There are the three steps to configure your Quagga bgpd daemon to be able to run and configure remotely. The idea of this article is…
software
bind – dump cache, how much memory might be occupied by the query cache
It is difficult to understand how BIND manages the occupied memory of your server. And most of the problems for DNS forwarders are the memory…
List all your files (and directories) with file size over FTP without ls -R (recursive)
A great piece of software is lftp – sophisticated file transfer program This little console tool could ease your life significantly with many enhancements to…
MariaDB/MySQL replication error – Error during XID COMMIT: failed to update GTID state in mysql.gtid_slave_pos
When in aggressive parallel mode MariaDB/MySQL replication could fail with: This table is used for tracking the replication process and you might probably just do:…
bind – dns server queries statistics with statistics-file
There is an option “statistics-file” in the BIND9 configuration for query statistics. It will give you statistics for Incoming Requests – total number of queries…
nginx with php fpm (fastcgi) and the warning – an upstream response is buffered to a temporary file /var/cache/nginx/fastcgi_temp
As the web grows and the technology advances the page size of the web sites also grows or just some times you might want to…
megacli – FW error description: The current operation is not allowed … offline or missing virtual drives
Probably everyone who has ever touched LSI controllers and the megacli tool has had this error or he is going to have it for sure!…
Installing and running BOINC client (with SETI project) under CentOS 7
Here is how you can install a BOINC client and attach it to a project (SETI). We use only command line tools, not GUI involved…
The simplest nagios setup to make a phone call on a critical notification – using twilio service
The aim of this article is to show you the simplest way you can achieve your monitoring Nagios system to make a phone call on…
rsync and selinux – opendir failed: Permission denied
Selinux could sometime mess up with your setup. Let’s say you configured your rsync daemon but still, you get the error related to permissions when…