Ubuntu Networking :: LAN Management GUI?
Jun 9, 2010
I've been using Ubuntu since 2006, and love it! I've even gotten a few others hooked when their Windows machines crapped out due to viruses or other problems. And Ubuntu has only gotten better.Now I'm trying to build a home network around a wireless router (Linksys). I'm set up with a desktop wired to the router, and two laptops regularly connect wirelessly. The wireless router is connected to a cable modem. Everything works fine (except getting the Ubuntu laptop to connect wirelessly using WPA).
What I would like to do is use the desktop as a server, so I can see who is connected at any given time, control security protocol, edit the MAC address list, boot off unwanted users, etc. I can do most of this by connecting to 192.168.1.1, but would prefer something on the desktop.
Looking through the Software Center, the only thing I can find is KontrolPack. Anyone use this? Will this give me the functions I want?
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Oct 25, 2010
I recently upgraded from Lucid to Maverick, and I noticed that a new error message caused by a "cp" command call, including the hard links option. Fortunately, I kept the last Lucid kernel (2.6.32-25), so I could check the different behavior with booting successively on each kernel. Here are my configuration files:
On the server (192.168.1.2):
/etc/fstab :
UUID=... /mnt/Backup ext4 defaults,errors=remount-ro,relatime,async 0 2
/etc/exports :
[code]....
If I check permissions of /net/Backup/Folder2 from the client, I get :
owner = nobody (Create and Delete files), users (Access files), others (Access files)
cp -alR /net/Backup/Folder1/* /net/Backup/Folder2
- under kernel 2.6.32-25: no problem
- under kernel 2.6.35-22: all the subdirectories are created, but all empty; moreover, I get as many messages as number of files from the source:
"cp: cannot create the link ...: operation not allowed"
I can copy manually any file to /net/Backup/Folder2 from the client. Why the behavior has changed from kernel 2.6.32-25 to kernel 2.6.35-22 ? Should I modify the permissions or the way the mount is exported with options like "(no_)root_squash", "all_squash", or "anonuid", "anongid" ?
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Nov 6, 2010
I'm actually preparing a little storage server for implementing using the Bacula suite and as I'm using only wireless connections I've been trying to find useful console applications/methods to manage wireless connections of the two laptops I'm planning to use.(besides NetworkManager cause I need to save as much disk space as I can and NetworkManager has a lot of dependences to install) that could allow me to create and use profiles for different wireless connections when moving through different places?
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Apr 3, 2011
On my netbook, I'm experimenting with removing any panels or window navigators completely, and using synapse for launching applications. But I've encountered a quite annoying problem, as the only stable solution I've found for connecting to wireless applications is the applet used in the gnome panel. I've tried the Wicd Network Manager, but it keeps disconnecting without reason.
Is there another program for connecting wireless, or maybe a way to use applets without a panel/window navigator?
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Sep 25, 2010
I am Network Administrator in a Degree College managing around 2500 Comps. My ISP has terminated its Internet link (15 Mbps) to our Linux Server (Installed 2 NIC) from where Internet connection is extended to rest of the machines in network. I am supposed to send different bandwidth to different departments say 5 Mbps to Hostel, 2 Mbps to Staff room etc. I am new to linux and don't know anything about Bandwidth Management in linux.
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Jan 14, 2010
We are planing to Replace our Windoz Desktops to Linux.So, I am searching for an open source software apart from spacewalk that can install a software or a patch in all the systems that are under my network simultaneously.
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Jan 16, 2010
How do I set the network adapter power to maximum? In windows, this can be easily set under device manager --> hardware --> ..power management.
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Jan 1, 2011
i wanted to do bandwidth management/traffic shaping on my Internet link(have two internet connections), but i have some questions to ask: I want to know how could i for example filter some traffics using tc and iptables (e.g Peer-to-Peer,IM,Download Managers,Flash videos..) i can do filtering for known services like http,ssh,... but since these applications doesn't use one port, i am confused a little bit. I also want to do some bandwidth allocations (based on protocol) thats why i need filtering.
The other question is that currently i am using tc for bandwidth allocation and iptables for marking packets to send to these classes, am i doing it right? I mean it does work, but is it better to use for example "U32" filters for filtering? P.S: i tried to use ClearOS in gateway mode, but it doesn't have bandwidth allocation functionality. Does anyone know if i could do bandwidth allocation in ClearOS/Endian.
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Mar 8, 2011
for quite a while inside of our organization we've been editing /etc/sysconfig/iptables directly without much issues. However it was suggested to us that by doing so we risk losing all those rules whenever some package decides to use lokkit or "system-config-firewal*"Doing a bit of analysis I can't really find any trace of code that would prevent us from maintaining iptables just the way we were (as long as *we* don't use lokkit or system-config-firewall*) since "service iptables save" is a valid technique and uses iptables-save script which is part of iptables package and *not* part of system-config-firewall*
So we've got some evidence that may confirm our usage as valid, however it would be nice to know if indeed this is *not* a recommended way of maintaining iptables and we should reconsider how we approach it.
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Feb 28, 2010
How to set download limit using SQUID? I want to specify the download limit for a particular list in MB. Is it possible to limit bandwith for some group of machines in network?
