I have a settings file that is under version control using subversion. Everybody has their own copy of this file, and I need this not to be ever committed. However, like I said, there is already a copy under version control. My question is: how do I remove this file from version control without deleting every…
Tag: linux
Replacing String Columnwise Using Sed
Given this data I want to replace the string at 2nd column into “” if it is “qux”. Resulting: How do you do that with sed? In particular the data is very big with ~10^7 lines Answer I wouldn’t actually do it with sed since that’s not the best tool for the job. The awk tool …
What is the best way to store usage reports over time?
I currently have a few server reports that return usage statistics whenever run. The data is collected from several different sources (mostly log files), so they’re not in a database to begin with. The returned data are simple lists, for example, detailing how much disk space a user is using (user =>…
How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
Can I tell Linux not to swap out a particular processes’ memory?
Is there a way to tell Linux that it shouldn’t swap out a particular processes’ memory to disk? Its a Java app, so ideally I’m hoping for a way to do this from the command line. I’m aware that you can set the global swappiness to 0, but is this wise? Answer You can do this via the mloc…
fcntl, lockf, which is better to use for file locking?
Looking for information regarding the advantages and disadvantages of both fcntl and lockf for file locking. For example which is better to use for portability? I am currently coding a linux daemon and wondering which is better suited to use for enforcing mutual exclusion. Answer What is the difference betwee…
Subversion web interface [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 6 years ago. Improve this ques…
Resize a list of images in line command
I would like to resize a list of images, all in the directory. To achieve that, I use convert from imagemagick. I would like to resize into I was wondering if there is a method to achieve this in a single command line. An elegant solution could be often useful, not only in this case. EDIT: I would like a
How can I add a default include path for GCC in Linux?
I’d like GCC to include files from $HOME/include in addition to the usual include directories, but there doesn’t seem to be an analogue to $LD_LIBRARY_PATH. I know I can just add the include directory at command line when compiling (or in the makefile), but I’d really like a universal approa…
How to list running screen sessions?
I have a bunch of servers, on which I run experiments using screen. The procedure is the following : ssh to server XXX launch screen start experiments in a few tabs detach screen disconnect from the server While the experiments are running, I can easily find on which servers they are by sshing to all servers …