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Old 03-09-2019, 08:54 AM   #1
whois1230
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Cannot install decompiler AvaloniaILSpy


Hello, I managed to install the C# decompiler ILSpy, but cannot install the GUI for it(AvaloniaILSpy): https://github.com/icsharpcode/Avalo...ster/README.md I downloaded and extracted the file and ran a series of commands to grant it the rights to execute
Code:
chmod a+x ILSpy
:
Code:
user@debian:~$ su
Password: 
root@debian:/home/user# cd /home/user/Desktop/ILSpy-debian.8-x64-Release
root@debian:/home/user/Desktop/ILSpy-debian.8-x64-Release# chmod a+x ILSpy
root@debian:/home/user/Desktop/ILSpy-debian.8-x64-Release# ./ILSpy
root@debian:/home/user/Desktop/ILSpy-debian.8-x64-Release# exit
exit
user@debian:~$ 
user@debian:~$ ls -dl /home/user/Desktop/ILSpy-debian.8-x64-Release
drwxr-xr-x 2 user user 20480 Mar  9 15:47 /home/user/Desktop/ILSpy-debian.8-x64-Release
user@debian:~$
It says ILSpy is executable, however, I can't run it.
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Last edited by whois1230; 03-09-2019 at 09:01 AM.
 
Old 03-09-2019, 09:50 AM   #2
pan64
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do not run it as root, but regular user.
 
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Old 03-10-2019, 08:47 AM   #3
ondoho
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and run it from your terminal, not the filemanager, to get some diagnostic output:
Code:
./ILSpy
 
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Old 03-11-2019, 12:17 PM   #4
whois1230
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Quote:
Originally Posted by pan64 View Post
do not run it as root, but regular user.
Quote:
Originally Posted by ondoho View Post
and run it from your terminal, not the filemanager, to get some diagnostic output:
Code:
./ILSpy
Code:
user@debian:~$ chmod a+x ILSpy
chmod: cannot access 'ILSpy': No such file or directory
user@debian:~$ cd /home/user/Desktop/ILSpy-debian.8-x64-Release
user@debian:~/Desktop/ILSpy-debian.8-x64-Release$ chmod a+x ILSpy
user@debian:~/Desktop/ILSpy-debian.8-x64-Release$ ./ILSpy
user@debian:~/Desktop/ILSpy-debian.8-x64-Release$ cd
user@debian:~$ ls -dl /home/user/Desktop/ILSpy-debian.8-x64-Release
drwxr-xr-x 2 user user 20480 Mar  9 15:47 /home/user/Desktop/ILSpy-debian.8-x64-Release
user@debian:~$
It still won't run.
 
Old 03-11-2019, 02:32 PM   #5
pan64
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ok. First, when you execute ./ILSpy execute echo $? immediately and post the result.
Explain also what did you download exactly and what series of command did you execute.
 
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Old 03-15-2019, 06:30 AM   #6
whois1230
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Quote:
Originally Posted by pan64 View Post
ok. First, when you execute ./ILSpy execute echo $? immediately and post the result.
Explain also what did you download exactly and what series of command did you execute.
Code:
user@debian:~$ cd /home/user/Desktop/ILSpy-debian.8-x64-Release
user@debian:~/Desktop/ILSpy-debian.8-x64-Release$ chmod a+x ILSpy
user@debian:~/Desktop/ILSpy-debian.8-x64-Release$ ./ILSpy
user@debian:~/Desktop/ILSpy-debian.8-x64-Release$ echo $?
0
user@debian:~/Desktop/ILSpy-debian.8-x64-Release$ cd
user@debian:~$
I downloaded AvaloniaILSpy https://github.com/icsharpcode/AvaloniaILSpy Bleeding-edge Builds/Debian/Download. The file name is ILSpy-debian.8-x64-Release.zip and when I extract it I get the folder named ILSpy-debian.8-x64-Release https://imgur.com/a/GJ5H18i
The series of commands is:
Code:
user@debian:~$ su
Password: 
root@debian:/home/user# cd /home/user/Desktop/ILSpy-debian.8-x64-Release
root@debian:/home/user/Desktop/ILSpy-debian.8-x64-Release# chmod a+x ILSpy
root@debian:/home/user/Desktop/ILSpy-debian.8-x64-Release# ./ILSpy
root@debian:/home/user/Desktop/ILSpy-debian.8-x64-Release# exit
exit
user@debian:~$ 
user@debian:~$ ls -dl /home/user/Desktop/ILSpy-debian.8-x64-Release
drwxr-xr-x 2 user user 20480 Mar  9 15:47 /home/user/Desktop/ILSpy-debian.8-x64-Release
user@debian:~$

Last edited by whois1230; 03-15-2019 at 06:32 AM.
 
Old 03-15-2019, 11:28 AM   #7
pan64
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Ok. I downloaded the specified file, unzipped, chmod and executed it. A new window was opened, so basically it worked for me. No root user required.
What I can imagine right now: you have no DISPLAY set or available.
 
