, Greenplum, Oracle, SQL Server, IBM DB2, MySQL, Sybase, Informix, Teradata, *Netezza *and some more.

There’s just one thing which I always forget: SQLways exports all data by default, which makes the export unnecessary big and slow.