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ocpaul20

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About ocpaul20

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  1. I believe the way Google and Yahoo do it when you ask for an ID for their analytics is to make the ID specific to the domain they will be receiving the call from. So it is all built in to the ID and from there Google know where it should come from. So, maybe make your K= id a little longer and more meaningful to you. There maybe another or better way of course. Have you printed out all the SERVER variables to see if there is anything else useful available?
  2. ideally, I would like to write some php code to go through the image and remove this 'noise' and leave the underlying image intact, but I am not sure whether it is possible to mask the 'noise' out or even isolate the 'noise' at all? As I have shown in the link above, there are areas of black under this noise so it should be possible to find pure black (0,0,0) with this overlay on top of it so it can be isolated. Is this the way to proceed do you think?
  3. It is not the crosses that I want to remove but the 'noise'. Maybe I can show you a screen shot of what I am talking about in this image the blacks of the craters are overlaid with spots of 'noise' as you call it, but I do not think it is noise. These Apollo images were taken by cameras with roll film in them although they have been digitised since then for internet display.
  4. Thanks for your reply. Although it could be a watermark I suppose, in this particular case it isn't. :-) I will give a couple of examples of the kind of overlay I want to remove. The first is an Apollo 16 Moon image AS16-M-0491 Link here (you will need to download the print version and zoom right in to see the overlay) The second is a Mars rover image which shows a plain background with an overlay. I could be wrong, but I dont think this is due to JPG compression artifacts but seems to be this overlay on top of the image.
  5. I have come across this greyscale image which has like an overlay on it. This overlay is like looking through a bathroom window (through the kind of glass you cannot see clearly, yet it lets light through). This overlay is not enough to destroy the picture at normal magnification, yet at high magnification examining the image in detail, you can see it is there and it stops the fine detail from being inspected. What I am wondering is if it is possible to remove the 'overlay'? Maybe if I can isolate a piece of the overlay, can I use it as a mask to remove the rest of it? Can I do a simple subtraction on the original image? I suspect not, which might be the reason this overlay was introduced in the first place, although it is not a restricted image. I have tried blurring and then sharpening again but the the result is fine detail is merged into the overlay. Does anyone have any ideas please?
  6. Post No. 8 above shows the LAN IP setup screen on the left. This is the only place I can alter the IP address of the router and strangely, it does not show the current IP address of 192.168.1.7 in there but it will allow me to change it if necessary by filling in a new value. I do not think I can delete the IP address and have no IP address.Jazzman1 - I dont know how to 'delete the IP address from the router completely so I am stuck with one I put in there before or one I change it to. The DHCP I have switched off.The attempt below (nothing in the WAN ethernet socket and all in LAN sockets) is the latest and shows after booting that for some reason I cannot get past the ISP router. This is possibly because the router has the account and password in it, and since it is out of the loop (as a router) now does not activate the keep-alive or password aspect. Not sure if the chinese ISP needs every stage to have account/password information but when I have this in the router previously, it seems to work. I have not removed any of the password or other information from the router, just un-clicked DHCP and not connected up the WAN ethernet socket as suggested,# ping 8.8.8.8 PING 8.8.8.8 (8.8.8. 56(84) bytes of data. ^C --- 8.8.8.8 ping statistics --- 20 packets transmitted, 0 received, 100% packet loss, time 19150ms # arp Address HWtype HWaddress Flags Mask Iface 192.168.1.1 ether e8:08:8b:3e:d7:43 C eth1 # route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 * 255.255.255.0 U 0 0 0 eth1 default 192.168.1.1 0.0.0.0 UG 0 0 0 eth1 # ifconfig eth1 Link encap:Ethernet HWaddr fc:75:16:e1:b8:13 inet addr:192.168.1.25 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::fe75:16ff:fee1:b813/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:352 errors:0 dropped:0 overruns:0 frame:0 TX packets:375 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:27454 (26.8 KiB) TX bytes:37432 (36.5 KiB) Interrupt:20 Base address:0xde00 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:66 errors:0 dropped:0 overruns:0 frame:0 TX packets:66 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:28913 (28.2 KiB) TX bytes:28913 (28.2 KiB) # cat /etc/resolv.conf nameserver 192.168.1.1 nameserver 192.168.1.1 # ping 192.168.1.1 PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. 64 bytes from 192.168.1.1: icmp_req=1 ttl=64 time=0.437 ms 64 bytes from 192.168.1.1: icmp_req=2 ttl=64 time=0.352 ms 64 bytes from 192.168.1.1: icmp_req=3 ttl=64 time=0.305 ms ^C --- 192.168.1.1 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 1999ms rtt min/avg/max/mdev = 0.305/0.364/0.437/0.058 ms # ping 192.168.1.7 PING 192.168.1.7 (192.168.1.7) 56(84) bytes of data. 64 bytes from 192.168.1.7: icmp_req=1 ttl=250 time=3.95 ms 64 bytes from 192.168.1.7: icmp_req=2 ttl=250 time=0.237 ms 64 bytes from 192.168.1.7: icmp_req=3 ttl=250 time=0.237 ms 64 bytes from 192.168.1.7: icmp_req=4 ttl=250 time=0.237 ms ^C --- 192.168.1.7 ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 2999ms rtt min/avg/max/mdev = 0.237/1.166/3.954/1.609 ms # dhclient -v -r Internet Systems Consortium DHCP Client 4.1.1-P1 Copyright 2004-2010 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Listening on LPF/eth1/fc:75:16:e1:b8:13 Sending on LPF/eth1/fc:75:16:e1:b8:13 Sending on Socket/fallback DHCPRELEASE on eth1 to 192.168.1.1 port 67 # dhclient -v Internet Systems Consortium DHCP Client 4.1.1-P1 