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• How to direct Ubuntu to use USB connection for Internet

  - by t3ch

  Hi folks, I posted yesterday regarding how to configure easytether on Ubuntu. I followed the steps and everything looks good from the terminal. But I am not able to connect to the Internet. Currently I am connected to a Wireless network, I tried disconnecting to it, in hope to connect to Internet using my phone but with no help. How do I make my notebook use my cell phone's connection. I have attached the snapshot from the terminal.

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• Create personal wireless network on laptop

  - by TechGuru

  I have a WiFi Network, now I have connected my laptop to the WiFi Network. And it is working fine I'm able to access the internet via WiFi. But I want to create other network on my laptop so that I can connect my mobile phone to the my laptop network. Means, my laptop is already connected to WiFi network (xyz). Now I want to create one wireless network on my laptop. So that I can connect my mobile phone to laptop network and access the internet on mobile. But I don't want to lost my `laptop and WiFi connection that is already connected. I tried to create the wireless network on my laptop, but when I created my personal wireless network I lost my wifi-laptop connection. I don't know it is possible or not.

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• How should bots be recognised in a game?

  - by Bane

  I'm interested in how bots are usually written. Here's my situation: I plan to make an online 2D mecha game in HTML5, and the server-side will be done with node. It is intended to be multiplayer, but I also want to make bots in case there aren't enough players. How does my game logic see them, as players or as bots? Is there a standard by which I should make them? Also, any general tips and hints will be OK.

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• How to install Netgear N-300 UAB adapter WNA3100 on Ubuntu 12.04

  - by JacobusR

  After a fresh install of Ubuntu 12.04, the first thing I'm trying to do, is to setup my wireless adapter. I can see it using lsusb: beer@beer-linux:~$ lsusb ... Bus 002 Device 006: ID 0846:9020 NetGear, Inc. WNA3100(v1) Wireless-N 300 [Broadcom BCM43231] ... I have found a lot of dated instructions on the net and just wanted to know what the right way is to set it up on 12.04. I don't want to mess up a brand new install by tweaking things that don't need tweaking. According to most posts, you have to install the Windows drivers using the ndiswrapper package. Is this still the right way to go? If so, it would be great if someone could write down the steps to do this under 12.04

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• How to use PAM to restrict HTTP access for some users?

  - by MaxB

  I've read that PAM can be used to restrict HTTP access for some users, but I can't figure out how to do it in Ubuntu 12.04. The /etc/security/time.conf man page contains this example: All users except for root are denied access to console-login at all times: login ; tty* & !ttyp* ; !root ; !Al0000-2400 For this to work, /etc/pam.d/login needs to have a line account requisite pam_time.so This example works, and I tried to adapt it to limit HTTP access from the console. I added http ; tty* & !ttyp* ; !root ; !Al0000-2400 to /etc/security/time.conf, and created /etc/pam.d/http with account requisite pam_time.so This doesn't work. I can still use wget as non-root from the console.

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• Network does not connect at boot

  - by Daniel Svozil

  I am on Ubuntu 12.04, fresh install. When I boot a machine, the boot screen says Connecting to network, later it is changed to something like Did not connect, trying for another 60s. However, the network does not connect at the boot. But I can then log in without a network connection, and if I start a network manager service manually from the terminal (sudo service network-manager start), the network is connected without any problems. Please, does anybody know where the problem could be? I don't want to wait more than two minutes every computer restart :-). I am new to Ubuntu (and also to upstart) so I am a bit lost. There is no /var/log/messages, in dmesg I found this record, though it may not be related: init: network-interface (eth1) pre-start process (492) terminated with status 1 init: network-interface (eth1) post-stop process (548) terminated with status 1 Thanks Daniel

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• How do I find out which process is eating up my bandwidth?

