Networking :: Granting Selected User Access To Selected Network Interface?
Oct 3, 2009
I have a multi-user machine with several network interfaces (Ethernet, if that matters). I wish to grant selected users, or groups, full access to selected network interfaces (including ability to adjust IP address and to bind to low ports, but *only* on those interfaces). It is important to me that an user/group does not such full control over other interfaces. Granting partial, or temporary, root permissions is OK; it's a friendly environment.How do I go about it?System: Linux 2.6.recent; usual Debian setup (can be adjusted if needed).
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Jul 18, 2010
i am new to linux and i nid a bash script to Delete selected backup files and also restore selected backup file to a user define directory.
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Oct 17, 2010
I broke my apache server. I went into the Yast administrator / HTTP Server and enabled the "rewrite" module. The server stopped working so I went back in and disabled it. Now the server still doesn't work and when I try browsing to any of the sites on it all I see is a page that says "No database selected" for any sites using databases. For static sites I get a 404 error. I broke rule #1 and didn't have back-up configuration files so now I'm stuck. What could the Yast module have done to my configuration files? I have restarted apache several times and even re-booted the computer.
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Mar 29, 2011
I'm having all sorts of problems connecting an access point to my computer, but here is one piece that I hope will get me going, if I can get it solved.My computer has two network interfaces, eth0 and eth1. eth1 connects to the cable modem and thence the world, and works fine. eth0 is supposed to connect to the access point over a private network. Here is the output from route with my IP address blotted out:
Code:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
[code]...
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Dec 5, 2010
I have 2 wans . I want to assign a particular wan to selected IPs.Will I achieve it by iptables or ?
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Nov 20, 2010
how can i copy and paste selected text from one file to other using vi in RHEL5.i googled and found some methods,like just use m to mark the start, with an arbitrary buffer name (so you might type mx). Move your cursor down to where you want to stop copying, and type y'x (or d'x if you're cutting and pasting). Then move the cursor to the point where you want to paste, and type p. when i do this it pastes the entire line of which a part is selected so in essence it is working as yy. when i open a new file using vi and try to paste it says "nothing in register".what i exactly want to do is copy only the selected text as shown above in red and paste it in a new file.
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Feb 20, 2011
I use Debian Squeeze and I would like to ask if someone knows a program to take a screenshot of a selected area of my screen. I already know imageshack and scrot, but they don't do what I need because I need to know previously coordinates and the dimension of the selected area. I need a program that I could select a rectangle with my mouse to take a screenshot of that part.I don't know if I'm clear what I'm trying to say is that I need something like this google-chrome plugin[URL]
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Jun 3, 2011
I installed 15. I have reformatted the 500mb /boot partition, didn't touch the swap partition, formatted the / partition. Trying to boot, I receive a "cannot mount selected partition". This is a fresh install. I rebooted into the Live CD to do some FS Checks, and got kernal crash, black screen, lots of kernal output while in live CD trying to do FS checks. The only line that looks like it holds any info that may be relevant is the last of the lines that says: Kernal Panic - Not Syncing: Fatal exception interupt PID 1161, comm:irq/21-0000:01: tainted: g d (kernal version) Panic+0x91/0x19c
I did an FS check on /boot and it came back fine. I did an FS check on /, and it came back fine. But then I told it to do an FS check on swap and got the warning that swap is currently mounted, and that if I proceed, it could cause serious system damage, and asked me if I wanted to proceed. I chose no, and it crashed.
---------- Post added at 02:59 AM ---------- Previous post was at 02:42 AM ----------
wait, i think i found the problem. It APPARENTLY installed /boot as ext4. Reinstalling now. Will update momentarily...
---------- Post added at 03:06 AM ---------- Previous post was at 02:59 AM ----------
Nope, i explicity made sure i installed ext3 on boot this time, and it still gives the same boot error, AND i KEEP getting that kernel crash.
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Mar 3, 2011
I am trying to create an option in the right click menu to append the currently selected file/folder to a text file that a script will read later and delete the files in the list. Is there a way I can do that? I know how to write a script to read the text file and delete the list but I don't know how/if you can get the currently selected file with a script. Is that possible?
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Feb 10, 2010
Assumed I have the following files:
test12.txt
test13.txt
test14.txt
test15.txt
I want to delete the first 3 files with one command. How to do that?
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Jan 3, 2010
Before I was forced to delete (actually rename) my .gnome2 directory in order to get a fresh start, I had an icon on my panel (task-bar? SSSsssss ) that would kill the next window that I clicked. Useful when a program stops responding.My problem: Rebuilding my panel, I don't recall the name of that utility. I had originally copied it off one either the Applications menu or the System menu but I can't find it now.My questions:What is the name of that kill-next-clicked-window utility?What directory (presumably some place under .gnome2) holds the links to the programs on the panels? My search under the renamed .gnome2 directory yields a lot of nearly empty directories and nothing I can identify as my objective. (In case I get it into my head to manually edit the panel - not likely.)
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May 7, 2010
On my Mac, when I press F2, I am able to take a screen shot of a selected area. Is it possible to assign a hot key to do the same thing on my Ubuntu 10.04 PC?
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Jun 11, 2010
How can I change the selected drives to boot from. I want to set my windows drive first so I don't have to select it each time.
I have ubuntu 10.04.
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Feb 24, 2011
i am unable to print specific pages in Ubuntu. i connected my HP Desk jet F2120 printer to my Ubuntu machine and it installed correctly but now if i want to print only the certain pages from a word document or PDFs i am unable to print it. there is a option of pages in print menu which says : " example 1-3,7,11" i don't know what that means.
