So, I’m trying to write some JNA code to work with Unix sockets, and I’m trying to reference AF_UNIX for sockets. I looked through some of the gcc included files, but I couldn’t find anything. Answer On my Ubuntu-machine it is defined in /usr/include/x86_64-linux-gnu/bits/socket.h as 1. I haven’t checked around in other Unix source trees, but I have a feeling
Tag: unix
How to prevent Python script from Force exit?
I am running a python script and trying to prevent from force exiting or print an error message or log that into the log file. I am already using logging.info(“”) for logging.. or just print for printing something.. but what or how do I create a method or function that can either do print or log when it force exit?
How do I create a file in FUSE in C?
For an assignment we have to build a FUSE file system using C. I am trying to create an empty file in the mountpoint directory that I have mounted when I start fuse but it’s not working. I tried placing the following inside my own implementation of the fuse init function: After I had done that, what happened when I
Merge multiple files preserving the original sequence in unix
I have multiple (more than 100) text files in the directory such as The contents of the file are name of some variables like files_1_100.txt contains some variables names between 1 to 100 Similarly files_201_300.txt contains some variables between 101 to 200 and files_1001_1100.txt as I can merge them using the command However, the contents of files does not follow
how to send output of ‘ls-l’ to cp command using pipes?
i want to copy the output of ls -l command into a file say “xyz”. i know i have to take the output of ls -l and then send it to cp command using pipe i.e output of ls-l will be used as an input for cp command Answer Output to file “test.txt”: Sumary of pipes: > Save output to
Delete last executed command in Linux terminal
I want to do a clear but only of the last command I executed. Here is a example so you can understand it better: If that’s the current state of the shell I want to execute a command (for example echo a > /tmp/foo) and keep the console: So it should be something like echo a > /tmp/foo && clear
How to insert a new record(row or line) after the last line of input file using awk?
The marks of the students are given as a table in the following format Name | rollno | marks in exam1 | marks in exam 2 … i.e. There is one record per line and each column is separated by a | (pipe) character.At the end of all the records I want to add extra lines which contains information about
I’ve found a way to use find -exec to cp multiple files all in one line like xargs, but I’m not sure exactly how it works
I’ve been working with find -exec and find | xargs for the past few hours exploring and experimenting, and now I’ve found a variation of the command that I haven’t seen anywhere else. For example this find command to get all files in the child subdirectories and copy them to the current directory will all execute on one line like
Make directory structure from forward slashes
Im pulling an html document from a windows machine onto my linux box and the issue is the directory structure is not maintained between the two. This is how it looks in linux Im thinking of using a bash script that will change the “” into a “/” essentially making a folder. Im guessing their is a standard way of
How to confirm SFTP file delivery?
I am sending a file using SFTP and public key for non-root user, looks like the file is sent, but I cant find it on the target folder, maybe due to permission. here is the -vvv : target directory How can I make sure the file is delivered, without server access ? Answer All you can do is to check