  - by Bruce Connor

  I think I'm being the victim of a bug here. Sometimes while I'm working (I still don't know why), my network traffic goes up to 200 KB/s and stays that way, even tough I'm not doing anything internet-related. This sometimes happens to me with the CPU usage. When it does, I just run a top command to find out which process is responsible and then kill it. Problem is: I have no way of knowing which process is responsible for my high network usage. Both the resource monitor and the top command only tell me my total network usage, neither of them tells me process specific network info. Is there another command I can use to find out which process is getting out of hand? I've already tried killing all the obvious ones (firefox, update-manager, pidgin, etc) with no luck. So far, restarting the machine is the only way I found of getting rid of the issue. EDIT: (just to be clear) I've found questions here about monitoring total bandwidth usage, but, as I mentioned, that's not what I need. UPDATE: The command iftop gives results that disagree entirely with the information reported by System Monitor. While the latter claims there's high network traffic, the former claims there's barely 1 KB/s. Thanks

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• Best way to handle realtime melee AI in authoritative network environment

  - by PrimeDerektive

  So i've been working on a multiplayer game for a bit; it's a co-op action RPG with real-time combat. If you've seen or played TERA, I'd say it's comparable to that, but not an MMO, heh. I'm currently handling the AI units authoritatively, the server calculates their pathing, movement, and pursue/attack logic, and syncs the movement to the clients 15x per second, and the state changes when they happen. When I emulate 200ms ping, though, the client can perceive being out of range to an AI's attack, but still take the hit, because on the server he hadn't moved that far yet. This also plays hell with my real-time blocking. I don't really want to allow the clients to be allowed to say "that was out of range" or "I blocked that", but I'm not really sure how else to handle it.

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• How to share a folder without any issues when we have >20 machines in LAN ?

  - by Gaurang Agrawal

  Till date I have been sharing files through workgroup , using samba but I presume that this is not the right way as I had been facing so many issues with one or another computer . Machines are having same workgroup but even then problems are there . What will be the best way to handle this kind of issue ? PS : I am helping a school migrate from Windows to Ubuntu 12.04 LTS ( Teachers collaborate by working on different files saved in a shared folder in one of the computer )

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• /etc/network/interfaces doesn't always take affect

  - by user1221444

  For some reason my eth0 does not have internet on reboot sometimes. I am using a static ip. I can ping my gateway, but I am unable to ping dns servers, or anything out of my network. It seems that when my internet does work(Usually but just restarting enough times), my /etc/resolv.conf has a nameserver in it. It is empty when I have no internet access. I believe something is overwriting my interfaces settings sometimes on boot. Any help would be appreciated. I am running Ubuntu Server 12.04 64bit /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 173.213.192.234 netmask 255.255.255.248 network 173.213.192.232 broadcast 173.213.192.239 gateway 173.213.192.233 dns-nameservers 8.8.8.8 auto eth1 iface eth1 inet static address 10.0.0.106 netmask 255.255.255.0 gateway 10.0.0.1

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• Use hotplug and turn on/off PCI device for replacing NIC

  - by Ryota Hashimoto

  How can I turn off the PCI slots and change the device (especially NIC) without shutting the server down? I found a similar question (How do I turn off PCI devices?) but there are no /sys/bus/pci/slot and no files in /sys/bus/pci/slots. I'm using 12.04 LTS. $ uname -a Linux d1-c1-r1-p1 3.2.0-38-generic #61-Ubuntu SMP Tue Feb 19 12:18:21 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux $ lspci | grep Eth 04:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01) 04:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01) 09:00.0 Ethernet controller: Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection (rev 01) 09:00.1 Ethernet controller: Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection (rev 01) $ ls /sys/bus/pci/ devices/ drivers_probe slots/ drivers/ rescan uevent drivers_autoprobe resource_alignment $ ls /sys/bus/pci/devices/0000\:04\:00.0/ broken_parity_status driver modalias rescan subsystem class enable msi_bus reset subsystem_device config firmware_node net resource subsystem_vendor consistent_dma_mask_bits irq numa_node resource0 uevent device local_cpulist power resource2 vendor dma_mask_bits local_cpus remove resource3

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• Any good web frameworks for asynchronous multiplayer games?

