The permission bit in a file mode that allows a file to be run as a program. Also, questions related the format of program files, and to locating and executing program files.

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118
votes
1answer
7k views

How is Mono magical?

I'm learning C#, so I made a little C# program that says Hello, World!, then compiled it with mono-csc and ran it with mono: $ mono-csc Hello.cs $ mono Hello.exe Hello, World! I noticed that when I ...
0
votes
1answer
37 views

File does exist but won't execute [duplicate]

I have a file that does exist but won't execute. It says : "No such file or directory". This file is created by a script while creating a "custom toolchain" to compile native libraries for Android ...
2
votes
2answers
52 views

Difference between /usr/bin and /usr/local/bin [duplicate]

What is the difference between /usr/bin and /usr/local/bin? Why are there both directories and why do some executable programs exist in both directories?
1
vote
1answer
43 views

Where is the nginx executable on Debian? [closed]

I've installed the nginx-light package on debian, but I can't find the executable. It's not in /usr/bin, like it says on the official nginx website. Where is it, then?
0
votes
0answers
15 views

Equivalent to OS X's py2app and Windows's py2exe?

I'm writing an application in Python. I don't expect my end users to be particularly tech-savvy, so I'd like to package it up like a familiar native executable. For OS X, that means running it ...
8
votes
1answer
892 views

Can capabilities be used in scripts without setcap'ing the interpreter binary?

Right now I'm using cap_net_bind_service MY_USERNAME in /etc/security/capability.conf. Now I just need to set cap_net_bind_service+i on the interpreter of my favouite scripting language to be able to ...
5
votes
0answers
57 views

Why does OS X `install` errors on redirected input when the same version of `install` on linux works fine?

I would like to use install command in order to create a new executable file with pre-populated content (e.g. with single pwd command in it). So I've extended this example which creates a new empty ...
4
votes
3answers
4k views

“No such file or directory” when executing a cross-compiled program on a Raspberry Pi

I recently bought a Raspberry Pi. I already have configured it, and I install a cross compiler for arm on my desktop (amd64). I compiled a simple "hello world" program and then I copy it from my ...
2
votes
0answers
11 views

How can I add my program to system program list (Ubuntu 14.04)? [duplicate]

I made a my program in c++ and generated its executable but every time I need to use my program I need to change my directory to the folder and then execute it. How do I make my program run like an ...
3
votes
2answers
85 views

Handling duplicate programs names bash

I'm wondering if $PATH cascades entries. You'll all need to take a leap of faith with me here, but here it goes. Let's say we have a Java executable at /usr/bin/java but this version is very old and ...
19
votes
2answers
21k views

How to convert a shell script into a binary executable?

I want to convert my shell scripts into binary executable so that nobody else could edit or read it. Is there a way to convert it into a binary executable?
0
votes
1answer
96 views

Installing Wine 1.8 on Debian not working

I followed this link http://tecadmin.net/install-wine-on-ubuntu-and-debian/# to install Wine on Debian 7.9 Wheezy but to no avail. When I reached step sudo ./configure --enable-win64 it asked for ...
0
votes
0answers
13 views

Aardvark Control Center wants TLS/SSE2 Library

Environment: CentOS 7.1 64-bit using Intel i7-4771 Gnome 3 shell I downloaded the Aardvark Control Center (Total Phase) and tried to execute the controlctr bash file, however I received the error ...
-1
votes
1answer
40 views

Remote app - bash: cannot execute binary file [duplicate]

I have an app in a remote Linux machine. I am trying to execute the app via ssh, but I get the error: bash: /app: cannot execute binary file Why is this happening? The application works fine in the ...
3
votes
2answers
331 views

The type command can't distinguish between an executable command and a shell script

So I was reading the book The Linux Command Line, and it says that commands are of four types: (1) executable programs (2) shell builtins (3) shell functions (shell scripts) (4) ...
1
vote
1answer
131 views

Executable not visible when run with sudo [duplicate]

Platform: Ubuntu 10.04 VM running out of VirtualBox File details: -rwxr-x--- 1 myuser myuser 123 2013-10-31 16:10 myscript.sh The executable is visible in the directory: >type myscript.sh ...
3
votes
1answer
33 views

setuid example from Wikipedia: 4700

I was reading about setuid on Wikipedia. One of the examples goes as follows: 4700 SUID on an executable file owned by "root" A user named "tails" attempts to execute the file. The file ...
1
vote
2answers
725 views

Java does not run with error “No such file or directory”, despite it exists and is x86_64

The file exists but bash complains it doesn't when asked to execute it. $ ./Libs/openjdk-1.8.0_60-eap/bin/java bash: ./Libs/openjdk-1.8.0_60-eap/bin/java: No such file or directory $ ls -l ...
1
vote
1answer
23 views

a.out - Data segment and text segment are contiguous iff text segment is not shared. Why is this so?

