11-18-2010
Execute shell script from browser through php
Hi all,
I want to execute a shell script in which I call ssh to execute a remote command.
Everything works fine from command line but when I try to call from PHP (with exec or whatever function) it fails.
After some time I came to the root cause: when www-data execute the ssh command it asks for key-exchange/password even if "ssh -l myuser R_HOST ...".
I'm not a pro with ssh, can you help with some tip?
Thanks,
Evan
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LEARN ABOUT DEBIAN
xsession.options
Xsession.options(5) File Formats Manual Xsession.options(5)
NAME
Xsession.options - configuration options for Xsession(5)
DESCRIPTION
/etc/X11/Xsession.options contains a set of flags that determine some of the behavior of the Xsession(5) Bourne shell (sh(1)) script. See
the Xsession(5) manpage for further information.
Xsession.options may contain comments, which begin with a hash mark ('#') and end at the next newline, just like comments in shell scripts.
The rest of the file consists of options which are expressed as words separated by hyphens, with only one option per line. Options are
enabled by simply placing them in the file; they are disabled by prefixing the option name with 'no-'.
Available options are:
allow-failsafe
If the 'failsafe' argument is passed to the Xsession script, an emergency X session is invoked, consisting of only an x-termi-
nal-emulator(1) in the upper-left hand corner of the screen. No window manager is started. If an x-terminal-emulator program is
not available, the session exits immediately.
allow-user-resources
If users have a file called .Xresources in their home directories, these resources will be merged with the default X resources when
they log in.
allow-user-xsession
If users have an executable file called .xsession in their home directories, it can be used as the startup program for the X session
(see Xsession(5)). If the file is present but not executable, it may still be used, but is assumed to be a Bourne shell script, and
executed with sh(1).
use-session-dbus
If the dbus package is installed, the session bus will be activated at X session launch.
use-ssh-agent
If the ssh-agent(1) program is available and no agent process appears to be running already, the X session will be invoked by
exec'ing ssh-agent with the startup command, instead of the startup command directly.
All of the above options are enabled by default. Additional options may be supported by the local administrator. Xsession(5) describes
how this is accomplished.
AUTHORS
Stephen Early, Mark Eichin, and Branden Robinson developed Debian's X session handling scripts. Branden Robinson wrote this manual page.
SEE ALSO
Xsession(5), ssh-agent(1), x-terminal-emulator(1)
Debian Project 2004-10-31 Xsession.options(5)