  - by Steven Stadnicki

  I'm trying to craft a site for web-based (original) board games, and my client (currently written in Actionscript, but that's highly fungible) works fine - I can play solitaire games in the client - but it has nothing to connect to. What I'm looking for is a server framework for handling accounts/authentication and game tracking: something that would let players log in, show them a list of their current games, let them invite friends to new games, let them make moves in the games they have open, etc. I'm flexible on language; obviously I'm going to have to write a lot of server code to handle the actual game logic, but that should be straightforward enough. I'm more concerned with how to handle the user (and game) DBs, though suggestions for a good server framework for communicating with the DBs (and serving up, most likely, JSON for client communications) are also welcome. Right now my leaning is towards Ruby (probably with Rails) but as far as I can determine it would be a pretty good chunk of effort to set up the necessary databases, so having something even higher-level would be really useful to me.

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• 1000baseT/Full Supported and Advertised but not working!

  - by user11973

  Hello, i'm using a AT3IONT-I motherboard with integrated card. If I ethtool it to 1000 full duplex it wont work! Here is sudo ethtool eth0: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supports auto-negotiation: Yes Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised pause frame use: Symmetric Receive-only Advertised auto-negotiation: Yes Speed: 100Mb/s Duplex: Full Port: Twisted Pair PHYAD: 0 Transceiver: internal Auto-negotiation: on MDI-X: Unknown Supports Wake-on: pumbg Wake-on: g Current message level: 0x00000033 (51) Link detected: yes here is sudo lshw -C network: *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:04:00.0 logical name: eth0 version: 03 serial: bc:ae:c5:8b:7d:33 size: 100MB/s capacity: 1GB/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8168 driverversion=8.021.00-NAPI duplex=full ip=192.168.0.2 latency=0 link=yes multicast=yes port=twisted pair speed=100MB/s resources: irq:42 ioport:e800(size=256) memory:f8fff000-f8ffffff memory:f8ff8000-f8ffbfff memory:fbff0000-fbffffff And lspci -nn: 00:00.0 Host bridge [0600]: nVidia Corporation MCP79 Host Bridge [10de:0a82] (rev b1) 00:00.1 RAM memory [0500]: nVidia Corporation MCP79 Memory Controller [10de:0a88] (rev b1) 00:03.0 ISA bridge [0601]: nVidia Corporation MCP79 LPC Bridge [10de:0aad] (rev b3) 00:03.1 RAM memory [0500]: nVidia Corporation MCP79 Memory Controller [10de:0aa4] (rev b1) 00:03.2 SMBus [0c05]: nVidia Corporation MCP79 SMBus [10de:0aa2] (rev b1) 00:03.3 RAM memory [0500]: nVidia Corporation MCP79 Memory Controller [10de:0a89] (rev b1) 00:03.5 Co-processor [0b40]: nVidia Corporation MCP79 Co-processor [10de:0aa3] (rev b1) 00:04.0 USB Controller [0c03]: nVidia Corporation MCP79 OHCI USB 1.1 Controller [10de:0aa5] (rev b1) 00:04.1 USB Controller [0c03]: nVidia Corporation MCP79 EHCI USB 2.0 Controller [10de:0aa6] (rev b1) 00:06.0 USB Controller [0c03]: nVidia Corporation MCP79 OHCI USB 1.1 Controller [10de:0aa7] (rev b1) 00:06.1 USB Controller [0c03]: nVidia Corporation MCP79 EHCI USB 2.0 Controller [10de:0aa9] (rev b1) 00:08.0 Audio device [0403]: nVidia Corporation MCP79 High Definition Audio [10de:0ac0] (rev b1) 00:09.0 PCI bridge [0604]: nVidia Corporation MCP79 PCI Bridge [10de:0aab] (rev b1) 00:0b.0 RAID bus controller [0104]: nVidia Corporation MCP79 RAID Controller [10de:0abc] (rev b1) 00:0c.0 PCI bridge [0604]: nVidia Corporation MCP79 PCI Express Bridge [10de:0ac4] (rev b1) 00:10.0 PCI bridge [0604]: nVidia Corporation MCP79 PCI Express Bridge [10de:0aa0] (rev b1) 00:15.0 PCI bridge [0604]: nVidia Corporation MCP79 PCI Express Bridge [10de:0ac6] (rev b1) 03:00.0 VGA compatible controller [0300]: nVidia Corporation ION VGA [10de:087d] (rev b1) 04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 03) If i use Code: sudo ethtool -s eth0 speed 1000 duplex full autoneg off then in ethtool speed is Unknown and it doesn't work; if I set it via pre-up it wont work either... Please help!! Thanks!

