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Old 09-04-2003, 11:50 AM   #1
Mestax
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Symlink


Hi there,

I'm trying to install the linux-dvb drivers for my wintv nova t and i've come across what appears to be a reasonable guide, however the first thing it says is to create a symlink to a directory, and i haven't a clue how to do this....could someone possibly give me a few pointers?

Thanks very much,

Dan
 
Old 09-04-2003, 11:59 AM   #2
fancypiper
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ln -s /path/to/file-or-directory /path/to/name-of-symbolic-link.

For example, to make a symbolic link pointing to kernel source code:

ln -s /usr/src/linux-2.4.18-3 /usr/src/linux

# Compiling/installing kernel modules
You will need to have installed:
1. The developmental packages (compiler)
2. The kernel source code that matches your running kernel
3. The module source or install code

Check out your system and look under the hood and see if you installed the stuff you need to do the job. Open an x terminal and type in this sequence of commands to see what kernel we are running and see if you have the kernel source installed:
Code:
[fancy@tinwhistle fancy]$ su -
Password: 
[root@tinwhistle root]# uname -r
2.4.18-3
I am running kernel version 2.4.18-3. Do I have the proper source code?
Code:
[root@tinwhistle root]# cd /usr/src
[root@tinwhistle src]# ls -alc
total 3
drwxr-xr-x    4 root     root          136 Jun 12 14:53 .
drwxr-xr-x   16 root     root          424 Jun  4 12:04 ..
lrwxrwxrwx    1 root     root           14 Jun  4 12:11 linux-2.4 -> linux-2.4.18-3
drwxr-xr-x   16 root     root          584 Jun  4 12:11 linux-2.4.18-3
drwxr-xr-x    7 root     root          168 Jun  4 12:08 redhat
[root@tinwhistle src]#
I do have the same kernel version source code installed in the directory /usr/src/linux-2.4.18-3 and there is a symbolic link named linux-2.4 pointing to it.

If you don't see something similiar to this (but in color), you will need to install the kernel source.

NOTE: I noticed that Red Hat didn't make the symbolic link /usr/src/linux that all of the INSTALL files that I have read mentioned that I need, so I may as well make one now to save editing the files in the source code to install.So, I'll make it just now:
Code:
[root@tinwhistle src]# ln -s linux-2.4.18-3 linux         
[root@tinwhistle src]# ls -alc
total 3
drwxr-xr-x    4 root     root          160 Jun 12 15:46 .
drwxr-xr-x   16 root     root          424 Jun  4 12:04 ..
lrwxrwxrwx    1 root     root           14 Jun 12 15:46 linux -> linux-2.4.18-3
lrwxrwxrwx    1 root     root           14 Jun  4 12:11 linux-2.4 -> linux-2.4.18-3
drwxr-xr-x   16 root     root          584 Jun  4 12:11 linux-2.4.18-3
drwxr-xr-x    7 root     root          168 Jun  4 12:08 redhat
[root@tinwhistle src]#
Ah, there it is, so that's done.

Next, did I install the compiler?
Code:
[root@tinwhistle src]# gcc -v          
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
gcc version 2.96 20000731 (Red Hat Linux 7.3 2.96-113)
[root@tinwhistle src]#
Yes, I have a compiler installed.

If you don't have those two things installed, you have to install them first off your install CD.

If they are installed, download the source and happy comiling. Make sure you carefully read the README and INSTALL files after extracting and before compiling/installing.

# Guides to software management
LNAG - How do I install a program I downloaded from the Internet?
Rute Guide's software explanation
You might want to check out CheckInstall to manage source code installations/uninstallation
 
Old 09-04-2003, 12:01 PM   #3
h/w
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its just a 'shortcut' (a opointer, really) to someplace else.

if u have a file called "abc.c" under the directory "/home/xxx/yyy/abc.c", and u want to have a pointer to it from someplace else, say, in ur '/home/xxx' dir, u wud do (in the '/home/xxx' dir)

ln -s /home/xxx/yyy/abc.c abc

the above cmd creates a symbolic (-s) link (ln) to abc.c in the dir where u issued this is, and the name of the link is called abc

do an 'ls -l' in the dir where u issued the cmd in, to see it.
 
Old 09-04-2003, 12:07 PM   #4
Mestax
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Thanks very much, it has done the trick...now for the rest of the guide (and problems no doubt..haha)!

Dan
 
  


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