How can I programmatically determine the exact start byte and exact end byte of a LUKS header on a block storage device? I use Linux Unified Key Setup (LUKS) for Full Disk Encryption (FDE), so all of the data on my drive is encrypted using a strong master key that’s not derived from my passpharse, and I’m working on a
Tag: json
How to jq to copy array inside the dictionary?
I have the following json I want to convert it to How do I do this with jq? Answer The solution is the following: In the Command line: See:https://jqplay.org/s/MJ-GoLOBX2 There is more documentation available at: https://programminghistorian.org/en/lessons/json-and-jq#the-dot- Also see the hints below jqplay at the bottom.
Renaming JSON files based on their contents
I have loads of geographical json files with date_geohash.json name format and I have to convert them to date_latitude-longotude.json format. For example I need to convert 2017-03-28_u13hhyn.json to 2017-03-28_N52.76-E1.62.json. I’m trying to write a bash script to rename these json files using ‘rename’ and ‘jq’ (json query) utilities. Using jq I can extract latitude and longitude from the json files.
ObjectStream’s magic number in the header is changed while putting file on a linux server
Hope you are doing well. The strange thing happened to me since yesterday. I have the following code for saving the JSON. and the following code for reading it. I’m writing the JSON via saveCacheJson and then putting the file to my Server (Linux) and then my ‘front end’ part downloads it and tries to read. From yesterday I started
jq to remove one of the duplicated objects
I have a json file like this: I tried: but this will remove all the duplicated items, I,m looking to keep just one of the duplicated items, to get the file like this: Answer With field1, I doubt you are getting anything in the output, since there is no key/field with the given name. If you simply change your command
jq array of hashes to csv
So I have a data source like this: I want to get output like this: Using a fake parameter seems like a hack and then needs to be clean up by sed to work. How do I do this with just jq. Answer Instead of trying to put literal newlines in your data, split the data into separate arrays (one
Ambari cluster + Service Auto Start Configuration by API
Ambari services can be configured to start automatically on system boot. Each service can be configured to start all components, masters and workers, or selectively. so how to enable all services in ambari cluster to start automatically on system boot by API ? Remark – by default all services are disabled Answer You may use auto-restart API, refer following document
JSON list (not object) to Bash array?
I’ve got a JSON list (the value of a key-value pair containing a list of items): [ “john”, “boris”, “joe”, “frank” ] How would I convert this to a bash array, so I can iterate over them? Answer Easy Case: Newline-Free Strings The simple approach is to use jq to transform your list into a line-per-item, and read that into
Why not all parameters from ambari cluster not represented by the blueprint json file
Why not all parameters from ambari cluster not represented by the blueprint json file ? I generated the blueprint json file as the foolwing: but when I access to the ambari GUI we noticed that many parameters not appears in the blueprint json file example of parameters from HDFS – config that not appears in the blueprint json file Answer
How to paste a custom linux stdout into a JSON with Python?
I’m a beginner in Python and I’m trying to write a script that will take in a unix stdout file and convert it into a JSON format file. The format of the file is the following on every line: The path can contain whitespaces and backslash characters, an example is: Now my problem is that if I use the split(“