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Old 03-16-2019, 05:39 AM   #8
whois1230
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Quote:
Originally Posted by pan64 View Post
Ok. I downloaded the specified file, unzipped, chmod and executed it. A new window was opened, so basically it worked for me. No root user required.
What I can imagine right now: you have no DISPLAY set or available.
By Display do you mean GUI and how can I set it up?
 
Old 03-16-2019, 12:09 PM   #9
pan64
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yes, the graphical display. Actually DISPLAY is a variable.
 
Old 03-23-2019, 06:13 AM   #10
tyler2016
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Quote:
Originally Posted by whois1230 View Post
Code:
user@debian:~$ chmod a+x ILSpy
chmod: cannot access 'ILSpy': No such file or directory
user@debian:~$ cd /home/user/Desktop/ILSpy-debian.8-x64-Release
user@debian:~/Desktop/ILSpy-debian.8-x64-Release$ chmod a+x ILSpy
user@debian:~/Desktop/ILSpy-debian.8-x64-Release$ ./ILSpy
user@debian:~/Desktop/ILSpy-debian.8-x64-Release$ cd
user@debian:~$ ls -dl /home/user/Desktop/ILSpy-debian.8-x64-Release
drwxr-xr-x 2 user user 20480 Mar  9 15:47 /home/user/Desktop/ILSpy-debian.8-x64-Release
user@debian:~$
It still won't run.
Can you do a
Code:
file ~/Desktop/ILSpy-debian.8-x64-Release/ILSpy
If it is an ELF, try this:

Can you do a
Code:
ldd ~/Desktop/ILSpy-debian.8-x64-Release/ILSpy
 
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Old 03-27-2019, 02:50 AM   #11
whois1230
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Quote:
Originally Posted by tyler2016 View Post
Can you do a
Code:
file ~/Desktop/ILSpy-debian.8-x64-Release/ILSpy
If it is an ELF, try this:

Can you do a
Code:
ldd ~/Desktop/ILSpy-debian.8-x64-Release/ILSpy
Code:
user@debian:~$ file ~/Desktop/ILSpy-debian.8-x64-Release/ILSpy
/home/user/Desktop/ILSpy-debian.8-x64-Release/ILSpy: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=7d7aad83bb249ec2dd2474da059d426904073f51, stripped
user@debian:~$ ldd ~/Desktop/ILSpy-debian.8-x64-Release/ILSpy
	linux-vdso.so.1 (0x00007ffc04bdc000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f627acc2000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f627aaa5000)
	libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f627a723000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f627a41f000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f627a208000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f6279e69000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f627aec6000)
user@debian:~$
 
Old 03-27-2019, 03:15 AM   #12
pan64
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looks like you did not check if DISPLAY was set properly. you can use: strace -o <logfile> -f ILSpy to check what's happening, but that may produce a huge logfile and probably not really easy to catch anything....
 
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Old 03-27-2019, 03:22 AM   #13
tyler2016
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According to ldd, you aren't missing any libraries.

Quote:
Originally Posted by pan64 View Post
looks like you did not check if DISPLAY was set properly. you can use: strace -o <logfile> -f ILSpy to check what's happening, but that may produce a huge logfile and probably not really easy to catch anything....
Check to see if your DISPLAY variable is set with

Code:
$ echo $DISPLAY
:0
An easy way to test your DISPLAY variable is to launch a GUI program you know works from the command line. Try one of these.

Code:
$ xclock
$ firefox
$ chromium
$ google-chrome
 
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Old 03-27-2019, 06:10 AM   #14
whois1230
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Quote:
Originally Posted by pan64 View Post
looks like you did not check if DISPLAY was set properly. you can use: strace -o <logfile> -f ILSpy to check what's happening, but that may produce a huge logfile and probably not really easy to catch anything....
Code:
user@debian:~$ strace -o <logfile> -f ILSpy
bash: logfile: No such file or directory
user@debian:~$ sudo strace -o <logfile> -f ILSpy
bash: logfile: No such file or directory
Quote:
Originally Posted by tyler2016 View Post
According to ldd, you aren't missing any libraries.

Check to see if your DISPLAY variable is set with

Code:
$ echo $DISPLAY
:0
An easy way to test your DISPLAY variable is to launch a GUI program you know works from the command line. Try one of these.

Code:
$ xclock
$ firefox
$ chromium
$ google-chrome
Code:
user@debian:~$ echo $DISPLAY
:0
The result of
Code:
echo $DISPLAY
was
Code:
:0
Code:
user@debian:~$ firefox
launched firefox successfully.

Last edited by whois1230; 03-27-2019 at 06:12 AM.
 
Old 03-27-2019, 06:17 AM   #15
tyler2016
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We are making progress. We now know that you aren't missing any libraries and your X environment works. I concur with pan64's suggestion to use strace. Use these commands to see what files the program tries to access:

Code:
$ strace -f -o /tmp/ilspy.strace ~/Desktop/ILSpy-debian.8-x64-Release/ILSpy
$ grep 'open(' /tmp/ilspy.strace
 
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