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• Wifi networks will not show up!

  - by Kcahmadi

  I'm running Ubuntu 14.04 on an old '08 macbook. I've gone to system settingsSoftware & UpdatesAdditional Drivers and enabled the wireless driver. But when I click the wifi icon on the top toolbar no networks show up. When running lshw it clearly shows my wireless card under Network controller and it says the driver is installed. However, nm-tool only shows ethernet. And rfkill only shows bluetooth. What can I do?

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• Use two networks at the same time?

  - by Christopher

  I want to use Ubuntu 10.10 Server in a classroom, a computer lab whose bandwidth is provided by a local cable ISP. That's no problem, though the school network has an IP printer that I want to use. I cannot reach the printer through the cable Internet. But, I have two network cards. How is it possible to use both networks at once? eth0 (static 192.168.1.254) is plugged into a four-port router, 192.168.1.1. On the public side of the four-port router is Internet provided by the cable company. I also have the classroom workstations plugged into a switch. The switch is plugged into the four-port router. The whole classroom is wired into the cable Internet. The other NIC, eth1, could it be plugged into an Ethernet jack in the wall? It uses the school network, and I might receive by DHCP an IP address like 10.140.10.100, with the printer on maybe 10.120.50.10. I was thinking about installing the printer on the server so that it could be shared with the workstations. But how does this work? Can I just plug eth1 into the school network and access both LANs? Thanks for any insight

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• Connecting to VPN / proxy with different port number

  - by user779159

  I have an IP address, port, username, and password for one of those VPN / proxy services that allows you to use an IP address other than what your ISP gives you, but in the 'Edit Connections VPN' GUI I don't see where to enter a port. I enter the IP address under 'Gateway' and the username and password where it asks for it, but it doesn't work. I try to enter it with the IP address ending with a colon, followed by the port, but that doesn't work either (e.g. "1.1.1.1:9999"). Any idea how I could make it work? I'm using Ubuntu 12.04 LTS. Thanks.

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• m not able to connect to wifi network

  - by Broken Heart

  i had tried every code every idea every thing but i failed wiireless driver broadcom bcm43412 but when i checked pci-id it show not supported my pci id is 14e4:4365 and chip id is BCM43142 i tried edit connection myself to olso but i cannt wat to put in clone mac adress place? device mac adress is the router mac adress but what is clone mac adress i had placed my laptop mac adress in place of clone mac adress bt it doesnot work tried every thing but it not work checked additional driver by going system settings it doesnot contain any drivers,tried internet by cable then it connects then how sholud i correct this plz tell

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• Bridge Laptop's Ethernet to Wireless

  - by Kalphiter

  The laptop wirelessly connects to my router, while the desktop is connected to the laptop with an ethernet wire. The desktop successfully can use the internet if I set the connection to be shared on the laptop. The problem is, I need the laptop to forward the desktop's packets across the link unmodified, so the desktop is on the same network as the router. The desktop needs its IP assigned by the router, so that I can access it from another computer as "192.168.1.8".

