hi all ,
Need to a run a program on user logout (using GNOME log screen).
Tried using .bash_logout for this purpose but that doesnt seem to work.
Similar to .bash_logout is there any script /program which a normal user (other than root ) can edit and run it on their logout?
can anybody... (0 Replies)
Dear all
Ihave written a script in Hpux9.0, the ecript is working fine if I run it from root command prompt
But when I am running it thru /etc/profile or /user/.profile and login as a normal user, the owner of the process running the script is the normal user & hence cant run a root privileaged... (7 Replies)
hi
i am new to unix and i have abig task. i have to \run particular commands having root privileges from a non root user. i know sudo is one of the way but i need sum other approach kindly help
Thanks (5 Replies)
Hi Everybody,
I want to run my own script on logout , i can use .bash_logout file... problem is this will work only for that particular user... i want to know the common file... so that script wil run for all the user...
2. How to run script on Shutdown ?
Thanks in advance
Anitha (4 Replies)
Ok, so, in order to install some dependencies of a program I made, a script has to be run as root. The thing is that I have to copy some things into the home folder of currently logged in user, but the variable $HOME returns '/root' and the $USER returns 'root' :(
Is there any way to see who is... (7 Replies)
Hi,
I have a shell script file which is set to access permission 000. When I login as root (sudo su) and try to run this script, I am getting the Permission denied error. I have read somewhere that root admin user can execute any kind of permission script. Then why this behavior? However, I can... (1 Reply)
So I have a script that runs as a non-root user, lets say the username is 'xymon' .
This script needs to log on to a remote system as a non-root user also and call up a bash script that runs another bash script as root.
in short: user xymon on system A needs to run a file as root user and have... (2 Replies)
Hello I have a script which is working fine so far to generate HTML file. Now i am wondering how do i include a syntax where it can change itself to root user and execute a specific commands as root user.
Please help, Thanks in advance.
-Siddhesh (2 Replies)
Hi friends,,,
I am running one server on Ubuntu 12.04 LTS 32-bit, some times my pc restarts automatically, with no reason, I have a script to start server which requires root password. in this directory
/myserver/start_server.sh
How can I do this ?
and some scripts I am having that I... (1 Reply)
Discussion started by: Akshay Hegde
1 Replies
LEARN ABOUT BSD
trap
trap(1) User Commands trap(1)NAME
trap, onintr - shell built-in functions to respond to (hardware) signals
SYNOPSIS
sh
trap [ argument n [n2...]]
csh
onintr [-| label]
ksh
*trap [ arg sig [ sig2...]]
DESCRIPTION
sh
The trap command argument is to be read and executed when the shell receives numeric or symbolic signal(s) (n). (Note: argument is scanned
once when the trap is set and once when the trap is taken.) Trap commands are executed in order of signal number or corresponding symbolic
names. Any attempt to set a trap on a signal that was ignored on entry to the current shell is ineffective. An attempt to trap on signal 11
(memory fault) produces an error. If argument is absent all trap(s) n are reset to their original values. If argument is the null string
this signal is ignored by the shell and by the commands it invokes. If n is 0 the command argument is executed on exit from the shell. The
trap command with no arguments prints a list of commands associated with each signal number.
csh
onintr controls the action of the shell on interrupts. With no arguments, onintr restores the default action of the shell on interrupts.
(The shell terminates shell scripts and returns to the terminal command input level). With the - argument, the shell ignores all inter-
rupts. With a label argument, the shell executes a goto label when an interrupt is received or a child process terminates because it was
interrupted.
ksh
trap uses arg as a command to be read and executed when the shell receives signal(s) sig. (Note that arg is scanned once when the trap is
set and once when the trap is taken.) Each sig can be given as a number or as the name of the signal. trap commands are executed in order
of signal number. Any attempt to set a trap on a signal that was ignored on entry to the current shell is ineffective. If arg is omitted
or is -, then the trap(s) for each sig are reset to their original values. If arg is the null (the empty string, e.g., "" ) string then
this signal is ignored by the shell and by the commands it invokes. If sig is ERR then arg will be executed whenever a command has a non-
zero exit status. If sig is DEBUG then arg will be executed after each command. If sig is 0 or EXIT for a trap set outside any function
then the command arg is executed on exit from the shell. The trap command with no arguments prints a list of commands associated with each
signal number.
On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways:
1. Variable assignment lists preceding the command remain in effect when the command completes.
2. I/O redirections are processed after variable assignments.
3. Errors cause a script that contains them to abort.
4. Words, following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari-
able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation are not
performed.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO csh(1), exit(1), ksh(1), sh(1), attributes(5)SunOS 5.10 23 Oct 1994 trap(1)