here is brief intro of situation
the script generateReport.sh is created by me (user xyz) and is kept in another user ( abc ) home directory. ok .
the script want to read some files which abc users have access to.
the current situation is i execute command
and then access the files
i want to automate this process in script
so when i
it asks my password which i provide then after logging in it produces error as specified in my 1st post. ( user xyz execute script as root on user abc )
i can talk with user abc for some changes if they are minor.
I've written a shell script to alter a particular preference file on OS X (10.3.9), which works fine (tested by running the script from the terminal sat in front of the box).
Problem is, I now have to run this script remotely across a number of machines via remote desktop, so where I've used the... (1 Reply)
Good morning..
ok, so I have 2 desktops that are supposed to be built VERY similar. They both have solaris 10 installed on them. I have a specific user that is trying to pass variables through using sudo. He already has this variable set..
tmp=/home/useraccount/tmp
However when he does:... (1 Reply)
hi,
I have a script abc in a machine xyz. which i can access by sudo su - user. that is i can login to xyz using my id and then switch to user and run the script.
Now what i need to do is run the script from another script in machine xyz1. From xyz1 i can ssh to xyz using my id. Some one... (1 Reply)
cat test.sh
sudo mount -t vfat /dev/sda7 /media/Ddrive
If i double click the test.sh file and select run in terminal then the terminal prompts for password.
How can i avoid typing password?
Or if i double click test.sh file and select run then nothing happens.
What i'm trying "Double... (3 Replies)
Hi everyone:
I have a big trouble, I need create a script that must switch user and then must execute
certain commands, sadly neither my user nor the second user have no privileges
for sudo, I've tried everything but seems su doesn't accept input redirection, please help me, it's very... (8 Replies)
Normally i would google, but I did not know how to google the problem I am facing now also being a newbie in shell scripting.
Okay, the requirement is
user1 has sudo rule to su - user2(NO PASSWORD) and user2 has will be able to sudo certain commands
so following works fine from command prompt... (2 Replies)
I am writing a BASH script to update a webserver and then restart Apache. It looks basically like this:
#!/bin/bash
rsync /path/on/local/machine/ foo.com:path/on/remote/machine/
ssh foo.com sudo /etc/init.d/apache2 reloadrsync and ssh don't prompt for a password, because I have DSA encryption... (9 Replies)
I have a script in which I used "sudo -s" I notice some extremely strange behavior when executing this script. To investigate this I decided to recreate the problem in the following script. I notice that "sudo -s" is only being executed one time. Soon after completely falls apart. Is there... (4 Replies)
Hello Friends,
I have a scenario to create a script, I know many of you feel this as simple script.
I am not much familiar with unix scripting, please help me out.
Situation:-
1. I have a list of config files like 40+ would be getting deployed in the /app/abcd/src/Config/ (This will... (2 Replies)
Hi all,
I have a script like this, where i am trying to login into oracle db via ssh and do a account unlock.
#!/bin/sh
ip=$1
os_user=$2
key=$3
ou_user=$4
ou_pass=$5
unlock_user=$6
ssh -i $key $os_user@$ip
sudo -u $ou_user -p $ou_pass -- i am getting error here...its not taking... (16 Replies)
Discussion started by: onenessboy
16 Replies
LEARN ABOUT CENTOS
subst
subst(n) Tcl Built-In Commands subst(n)
__________________________________________________________________________________________________________________________________________________NAME
subst - Perform backslash, command, and variable substitutions
SYNOPSIS
subst ?-nobackslashes? ?-nocommands? ?-novariables? string
_________________________________________________________________DESCRIPTION
This command performs variable substitutions, command substitutions, and backslash substitutions on its string argument and returns the
fully-substituted result. The substitutions are performed in exactly the same way as for Tcl commands. As a result, the string argument
is actually substituted twice, once by the Tcl parser in the usual fashion for Tcl commands, and again by the subst command.
If any of the -nobackslashes, -nocommands, or -novariables are specified, then the corresponding substitutions are not performed. For
example, if -nocommands is specified, command substitution is not performed: open and close brackets are treated as ordinary characters
with no special interpretation.
Note that the substitution of one kind can include substitution of other kinds. For example, even when the -novariables option is speci-
fied, command substitution is performed without restriction. This means that any variable substitution necessary to complete the command
substitution will still take place. Likewise, any command substitution necessary to complete a variable substitution will take place, even
when -nocommands is specified. See the EXAMPLES below.
If an error occurs during substitution, then subst will return that error. If a break exception occurs during command or variable substi-
tution, the result of the whole substitution will be the string (as substituted) up to the start of the substitution that raised the excep-
tion. If a continue exception occurs during the evaluation of a command or variable substitution, an empty string will be substituted for
that entire command or variable substitution (as long as it is well-formed Tcl.) If a return exception occurs, or any other return code is
returned during command or variable substitution, then the returned value is substituted for that substitution. See the EXAMPLES below.
In this way, all exceptional return codes are "caught" by subst. The subst command itself will either return an error, or will complete
successfully.
EXAMPLES
When it performs its substitutions, subst does not give any special treatment to double quotes or curly braces (except within command sub-
stitutions) so the script
set a 44
subst {xyz {$a}}
returns "xyz {44}", not "xyz {$a}" and the script
set a "p} q {r"
subst {xyz {$a}}
returns "xyz {p} q {r}", not "xyz {p} q {r}".
When command substitution is performed, it includes any variable substitution necessary to evaluate the script.
set a 44
subst -novariables {$a [format $a]}
returns "$a 44", not "$a $a". Similarly, when variable substitution is performed, it includes any command substitution necessary to
retrieve the value of the variable.
proc b {} {return c}
array set a {c c [b] tricky}
subst -nocommands {[b] $a([b])}
returns "[b] c", not "[b] tricky".
The continue and break exceptions allow command substitutions to prevent substitution of the rest of the command substitution and the rest
of string respectively, giving script authors more options when processing text using subst. For example, the script
subst {abc,[break],def}
returns "abc,", not "abc,,def" and the script
subst {abc,[continue;expr {1+2}],def}
returns "abc,,def", not "abc,3,def".
Other exceptional return codes substitute the returned value
subst {abc,[return foo;expr {1+2}],def}
returns "abc,foo,def", not "abc,3,def" and
subst {abc,[return -code 10 foo;expr {1+2}],def}
also returns "abc,foo,def", not "abc,3,def".
SEE ALSO
Tcl(n), eval(n), break(n), continue(n)
KEYWORDS
backslash substitution, command substitution, variable substitution
Tcl 7.4 subst(n)