After a network connectivity problems with one of the member in a group of 3 MySQL InnoDB Cluster servers, the later member instance went out…
software
Using Elasticsearch Rest API from Kibana web Dev Console to test ingest-pipeline
When using Elasticsearch with a Kibana instance, the user can take advantage of the Kibana web interface to test or query data from the Elasticsearch…
nginx with SELinux and ngx_http_lua_module – PANIC: unprotected error in call to Lua API
The CentOS 8 (CentOS Stream 9, too) might prevent to successfully execute a Lua code in NGINX web server with the modules like ngx_http_lua_module because…
Pass-through the NVIDIA card in a LXC container
Pass-through the NVIDIA card to be used in the LXC container is simple enough and there are three simple rules to watch for: mount bind…
Recover MySQL InnoDB Cluster and Dba.rebootClusterFromCompleteOutage: Argument #2: Invalid options: primary (ArgumentError)
Recent version of MySQL 8 implemented more options to the rebootClusterFromCompleteOutage function! Definitely check the link’s manual above and most of the handy second options…
Edit with systemctl edit to add restart on fail to a service – nfs-ganesha
A quick tip how to edit a service unit file under a c system like CentOS Stream 9 or Ubuntu. The best way is to…
Change time zone for syslog messages in syslog-ng
When sending syslog packets to a remote server the time-zone of the current server may lead to problems because the syslog-ng program sets the time-zone…
Rename the hostname in syslog-ng
At present, the syslog-ng (syslog-ng Open Source Edition) does not support to set the hostname of the server in the configuration. syslog-ng uses DNS system…
how to skip mysqlbinlog reading error – ERROR: Found out of order GTID
When trying to read the MariaDB binlog files, the reading may be interrupted with an error message, and the reading will stop: Some positions are…
QEMU full virtualization – CPU emulations (enable/disable CPU flags/instruction sets) of QEMU 8.0
Yet another update to this QEMU series after the versions 2.0.0 – QEMU full virtualization – CPU emulations (enable/disable CPU flags/instruction sets) of QEMU 2.0.0…