Bash und source

Vor kurzem hatten ein Kollege und ich mit einem seltsamen Phänomen in einem Bash-Skript zu kämpfen. Wir hatten zwei Skripte skript.sh und konfig.sh. skript.sh:#!/bin/bash variable="abc" if \[ -e konfig.sh \] then source konfig.sh fikonfig.sh:#!/bin/bash variable="def"Als wir aber nun skript.sh ausführten, hatte die Variable variable aber den Wert xyz.

[CloudRAID] 6. Conclusion and Outlook

This is the last post of the series of posts about the student research paper CloudRAID. The predecessor can be found in Markus Holtermann’s blog. 6. Conclusion and Outlook Figure 25: CloudRAID logo [Sch12] CloudRAID is a conceptual implementation of the idea bringing the RAID concept into the cloud.

[CloudRAID] 4. Implementation (Continuation 2)

This post is part of a series of posts about the student research paper CloudRAID. The predecessor can be found in Markus Holtermann’s blog. The successor can be found in Markus Holtermann’s blog, as well. 4.3 Compression in RESTful API For a better performance regarding the network usage the RESTful API was implemented to support two different compression standards.

[CloudRAID] 3. Concept (Continuation)

This post is part of a series of posts about CloudRAID. The predecessor can be found here. The successor can be found in Markus Holtermann’s blog. 3.3.3 Database Design CloudRAID uses – as described above – an HSQL database for storing meta data of split files and information of user accounts.

[CloudRAID] 3. Concept

This post is part of a series of posts about CloudRAID. The predecessor can be found in Markus Holtermann’s blog and the successor here. 3 Concept 3.1 Requirements The application has to meet several requirements. At first there are data-security, data-safety and data-availability derived from the weaknesses of cloud storage services (see chapter 2.