snx: error while loading shared libraries: libX11.so.6

SystemMen - snx: error while loading shared libraries: libX11.so.6: cannot open shared object file: No such file or directory.

This is an error I encountered when installing Check Point VPN client on Linux Mint 19. This article, I will show you how to fix this error.

First, I have successfully installed Check Point VPN client on Linux Mint 18 and have no problems.

Recommended Reading: How to install Check Point VPN client in Linux

The error “/usr/bin/cshell/launcher: not found”

When I did the same on Mint 19, when I installed cshell, I encountered an error like the following.

root@linux:~/Desktop# bash cshell_install.sh
Start Check Point Mobile Access Portal Agent installation
Extracting Mobile Access Portal Agent… Done
Installing Mobile Access Portal Agent… Done
Installing certificate… Done
Starting Mobile Access Portal Agent… /bin/sh: 1: /usr/bin/cshell/launcher: not found

I listed the cshell folder and found the launcher file in it, which is absurd.

root@linux:~/Desktop# ls -al /usr/bin/cshell/
total 1652
drwxr-xr-x 4 danie danie    4096 Aug 13 22:05 .
drwxr-xr-x 3 root  root    65536 Aug  9 20:09 ..
drwxr-xr-x 2 danie danie    4096 Aug 13 22:05 cert
-rwxr-xr-x 1 danie danie 1588827 May 21  2018 CShell.jar
-rw-r--r-- 1 danie danie    8230 May 21  2018 cshell_uninstall.sh
-rwx--x--x 1 danie danie    7415 May 21  2018 launcher
drwxr-xr-x 2 danie danie    4096 Aug 13 22:05 tmp

I think that the launcher file is an executable file and probably calls a dependency file and it can’t be found.

For the time being, I don’t know which file is missing.

The error “snx: error while loading shared libraries: libX11.so.6”

Next, I installed the snx package and encountered the following error.

root@linux:~/Desktop# bash snx_install.sh
Installation successfull
snx: error while loading shared libraries: libX11.so.6: cannot open shared object file: No such file or directory

At this point, I know I have a missing file.

To be sure, I use the following command to check if snx is missing any files. And just like the error message, it is missing libX11.so.6.

root@linux:~/Desktop# ldd $(which snx)
	linux-gate.so.1 (0xf7f57000)
	libX11.so.6 => not found
	libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xf7f16000)
	libresolv.so.2 => /lib/i386-linux-gnu/libresolv.so.2 (0xf7efe000)
	libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xf7ef9000)
	libpam.so.0 => /lib/i386-linux-gnu/libpam.so.0 (0xf7ee9000)
	libnsl.so.1 => /lib/i386-linux-gnu/libnsl.so.1 (0xf7ece000)
	libstdc++.so.5 => /usr/lib/i386-linux-gnu/libstdc++.so.5 (0xf7e0f000)
	libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xf7c33000)
	/lib/ld-linux.so.2 (0xf7f59000)
	libaudit.so.1 => /lib/i386-linux-gnu/libaudit.so.1 (0xf7c09000)
	libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0xf7b07000)
	libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf7ae7000)
	libcap-ng.so.0 => /lib/i386-linux-gnu/libcap-ng.so.0 (0xf7ae1000)

I checked my computer has installed this package or not and it was amazing that it was already installed.

root@linux:~/Desktop# apt-get install libx11-6
Reading package lists… Done
Building dependency tree
Reading state information… Done
libx11-6 is already the newest version (2:1.6.4-3ubuntu0.2).

But looking back at the installation steps, I realized that Check Point VPN client on Linux runs 32 bit. And I just checked the 64 bit package, this is probably my omission.

Fix “snx: error while loading shared libraries: libX11.so.6”

And here, I try to solve the problem by installing the package libx11-6:i386 with the following command.

# apt-get install libx11-6:i386 -y

After the installation is complete, I try to run the snx command and it’s great, it’s out of error.

root@linux:~/Desktop# snx
failed to open file: /root/.snxrc
Valid attributes are:
   - server          SNX server to connet to
   - sslport         The SNX SSL port (if not default)
   - username        the user name
   - certificate     certificate file to use
   - calist          directory containing CA files
   - reauth          enable automatic reauthentication. Valid values { yes, no }
   - debug           enable debug output. Valid values { yes, 1-5 }
   - cipher          encryption algorithm to use. Valid values { RC4 / 3DES }
   - proxy_name      proxy hostname
   - proxy_port      proxy port
   - proxy_user      username for proxy authentication

Next, I ran the cshell launcher file and it was great, it worked without any errors.

root@linux:~/Desktop# /usr/bin/cshell/launcher
LAUNCHER> Starting CShell…
LAUNCHER> CShell Started

Conclusion

With each step of the tutorial in this article, I hope you can fix the error with Check Point VPN client on your Linux machine.