Sending emails from web applications like PHP may result in rejecting the emails from some servers. Fighting spam emails results in too strict filters and…
Supermicro H11DSU-iN and dual AMD EPYC 7282 with Linux installed – system (GCC flags),kernel and device information
Here is what you can expect if you have new Linux kernel 5.5.11 installed on with AMD EPYC 7282. 8x SATA Controllers – SATA controller:…
nginx proxy cache and expires directive – pass-through the origin cache control
Proxying static content sometimes requires to modify the expire directive on the proxy server, but sometimes it may just need to pass the origin expire…
Dracut boot failed with missing device – exit and continue normal booting!
This issue deserves a much more article, in fact, a straightforward tip: You may be able to continue a normal boot only by typing “exit”…
docker-compose using private registry (repository) with shell executor in gilab-runner
Using docker-compose may make your life easier only if you use docker images from the official docker registry. And may live forever without knowing the…
Dual 10Gbit network using PCI 2.0 (5GT/s) x4 – what is the maximum bandwidth?
Ever wondered what is the maximum bandwidth of a Dual 10Gbit LAN card, which can be reached using a dual 10Gbit ports card in a…
podman – Error adding network: failed to allocate for range 0: 10.88.0.46 has been allocated after server reboot
We’ve just stumbled on the following error with one of our podman CentOS 8 servers after restart: Apparently, something got wrong, because the two containers…
firewalld and podman (or docker) – no internet in the container and could not resolve host
If you happen to use CentOS 8 you have already discovered that Red Hat (i.e. CentOS) switch to podman, which is a fork of docker….
send access logs in json to Elasticsearch using rsyslog
Here is a simple example of how to send well-formatted JSON access logs directly to the Elasticsearch server. It is as simple as Nginx (it…
syslog – UDP local to rsyslog and send remote with TCP and compression
This article is to show how to log Nginx’s access logs locally using UDP to the local rsyslog daemon, which will send the logs to…