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H2: Fix typos

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Pekka Helenius 5 years ago
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      exercises/h2.md

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@ -156,7 +156,7 @@ Bluetooth error messages: lines 7-19. Line 8 is not an error message.
**Analysis - regression test approach (journalctl)**
The following analysis is a part of [the above journalctl issue]((https://github.com/Fincer/linux_server_setup/blob/master/exercises/h2.md#other-error-situations---a-tricky-error-tracked-down))
The following analysis is a part of [the above journalctl issue](https://github.com/Fincer/linux_server_setup/blob/master/exercises/h2.md#other-error-situations---a-tricky-error-tracked-down)
The problem seem to be widely known among Ubuntu & Arch Linux users, according to a short search in the internet. There is a [launchpad report](https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1490349) but not a simple answer is given there. There is a suggestion to downgrade bluez package on [Arch Linux forum](https://bbs.archlinux.org/viewtopic.php?id=195886). [AskUbuntu](https://askubuntu.com/) website has many threads for this issue.
@ -170,7 +170,7 @@ Once the problematic commit/commits are known, we can fix the code ourselves and
**Analysis - our bluez package (journalctl)**
The following analysis is a part of [the above journalctl issue]((https://github.com/Fincer/linux_server_setup/blob/master/exercises/h2.md#other-error-situations---a-tricky-error-tracked-down))
The following analysis is a part of [the above journalctl issue](https://github.com/Fincer/linux_server_setup/blob/master/exercises/h2.md#other-error-situations---a-tricky-error-tracked-down)
In bluez error case, we should check all relevant error messages written by bluetooth daemon to STDERR output. By analysing [BlueZ source code](https://github.com/pauloborges/bluez) ([alternative link](https://git.kernel.org/pub/scm/bluetooth/bluez.git)) we can see that the message present in journalctl log snapshot can be found in source code as well. In more detail, the following source code files (C code):


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