Linux Networking

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The variety of Linux distributions creates myriad issues relating to configuration and operations when computers are networked, not the least of which is the use of various network management applications, some of which are included with specific distributions, while others are standalone applications.

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Hi Experts,

We are building an automated HAProxy + NGINX environment to host high load web campaigns.
One of the requirements is obviously to know how much traffic each campaign used during the ru…

424 views
Find Ransomware Secrets With All-Source Analysis

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Hi
We have Windows 7 PCs on our network and DCs are windows 2012.
Also we have Linux debian proxy servers for students and we use BLOXX, which is our internet filtering system. Currently YouTube ac…

319 views

So it appears I should some sort of DNS record so that a client can just go to the DNS server and know where to find the IPA servers???

I have a Windows domain hosted on a Windows small business s…

230 views

"uptime" high (200+) on RHEL6 but CPU usage is low... any ideas why?

427 views

I setup my ipa server and replica... now trying to set up client.  not sure why its complaining about DNS... the IPA servers have DNS


(CODE)

221 views

I searched "nagios quick start" and found this.  https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/quickstart-fedora.html.... I sort of followed it blindly on a fresh VM while doing …

1338 views

I want rw mounts and I want username/group matching by name, not gid/uid.  We have a mix of RHEL/CentOS 6/7.  What are the best/simplest options to do this?

323 views

Hello Experts,

We have a Dell PE720 that runs Linux and has a error "PCI1320 Fatal Bus Fatal Error on Bus 64 device 2 Function 0. Power Cycle system."  Any ideas or direction we should take in trou…

337 views

Dear Team,
There are two servers pwd01.us.com and pwd02.us.com.
d01 is the prod server and d02 is the Disaster recovery(DR) backup server.
Both are Red Hat Enterprise Linux 7.0 on Virtual boxes.
M…

217 views

I can not find in official Exim documentation - what are recommended OSes for it: CentOS, Debian, Ubuntu, Suse, Windows?

1023 views
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I am forced to urgently move exim mail server to different server. Exim4 was installed on old server with lots of different other services. So, now I want to devide services without making any changes…

226 views

I want to configure my own VPN server in the cloud.
I wanted to use OpenVPN, but I see that it is located in extra packages for enterprise linux repository. As I know packages from extra repositories…

654 views

I need to setup a virtual firewall to filter DHCP traffic, just DHCP traffic, on the same LAN.

I am connecting two offices with a wireless link, configuring the two offices with the same IP scheme …

2340 views

Hi Experts

How to execute a command by using by using a SSH connection on a remote IP and then return the results?

I'm facing a chalenge on how to do this by using PHP.

1. Fill  username/ pas…

750 views

Hello Dears,

I want to configure my Linux Servers (Most of them are Ubuntu servers) in such a way that an LDAP account is used to login into the servers in order to administer them. My objective is…

441 views

I need to block a few websites, and I assume I can do this by different ways:
1. Firewall
I have a sonicwall, but no subscription for the content filtering. Other people seem to be successful withou…

527 views

Hello Experts,

Can someone let me know how edit a file called NETMAP shown in the image. How to use the Linux machine is shown here

http://91sec.blogspot.co.uk/2014/03/my-cisco-iou-racks-from-fl…

650 views

HI,
Here is my understanding of STUN.
Device A which is behind NAT wants to discover its public ip address so sends a request to STUN server.

A->B->C->D (public ip) -> E->F->G->STUN server
So th…

432 views

Here is the error message:
MessageType : BIND_RESPONSE
Message ID : 4
    BindResponse
        Ldap Result
            Result code : (INVALID_CREDENTIALS) invalidCredentials
            Matched …

133 views
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I have a CentOS VM that has two network interfaces. One interface is connected to our "public lan" that that the other Windows servers and end users are on. The other interface is connected to our "pr…

234 views

I have an old RHEL 5.11 with IP tables version 1.3.5 and I am looking at the output chain and this is what I see




what does this mean ? it is blocking all output or allowing all output ??

t…

227 views

Hello Experts,

I would like to run the following script from a directory other than root:

./wrapper-linux -m ./i86bi-linux-l3-adventerprisek9-15.4.1T.bin -p 2001 -- 1 > /dev/null 2>&1 & sleep 5…

536 views

So I have a pretty simple situation that apparently is very complex all because my production server has to be Red Hat six because of the software we use.  And apparently until Red Hat seven you could…

147 views

In my office one of the de-commissioned DB server hand over to me for the purpose of using other software like Apache.
when I see the details about network  in directory # /etc/sysconfig/network-scr

1145 views

Linux Networking : What is of bond interface & how it will be useful ?

Thanks for in advance ...

1853 views
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