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Questions tagged [interface]

326 questions
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9 answers

how to provide a web interface to sftp server

We need to securely serve files to our clients. We want the transport to be encrypted, users should require user/password and they should be able to access their files through the web, ftp/sftp and curl. The obvious idea is to use openssh and its…
user23398
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Why is there less latency on loopback than on a carp interface?

Stack Overflow Careers is served up something like so: user -> internet -> our fw -> nginx -> haproxy -> web farm FreeBSD is the operating system in use no firewalling or QoS is in place on this box nginx handles our SSL termination haproxy…
Michael Gorsuch
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5 answers

Can only bring up one of two interfaces

I'm having a bizarre issue with my HP Proliant DL 360 G4p server. It has two gigabit ethernet interfaces but I can bring up only one of them. This is starting to freak me out and that's why I turned here. I'm running the x64 ubuntu 11.10 server…
mstaessen
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1 answer

Two network adapters on Ubuntu Server 9.10 - Can't have both working at once?

I'm trying to set up two network adapters in Ubuntu (server edition) 9.10. One for the public internet, the other a private LAN. During the install, I was asked to pick a primary network adapter (eth0 or eth1). I chose eth0, gave the installer the…
Rob
6
votes
1 answer

How do I route all traffic from clients connected to the DD-WRT to its OpenVPN tunnel tun0?

I am setting a secondary (DD-WRT) router to act as a OpenVPN client so that all clients would get VPN access simply by connecting to the router. But seems clients traffic is always routed via the main gateway instead of the established VPN…
user1534160
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3 answers

Linux email server for sending email from multiple IP addresses

I'm trying to setup an email server so it has the capability to send email from multiple IP addresses, so our marketing system can send email from multiple domains, while keeping the reverse DNS lookups consistent. IE, domain1.com resolves to…
Alex Fort
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2 answers

No network loopback device after security update ubuntu 12.04

I've had Ubuntu 12.04 on a server for the last several months, with everything working fine. Last night I did an aptitude update && aptitude safe-upgrade to bring in all the latest security changes, and now when I boot the server no lo device is…
quangdog
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2 answers

Samba domain trust errors on a specific interface

We have a windows domain that also has a RHEL member server in it. All the servers have a primary network connection to the LAN, but some servers also have private dedicated links to the RHEL server, which serves as a head to our SAN storage. This…
Univ426
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3 answers

linux vlan routing

I've got this network topology: network 192.168.100.0/24 vlan 100 network 192.168.200.0/24 vlan 200 one ubuntu server(2 vlans on 1 ether) eth0.100 (ip:192.168.100.10/24) eth0.200 (ip: 192.168.200.20/24 def gw 192.168.200.254) Situation is…
MealstroM
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1 answer

Syntax for include files in /etc/network/interfaces

I want to organize interface aliases (for example eth0:1) in separate files (/etc/network/conf.d/eth0_1.cnf). Anyone know the syntax to load this external file from /etc/network/interfaces, or where I can find it? I do not want the interface to…
r_2
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3 answers

A tool to change the default bind interface for a given command?

This is somehow related to Change interface for doing a whois The differece is that I'd like to know if it's possible to specify the default interface only for a specific program - not system-wide. For example: let's say my server has several IPs. I…
wanson
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2 answers

/etc/interfaces file for multiple gateways, same network? (linux)

I've got my ip routing table setup as I'd like it: # ip r s 10.1.248.0/24 dev eth0 proto kernel scope link src 10.1.248.11 default via 10.1.248.1 dev eth0 metric 100 default via 10.1.248.3 dev eth0 metric 200 10.1.248.1 is the primary…
Mark Rose
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1 answer

Can't communicate between multiple interfaces on same subnet

I have multiple ethernet interfaces on one machine, all on the same subnet. Normally these are set up to run on separate VM's, and I understand the limitations imposed by Linux as described here, but I've been tasked to try and make it work on one…
Tanner
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5
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3 answers

CentOS 6.5 not bringing up network interface automatically after reboot [ifup eth0]

I am having this issue with many of my CentOS servers where after a reboot the network interface fails to come up automatically. This is a big problem for me since I need to drive to the datacenter every time when this happens as a result from a…
Rudolph
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5
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1 answer

Junos: find out each interface's ip

Sorry if my explanation is confusing. I need to get all the ip addresses of a Juniper Switch and Router (different models). On Cisco IOS I can get that with show ip interface brief | exclude unassigned: cisco_device>show ip interface brief |…
Megaslav
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