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• Problems with microphone and network

  - by AnoonymoouS

  Hello... very good day everybody! I'm having some problems regarding the Ubuntu 12.4.01 LTS. For this reason, cordially i ask everyone's help. Such problems can be summed up in network (01) and audio (02)! 01) I can not set a DSL network settings in the "upper bar" (on side the clock). When i create the connection, the system says that the cables modem are disconnected! I can only use the internet if i set up a connection at terminal through the command "pppoeconf". Follows the print screen of what i mentioned above:. http://i.imgur.com/8nTrF.png Obs.: Note that even after the connection "created", it does not appear there! 02) The sound is reproduced; however, can not be captured! I can not make recordings, obviously i can't use the microphone. I believe that something is giving interference or the settings are wrong! Follows the video of what i mentioned above:. http://dl.dropbox.com/u/41085750/Projeto%20Padr%C3%A3o.mp4 Obs.: I'm listening to music, so that interference errors may appear in the video. By kindness; who can help me... help me! I sought help at various sites and forums but unfortunately, i did not get success. I wait anxiously for a direction. Regards, Anoonymoous.

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• RPC protocols comparison

  - by Ricardo

  I have to select a protocol/technology to use for communicating a client-server architecture, with support both for Python and C. The main requirements are: Symmetrical communication in between ends: clients establish a connection and servers can send data back to clients through the same connection. Avoid excessive overhead by using HTTP or a big stack (if possible, TCP direct communication). TLS/SSL support for secure communications. Ease of implementation. For that, I evaluated the following protocols/communications technologies. Is the information on this table accurate and correct? (*1) TLS support for RPyC is based in a no-longer supported Python library.

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• How to prevent WLAN connection from dropping permanently?

  - by Chris

  I have a desktop with a Fritz USB WLAN N stick and tried Ubuntu 12.04. Installation went fine and WLAN is working. However, connection drops permanent. Reconnecting manually fixes it but after a few minutes it drops again. It's connected to a Vodafone 802 box with WLAN N fix set. It seems that it works when I switch off N mode. But I need to test. Can someone confirm this issue or is there another solution? I have another machine with 12.04 (HP 625 laptop) running where connection is stable.

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• Network connection fails when downloading data

  - by Guus

  In the past few weeks, I've noticed my network connection becoming unstable while downloading files. I'm not sure how to diagnose this issue. I've found that my network connections appear to be temporarily unresponsive (for periods up to a minute or so) while I'm downloading a file (that's large enough to not be downloaded instantly). The problem occurs when downloading data through a webbrowser, but also when using SCP to download data from a remote location. During the period in which network connections are unresponsive, every resource that I try to access over the network is unavailable. This includes: The download itself (SCP reports a 'stalled' download) Web pages (won't load - browsers report 'resource unavailable') SSH sessions (CLI freezes) VPN connections (connections terminate) IM client connections (client starts reconnection attempts) ... (everything is pretty much dead) I've noticed that during such a period, I cannot even access the (web-based) administrative console of the router on my LAN at home (although it remains reachable for other devices). The problem occurs when connected to my home network, but also when I'm in the office. Other devices than my laptop are not affected. Given the above two characteristics I assume the problem cause lies within my laptop, not the network infrastructure. I'm running Ubuntu 11.10. Apart from applying automatic updates from Ubuntu, I can't think of a change that I applied to the OS that could have started the problems. I'm absolutely positive that this issue did not occur up to a few weeks ago (as it's very noticeable, and only started to annoy me in the last few days). When the problem occurs, applications that make use of a network connection fail visibly (I get popups telling me that a VPN connection is broken, for instance). The network manager does not report any issues related to my wifi-connection though. Help?

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• How do I get to work my Atheros AR9485 Wireless card in Ubuntu 14.04 LTS?

