Ubuntu Networking :: Pinging With 32 Bits Of Data?
Feb 6, 2010when i type ping"proxy address" in my command line i get
pinging with 64 bit data while in windows i used to get 32 bit data...
whats the difference between the two??
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Software :: Serial Printer Setup 7 Data Bits Rx 8 Data Bits Tx
Aug 8, 2010About 7 years ago I setup a Redhat system with 8 serial terminals and 8 serial printers, this is still running but I need to get another system running so the original can be taken down for maintenance. The printers are ancient Newbury data dot matrix wide carriage with 7 data bits receive 8 data bits transmit Xon/Xoff flow control. Now I remember setting the transmit and receive data bits as above but after 7 years can't remember where.
View 2 Replies View RelatedNetworking :: (Netstat -s) Bits Or Data Packets Transferred Counts?
Sep 15, 2009Using netstat I can get a lot of network related information which is pretty useful at times. But when I use for example 'netstat -s' it gives me a lot of counts for bits transferred or data packets transferred etc. Now one thing I am not sure of is that for how long those counts will keep rolling and when will they get reset (when I restart the machine?, when I restart the network services? Or if there is some kinda threshold set on it?) How exactly netstat counts those things (I mean what is the source of those counts for netstat).
View 2 Replies View RelatedProgramming :: 1 Million Bits Of Data To 1000x1000 Gif ?
Aug 14, 2010I'd like to represent data in a graphic form and one example is a million bits of data represented as a square .gif of 1 million pixels.
I'm posting here rather than [Art & Imaging] as I'd like to dump 0s and 1s directly into gif|jpg|png or other format, rather than using an application. Even with an application I'm not sure of an efficient way to channel the data.
Ubuntu Networking :: Lubuntu Networking - Pinging To No Avail ?
Apr 27, 2011Ive recently installed lubuntu 10.04 on an old sony vaio. ive been able to connect to the internet (satellite broadband) for a few months then no connection. the connection is fine so its definatly the network on the vaio. ive tried pinging to no avail.
View 5 Replies View RelatedUbuntu Networking :: DUP When Pinging Default Gateway. No Internets?
Jan 30, 2011I had a router crap out yesterday. I'd been testing out a new one for the last few days and just reconfigured it to be the main. Took the old one down and everything in my house (Windows 7 PC, XP Files server, Ubuntu PC , windows 7 laptop, android tablet, ps3, etc) seems to be working fine whether it be hard wired or wifi. All except my ubuntu 10.04 laptop. It worked fine before the swap so I can't figure out what's going on.
I'm able to connect to the new SSID without issue but I can't resolve any external names and when I try to ping the default gate way every other packet has (DUP!) behind it. If I'm hardwired I don't get the dup! when pinging the default gateway but I still can't resolve any external names. I have provided the results of an ifconfig and the results of a ping to the default gateway below.
cooley@Quigon:~$ 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_seq=1 ttl=64 time=2.98 ms
64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=3.04 ms (DUP!)
64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=3.50 ms
64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=5.72 ms (DUP!)
64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=8.09 ms
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Networking :: Pinging Localhost Comes From Source Of Eth0
Jan 13, 2011I was doing some one-handed-one-fingered typing while talking on the phone. Due to lack of paying attention, I executed the following command: ifconfig eth0 1300 (was meant to be ifconfig eth0 mtu 1300) this of course killed the connection, so I got the box rebooted. This box functions as an openswan/firewall server. everything came up okay, end users are reporting no problems with the vpn or the firewall function. However, one service is failing because the route to localhost seems to be originating from eth0. when I `ping localhost`, the traffic dump shows the ping packet originating from the external address. On all my other boxes, when I ping localhost, the traffic originates from localhost. The reply to my ping behaves normally.
here is a dump of my pinging localhost: fw-ps:~/scripts# tcpdump -n -i lo listening on lo, link-type EN10MB (Ethernet), capture size 65535 bytes 10:00:01.885033 IP 194.246.23.22 > 127.0.0.1: ICMP echo request, id 6893, seq 12, length 64 10:00:01.885068 IP 127.0.0.1 > 127.0.0.1: ICMP echo reply, id 6893, seq 12, length 64
I considered trying to manually add some routes, but since the reply is working, I am not sure that is the problem. I also considered trying to change the default interface, but I don't want external traffic originating from the loopback.
Ubuntu Networking :: Packet Loss Pinging Local Network ?
Jan 6, 2010I'm using kubuntu 9.10 desktop edition as a server and I set the IP statically, what happens is that when I ping it from another machine on the same network, I get intermittent packet loss (up to 80% and sometimes even higher). When I ping any other machine on the local network everything's fine with 0% packet loss. Packets go directly through switch, no router or anything in between.
I suspected wiring issues, but that doesn't seem to be the problem after I changed the wiring. I was connected to wireless and suspected that but no go either. Same thing when I turn wired. I just changed the ethernet card suspecting drivers but that's no good either. Iptables is a cleanslate installation, it's totally empty.
Ubuntu :: 32 Bits Version Packages Work On The 64 Bits Edition?