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May 1, 2011
I am facing a problem with the management of my network card after installing Ubuntu 11.04 32-bit Desktop edition.
There are two Network Cards and one USB adapter which I'd like to drive:
- Ethernet controller Broadcom Corporation NetXtreme BCM5703X Gigabit Ethernet (rev 02)
- Ethernet controller Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
- Realtek Semiconductor Corp. RTL8187 Wireless Adapter
Actually I need the wireless adapter to connect to the AP, so both of the ethernet card should be disabled. Infact, when I try to access to the AP I must disable the eth0 card by using (sudo ifconfig eth0 down), otherwise the route assigns the default gw (192.168.1.1) to the eth0 device and the network is useless.
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Jul 6, 2010
I am trying to do my graduation project, it's labeled under "linux secure router", and I should build a linux based router equipped with firewall and ACL management...Some people advice me to use linux ubuntu distribution todo this I try to do that but I don't know where to start form
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Aug 1, 2010
I enabled D-Link (DSL-502T) router web management (I am aware of security implication). I was able remotely to login to the router (by typing http://23.45.xx.6y) before changing the default number 80. Then I changed the port number from the default value 80 to 21908 (https option is not available) for better security, and when I tried to login to the router by typing this :
http://23.45.xx.6y:21908
Yes I am aware that if I am physically near to the router then I can check that , but this is not the case with me. How can I make sure that I had changed port number form 80 to 21908? Does NMAP do a trick to reveal which port is used for web management ? or are there other better options?
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Feb 28, 2010
How to set download limit using SQUID? I want to specify the download limit for a particular list in MB. Is it possible to limit bandwith for some group of machines in network?
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Nov 29, 2010
I am trying to do some bandwidth management testing, so I have developed a small script for doing so. When I try to run it it gives the error <error> RTNETLINK answers: invalid argument</error>. I have searched the net, and so far they say it has to do something with the kernel support.
the script:
<code>
tc qdisc add dev eth1 root handle 1: htb
tc class add dev eth1 parent 1: classid 1:1 htb rate 2mbit ceil 2mbit
tc class add dev eth1 parent 1:1 classid 1:10 htb rate 600kbit ceil 2mbit prio 2
tc class add dev eth1 parent 1:1 classid 1:20 htb rate 1400kbit ceil 2mbit
tc class add dev eth1 parent 1:20 classid 20:100 htb rate 700kbit ceil 2mbit prio 0 #when running this command it gives the error
tc class add dev eth1 parent 1:20 classid 20:200 htb rate 700kbit ceil 2mbit pro 1
</code>
I am running this script on a virtual machine that has ubuntu 9.04 installed.
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Aug 19, 2010
One of the PC having Ubantu gets disconnected automatically from the network.As we do in normal windows is that we get to the device manger and select the LAN card properties and check off the power management check box similarly how can be do this thing in a linux OS.
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Jan 27, 2010
Alright this is not a huge issue but a rather annoying one. I hook my laptop up to my lcd to watch movies all of the time. The problem is though I have selected and reselected many times for the screen to not power off after so many minutes of inactivity. But for some reason it doesnt work. If i set it to an 1 it still like every 5 minutes turns off my screen. Im running 9.10 on a toshiba satellite with an intel graphics card.
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Jan 28, 2010
I was wondering does anyone here know a good SQL management tool for ubuntu? I just want something with a nice GUI that doesn't require much hassle to add remove or even migrate databases.
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May 15, 2010
I have a laptop with 10.04 installed. When it is plugged in with AC Power, the screen fades black after a few minutes and locks up after about 10 minutes (shows a dialog for passwd when back).This gets really annoying when listening a movie or just reading text.System->Preferences->Power Management is set to "never" for everything.gconf-editor->apps->gnome-power-management is set to "0" for everything finishing with *_ac.
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Jun 7, 2010
I usually have many windows open when I use Ubuntu, and I find it tedious to manage them with the mouse. Is it possible to configure the Windows key so I can call specific, open windows to the screen? Suppose I have Nautilus and a terminal open for example, and suppose Nautilus is "first" (that is: to the far left) on the window bar in the bottom of the screen, and that the terminal is to the right of it. Can I then configure the Windows key so that if I press [WINDOW]+[1], I call the first window to the front (Nautilus), and if I press [WINDOW]+[2] I call the terminal window to the front? It would be very neat if I could do this somehow or in a another intuitive way.
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Aug 20, 2010
Is there a decent hard disk management apt . you see when i started using ubuntu i specified 2 gigs for ext filesystem drive because at that time windows was my basic OS . but now ubuntu became almost my only OS , so i wanna cut out like 20 gigs of the ntfs windows drive and add them to ubuntu's filesystem without removing or formating neither OS's or drives is there a software that can do that ?
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Sep 22, 2010
I am wanting to completely disable Power Management, can I do it through the GUI? I am a former OpenSuSE user & am use to YaST. So it is a little hard finding ways to edit some settings.
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Oct 12, 2010
I just did a fresh installation of Kubuntu 10.10 on a laptop last night, which has a 1.6GHz Intel Core Duo CPU.