I was reading the man page for the ancient a.out format (located here), trying to understand the evolution of Unix executable formats. I was wondering about something. The man page says that if the ...
11
votes
2answers
1k views

Run a binary owned by root without sudo

I had a question on a job interview: How can you execute (run) the program with the user user1 without sudo privileges and without access to the root account: $ whoami user1 $ ls -l ...
1
vote
1answer
26 views

auditctl comm vs. exe

I was looking at Linux audit reports. Here is a log from ausearch. time->Mon Nov 23 12:30:30 2015 type=PROCTITLE msg=audit(1448281830.422:222556): proctitle=6D616E006175736561726368 ...
4
votes
1answer
6k views

Bash Script Permission denied & Bad Interpreter

I'm on a kali linux 64 bit. I have created a python script which takes 2 arguments to start. I don't want to type out every time the exact same paths or search in the history of the commands I used ...
0
votes
0answers
15 views

“No such file or directory” attempting to run executable [duplicate]

I'm trying to run a binary on my freshly-flashed Ubuntu box. The file exists, I have permissions to run it, but I'm getting "No such file or directory" error. gkistner@gkistner-dt3:~/cx/_temp_dump$ ...
2
votes
1answer
8k views

-ksh: revenue_ext.ksh: not found [No such file or directory]

I am getting the same not found [No such file or directory] error when trying to execute a ksh script. Read tips about the PATH and running the script with a ./ in the posts here and here and tried ...
3
votes
1answer
136 views

arm-eabi-gcc: cannot execute binary file

I am trying to build a ROM from AOSP 5.1.1 specifically (Nexus 7 - grouper). However, a while ago I got stuck at this part while building the kernel. The following command works fine: make ...
7
votes
3answers
16k views

Running python script from terminal without .py extension

I want to call a python script script.py from the terminal by simply typing script. Is this possible? If so, how? I know I can avoid typing python script.py by adding #!/usr/bin/env python to the top ...
42
votes
8answers
50k views

What is /usr/local/bin?

Before today, I've used the terminal to a limited extent of moving in and out of directories and changing the dates of files using the touch command. I had realised the full extent of the terminal ...
1
vote
2answers
41 views

“No such file” with ksh, but script runs with ksh -x?

I'm trying to execute a shell script on OpenBSD 5.7/amd64. Its a test script used to test a FOSS project. (OpenBSD is one of our targets because it provides an ancient compiler out of the box). When ...
1
vote
2answers
124 views

Why does trying to run a python executable return ': No such file or directory' after transferring it to server via FTP? [duplicate]

I'm having an issue where when I transfer a Python file to my VPS via FTP and try to run it using ./foo.py I am returned with the error: : No such file or directory. The error seems to indicate that ...
2
votes
2answers
37 views

link to an executable and remove some parameters

I currently am using Xamarin Studio, which has a bug in this version. It adds 2 parameters to an executable, which causes the output to flood with error messages, slowing down the build time from a ...
2
votes
2answers
39 views

How run Linux application from a mounted Windows disk?

