Tagged Questions

0
votes
1answer
33 views

How to add access to a host via symbolic name?

From one LAN I have access to the host 10.0.0.*** via symbolic name say a007, which was added to my /etc/hosts as: 10.0.0.*/*/* a007 But now I need to use this host as a007 from another LAN and I ...
0
votes
0answers
31 views

Effects of IW10 (initcwnd 10 initrwnd 10) on high speed LAN based TCP/IP communications?

What does changing the number of packets sent during the initial congestion window to 10 have on LAN connections? Via: ip route change default via GATEWAY dev INTERFACE initcwnd 10 initrwnd 10 Is ...
0
votes
0answers
56 views

Smoothwall’s DHCP unavailable

We have a LAN connected through a VSAT satellite that was brought down by a storm a few days ago. We’re thinking it was a short and the lightning arrester didn’t work – a piece on the VSAT stopped ...
0
votes
4answers
105 views

local SSH works when using “localhost”, but not using IP address

I'm having difficulty setting up ssh for a laptop on my LAN. I think I have done all the obvious things. On the server: ps -A | grep sshd 18278 ? 00:00:00 sshd and ss -lnp shows sshd ...
8
votes
3answers
268 views

Migrate raw disk image over LAN

Here is my situation: Two dedicated servers in the same datacenter with gigabit ethernet between them. Both dedicated servers booted into a rescue environment based on Debian Squeeze with extra ...
-2
votes
2answers
108 views

How do I send hostname info to Airport DNS from Linux? [closed]

My router is an Airport Extreme. I can easily ssh to other OS X machines via hostname.local (example1.local, exmaple2.local, etc) once it is set in in the preferences. But despite the fact that my ...
-1
votes
1answer
70 views

Standard solutions to keep LAN connection up

Do you use some "standard" solution to manage your server connectivity? In particular, how do you ensure that, week after week of uptime, your LAN remains connected, even if the router should reboot ...
-2
votes
3answers
107 views

No route to host after changing interface to static ip [closed]

I installed a Linux (Ubuntu) server inside my home LAN, initially it's automatically configured to use DHCP interface. I'm connecting to this server from another computer using that server's hostname. ...
0
votes
2answers
107 views

Linksys SE1500 Ethernet switch issue

I just bought a Linksys SE1500 Ethernet switch and I'm trying to set up a small standalone network for pentesting and security research. However, when I do a network scan with one of the computers ...
1
vote
3answers
314 views

Get the MAC addresses of all the machines connected to a LAN when NO machines have got an IP address yet

Here is the real scenario. I have say 4 machines not having any IP address yet connected to a switch. In one of the machines (OS=CentOS), I would install a DHCP server and would provide the other ...
0
votes
2answers
300 views

How to set up remote login and DNS resolution in a small business environment having centralized server

Dear fellow Administrators, I have a very burning issue I am still hunting an answer for. We had a maintenance involving the IT infrastructure (new computers, cabling, etc.), but we have found that ...
0
votes
1answer
271 views

What equipment/software is needed for setting up a LAN-based webserver for learning the ropes locally? [closed]

I'm a complete linux/networking beginner. What equipment/software will be needed to do this? Basically I want to set up a server computer and be able to connect to it locally with my desktop, and ...
2
votes
3answers
348 views

Connection of a 10/100Mb adapter to 1000Mb LAN

I have the following problem. I cannot get an IP address using DHCP. I have a 10/100Mb adapter on a set-top box connected to a 1000Mb LAN. When I boot up the set-top box it gets an IP from the DHCP ...
3
votes
4answers
428 views

Resolving IP Address Conflicts in LAN

We have our lan setup with DHCPD providing fixed IP addresses to the systems. However we are facing IP conflicts if some one connects a laptop and assigns an IP address belonging to another system. ...
0
votes
3answers
451 views

FreeBSD and Linux VLAN

I have a LAN and i need to create a LAB with three VLAN on my boxes, Linux and FreeBSD. Well i create a VLAN 1 on the linux box as follow: sudo vconfig add eth0 1 sudo ifconfig eth0.1 inet6 add ...
1
vote
4answers
4k views

Access linux machine by hostname within LAN?

