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A collection of 8 posts

Upgrade TimescaleDB extension

TimescaleDB is extension for PostgreSQL database that greatly improve performance of database by automatically partitioning data into time-based chunks to support faster performance at scale. I use it with my Zabbix server when partitioning is a must when you have large amount of statistics. However update of TimescaleDB is a

Expand NetBSD root partition

Expand NetBSD root partition

I already wrote [https://pro-it.rocks/netbsd-pv-domu-lvm-disk-extend/] how to expand LVM partition on NetBSD, however expanding root partition is not as easy as none root partition. I've got schema prepared for small machines like firewalls and vpn terminators, which has only one 10GB disk, and whole filesystem is on one

Pseudo internet failover controlled by HomeAssistant and zigbee socket using ASA5520

Pseudo internet failover controlled by HomeAssistant and zigbee socket using ASA5520

This might look a little too complicated for its purpose, but it actually works quite very well. Recently I've migrated all standalone machines tu new server based on low voltage Atom C2758 CPU (8 core, 20W). Hypervisor of my choice is XCP-NG, as this was the easiets method to get

Server refused to allocate pty (NetBSD PV guest but probably related to PV Linuxes as well)

Server refused to allocate pty (NetBSD PV guest but probably related to PV Linuxes as well)

If you faced this kind of error on your terminal login as: **** Keyboard-interactive authentication prompts from server: | Password for ****@hostname.tld: End of keyboard-interactive prompts from server Server refused to allocate pty especially often in PV guest of XEN this means that there are no available terminals you can be

Zabbix on NetBSD with IPMI (+ some info of recent changes in pkgsrc)

Zabbix on NetBSD with IPMI (+ some info of recent changes in pkgsrc)

Finally on -CURRENT branch, and probably carried on to pkgsrc-2020Q4 there is new Zabbix port with version 5.0.6, and now also because openipmi came to pkgsrc (previously only ipmitool was available) can be compiled with IPMI support! With -current and future branches there is another change coming. As

How to migrate paravirtualized DomU CentOS from XEN NetBSD Dom0 to XCP-NG

How to migrate paravirtualized DomU CentOS from XEN NetBSD Dom0 to XCP-NG

Recently I had to migrate all machines from old R520 Dell Server running very dated XEN installation on NetBSD as Dom0. Here is uname from it: # uname -a NetBSD hostname.hostname 6.99.24 NetBSD 6.99.24 (XEN3_DOM0) #0: Wed Oct 2 09:54:05 UTC 2013 builds@

NetBSD LVM disk extend

NetBSD LVM disk extend

Recently I filled up all space for mails placed in LVM on NetBSD VM running in Xen (XCP-ng) environment. Filesystem Size Used Avail %Cap Mounted on /dev/mapper/varmailvg-virtuallv 984G 860G 74G 92% /var/mail/virtual There is still some free space, but this FS already started sending alerts.Xen

Instalacja i update Ghost oraz drobne problemy z wersjami node.js pod NetBSD z pkgsrc 2019Q4

Instalacja i update Ghost oraz drobne problemy z wersjami node.js pod NetBSD z pkgsrc 2019Q4

Pro-it.rocks działa pod kontrolą "bezgłowego" CMSa Ghost [https://ghost.org/]. Do jego działania potrzebny jest serwer nodowy node.js [https://nodejs.org/en/] oraz serwer www serwujący aplikację JavaScript na świat. Do zarządzania pakietami służy manager npm a sam Ghost posiada własne cli ułatwiające pracę z nim. Jeżeli środowisko