Docker: COPY can’t find files in local directory where the `docker build` runs

in a directory with prefix /home/gitlab-runner/builds/, there is a example.jar file and a Dockerfile, in the Dockerfile, there are statements as below: COPY example.jar /app I run docker build -t image_name ./ then I get the following error: COPY failed: stat /var/lib/docker/tmp/docker-builder457658077/example.jar: no such file or directory why can’t COPY find the example.jar from within…

Determine what settings are associated with a phantom/orphan GPO object

I am attempting to troubleshoot an issue that is suspected to be coming from a phantom GPO object. I found the Get-GPOMappings (https://gallery.technet.microsoft.com/Get-GPOMappings-Generate-09fe167c) script on technet and it identified a list of phantom GPOs. I am able to use GET-GPO and see DisplayName, owner, etc detail data. I am unsure as to how to view…

How to achieve SSH AllowAccess different users different subnets

I would like to know how could I do this better: SSH Allow Access for four users (admin, root, user, subadmin) three nets (192.168.1.*, 192.168.2.*, 192.168.3.*) In ssh_configd I had to do something like this: user@192.168.178.* user@192.168.208.* user@192,168.198.* admin@192.168.178.* admin@192.168.208.* adminb@192,168.198.* etc. Is there a better way? Something like: AllowUsers (user|admin|root|subadmin)@192.168.(1|2|3).* ??? (Due to restricted…