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 …

Master Boot Record (MBR) partitioned disks are replaced with newer GUID Partition Table (GPT) standard but MBR is still used widely as a default format. GPT layout for the partition tables has a lot of benefits comparing with MBR one. Along with supporting significantly larger size of disks, it introduces …

Synology DiskStation Manager (DSM) doesn't include GUI based functionality to set up a redirect HTTP web traffic to secured HTTPS version of your web site. The default web server in DSM 6 is Nginx and the configuration of the web server should be adjusted. It can be accomplished making manual …

Microsoft Access and Excel don't include any string functions to extract a number from a string. It should be created a custom function to complete this task. Regular Expressions are a good option to deal with manipulation of text data. Microsoft Access and Excel are lacking of support of regular …

As a scanner software can be used Paperwork. It's open source software which is available in both Windows and Unix. CentOS 7 includes Paperwork scanner software as a part of the distribution repository.

Make sure that your scanner driver installed in CentOS. This is a sample of Brother printer/scanner …

When a drive has been used in Operation System (OS) different from Windows, for example, Linux, it can get unusable in Windows. Disk Management Windows GUI tool can't handle those disks but DiskPart Windows tool can help clean up and re-partition a drive. The tool is similar to fdisk Linux …