How to limit maximum number of TCP connections
by Jatin K
Dear All
I'm on FC 15 which is acting as a router for Cable Internet connection
for 145 PC on the LAN, which works fine... But there is one question in
my mind, How do I limit the maximum numbers of concurrent connections to
router. i.e. if I want to allow only 90 concurrent connection to the
router at the given time only 90 PCs can pass through the router or
connect to the Internet other PCs/users have to wait until the connected
PCs session is over.
is there any solution/tweak available ???
--
°v°
/(_)\
^ ^ Jatin Khatri
RHCSA,RHCE,CCNA
Registerd Linux user No #501175
www.linuxcounter.net
No M$
11 years, 11 months
transaction error updating python-qpid
by Robert G. (Doc) Savage
Ran into a transaction error trying to update python-qpid to 0.16-1 on
my F17 laptop yesterday:
# yum -y update --skip-broken
Here are the qpid packages I have installed:
$ rpm -qa | grep qpid | sort
python-qpid-0.14-1.fc17.noarch
python-qpid-qmf-0.14-1.fc17.2.x86_64
qpid-cpp-client-0.14-1.fc17.2.x86_64
qpid-cpp-server-0.14-1.fc17.2.x86_64
qpid-qmf-0.14-1.fc17.2.x86_64
See the last line below for the transaction error. Anyone have any
suggestions how to work around this one?
--Doc Savage
Fairview Heights, IL
================================================================================================
Package Arch Version Repository Size
================================================================================================
Updating:
python-qpid noarch 0.16-1.fc17 updates 397 k
Skipped (dependency problems):
boost-filesystem i686 1.48.0-11.fc17 fedora 72 k
boost-program-options i686 1.48.0-11.fc17 fedora 125 k
boost-system i686 1.48.0-11.fc17 fedora 30 k
python-qpid-qmf x86_64 0.16-1.fc17.2 updates 369 k
qpid-cpp-client i686 0.16-1.fc17.2 updates 1.0 M
qpid-cpp-client x86_64 0.16-1.fc17.2 updates 984 k
qpid-cpp-client-devel x86_64 0.16-1.fc17.2 updates 386 k
qpid-cpp-server i686 0.14-1.fc17.2 fedora 1.0 M
qpid-qmf x86_64 0.16-1.fc17.2 updates 429 k
Transaction Summary
================================================================================================
Upgrade 1 Package
Skipped (dependency problems) 9 Packages
Total size: 397 k
Downloading Packages:
Running Transaction Check
Running Transaction Test
Transaction Check Error:
file /usr/bin/qpid-python-test from install of python-qpid-0.16-1.fc17.noarch conflicts with file from package python-qpid-qmf-0.14-1.fc17.2.x86_64
11 years, 11 months
alias ip make eth lose its default gw
by Pablo Pérez Fernández
hi,
we have eth1; in the beginning it was proposed to create from eth1,
eth1.2500 and eth1.240. It did not worked cause vlan 1.2500 was not
tagged in the switch.
so they decided to leave eth1 like a physical interface with eth1.2500
config (removel vlan tag) and create eth1.240
but it did not work because when eth1.240 is up , the eth1 lose it´s
gateway using eth1.240 gateway. manually we get to assing its gateway
but its a temporal solution , cause if service network or server is
restarted it turns back. we need a permanent solution.