I have dual-boot operating system, Ubuntu and Windows 7. The problem is I can't install some Linux application on my Linux because considering the disk space. I always regret to myself why I allocated ...
1
vote
0answers
56 views

No such file or Directory, even if file present and executable [duplicate]

I have two machines, and I have installed the exact same packages on both machines. On one machine everything is working perfectly fine. But on another machine, there is at least one file where its ...
12
votes
2answers
32k views

sudo: unable to execute ./script.sh: no such file or directory

I'm stumped. I have a script in my /home directory which is executable: [user@server ~]$ ll total 4 -rwx------ 1 user user 2608 Jul 15 18:23 qa.sh However, when I attempt to run it with sudo it ...
2
votes
1answer
81 views

*.desktop nor symlink works (just for this one file) - Linux Mint 17.2 Cinnamon

I have this desktop entry: [Desktop Entry] Name=dummy Type=Application Terminal=false Icon=/home/xyz/Software/Test/ico.png Exec= /home/xyz/Software/Test/start which is supposed to execute file ...
28
votes
4answers
24k views

Where do executables look for shared objects at runtime

The title is pretty explicit. I understand how to define include shared objects at linking/compile time. However I still wonder how do executables look for the shared object (*.so libraries) at ...
0
votes
1answer
49 views

executable bit on files created by vim

Is there any setting for vim create new files with full permissions? that is falling just under the umask restrictions, and only on files created by vim. It shouldn't modify the bits of an already ...
1
vote
0answers
64 views

A program doesn't work when invoked through a symbolic link

I have an executable paraview in the directory ~/software/Para/bin/ and I want to create a soft link in my home directory. I have tried like this but could not succeed. sudo ln -s ...
0
votes
1answer
31 views

Is my compilation false?

I thought my compliation was okay because no errors were printed out, yet when I try to run the executable, he tells me that it's unreachable... coppan12@b048-08:~$ gcc -Wall prog.c -o prog ...
2
votes
1answer
86 views

VS Code not working on Elementary OS

I have downloaded VS Code on Elementary OS, and I followed the setup instruction of Setting up Visual Studio Code on linux. The executable file "code" seems to be unknown, it is not opening, Any ...
6
votes
2answers
64 views

direct execution of python scripts

I have noticed that sometimes python scripts are not being started directly, ie /foo/bar.py, but rather from a shell script, which does nothing else than /usr/bin/python -O /foo/bar.py $@ One such ...
127
votes
9answers
16k views

How to chmod without /usr/bin/chmod?

Today I was told a tale by a Unix trainer, a tale where the root password got leaked to the students, and one of the fellas removed the execute permission from /usr/bin/chmod itself. How do you ...
1
vote
1answer
48 views

Make a command to remove NetworkManager connections

I’m working in a manufacturing company (small one) and one of our clients required a test using a Linux (Ubuntu) computer, we are testing some wi-fi modules. the test is simple. beforehand: Powering ...
1
vote
2answers
169 views

How to use ln -s to create a command line shortcut?

I have an sh file that I would like to be able to open from the terminal at any time. I would like to type "studio" into the terminal, and have android studio open I recall using ln -s to do this, ...
10
votes
3answers
6k views

Creating Static Binary

I installed an application [ e.g. fdisk ]. But it required libraries for execution. I am looking for utility/tool which will help me to create a static binary from already installed binaries. So that ...
10
votes
2answers
672 views

How does a shell execute a program?

If I compile a program using gcc, and try to execute it from the bash shell, what is the exact sequence of steps followed by bash to execute it ? I know fork(), execve(), loader, dynamic linker (and ...
-1
votes
0answers
87 views

How to use BlueZ tools? [closed]

I successfully compiled bluez-libs-3.36 and bluez-utils-3.36, and got the programs sdptool,hcitool and hciconfig. I copied them to my device and exectued chmod a+x on all three of them. But if I try ...
0
votes
0answers
24 views

strace | Who's making syscalls ? | Where are the instructions?

I've been told that strace is used to track all the system calls made while running an application. I see that there are a lot of system calls made even before the first printf ( now write ) call. ...
0
votes
0answers
1k views

Permission Denied on an Executable File

I am newbie to linux so any help would be greatly appreciated - I tried searching and am having trouble finding an answer. Downloaded a compiled executable file (source written in c) in ubuntu I ...
34
votes
2answers
879 views

Why and how are some shared libraries runnable, as though they are executables?

On 32-bit Linux systems, invoking this $ /lib/libc.so.6 and on 64-bit systems this $ /lib/x86_64-linux-gnu/libc.so.6 in a shell, provides an output like this: GNU C Library stable release ...
1
vote
1answer
47 views

Can't run c program in other partition

I'm in dual boot with Windows, and i've created a shared ntfs partition. I' ve cloned a project from github, use make to compile it but seems it isn't recognized as runnable. I've added the right ...