10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
I have built a website and I can access and edit the website'files on server via the root user. The current file and directory structures are not changeable. Now I am hiring a webpage designer to help me re-design some pages, I am going to let the designer edit the files directly on the server. So... (5 Replies)
Discussion started by: uwo-g-xw
5 Replies
2. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
I'm able to create a group but when I'm trying to delete the group it keeps stating Group Doesn't Exist. I know... (2 Replies)
Discussion started by: GoBoyGo
2 Replies
3. Shell Programming and Scripting
What I'm trying to do is write a script in Perl to find a user and if that user exist it would print "User Exist, Pls Try Again". If The user doesn't exist I'm able to create a user with a password.
Any suggestions? (3 Replies)
Discussion started by: GoBoyGo
3 Replies
4. Shell Programming and Scripting
Need to use dd to generate a large file from a sample file of random data. This is because I don't have /dev/urandom.
I create a named pipe then:
dd if=mynamed.fifo do=myfile.fifo bs=1024 count=1024
but when I cat a file to the fifo that's 1024 random bytes:
cat randomfile.txt >... (7 Replies)
Discussion started by: Devyn
7 Replies
5. UNIX for Dummies Questions & Answers
I have checked the man page ,which says :
The -H (HOME) option sets the HOME environment variable to the homedir of
the target user (root by default) as specified in passwd(5). By default,
sudo does not modify HOME
But I have tried below command:
#... (1 Reply)
Discussion started by: Michaelw321
1 Replies
6. Red Hat
Our SAN administrator decided to unpresent then destroy LUN's we were actively using as a volume group (all PV's in said volume group). Now every time I do a pvscan or whatever it complains about I/O errors trying to access those PV's. How do I get it to forget the VG existed completely? vgreduce... (7 Replies)
Discussion started by: thmnetwork
7 Replies
7. Programming
Hey,
I'm currently getting into some kernel module progamming. As a little exercise I want to read the headers out of an ELF file. My code is very simple, here is the important part:
struct file *fp;
/* ... */
fp = filp_open("some/file/on/my/pc", O_RDONLY, 0);
if(fp == NULL) {
... (15 Replies)
Discussion started by: disaster
15 Replies
8. Shell Programming and Scripting
Hello,
I want to run one (not multiple) action if an element doesn't exist in array.
for example:
@array = (1..10);
foreach $el (@array)
{
if ($el != 11)
{
print "number not found\n";
}
}
the output of this simple script:
number not found (3 Replies)
Discussion started by: ahmed_zaher
3 Replies
9. Shell Programming and Scripting
I have a script that is working:
#!/bin/bash
sftp user@domain.com <<EOF
cd somedir
mget *.csv
quit
EOF
but on a crontab I want to only pull newer files, so I want to do something like:
while read ls current dir local file != true do
mget that new file
but I'm not sure the syntax... (2 Replies)
Discussion started by: unclecameron
2 Replies
10. UNIX for Dummies Questions & Answers
As part of a NIS implementation, (I think) I want to create a group (in /etc/group) that has users that do not exist on the target machine.
What effect will this have? Will it cause any problems?
Thanks,
Gary Cooper (1 Reply)
Discussion started by: Gary Cooper
1 Replies
04-11-2012