I was very disappointed to find that there appears to be no way to configure CPU frequency scaling in the System Settings. There were options for this in 10.04.
I prefer to have the CPU running at maximum speed when running on A/C. In Maverick, however, I have had to resort to installing cpufreq-utils, and setting the CPU cores to 'performance' from the command line.
I like this laptop a lot, but even many simple games run sluggishly if the CPU cores are not set to run at max GHz. (As a matter of fact, this machine is much more sluggish even with CPU cores running at maximum in 10.10 than was the case in 10.04.)
I wonder why such an important option would have been removed from the power management settings?
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Dec 25, 2010
when i get the Graphics device driver on, then the power management not work. it can not change the CPU frequencies, and it can not change the LCD backlight and save the change. I try a lot, install laptop-mode-tools,and change thd setting, it still not work...
ubuntu 10.04.1
linux 2.6.32-27-generic
i5 460m CPU
ATI HD5470
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Feb 10, 2011
I bought a Ubuntu server with Parallels Plesk Panel 10 Domains. I'm looking for online website company which does server management. I have seen many
but many sites doesn't offer service as we are using Plesk as our control panel.
Please list down the sites which offer Ubuntu Server Maintainable Services.
Its very urgent. If you know any good company sites. Please let me know.
Please don't give me Indian Company sites as I'm looking for Companies
from Netherlands, USA, Germany, Brazil, Russia, Korea, China, etc.
Trusted companies and have started their company with atleast 3 year old company.
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May 30, 2011
Ok, I am running a file server that can be accessed throughout the house. I was able to successfully wake from suspend and it works beautifully. Now what I need the computer to do is go to sleep after lets say 30 minutes of inactivity so that I never have to touch the computer and it will use minimal power until I need it.
Anyhow, I tried to set the settings in Power management and the only thing that happens is the display turns off. the suspend on the desktop works fine, I can type in sudo pm-suspend and that works fine. but the computer just wont go to suspend automatically by way of the power manager.
I have tried changing the /etc/pm/config.d/00sleep_module to say SLEEP_MODULE="uswsusp", but that only made the computer go into some crazy linux mode that I had to reboot from. I had to change SLEEP_MODULE="kernel" (actually, I left it blank as it is the default).
I also turned off my screensaver so there wouldn't be any confusion from that.
I also ran cat /var/log/pm-powersave.log and I got a long list with the following being one of the main texts that kept repeating. "/usr/lib/pm-utils/power.d/sched-powersave false:**sched policy powersave OFF"
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Jun 24, 2011
I run a few programs that are very resource intensive, and although my computer has 4 cores, it keeps "freezing": it still works, I can see that my downloads keep on going, it's just too slow to show me a terminal screen so that I can kill whatever program got out of line.
It may be a bit complicated, but I suppose that there should be a way to do it: how can I keep some "cpu usage" from being used? I don't know, maybe reserve a core for management? Or throw the problematic programs in a "box" of limited processing power?
I'm sorry if this is a really dumb question, I'm a bit of a noob, but that would help me a lot. Of course, if someone has a better suggestion for my problem, I'd appreciate it very much.
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Jan 3, 2010
i would like to know if there is anything like this out there or in development and if not i think there should be. i feel that one of the areas that ubuntu still lacks majorly is when it comes to handling multi display.most people these days are using notebooks and are moving around a lot, and if your like me working as a software dev you need to be able to work from home running a different external display next to your internal, then when you get to work you need to maybe run two external displays or maybe a totally different display next to your internal, sometimes you'll need to connect to a projector in a meeting and do a demo.
At the moment, there is no easy way to do this unless you have a half an hour everytime to configure your displays manually,which goes without saying that its not quite what anybody is looking for.i'm looking for something that works similar to OSX's display manager.where you plug in a screen and poof, its there. and then mayb you can configure what your system should do when that specific monitor is plugged in and it will remember that configuration. so for instance you have a internal 15" with a res of 1440x960 then you want to plug in your 1080p 24", so boom it picks it up but its not configured yet.so it jus mirrors by default, then you decide ok, when this screen is pluggd in, i want it to extend my desktop onto it, and make it the primary monitor. ok cool so its set,so now when you plug it out, your system detects that your display setup has changed, then does a recheck of your active displays, and sets up the appropriate configuration, in this case only the internal is available so it will just go back to the internal, setting it back as the primary and moving all the windows that was on the external back to the internal.i think this would be a invaluable feature for a mobile professional.
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Jan 29, 2010
In a small network (with <5 PCs) what is the best way to manage users and groups? When I create a new user, Ubuntu automatically assigned a UID unless I specify otherwise. If I were to mount shared drives between PCs (or between a client machine and a server) I'm wondering how it handles different UIDs/GIDs associated with files (usernames almost always match across system but UIDs/GIDs do not)? Or is the best solution to just assign matching UID and GID on every machine when they are created? Or is this just magically handled via the matching usernames? I know there are heavier options but this has come up a number of times in small setups 2-5 machines at most.
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Mar 7, 2010
Does anyone know of a real estate rental management software for ubuntu? Something similar to a Quicken Property Management software...
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