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Mar 25, 2011
I have read a million threads about adding exceptions to Maximus, and I know how to do that, but is there any possible way of telling Maximus not to touch any programs except the ones I specifically want it to? Actually, the ONLY program I want it to touch is Firefox.
Is there some secret syntax I could put in the exceptions to the effect of "all and not firefox" (as in, make all programs an exception, except Firefox)?
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May 12, 2011
Why am i getting backport updates ; that are'nt carrying a vaid authentitcation & i do not have the backport update setting selected ?
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Sep 9, 2010
I have a Ubuntu CD sent by Cononical . It runs slow because of my old computer . Now I have downloaded and burnt Lubuntu . Ubuntu Cd has an application Wubi which lets me install it inside XP .
Lubuntu dont have that app so I have to run live CD and install from there .The problems arrives in 5th step when I am asked to select a partition but it says no root selected . So I cant install Lubuntu .
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Jan 9, 2010
if it's possible to see or retrieve from the system which menu option from the grub boot menu was selected afterall.
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Jul 6, 2011
If we install patach in RHEL5 then we use "yum update" command but it will install all the available patches in the list, but if i want to install any specific patch then how to install this? Is it via "yum update ??"
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Apr 6, 2010
i am trying to delete multiple files from sftp with non-interactive way as per the desire ext. But i am not able to get the proper extension of the files for removing files.
lftp -u ${user},${passwd} sftp://${ip}<<EOF
cd ${path}
rm *${ext}
bye
EOF
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Aug 5, 2011
How can I configure squid to allow access from untrusted segment only to selected pages? My configuration is as follows
Code:
acl untrusted src 192.168.78.0/255.255.255.0
acl allowedpages url_regex -i "/etc/squid/allowed.txt"
[code]....
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Apr 6, 2010
How can I delete selected rows of a table in perl/CGI??
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Aug 4, 2010
I am writing a script to delete certain files
say
Code:
find / -name lighttpd
gives following output
Code:
/etc/init.d/lighttpd
/etc/lighttpd
/home/lighttpd
/opt/lighttpd-1.4.x/src/lighttpd
I do not want to delete file in home directory but rest all. In one shell script. So first line I am clear with but what can be the second line,
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Sep 9, 2010
Just got Ubuntu (latest, greatest) installed. IIRC I selected 'auto loggin' from the install CD, but I'm unsure how this works. I have a user loggin 'ray' and a PW that's all OK. In the GUI, if I want to do something heavy it asks me for a PW which tells me that I'm 'root' at that time.But at the CL prompt I can't log in as root with no PW nor with the PW I use as 'ray'. BTW, is there somewhere I can bitch about the install CD? It was not an unpleasant experience, but I think it could be a bit better.
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Sep 9, 2009
I want to create a customize CD of selected application of centos & want same can be auto installed on fresh machine without any user interventions( like partition etc). I mean u just put the cd in drive & it directly give you login screen . that's all (but installation must be on HDD)
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May 28, 2011
I installed the 64-bit version of Debian Squeeze yesterday and noticed when exiting either the XFCE or LXDE desktops by selecting Restart or Reboot, the computer does not reboot back to the BIOS and GRUB, it simply reloads Linux without rebooting the hardware - no warm boot. XFCE and LXDE are the only desktop environments installed.
The 32-bit version of Debian installed on other computers, correctly reboots the hardware when the same option is selected.
Is there a file I could look at (or perhaps add a particular boot parameter) that will force a proper reboot of the hardware when that option is selected, or is that how the 64-bit version is designed to work?
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Oct 10, 2009
I am having problems with grub. Originally I was having trouble installing Service Pack 2 for vista and I made the fool's mistake of changing the active partition in disk management from the boot partition to the windows partition. This blew up grub. After restarting I was dumped at the grub terminal i.e.
grub>
so I thought okay, I will just reinstall grub. I ran setup (hdx,y) but now when I restart first of all the splash screen is different, rather then the blue background with the big words in white, fedora 11, it's black and I get a error saying unable to read any images. I can see the different OS' I have on the grub screen but attempting to load any of them gives me
error 17 cannot mount selected partition.
I am currently running the Fedora 11 xfce spin live cd. From the terminal here, here is some information. sda3 is my fedora 11 partition I am not sure maybe it is because of ext4 but I can't seem to mount it using mount /dev/sda3 /mnt/xxxxx.
[root@localhost grub]# fdisk -l
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x72edceee
Device Boot Start End Blocks Id System
[Code].....
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Aug 12, 2010
I have just installed F13 and encountered a very annoying problem with KWrite/Kate. Every time I select the text in KWrite/Kate, then switch to another windows for pasting, the text in KWrite/Kate disappears. I cannot even undo to recover the lost text. I have to close the document without saving, then reopen it.
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Feb 1, 2011
When I press the power button and select 'Hibernate' I get a text string come up on the screen. The last characters are "fail: -6". There is more to it but it's there and gone so quickly I haven't written the rest of it down yet. What this might be?
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Feb 2, 2011
Haldaemon, pscd not starting... cannot force to start. Do not start when running service pscd start. Just failed. Boot message is below:
Remounting root filesystem in read-write mode: [ OK ]
Mounting local filesystems: [ OK ]
Enabling /etc/fstab swaps: [ OK ]
[code]...
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