i attach how is the config done:
Code:
FH0089:root:/etc/sysconfig# cat network
NETWORKING=yes
NETWORKING_IPV6=no
IPV6INIT=none
HOSTNAME=FH0089
NOZEROCONF=true
GATEWAY=10.130.0.4
FH0089:root:/etc/sysconfig/network-scripts# cat ifcfg-eth1
# Broadcom Corporation NetXtreme BCM5715S Gigabit Ethernet
DEVICE=eth1
BOOTPROTO=none
HWADDR=18:A9:05:xx:xx:12
ONBOOT=yes
GATEWAY=10.130.0.4
IPADDR=10.130.0.12
NETMASK=255.255.255.192
TYPE=Ethernet
IPV6INIT=no
FHge0082:root:/etc/sysconfig/network-scripts# cat ifcfg-eth1.240
# Broadcom Corporation NetXtreme BCM5715S Gigabit Ethernet
DEVICE=eth1.240
BOOTPROTO=none
HWADDR=18:A9:xx:xx:49:12
ONBOOT=yes
GATEWAY=10.224.248.1
IPADDR=10.224.248.103
NETMASK=255.255.255.0
TYPE=Ethernet
IPV6INIT=no
VLAN=yes
FH0089:root:/etc/sysconfig/network-scripts# cat route-eth1.240
ADDRESS0=10.53.129.0
GATEWAY0=10.224.248.1
NETMASK0=255.255.255.240
ADDRESS1=10.53.129.192
GATEWAY1=10.224.248.1
NETMASK1=255.255.255.240
FH0089:root:/etc/sysconfig/network-scripts# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.53.129.192 10.224.248.1 255.255.255.240 UG 0 0 0 eth1.240
10.53.129.0 10.224.248.1 255.255.255.240 UG 0 0 0 eth1.240
10.130.0.0 0.0.0.0 255.255.255.192 U 0 0 0 eth1
10.129.15.0 0.0.0.0 255.255.255.128 U 0 0
0 eth0.1020
10.224.248.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1.240
10.129.0.0 10.129.15.3 255.255.0.0 UG 0 0
0 eth0.1020
0.0.0.0 10.130.0.4 0.0.0.0 UG 0 0 0 eth1
last line you see above is the one which is not included in route
tables by default, even if GATEWAY is configured in
/etc/sysconfig/network
we looked for a file which could affect including a route by default
but we didnt find it.
i rebooted the server, and i´ve been thinking about using this command
/sbin/ip route flush table all
but i think if i already rebooted after erase all eth1.240 (route too)
files it would be useless
i would like anybody help me cause i´m in a hurry
11 years, 11 months
Restoring grub after Windows install
by Christopher Svanefalk
Dear all,
I will have to install Windows on my desktop, which is currently running
Fedora 17. The problem with this is that Windows overwrites the MBR (there
is no way of opting out of this afaik), and hence my grub as well. How can
I reinstall grub after I install windows, so that I again can get a boot
screen where I can select either operating system? Thanks in advance!
--
Best,
Christopher Svanefalk
11 years, 11 months
RE: Restoring grub after Windows install
by Maximiliano Marín Bustos
Hello:
How did you run grub2-install?
It is very important to know the error message.
Regards.
Max.
Enviado desde mi PC con Windows 8
De: Christopher Svanefalk
Enviado el: jueves, 28 de junio de 2012 8:14:01
Para: Community support for Fedora users
Asunto: Re: Restoring grub after Windows install
So last day I got around to installing Vista. The last 12 hours have convinced me that this is arguably the worst operating system ever made, and booting back into F17 was bliss. I have not tried Windows 7 very much (only really use Windows at all if Wine will not give me a smooth solution).
Reinstalling Grub with the F17 seems to be broken by the way...grub2-install throws an error. I did not record it unfortunately, but I am assuming it can be fixed. If nothing else, it is not problematic to use an earlier version for recovery unless you need Grub2.
On Thu, Jun 28, 2012 at 2:00 AM, Roger <arelem(a)bigpond.com> wrote:
Deceptively simple and elegant solution, apply the DWPGA rule.
Delete Windows, problem goes away.
Solved problems on our computers.
R
Am 28.06.2012 01:30, schrieb Dave Ihnat:
On Wed, Jun 27, 2012 at 11:16:28PM +0200, Christopher Svanefalk wrote:
The license does not permit usage in a virtual machine, unfortunately.
What license? AFAIK, none of the Windows licenses forbid running in a VM.
