Linux encryption middleware for mounting

I have an NFS share (or it can be any mounted file system)

I don't trust other readers of the NFS server

Is there a way to add an intermediate layer that encrypts writes and decrypts readings transparently to the network share?


to write

I create the secret.txt file
I save it in a certain folder
"Middleware" encrypts the file


I open the secret.txt file (I found an encrypted mount point since the middleware has unencrypted file names)
"Middleware" decrypts the file
I can read the content as if I were in a normal FS.
The encrypted file is written in NFS

Unable to attach the SQL Server database with the shared folder in Docker on Linux

The problem I have is that my Linux SQL Server 2017 container cannot read my database files. I guess it has something to do with permissions and I'm sure I've missed something, but I can't find it.

I created a clone with the PowerShell module called dbaclone.
This module creates and connects a differentiation disk based on another VHD, which facilitates the provisioning of large databases.

The databases are available using a partition path that will look like this

enter the description of the image here

With in the folder, for example, "AW2017-C1" is a folder called "Data" and "Log" that contains the data and the log files respectively.

The permissions in the folder are "Everyone" to have "Full Control."

enter the description of the image here

I have a virtual machine in VMWare Workstation that is a Linux VM. The Linux virtual machine has Docker installed. I shared the cloning folder on the VM

enter the description of the image here

For ease of use, I added the share to / etc / fstab to mount it automatically when the VM starts.

enter the description of the image here

The permissions are set so that everyone can read it

enter the description of the image here

I have the following script to run the docker container

sudo docker run -e 'ACCEPT_EULA=Y' 
    -e 'SA_PASSWORD=Myp@ssw0rd' 
    -p 1433:1433 --name sql1 
    -v /home/sander/databases:/databases 
    -v /home/sander/shares/dbaclone:/var/opt/mssql/data/dbaclone 

The docker container will mount the directory and make it accessible to the container.

File permissions from the container look correct

enter the description of the image here

Everything looks good, but when I run the following script

USE master;

CREATE DATABASE AdventureWorks2017
           FILENAME = '/var/opt/mssql/data/dbaclone/AW2017-C1/Data/AdventureWorks2017.mdf'
           FILENAME = '/var/opt/mssql/data/dbaclone/AW2017-C1/Log/AdventureWorks2017_log.ldf'

This error returns

Msg 5120, Level 16, State 101, Line 3
The physical file "/var/opt/mssql/data/dbaclone/AW2017-C1/Data/AdventureWorks2017.mdf" cannot be opened. Operating system error 2: "2 (The system cannot find the file specified)."
Msg 1802, Level 16, State 7, Line 3
CREATE DATABASE failed. Some of the file names in the list could not be created. Verify related errors.
Completion time: 2020-02-19T13: 07: 36.1675676 + 01: 00

Obviously, this has something to do with permissions, but everything looks good and maybe someone else has some advice on how to fix it.

sql server: start MSSQL SSIS on Linux and make sure it works

I am trying to connect to SSIS that was installed on the MySQL server (in RHEL 7). It was installed and configured according to the documentation.

I can connect to the server using SSMS (as a database engine), but I cannot connect to it as a server type of the integration service.

I tried to create SSISDB (SSIS catalog), but I received an error:

The path to the catalog backup file could not be determined. Integration Services might not be installed on this server, or the user may not have the appropriate access permissions. (Microsoft.SqlServer.IntegrationServices.Common.ObjectModel)

On the server, port 135 is not in use (documentation suggests that SSIS uses it). I am not sure that the service is running (systemctl show alone ssis-telemetry)

too /var/opt/ssis/log/ it is empty.

For the above reasons, I think SSIS is not working, but I can't find any method to execute it. On the other hand I used dtexec and throw some errors to make it seem that something works:

Microsoft (R) SQL Server Execute Package Utility
Version 14.0.3015.40 for 64-bit
Copyright (C) 2017 Microsoft. All rights reserved.

Started:  11:45:14 AM
Error: 2020-02-19 11:45:18.53
   Code: 0xC0048020
   Source: Data Flow Task 1 Data Flow Task 1 (SSIS.Pipeline)
   Description: The version of Destination - 100 Records_out_csv is not compatible with this version of the DataFlow.
End Error

How can I check if SSIS is running? And how can I start it?

networks – How to mount TP-Link "Network environment" (SMB) on Linux with mount.cifs

What are the "right" options to mount TP-Link "Network Neighborhood" (SMB) on Linux with mount.cifs? Apparently, using default values ​​is not enough:

mount.cifs //hostname/sda1/ /mnt/n -v -o user=xxx,pass=yyy
mount.cifs kernel mount options: ip=,unc=\hostnamesda1,user=xxx,pass=********
mount error(2): No such file or directory
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)

redhat enterprise linux – What is the driver update image file?

I am running an installation of RHEL 5.11 on my server. Since my server's DVD-ROM does not work, I have decided to create a multi-boot USB disk using YUMI. Everything works during disk creation, I select the RHEL5 ISO file to load it into the USB disk.

Problems that occur after starting on the RHEL installation page. You are asking me to select the driver disk source, which I have no idea on which device the USB disk is mounted. I tried to randomly select all the options and it seems that device / dev / sda4 works for me. But then he asks me to choose the driver update image file, I have no idea what it is.

Can anyone help me with this?

linux – the apache web server website is not accessible through https

I am running Apache web server over https in rhel.

I can access the index.html file of the apache website using


When I try to access the website using the IP address of the web server, the site does not appear.
curl https: // serverIPAddress

In the httpd.conf
ServerName Server FQDN
I also tried replacing FQDN with the server's IP address without luck.

I appreciate any help
Thank you

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Kali Linux – Nmap with snmp-brute script freezes to 33.33%

I am currently in a penetration test course where I discover the basics and I have a task in which I need to perform the SNMP enumeration on an objective.

My work environment is as follows:
Host: Windows 10 (64 bits)
Oracle VM VirutalBox machines:

  • Kali Linux 2019.4 (64 bits): attacking machine, 4 GB of RAM, 4 vCPU, fully updated, NAT network with address
  • Windows Server 2012R2 (64 bits): target machine, 5 GB of RAM, 2 vCPU, fully updated, the same NAT network with address

On the target machine, the SNMP service was activated through the "Add roles and features" window and configured to have a basic "public" community chain and allow SNMP packets from any host.

The problem :

I need to use the following command: nmap -sU -p 161 --script=snmp-brute in Kali Linux to apply brute force to the community chain of the target machine.

But when I do, the UDP scan continues smoothly, but the NSE script simply freezes to 33.33%. If I use the CTRL + X combination (I found it accidentally, I didn't know it was a thing) I get the following information:

Stats: 12:26:31 elapsed; 0 hosts completed (1 up), 1 undergoing Script Scan
NSE Timing: About 33.33% done; ETC: 04:57 (24:53:00 remaining)

and the "remaining time" continues to increase.

If I increase the debug level to 2 with d, I get these similar packages forever:

NSOCK INFO (47243.1930s) nsock_pcap_read_packet(): Pcap read request from IOD #2  EID 262533
NSOCK INFO (47243.4940s) nsock_trace_handler_callback(): Callback: READ-PCAP TIMEOUT for EID 262533 

Can anyone shed some light on this problem for me?
Thank you

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