Jun 19, 2010when I reformat ubuntu, I use AptonCD to save packages and then restore them without downloading anything over again. what I want to know is: I have the 32 bits ubuntu installed and then I downloaded the 64 bits version. If i reformat to the 64 bits one, would the DVD saved aptoncd packages from the 32 bits work on the 64 bits installation?
View 4 Replies View RelatedCentOS 5 Networking :: Host Unreachable When Pinging Gateway?
Jan 13, 2010I have an HP BL460c G5 with 5.3 installed fresh
it can ping its own IP address just fine
its a bit slow but constant pinging the switch its connected to
and i get alot of Destination host unreachables(a few do get through) when pinging the gateway
port on the switch is hardcoded to GB/full. and the server itself reads that its connecting at GB/full.
Ubuntu Networking :: 'Resolving Hosts' On Lucid - Pinging Self On WAN Temporarily Fixes
Oct 16, 2010So I've been reading around a bit, and have found a few fixes for this Resolving Hosts problem, but none of them have fixed mine yet. Basically what happens is all browsers fail to load pages, pinging local network works, but pinging default gateway doesn't. Cannot ping external websites and cannot reach update or upgrade servers for ubuntu. All networking works as normal on all other PCs in house, as well as the windows 7 boot I have on my ubuntu PC.
What I've tried:Disabled IPv6 completely by preventing the module from booting up Manually setting network settings instead of using the router's DHCP server Changing DNS servers from ISP to Google public DNS to OpenDNS Buying a new ethernet card And a few other things I can't remember off the top of my head, none of which worked. From memory, all this just started happening out of the blue. I recently changed from Windows to Ubuntu, and was enjoying the switch but all of a sudden I couldn't get on the internet on Ubuntu.
Now, I'm not sure why, but I decided to ping myself. Not my LAN ip, but our router's WAN ip. It worked, albeit took a little while to return a response the first packet, but each subsequent packet after that was a normal speed (~0.5ms). The strange thing about this was that I found that for a few seconds after pinging myself, I could access the internet. After a few seconds though, it returns to it's resolving hosts self again, which another self-ping would fix.
Consequently, in order to browse, I have an open terminal constantly pinging myself which appears to be working. Not ideal, and certainly not something I would like to keep doing for long, but it works for now. I really like Ubuntu, but if I can't get this net thing fixed, I can't finish moving over from Windows!
Ubuntu :: 64 Bits Install 32 Bits Windows In VirtualBox?
May 18, 2011I am wondering if I can install a 32 bits guest Windows XP in VirtualBox in my 64 bits Ubuntu Natty host? I need a 32 bits Windows to run some programs.
View 6 Replies View RelatedNetworking :: Internet By Pinging Outside IP's But Firefox Browser Returns Cannot Locate Www
Mar 9, 2009Installed Fedora 10 with Mozilla-Firefox, I can get out on the internet by pinging outside IP's but Firefox browser returns cannot locate www. does anyone know what package I need so browser connects.
View 7 Replies View RelatedNetworking :: Pinging Multiple Interfaces - Getting Pings From Eth0 But Not From Eth1?
Feb 26, 2011I have two network interfaces and their entries are shown as eth0 and eth1... I want to assign them static IPs which I do by
ifconfig eth0 192.168.9.245 netmask 255.255.0.0 up
ifconfig eth1 192.168.8.245 netmask 255.255.0.0 up
But I am not sure if it will ping both the interfaces if I issue a command
ping -I eth0 192.168.9.113 (machine in network)
ping -I eth1 192.168.9.113 (machine in network)
I am getting pings from eth0 but not from eth1
General :: Upgrade 32 Bits Programs To 64 Bits On Opensuse 11.2
Jan 5, 2010I'm quite new to linux and I recently (and courageously) upgraded the computer of my work from opensuse 11.0 32bits to opensuse 11.2 64bits.
Well, everything would be quite fine except that I still have some softwares 32 bits that have the 64 bits version available. I know that because, using YaST, I can see by the Installed software section that there are 'choices' of versions for some programs; these versions are 'i586' and 'x86_64', and many of them have the i586 version installed.
So, I wonder if there is some type of auto upgrade all programs which are i586 and have the matching x86_64 avaliable...
Networking :: Wicd Pinging Access Point Repeatedly / Eventually Connects
Aug 28, 2010I'm running wicd 1.7.0 on Kubuntu 10.04, with an Actiontec DSL wireless router (with an internal dd-wrt "bridged" router as well;Any idea what "magic" those lines are performing and if it's possible to make wicd do it all the time (instead of just the third time)?Very happy to pursue any debugging if anyone has any ideas, as it's pretty annoying to have to wait an extra couple minutes on every boot until connecting.
View 1 Replies View RelatedSoftware :: Can Install 32 Bits On System 64 Bits
Jan 5, 2010Can I install Linux 32 bits on system 64 bits?
For example if I have cpu 64 bits, can I install ubuntu 32 bits?
If yes, all drivers will befor 32 bits, right?
Software :: Vmware 64 Bits On 32 Bits OS Host
Jun 9, 2010I just create a vm image with 2 CPUs to be used on a one CPU machine. it works great. Now, i am thinking about creating a 64 bits Redhat VM image to be run on my 32 bits machine. Is that possible?
