This article shows how to add a new source in Grafana with screenshots. The source is InluxDB 1.8 with basic authentication enabled. The main purpose…
Monitor and analyze with Grafana, influxdb 1.8 and collectd under CentOS Stream 9
This article describes how to build a modern analytic and monitoring solutions for system and application performance metrics. A solution, which may host all the…
Change the LXC container root folder under CentOS with SELinux
The default LXC container folder in CentOS (all versions – 7,8, Stream 8 and Stream 9) is /var/lib/lxc, which may resides in the root partition….
lxc_attach_run_shell: 1333 Permission denied – failed to exec shell
An annoying error when using the LXC container tools like lxc-attach, which is really simple to fix. This error just reports the bash shell in…
DNF install and conflicting requests – nothing provides module(platform:el8) needed by module
Here there are broken modules in the DNF package manager. It was a result of an upgrade, but it may occur if some unofficial repositories…
Recover from Unable to fetch live group_replication member data from any server in cluster
After multiple networking connectivity issues between MySQL InnoDB Cluster nodes, the cluster may break and the MySQL Router begins to log the following messages: And…
How To Install Linux, Apache, MySQL (MariaDB), PHP-FPM (LAMP) Stack on CentOS Stream 9
This article describes how to install a Web server with application back-end PHP and database back-end MySQL using MariaDB. In continuing the same topic, but…
How To Install Linux, Nginx, MySQL (MariaDB), PHP-FPM (LEMP) Stack on CentOS Stream 9
This article presents how to install a Web server with application back-end PHP and database back-end MySQL using MariaDB. All the software installed throughout this…
How to upgrade to CentOS Stream 9 from CentOS Stream 8
This article will show how to update to CentOS Stream 9 from CentOS Stream 8. If only official repositories are used it is fairly easy…
Generate the rescue kernel boot entry in CentOS Stream 9
Regenerating the vmlinuz and initramfs for the rescue kernel of currently installed kernel under CentOS Stream 9 is really simple. There is a package dracut-config-rescue,…