IT'S A UNIX SYSTEM

My personal blog, mostly tech stuff.

• 2021-12-02» Getting rid of Riester, DVAG, Generali
• 2021-05-10» Running a private mail server for six years, easy peasy
• 2021-03-14» Up-to-date filebeat for 32bit Raspbian (armhf)
• 2020-11-27» Debian, QEMU, libvirt, qcow2 and fstrim
• 2020-11-24» persistent postfix config inside PHP docker container
• 2020-11-15» Keeping latest kernels in Debian with backports and puppet
• 2018-04-19» Moving from Firefox ESR to Firefox Quantum, or bye RequestPolicy
• 2018-02-05» Upgrading to Debian Stretch & fixing Cacti thold notification mails
• 2017-06-07» Upgrading to Debian Stretch with dovecot, postfix & opendkim
• 2016-11-17» Encrypt an existing Linux installation with LUKS and LVM
• 2016-07-22» PGP key generation - increase system entropy
• 2016-06-27» Detach running processes from SSH shells
• 2016-03-08» Accelerating MySQL file imports
• 2016-03-06» Virtual machine backup without downtime (update)
• 2016-03-05» Erasing hard disks fast & securely with OpenSSL