Redundant IP-Address assignment simply means that if one node goes down, another takes over the Virtual IP. This can be useful in many different scenarios like firewalling or reverse proxy.
Running a cluster takes care of replication of data between several nodes. This example is running a three node cluster. Start by installing a base container with Debian 10 buster. Don’t forget to set fixed ip-addresses on your containers, i use dnsmasq to assign static leases based on hostname. Install MariaDB Configure the /etc/hosts file… Continue reading MariaDB Galera Cluster
A successful master slave setup requires an effective way for nodes to communicate
Secure incremental backups over the network
a colorful guide to wordpress administration
RFXtrx433XL USB-controllerfor sending and receiving signals wireless over the 433Mhz band. Raspberry PI 4B, 4GB
It’s not, it can actually be accomplished by using subuid (subordinate user id’s) & subgid (subordinate group id’s) built into the linux kernel.
Thats right, i saw the new lxc-top command that is available in 3.0 and i was kind of impressed. Since i’m running version 2 and wanted something similar, i decided to go with a simple bash script, the data is collected via proc and the values are converted with some help from BC (arbitrary precision… Continue reading lxc-top not found
Can be run from cron every night to make sure you keep those pesky hackers out.
Are you still using virtual machines like a sucker? here’s the complete guide to the future, it’s called containerization. I’ve been using chroot for years, not only for webpages with the php-fpm, but also for services like Postfix, Dovecot and Bind.