WWW website prefix has long history and it was used to classify information what was exposed to users of websites. Another usage of WWW might be for load balancing when web traffic is redirected to a cluster of web servers. Also, some sources tell that WWW was introduced accidently as …

Kerberos authentication can be established by applying Kerberos ticket cache or keytab file. Kerberos ticket cache method has a disadvantage, ticket cache should be renewed on regular basis. If it is not automatic process, it will request our attention. Another option is to use Kerberos keytab file. First of all …

The easiest way to connect DBeaver to MS SQL Server with Kerberos authentication is Kerberos ticket cache. It requests only 2 steps. The first step is to create Kerberos ticket cache and the second one is to add a new connection to DBeaver with default settings. There are variety of …

Enabling gzip compression for your website can be done in Synology DiskStation Manager (DSM). HTTP traffic is already compressed with gzip as default. HTTPS protocol needs to be enabled explicitly. Synology DSM is doing it in an easy step without rebooting Synology NAS. Also, Synology DSM includes text/javascript and …

There are two ways to utilize Kerberos authentication: Kerberos ticket cache and Kerberos keytab. Windows has a limited set of tools to create a keytab file. There are a couple of tools for this purpose. One tool is the Windows Server built-in utility ktpass. It can be only run on …

When your organization has decided to start using DBeaver, you need to plan how to deploy and setup DBeaver for users. It might not be an issue if you are going to utilize databases/drivers which included in the standard configuration. But let's imagine case when you need to connect …

DBeaver allows connecting to a wide range of databases including Cloudera Hive. Hive driver is part of DBeaver installation but it uses basic authentication with user name and password. Kerberos authentication is another option to connect to Hive. It can be accomplished by adding a new driver to DBeaver. The …

Using cron with the official CentOS Docker image requests activating systemd, keeping container running, and opening a Docker container in privileged mode. CentOS Docker Hub image includes the description of the setup which should be done to activate systemd and keep a container going. The missing is information how to …

Virtualization is flexible in terms of using resources. A virtual machine can be built with minimal assigned resources and later, they can be added when it's needed. Oracle VM VirtualBox allows allocation more space to an existing disk. This procedure is common for all virtualized operation systems. It's similar to …

As Linux systems have root file systems on a logical volume, it can be used Logical Volume Management (LVM) to resize the volume. The exercise of logical volume expanding is completed in case of adding an extra disk to a physical system or having a pool of storage in a …