Rsyslog writing to Elasticsearch could lead to an error for some of the records and missing to save them in the backend: Unfortunately, such writes…
software
collectd nginx plugin: curl_easy_perform failed because of selinux
Enabling the Nginx plugin for collectd under CentOS (or any other system using SELinux) might be confusing for a newbie. Most sources on the Internet…
aptly remove a package from a repository using the cli
Here is a fast tip – how to remove a package from our local aptly repository: Remove the package from the local repository. Create a…
Kibana server is not ready yet – and Waiting for that migration to complete in the logs
Now, living in the cloud and big data there is a time when the admin may need to save all their logs in a central…
Cron missing path – executing docker/podman – adding network: failed to locate iptables
If you have ever happened to execute some complex scripts using the cron system you were inevitable to discover the Linux environment was different than…
Mirror a PPA repositories using aptly – PHP (ppa:ondrej/php)
This is a simple example of how to mirror a PPA repository to a local server. The Ubuntu PPA to mirror is ppa:ondrej/php, which offers…
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…
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…
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….