Copyright 2004-2010 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ No broadcast interfaces found - exiting. #The "attached devices" router menu option sees my PC and the ISP router. The IP address of the PC appears to have been allocated by the wired router (I cannot login to the ISP router as I dont know the password to find out the DHCP first address to allocate). When I deallocate my IP address and try to get another I cannot. The DNS name servers point to the ISP router which is not good enough to connect to the internet. I must be doing something wrong somewhere, so I will play about with a cascading routers configuration. If that does not work then I will just have to live with it the way it is. At least internet connection works for both parts of the LAN just not able to contact computers on the other sections of the LAN attached to the ISP router.I am grateful for the time and effort you have all given this thread but I think that, since it is a home LAN and not a business critical problem, I think I will just live with the restriction. I can always do some copying from my PC onto a memory stick and then attach a laptop to the wireless LAN section if I need to copy stuff out there. If I find a way, then I will update this thread so that others can take advantage of the group learning.
  7. I see, so I need both these to be switches/bridges and not routers.Now that I have found out how to post images to the forum I can post a diagram which will make the whole problem easier to understand. The cabling from the ISP router goes under the floor and out at an ethernet wall socket in different ends of the same room.Both these routers have 5 ethernet ports at the back, the one from the ISP router usually goes in socket next to the router power socket and the ones to the devices go into any of the 4 others.kicken I will try to plug the cable arriving at this router from the ISP router into onee of the 4 LAN plugs and see if my PC will accept an IP address from the ISP DHCP server or if I can "see" the other wireless router side of the network.As others have already said, I do not see anywhere on the Netgear wired router menu options where I can make it into a bridge rather that a router, so I am hoping Kicken's suggestion above will sort it. I will let you know.Thanks to all for the continuing help.
  8. I appreciate you trying to help me. I have tried to start the Debian dhclient manually and it cannot find a server which suggests that the routing is indeed 'stuck' at the wired router 192.168.1.7 I dont know where to find the proper mode in the routers menu. I assume it would be under the LAN setup so I have included screenshots from this and even the WAN setup option too. Not sure if this screenshot is uploading correctly but I have posted a link to an image file on another site in case the upload function does not work.
  9. Still no joy as I have removed the 'tick' from "Use router as DHCP server" (see screenshot hopefully attached) and now it does not connect to the internet at all - hence the manual connecting below. I am trying to get the section from my PC to the isp router to work properly before I tackle the other parts. Is there anything else I can try please? Not sure how to mark code in bbcode # cat /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface allow-hotplug eth1 iface eth1 inet dhcp # pre-up /etc/init.d/firewall start ==================================== # ifdown eth1 Internet Systems Consortium DHCP Client 4.1.1-P1 Copyright 2004-2010 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Listening on LPF/eth1/fc:75:16:e1:b8:13 Sending on LPF/eth1/fc:75:16:e1:b8:13 Sending on Socket/fallback DHCPRELEASE on eth1 to 192.168.1.7 port 67 send_packet: Network is unreachable send_packet: please consult README file regarding broadcast address. # ifconfig eth1 192.168.1.24 netmask 255.255.255.0 up # route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 * 255.255.255.0 U 0 0 0 eth1 # route add default gw 192.168.1.7 # iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination # arp -a ? (192.168.1.7) at 00:14:6c:0b:1d:da [ether] on eth1 (from my pc 192.168.1.24) # ping 192.168.1.1 PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. From 192.168.1.24 icmp_seq=1 Destination Host Unreachable From 192.168.1.24 icmp_seq=2 Destination Host Unreachable From 192.168.1.24 icmp_seq=3 Destination Host Unreachable ^C --- 192.168.1.1 ping statistics --- 5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4022ms pipe 3
  10. Ok, thats helpful, thanks. I will make sure this is done and post back. Slight problem is that the isp router and wireless routers are both in chinese so I need to get help to do that, but should be possible. The wired one is a (fairly old English) Netgear RP614 v3, the wireless one is a TP-LINK TL-WR840N. I have used them both previously as single routers attached to an isp router in another apartment but this is the first time I have tried two 'arms' one going to a wireless router and one goimng to a wired router. I am getting the IP address from the nearest router rather than the isp router so I will turn off DHCP and just let the isp router allocate that and see if it all sorts itself out after I have done that. I was thinking all along that I needed to add some items to a routing table somewhere in Debian but of course the physical network should work independent of the OS which is in each end PC or tablet, so the answer must lie in the routers themselves. Previously I had not really considered this router solution. :-) Paul
  11. I have been ill so have not replied. There are two routers attached to the isp router just inside the appartment. The ping above was done from a laptop connected by an ethernet cable to the wireless router. It shows that computers connected to either the wired or the wireless router can only "see" the router on each "arm" of the isp router. I want to be able to access wireless pc or tablets from my pc connected to the wired router "arm" of the network and i want them to be able to connect to my pc too. What i want is to see for example 192.168.1.24 from 192.168.1.100 (laptop) routing through 192.168.1.2 (wireless router)then 192.168.1.1(isp router) then 192.168.1.7(wired router) then finally to 192.168.1.24(my pc)
  12. ocpaul20

    Best web hosts?