  - by Ivan Kreimer

  I've recently installed Ubuntu 14.04 LTS in my ASUS D550CA, and so far things have gone great. The only problem I've got is the Wi-Fi. It doesn't work. I've got an Qualcomm Atheros AR9485. I've tried installing the drivers, but the sytem says it doesn't find any. So I started looking around this forum for solutions. I've read every single post from this forum about my Wi-Fi network adapter, and I've found nothing that solves my problem. Let me give you some info about my configuration. Disclaimer: my configuration is in spanish, so if you don't understand something you can either use Google translate, or use your imagination. :D When I run $ sudo lshw -C network this is what I get: *-network DEACTIVATED descripción: Interfaz inalámbrica producto: AR9485 Wireless Network Adapter fabricante: Qualcomm Atheros id físico: 0 información del bus: pci@0000:02:00.0 nombre lógico: wlan0 versión: 01 serie: 28:e3:47:5c:5d:3f anchura: 64 bits reloj: 33MHz capacidades: pm msi pciexpress bus_master cap_list rom ethernet physical wireless configuración: broadcast=yes driver=ath9k driverversion=3.13.0-34-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bgn recursos: irq:17 memoria:f7d00000-f7d7ffff memoria:f7d80000-f7d8ffff *-network descripción: Ethernet interface producto: RTL8101E/RTL8102E PCI Express Fast Ethernet controller fabricante: Realtek Semiconductor Co., Ltd. id físico: 0.2 información del bus: pci@0000:03:00.2 nombre lógico: eth0 versión: 06 serie: e0:3f:49:ce:57:49 tamaño: 100Mbit/s capacidad: 100Mbit/s anchura: 64 bits reloj: 33MHz capacidades: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuración: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8402-1_0.0.1 10/26/11 ip=181.165.245.39 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s recursos: irq:41 ioport:e000(size=256) memoria:f0004000-f0004fff memoria:f0000000-f0003fff At the beginning, you'll see that it says "*-network DEACTIVATED" (or at least that's what I translated), is that something bad? Then, when I run ipconfig this is what I get: eth0 Link encap:Ethernet direcciónHW e0:3f:49:ce:57:49 Direc. inet:181.165.245.39 Difus.:181.165.245.255 Másc:255.255.255.0 Dirección inet6: fe80::e23f:49ff:fece:5749/64 Alcance:Enlace ACTIVO DIFUSIÓN FUNCIONANDO MULTICAST MTU:1500 Métrica:1 Paquetes RX:221199 errores:0 perdidos:0 overruns:0 frame:0 Paquetes TX:62025 errores:0 perdidos:0 overruns:0 carrier:0 colisiones:0 long.colaTX:1000 Bytes RX:124409589 (124.4 MB) TX bytes:7471899 (7.4 MB) lo Link encap:Bucle local Direc. inet:127.0.0.1 Másc:255.0.0.0 Dirección inet6: ::1/128 Alcance:Anfitrión ACTIVO BUCLE FUNCIONANDO MTU:65536 Métrica:1 Paquetes RX:2977 errores:0 perdidos:0 overruns:0 frame:0 Paquetes TX:2977 errores:0 perdidos:0 overruns:0 carrier:0 colisiones:0 long.colaTX:0 Bytes RX:397158 (397.1 KB) TX bytes:397158 (397.1 KB) When I put iwconfig: eth0 no wireless extensions. lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=off Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Finally, when I put sudo rfkill list all, I got: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes 1: asus-wlan: Wireless LAN Soft blocked: no Hard blocked: no 2: asus-bluetooth: Bluetooth Soft blocked: no Hard blocked: no I hope anyone can help me solve this, I've searched a lot and found no solution. Thanks a lot.

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• Which game logic should run when doing prediction for PNP state updates

  - by spaceOwl

  We are writing a multiplayer game, where each game client (player) is responsible for sending state updates regarding its "owned" objects to other players. Each message that arrives to other (remote) clients is processed as such: Figure out when the message was sent. Create a diff between NOW and that time. Run game specific logic to bring the received state to "current" time. I am wondering which sort of logic should execute as part of step #3 ? Our game is composed of a physical update (position, speed, acceleration, etc) and many other components that can update an object's state and occur regularly (locally). There's a trade off here - Getting the new state quickly or remaining "faithful" to the true state representation and executing the whole thing to predict the "true" state when receiving state updates from remote clients. Which one is recommended to be used? and why?

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• Best way to cache apt downloads on a LAN?

  - by Ken Simon

  I have multiple Ubuntu machines at home and a pretty slow internet connection, and sometimes multiple machines need to be updated at once (especially during new Ubuntu releases.) Is there a way where only one of my machines needs to download the packages, and the other machines can use the first machine to get the debs? Does it involve setting up my own local mirror? Or a proxy server? Or can it be made simpler?

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