Most versions of Windows don't make any provision for it.
this is simply wrong
http://www.microsoft.com/licensing/about-licensing/virtualization.aspx
Licensing the Windows Desktop Operating System
For Windows operating system software licensed through retail (FPP) or preinstalled on a PC (OEM), Windows use
rights are outlined in the Software License Terms that accompany the software. These license terms provide use
rights to run Windows locally on the licensed device in a virtual operating system environment (OSE); however they
do not provide use rights for accessing Windows running remotely in a virtual OSE from the licensed device, and are
limited in other ways when compared to virtualization use rights provided with Windows Software Assurance, Windows
Intune, and Windows VDA licenses acquired through Microsoft Volume Licensing. For example, neither FPP nor OEM
licenses permit remote access to a Windows virtual machine (VM) running in a datacenter. For this, a license
obtained through Microsoft Volume Licensing is required.
--
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Have a question? Ask away: http://ask.fedoraproject.org
--
Best,
Christopher Svanefalk
11 years, 11 months
Request for recommendations for dynamic dns daemon
by Max Pyziur
Greetings,
I'm trying to configure dynamic dns on my test/backup machine (CentOS
5.8). I'm using Zoneedit DNS.
I've been trying to setup ddclient; the error message that I get is:
Jun 26 15:20:09 xxxxxx ddclient[28467]: WARNING: file
/var/cache/ddclient/ddclient.cache, line 3: Invalid Value for keyword 'ip'
= ''
Or should I use ez-ipupdate?
Thank you.
Max Pyziur
pyz(a)brama.com
11 years, 11 months
Software Update....
by EGO-II.1
Have a bit of an issue. Not sure how serious it is, but I'm hoping
someone can point me in the right direction. Here's the skinny:
I "Check For Updates" and it shows me that there's 1 update to install.
The name of the update is called: "Collada 3D Import & Export Libraries"
openCOLLADA-0-12.svn871.fc16(32-bit)
The error message I get after it fails is:
1:blender-2.59-5.fc16.i686 requires libMathMLSolver.so.svn838
1:blender-2.59-5.fc16.i686 requires libOpenCOLLADAStreamWriter.so.svn838
1:blender-2.59-5.fc16.i686 requires libGeneratedSaxParser.so.svn838
1:blender-2.59-5.fc16.i686 requires
libOpenCOLLADASaxFrameworkLoader.so.svn838
1:blender-2.59-5.fc16.i686 requires libOpenCOLLADABaseUtils.so.svn838
1:blender-2.59-5.fc16.i686 requires libOpenCOLLADAFramework.so.svn838 :
Success - empty transaction
My System:
Gateway T-6321 Laptop
3GB Max Total Memory
Running Gnome 3.2.1
Fedora 16 - Kernel: 3.4.2-1.fc16.i686 #1 SMP
Anyone have any ideas? Not sure if I have to install the listed items
individually, or if they all come in this same package that won't
update.....awaiting anyone input, and thanx in advance!
EGO II
11 years, 11 months
F16 rocks. Thanks.
by linux guy
I've been using F16 since before Christmas and I must say that it has
become a very polished and powerful release.
Kudos to those who have worked so hard on it. We don't thank you
people enough. Your work is greatly appreciated.
11 years, 11 months
Installing Fedora on a USB connected Harddrive.
by Mickey
Fedora 17 new install on a USB connected hard drive.
I have Dell Dimension 2400 with WindowsXP installed, But !! I can't get
this Dell to Boot off a CDROM.
by even setting up BIOS to boot off CDROM.
Yes the CD is a Bootable CD. If you read the CD from within WindowsXP
it will read the the files on the CD.
I was thinking about taking hard drive out the Dell and USB connect the
hard drive to another Computer and do a resize of WindowsXP and install
Fedora on hard drive and setting up the hard drive as a Boot drive ,
then put it back into the Dell 2400.
The Dell hard drive is a IDE drive and My computer is SATA so I can't
put the Dell hard drive in my PC.
Will it Work ????
11 years, 11 months