    yep. Why pay for something when you can do it on your own computer. While you are getting everything working, it is much more convenient there and when you have it how you want it, then is the time to look for hosting companies. I have been with hostgator for quite a few years and unless you are going to use a lot of their resources, the babycroc package is good. Most things there are unlimited so you dont have to worry about how many folks are visiting or how much of their resources you are using. But.. of course there are others out there which offer the same kind of deals. Hostgator have always been good at support and helpful and there are lots of others on the forums who have come up against the same problems as us who can help too.
  13. Routing issue: Cannot see a wireless router from a wired router on the same network. I have a very simple home network with a broadband connection from my ISP coming into the house with their 4-port modem/router (192.168.1.1) on it. From there I have 2 ethernet connections, one each to a wired router(192.168.1.7) and a wireless router(192.168.1.2) The wired router has one connection to my Debian Squeeze PC (usually 192.168.1.24) the wireless router has 2 or 3 connections to a PC and a tablet (usually something like 192.168.1.100 & 101... etc) The internet from my PC (192.168.1.24) is working fine through the wiired router, and the PC & tablet on the wireless router are working fine too. My problem is that I want to be able to 'see' the wireless router from my PC and I cannot connect to it or 'see' any of the connected devices. Maybe I am misunderstanding how this networking thing should work, but I think it should be possible to do this. Can anyone help me please? a) I have turned off iptables # iptables -F # iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy DROP) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination Chain logdrop (0 references) target prot opt source destination b) ifconfig -a eth1 Link encap:Ethernet HWaddr fc:75:16:e1:b8:13 inet addr:192.168.1.24 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::fe75:16ff:fee1:b813/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:9123 errors:0 dropped:0 overruns:0 frame:0 TX packets:9696 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1100294 (1.0 MiB) TX bytes:844749 (824.9 KiB) Interrupt:20 Base address:0xde00 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:2740 errors:0 dropped:0 overruns:0 frame:0 TX packets:2740 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:247076 (241.2 KiB) TX bytes:247076 (241.2 KiB) b) I have added routes(I think) to the other router from my PC # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.1 192.168.1.7 255.255.255.255 UGH 0 0 0 eth1 192.168.1.2 192.168.1.1 255.255.255.255 UGH 0 0 0 eth1 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 0.0.0.0 192.168.1.7 0.0.0.0 UG 0 0 0 eth1 # arp -an ? (192.168.1.7) at 00:14:6c:0b:1d:da [ether] on eth1 ========================================== from the other end, the wireless router when I connect a wired connection to a laptop I get the following similar picture (the broadband router) # ping 192.168.1.1 PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. From 192.168.1.107 icmp_seq=2 Destination Host Unreachable From 192.168.1.107 icmp_seq=3 Destination Host Unreachable From 192.168.1.107 icmp_seq=4 Destination Host Unreachable ^C --- 192.168.1.1 ping statistics --- 6 packets transmitted, 0 received, +3 errors, 100% packet loss, time 5009ms pipe 3 (the wireless router) # ping 192.168.1.2 PING 192.168.1.2 (192.168.1.2) 56(84) bytes of data. 64 bytes from 192.168.1.2: icmp_req=1 ttl=64 time=0.378 ms 64 bytes from 192.168.1.2: icmp_req=2 ttl=64 time=0.381 ms 64 bytes from 192.168.1.2: icmp_req=3 ttl=64 time=0.452 ms ^C --- 192.168.1.2 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 1998ms rtt min/avg/max/mdev = 0.378/0.403/0.452/0.041 ms # arp -an ? (192.168.1.1) at <incomplete> on eth0 ? (192.168.1.2) at b0:48:7a:67:ea:7a [ether] on eth0 # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0 0.0.0.0 192.168.1.2 0.0.0.0 UG 0 0 0 eth0 # ifconfig eth0 Link encap:Ethernet HWaddr 00:16:d3:bb:64:09 inet addr:192.168.1.107 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::216:d3ff:febb:6409/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:5858 errors:0 dropped:0 overruns:0 frame:0 TX packets:5491 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:7093094 (6.7 MiB) TX bytes:666534 (650.9 KiB) Interrupt:17 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:121 errors:0 dropped:0 overruns:0 frame:0 TX packets:121 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:10032 (9.7 KiB) TX bytes:10032 (9.7 KiB)
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