View 2 Replies View RelatedSlackware :: Button Of Xchat On 13.1 In 64 Bits And 32 Bits
Jun 21, 2010I notice this in all my machines (32bits and 64bits).
View 1 Replies View RelatedUbuntu Networking :: Pinging Hostname Rather Than Hostname.local?
May 24, 2010I'm trying to ping another Ubuntu computer on my local network. If I try doing,ping <hostname>then I get the messageping: unknown host <hostname>however, if I doping <hostname>.localthen I get a response back. I was wondering how I can change it so that I can ping without having to append .localI've installed winbind and modified my /etc/nsswitch.conf file but this has made no difference.
View 2 Replies View RelatedFedora :: What's Different Between 32 Bits And 64 Bits
Jun 30, 2010I want to know what's different between Fedora 32 bits and 64 bits.
Also, I want to know if I want to run 64 bits of Fedora, what do I need ?
just in case: My CPU is "Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz"
Red Hat / Fedora :: Pinging Between Two Ip?
Jul 20, 2010I have three linux pc. assume server-A, server-B and server-C. server-A is connected with server-B trough eth0 (ip:192.168.1.5) and server-B side ip: (eth0)192.168.1.1. Server-B is connected with server-C through eth1 (ip: 10.10.10.1) and server-C side ip (eth0) : 10.10.1.4.
I want to ping between server-A and server-C. what can i do. if it is possible by iptables what is command.
Ubuntu Security :: Block Pinging With GUFW?
Jan 25, 2010I did one of the recommended port scans and all ports passed but failed on pinging. How do you turn pinging on & off with GFUW?
View 9 Replies View RelatedNetworking :: Serial Port : Read Data, Not Reading Complete Data?
Mar 5, 2010I have an application where I am sending data via serial port from PC1 (Java App) and reading that data in PC2 (C++ App). The problem that I am facing is that my PC2 (C++ App) is not able to read complete data sent by PC1 i.e. from my PC1 I am sending 190 bytes but PC2 is able to read close to 140 bytes though I am trying to read in a loop.Below is code snippet of my C++ AppOpen the connection to serial port
Code:
serialfd = open( serialPortName.c_str(), O_RDWR | O_NOCTTY | O_NDELAY);
if (serialfd == -1)
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Programming :: How To Make Pinging Function More Efficient
Mar 13, 2010I am starting a project of my own (and learning C++ at the same time. I got my program to successfully scan a custom netmask, but it is REALLY slow. I want my program to do something similar to nmap -sP xxx.xxx.xxx.xxx-xxx. How to speed it up? Such as pinging more than one IP at a time...
Code:
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <sstream>
using namespace std;
int ip42;
string ip1, ip2, ip3, ip4, ipaddr;
int main() {
cout << endl << "Enter part 1: ";
cin >> ip1;
cout << endl << "Enter part 2: ";
cin >> ip2;
cout << endl << "Enter part 3: ";
cin >> ip3;
cout << endl << "Enter part 4: ";
cin >> ip4;
while(ip42 < 255){
ipaddr = string("ping -c 1 ").append(ip1);
ipaddr = string(ipaddr).append(ip2);
ipaddr = string(ipaddr).append(ip3);
ipaddr = string(ipaddr).append(ip4);
system(ipaddr.c_str());
ip42 = atoi(ip4.c_str());
ip42 += 1;
stringstream output;
output << ip42;
output >> ip4; } }
Ubuntu :: Df Command - 'none' Bits Mean?
Oct 17, 2010What do the 'none' bits mean?
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Ubuntu :: 64 Or 32 Bits For Desktop?
Dec 16, 2010I have a laptop with 4 GB of RAM and I am planning to install Ubuntu 10.10.
What would you recommend? 64 or 32 bits? and why?
Ubuntu :: Server - Which Edition - 32 Or 64 Bits ?
May 3, 2010I am about to download the Server Edition. How do I know which edition (32 or 64 bits) is suitable for me?
View 2 Replies View RelatedUbuntu Installation :: Freezes 10.10 32 Bits?
Mar 13, 2011I have 2 HDD, one is 500 GB, the other is 70 GB, 1.5 GB RAM and a 256 MB nVidia graphics card.In one HDD I have Win XP 32 bits, the other one is empty, and I want to install Ubuntu, so I downloaded the .iso 32 bits from the official page, burned it with the recommended software, no problems (I used the slowest speed).I reboot the computer, BIOS > Boot from CD, and Ubuntu screen appears (sorta purple with black).About 10 mins pass by, it's still "loading" or something, and, suddenly, it just freezes, out of the nowhere.Here's a short vid of what happens:
View 9 Replies View RelatedUbuntu :: 11.04 64-bits - Use A Package Manager
May 31, 2011I have a problem with my package managers when ever I use a package manager, here is the message I get:
aptitude search aircrack-ng [ ERR] Reading package lists
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_natty_main_bina ry-amd64_Packages
E: The package lists or status file could not be parsed or opened.
[Code]....
I can't install anything anymore on my system