try ./backup -Eric
On February 16, 2002 09:27 pm, Charles Muller wrote: > Obviously, I am somewhat dense, but after all the feedback on creating > an executable file to run my backups, apparently I am still missing > something. > > I created a text file named "backup" which I have placed in my home > directory, named /home/chuck. The file contains the following lines: > > ----------------------- > #!/bin/bash > > tar cvzfP /mnt/win_d/linux-bak/home.tar.gz /home > tar cvzfP /mnt/win_d/linux-bak/evol.tar.gz /evolution > -------------------------- > > > After creating this file, I tried to make it executable by typing > > chmod +x backup > > while in the same directory. I assume this worked since no error > messages were generated. > > I had thought that I could run this file by going to the /chuck > directory and typing the file name. But it doesn't run. I get the > response: > > bash: backup: command not found > > Can someone tell me what I am missing here? I am sorry to be so slow. > > Thanks again, > > Chuck > > > On Fri, 15 Feb 2002 09:31:09 -0000 > > > > "Barran, Richard" <[EMAIL PROTECTED]> revealed these words to me: > > > Speaking as a newbie... I thought scripts had to end with a ".sh"? Or > > > is that just a convention? > > > Also, when I want to run a script I've written myself, I just change to > > > the directory the script is kept in, and type the script name. I don't > > > prefix it with a "./" > > > Am I missing something here? > > > > > > Thanks, > > > > > > Richard > > > > .sh is just a convention so users can see what interpreter is to be used > > with the script ( .csh, .ksh, .py are some of the other endings but the > > list does not end there). you could make it end in '.nonsense' and it > > will be executed by the interpreter specified by its first line (i.e > > #!/bin/bash), or if it is still missing, the current interpreter (which > > is your shell). > > > > echo your PATH environment ( $ echo $PATH ) and see if there is a lone > > dot in the resulting list of colon-delimited directories. i assume you > > have it which is considered by many to be a security risk. the default > > setting is to exclude the current directory from the PATH variable to > > limit the potential of running a malicious executable placed in a > > directory which is named after a common utility. here is a scenario. > > > > assuming your PATH variable looks like this ".:/bin/:/usr/local/bin:..." > > and an intruder with 'maliscious intent' ( a hacker or a friend trying to > > put a trick on you) got an access to your account and created a script > > containing the following code: > > > > #!/bin/bash > > > > rm -rf ~ > > echo "Hi, you just toasted you home directory! Have a nice day." > > > > > > and saved it on your home directory with the filename 'ls' with matching > > execute permissions. then you log-in, was put in your home directory. you > > issued ls to get a directory listing. since bash will be looking first > > for a ls executable in the current directory (look at the PATH variable), > > you could just guess how big the intruder's smile would be after that > > moment. *grin* > > > > ciao! > > > > -- > > > > "Programming, an artform that fights back." > > > > ============================= > > Anuerin G. Diaz > > Design Engineer > > Millennium Software, Incorporated > > 2305 B West Tower, Philippines Stocks Exchange Center, > > Exchange Road, Ortigas Center, Pasig City > > > > Tel# 638-3070 loc. 72 > > Fax# 638-3079 > > ============================= > > > > > > ---- > > > > > > Want to buy your Pack or Services from MandrakeSoft? > > Go to http://www.mandrakestore.com -- arctic bears - email and name services 25 email addresses@yourdomain CA$11.95/month DNS starting at CA$3.49/month - domains from CA$25.95/year for details contact [EMAIL PROTECTED] or visit http://www.arcticbears.com
Want to buy your Pack or Services from MandrakeSoft? Go to http://www.mandrakestore.com
