Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

; nameserver test file
$ORIGIN example.com.
$TTL 3600

ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id sleep=2
SECTION QUESTION
www	IN	A
SECTION ANSWER
www	IN	A	10.20.30.40
ENTRY_END

ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id
SECTION QUESTION
www2	IN	A
SECTION ANSWER
www2	IN	A	10.20.30.42
ENTRY_END

ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id
SECTION QUESTION
www3	IN	A
SECTION ANSWER
www3	IN	A	10.20.30.43
ENTRY_END

ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id sleep=2
SECTION QUESTION
www4	IN	A
SECTION ANSWER
www4	IN	A	10.20.30.44
ENTRY_END

ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id sleep=2
SECTION QUESTION
www5	IN	A
SECTION ANSWER
www5	IN	A	10.20.30.45
ENTRY_END

ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id sleep=2
SECTION QUESTION
www6	IN	A
SECTION ANSWER
www6	IN	A	10.20.30.46
ENTRY_END

; lots of noerror/nodata answers for other queries (a.. queries)
ENTRY_BEGIN
MATCH opcode qtype subdomain
REPLY QR AA NOERROR
ADJUST copy_id copy_query
SECTION QUESTION
a.example.com.	IN	A
SECTION AUTHORITY
example.com.	IN SOA ns hostmaster 2019 28800 7200 604800 3600
ENTRY_END