Linux
LINUX QUESTIONS MUST BE PROGRAMMING RELATED. Use this tag only if your question relates to programming using Linux APIs or Linux-specific behavior, not just because you happen to run your code on Linux. If you need Linux support you can try https://unix.stackexchange.com or https://askubuntu.com
54
votes
4
answers
2K
views
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 and x86-64
Following links explain x86-32 system call conventions for both UNIX (BSD flavor) & Linux: http://www.int
52
votes
22
answers
2.5K
views
Can you run GUI applications in a Linux Docker container?
How can you run GUI applications in a Linux Docker container? Are there any images that set up vncserver or so
61
votes
30
answers
2.7K
views
Docker can't connect to docker daemon
After I update my Docker version to 0.8.0, I get an error message while entering sudo docker version: Client
50
votes
3
answers
385
views
What is the runtime performance cost of a Docker container?
I'd like to comprehensively understand the run-time performance cost of a Docker container. I've fou
60
votes
29
answers
1.5K
views
Argument list too long error for rm, cp, mv commands
I have several hundred PDFs under a directory in UNIX. The names of the PDFs are really long (approx. 60 chars
65
votes
2
answers
2.2K
views
How do SO_REUSEADDR and SO_REUSEPORT differ?
The man pages and programmer documentations for the socket options SO_REUSEADDR and SO_REUSEPORT are different
55
votes
16
answers
1.7K
views
How to force cp to overwrite without confirmation
I'm trying to use the cp command and force an overwrite. I have tried cp -rf /foo/* /bar, but I am still
68
votes
9
answers
1.1K
views
How does "cat << EOF" work in bash?
I needed to write a script to enter multi-line input to a program (psql). After a bit of googling, I found th
57
votes
27
answers
1.5K
views
Convert DOS line endings to Linux line endings in Vim
If I open files I created in Windows, the lines all end with ^M. How do I delete these characters all at once?
52
votes
30
answers
798
views
How can I measure the actual memory usage of an application or process?
How do you measure the memory usage of an application or process in Linux? From the blog article of Understand
56
votes
9
answers
2K
views
Redirect all output to file in Bash
I know that in Linux, to redirect output from the screen to a file, I can either use the > or tee. How
56
votes
28
answers
2.4K
views
Exploring Docker container's file system
I've noticed with docker that I need to understand what's happening inside a container or what files
55
votes
14
answers
553
views
How can I exclude directories from grep -R?
I want to traverse all subdirectories, except the "node_modules" directory.
61
votes
30
answers
2K
views
How to get full path of a file?
Is there an easy way I can print the full path of file.txt ? file.txt = /nfs/an/disks/jj/home/dir/file.txt
55
votes
21
answers
387
views
Recursively counting files in a Linux directory
How can I recursively count files in a Linux directory? I found this: find DIR_NAME -type f ¦ wc -l But w
51
votes
28
answers
1.9K
views
Using ls to list directories and their total sizes
Is it possible to use ls in Unix to list the total size of a sub-directory and all its contents as opposed to
66
votes
14
answers
981
views
What is the meaning of "POSIX"?
What is POSIX? I have read the Wikipedia article and I read it every time I encounter the term. The fact is th
59
votes
30
answers
1.6K
views
How to kill a process running on particular port in Linux?
I tried to close the tomcat using ./shutdown.sh from tomcat /bin directory. But found that the server was not
50
votes
30
answers
2.1K
views
Pipe to/from the clipboard in a Bash script
Is it possible to pipe to/from the clipboard in Bash? Whether it is piping to/from a device handle or using an
65
votes
11
answers
2.6K
views
Remove a symlink to a directory
I have a symlink to an important directory. I want to get rid of that symlink, while keeping the directory beh