I have a LAN setup with a bunch of windows and linux boxes. The LAN is built on top of the AT&T DSL Router. I don't have any type of DNS Server running. All the windows machines can identify ...
0
votes
1answer
326 views

Need help with local network printing while using VPN on Ubuntu 10.10 desktop

I can print to my HP printer via the LAN when I'm not connected to the VPN. When connected to the VPN, printing fails. OpenVPN 2.1.0 x86_64-pc-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [MH] [PF_INET6] ...
1
vote
2answers
200 views

How to get rid of NAT in a LAN?

Currently the LAN I manage is organized as follows: internal network (192.168.1.0) which uses a Linux server as a gateway (internal address on interface br0 192.168.1.1, external address on interface ...
0
votes
1answer
175 views

NTP Meinberg GPS167: How to connect to a Ethernet?

I have a Meinberg GPS167 NTP: http://www.meinberg.de/english/products/gps167.htm Although it doesnt have a ethernet RJ45 port. Is there any way to connect it to a LAN?
2
votes
2answers
332 views

802.1x authentication on LAN

i want to configure a linux as gateway (dhcp and nat) and i would like to add 802.1x as authentication protocol. My question is, i remember in the past, that it has a strong connection with the port ...
0
votes
1answer
203 views

how to configure asynchronous ppp connection on a lan

how can i configure asynchronous ppp connection on a lan so that ppp connection to ISP is made (the Internet) only when there is a request from a local net to and disconnect if there is no activity ...
3
votes
2answers
443 views

Why is my SSH session timing out in less than a minute?

Within a minute of connecting to my remote Linux server through SSH, my session times out and I cannot contact the server until a few seconds have passed. Meanwhile, I'm connected to other servers ...
0
votes
2answers
207 views

Web Server with phpMyAdmin

We have web development company, We using RHEL 5 as local (proxy) server with few windows XP client machines. Now i want to make my Server machine as Web Server ( LAN only ), with mysql and ...
1
vote
1answer
306 views

Monitoring LAN with Zenoss

Hai guys/gals, How can i monitor LAN with zenoos in RHEL5? My server is RHEL 5 My client machines are Windows xp Using 10.0.0.0/24 serious for LAN connection. Have modem for internet Have switch ...
1
vote
2answers
137 views

web server on a lan

I wan to set a webserver (apache) to work on a lan (4 to 7 PCs connected via a switch ) for educational purpose only (learning how a web server work)?. what I need to do ? if you have any link to ...
4
votes
2answers
11k views

Load balancing & NAT-ing multiple ISP connections on Linux

I have two internet connections from two different ISPs and I need to balance the traffic originating to and from my network between the two ISPs. I am using Debian GNU/Linux. My set-up is like this ...
12
votes
4answers
5k views

Per-user hosts file

Is there a way to define host aliases (like in /etc/hosts) on a per user basis, i.e. in a file /home/user/.hosts ? My primary objective is to easily share host aliases via rsync between the machines ...
2
votes
2answers
766 views

Smoothwall NOT giving out DHCP

I have a Smoothwall machine with 'green + red' setup. The Smoothwall machine can see the outside world and I can connect to it from inside my network with its local address (I can also connect from ...
1
vote
6answers
2k views

How do I set up a LAN-wide DNS server?

I'm familiar with the trick of of editing the /etc/hosts file to direct your computer's traffic to specific IP addresses. Now, I'm looking for a LAN-wide solution. Of course, I could edit all of the ...
1
vote
4answers
5k views

Share LAN network through Wifi in Linux

I have an ubnutu server connected to internet by an ethernet cable to a router. I would like to share the Internet connection by a Wifi usb dongle connected to the server. What are the possible ways ...