Chu-Cheng Hsieh chucheng
chucheng
/ Provision a new stack with AWS CloudFormation
Created
December 18, 2015 18:54
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| $ aws cloudformation create-stack \ | |
| --template-url=https://s3.amazonaws.com/path-to-your-json \ | |
| --stack-name=super-cool-service \ | |
| --parameters '[{"ParameterKey":"Environment", "ParameterValue":"prod"}, \ | |
| {"ParameterKey":"ReleaseBranch", "ParameterValue":"master"}, \ | |
| {"ParameterKey":"ReleaseVersion","ParameterValue":"1.0.0"}]' \ | |
| --profile slice-prod |
chucheng
/ Copy data file from remote HDFS to local path
Last active
August 29, 2015 14:27
Copy data file from remote HDFS to local path
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| ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ${DEVOUR_HOST} "/apache/hadoop/bin/hadoop fs -cat ${PATH_IN_HDFS}/data/*|gzip" | gzip -d >> ${OUTPUT_DIR}/${OUTPUT_TSV} |
chucheng
/ gist:040f34a8580024877f5a
Created
June 10, 2015 23:42
Find all pdf files that does not contains "Video_Quiz" in the filename, and use pdftk to merge them into one united.pdf
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| find . -type f ! -name 'Video_Quiz' -print0|xargs -0 -J % pdftk % cat output united.pdf |
chucheng
/ gist:0728e38f6edd972a345b
Last active
November 27, 2022 03:17
Remove Wow! eBook PDF Watermark
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| #install pdftk | |
| #export LC_CTYPE=C # if you encounter "sed: RE error: illegal byte sequence" | |
| pdftk original.pdf output uncompressed.pdf uncompress | |
| sed -e "s/Download from Wow! eBook \<www.wowebook.com\>/ /g" < uncompressed.pdf > temp.pdf | |
| pdftk temp.pdf output fixed.pdf compress | |
| rm temp.pdf | |