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LFS148 Class Forum

A discussion board for The Linux Foundation's LFS148 Getting Started with OpenTelemetry class.
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KeyError in "Instruments to Measure Golden Signals" code
mhitemhite
2
32
FlaviaFlavia
Cutting and pasting wget links doesn't work
mhitemhite
4
113
grimnirgrimnir
OpenTelemetry Certified Associate
marella.sunilmarella.sunil
16
808
rajeshjeyapaulrajeshjeyapaul
Missing Code and Context in "Instruments to Measure Golden Signals - Views (1)"
carwash0348carwash0348
2
41
arianehammarianehamm
Autoinstrumentation error on todoui-flask
jmandiolajmandiola
0
71
jmandiolajmandiola
Missing import in "Getting Started with Logging (4)"
mhitemhite
0
11
mhitemhite
"Instrumentation of the Python (Flask) Component (1)" - port 5000 issue
mhitemhite
1
62
fazlur.khanfazlur.khan
Instrumentation of the Java (Spring Boot) Component (1) - error with "mvn clean package" command
Answered
ivanbrijivanbrij
2
104
shashanksdixitshashanksdixit
Error in the setup for "permission denied while trying to connect to the docker API"
Answered
abhishekforotelabhishekforotel
2
293
abhishekforotelabhishekforotel
Unable to open dev container in VSCode with default prompt on the initial setup
Answered
abhishekforotelabhishekforotel
1
59
abhishekforotelabhishekforotel
Otel Collector seems doesn't work
Answered ✓
leo4444leo4444
4
81
freeyourmindfreeyourmind
LF Portal (trainingportal.linuxfoundation.org) Planned Maintenance (April 19, 2026 02:00-04:00 UTC)
FlaviaFlavia
0
12
FlaviaFlavia
Section 4 Exercise 3 Comparing Traces
Answered
barryamcconnellbarryamcconnell
2
31
barryamcconnellbarryamcconnell
Incomplete Heading
tuxlinuxtuxlinux
1
32
FlaviaFlavia
Zero-code instrumentation: Instrumentation of the Java (Spring Boot) Component (2)
Answered
pau2882pau2882
2
32
pau2882pau2882
Typo on "Exercise 2: Code-Based Instrumentation for Java & Python" - service,name
crdcrd
1
22
dharmondharmon
Question about role of the Collector
obdeijnobdeijn
2
31
sitraka17sitraka17
Exercise 1: Error
Answered
staticmindstaticmind
1
51
staticmindstaticmind
LF Portal (trainingportal.linuxfoundation.org) Planned Maintenance (August 17, 2025 02:00-05:00 UTC)
mstepienmstepien
0
22
mstepienmstepien
Dev containers Fails to Build
hawkinswinjahawkinswinja
3
334
abhishekforotelabhishekforotel
Exercise LFS148 otel-in-action not working?
Answered ✓
jaco73jaco73
1
74
jaco73jaco73
Code is missing proper indentation in "Getting Started with Logging (3)"
mhitemhite
0
11
mhitemhite
Missing docker compose up steps for "Getting Started with Logging (1)"
mhitemhite
0
11
mhitemhite
Another missing import for "Instruments to Measure Golden Signals"
mhitemhite
1
41
arianehammarianehamm
Missing import and typo in "Instruments to Measure Golden Signals"
mhitemhite
0
21
mhitemhite
Apache Bench ("ab") missing from devcontainer
mhitemhite
0
2
mhitemhite
jq missing from devcontainer
mhitemhite
0
12
mhitemhite
Missing comma in "Instruments to Measure Golden Signals"
mhitemhite
1
22
arianehammarianehamm
Missing newline in "Instruments to Measure Golden Signals"
mhitemhite
1
21
FlaviaFlavia
Typo on "Exercise 2: Code-Based Instrumentation for Java & Python"
mhitemhite
2
32
FlaviaFlavia

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