-2
votes
1answer
21 views

TCP - MSS option and different payload

This is a tcpdump from servers side. In line 1 i see MSS=1400. Why server sent in line 6 a packet of 4230 bytes when client want max 1400?
-6
votes
0answers
28 views

Slowness in Mac-based business network [on hold]

My treatment room former dell PC/running vista business/ running the server and network versions of my Dental practice mgmt & X-ray capture apps, had no problems connecting to the front desk iMac ...
-2
votes
1answer
19 views

VPS Cron and other email going to spam folder [duplicate]

I have a new vps and I need to setup some cron jobs on it to notify me of what's happening on the server. I've tested with sendmail and emails are indeed leaving the server, but on my email they are ...
-2
votes
0answers
14 views

How to Purge Whole Domain Cache Via Curl Command? [on hold]

I am using Varnish Cache on Nginx. I want to create a php file that can purge whole domain's cache if I run it. How can I achieve that ? Thank you.
0
votes
1answer
5 views

Load for Xen units

I'm looking for a way to check load for Xen units on a xen Node run by Solusvm. I know OpenVZ can show container load in the solusvm panel. But if I go to load in svm for the Xen Node the load page is ...
-2
votes
0answers
25 views

Cloud based Virtualbox on EC2 or elsewhere? [on hold]

I tried to install Virtualbox on EC2, however it stated that it would not run in a Xen environment. Questions: Are there any EC2 instance types that it would work on? If not, what sort of instance ...
0
votes
0answers
7 views

How do I persuade xvfb to live stream a desktop in h264?

The current problem with VNC is that it doesn't work on Ubuntu Unity 3D desktops, so it's impossible to run a 'headless' box in EC2 and then have a full desktop experience via VNC. I wanted to see if ...
0
votes
1answer
18 views

vmware vsphere v6.0 free vs essentials kit vs. open source [on hold]

We wanted to download a trial of vsphere 6 essentials kit, but when you get a 60 day trail of vsphere, it doesnt include vcenter so you cant use the web control panel, and vmware client doesn't ...
1
vote
0answers
17 views

SSL Configuration failed in Apache after moving keys/certs to another machine

I'm in the process of moving my website to another server, and after moving the SSL key and certs and recreating the same Apache config, I encounter the following in the error logs at the time of ...
-1
votes
0answers
5 views

Howto enable spamassassin for specific user only

Is it possible some how to enable spam protection only for specific user? I want to test spamfilter first before enable it for whole server.
0
votes
0answers
8 views

ssh hanging, but *not* ServerAliveInterval

This is a new problem, but I have no idea what has brought it on. I have two local clients (Windows/Cygwin and Linux/SL6.6, on the same IP address behind NAT), both making ssh connections to the same ...
-1
votes
0answers
21 views

Save IP Camera stream with PC alternatives [on hold]

I need to purchase a pair of IP camera for my small office. The model we want supports H.264, MPEG-4 and MJPEG. The manual lists it supports OS windows xp/7/vista. We only run Linux in the office ...
0
votes
1answer
12 views

IP6Tables: How to enable external access to MySQL?

How to enable external access to MySQL with rules on ip6tables? I have tried to the rules below, where after inserted I get access, but when server restart the access remains blocked. :INPUT DROP ...
-1
votes
1answer
11 views

Link containers on cockpit

I think this is a pretty common scenario, but I don't seem to find a solution. Given: 1. A container with an application that requires a database, 2. A database container; I need to link those ...
0
votes
0answers
8 views

Sending XML Response When Maxed Allowed Connections Reached to Servlet

I have a requirement to limit the number of incoming connections, and if another connection is initiated as the limit is reached to send an XML response. This is for JBoss EAP 6, but a general ...
0
votes
1answer
39 views

System Information on terminal

This might come across as a silly question but is there any shell that will allow me to get the system information as the shell is active? What I mean is a shell like bash or similar that will show me ...
-1
votes
0answers
17 views

change root nginx if else condition [on hold]

server { listen 80; server_name test.test.com; if ($allow = no) { return 200 "The request was $uri"; } location / { root /root/serve/angel/; index index.html; } } ...
0
votes
0answers
19 views

VTP trunking not working for Cisco 4948 switch

I'm adding a new Cisco 4948 switch to an existing network that has a bunch of 3500 series switches already configured and working. I've verified the VTP domain and password are identical, tried ...
0
votes
1answer
7 views

Exception reporting with rsync backups?

I run rsync in the cron every 4 hours. This works well for backups, but it generates six messages a day to root for each successful backup. I know I can put the output to /dev/null not to get any ...
0
votes
0answers
10 views

MD RAID Array Often Starts Without All Drives

I find that, when I start/restart my system, my MD array often doesn't start with all of the drives even though the device-names haven't changed at all. I'll have to stop the array and reassemble it, ...
1
vote
0answers
13 views

SFP + Gmail = Emails delivered to spam box

A long time ago I posted a question here: Postfix: Gmail marking my email as spam where I said that although emails send from my servers were passing all the DKIM and SPF tests they were getting ...
0
votes
0answers
9 views

How to boot a mirrored drive with Ubuntu 14 and Grub 2

Several months ago I installed Ubuntu 14.04.2 Server (x64) with RAID 1 using the following instructions: https://help.ubuntu.com/lts/serverguide/advanced-installation.html I followed the ...
0
votes
1answer
20 views

Generating a CSR with a Multi-Domain Wildcard SSL

I tried Googling and haven't been able to find anything reliable that shows me how to generate the CSR. I have multiple domains, that I'd like added so I can't use the usual OpenSSL wizard: ...
0
votes
0answers
4 views

RHEL Cluster Failover doesnt write to syslog

I'm not a system administrator, so apologies if the questions seem basic or if any details are missing. We have 2 servers running on RHEL6. We have a single instance of a Java application running on ...
-3
votes
0answers
21 views

Do I need dedicated graphical card to get high resolution on monitor? [on hold]

Do I need dedicated graphical card in laptop to get high resolution when I connect monitor to this laptop? For eg. if I will connect monitor with 2560 x 1080, will not the integrated graphical card ...
-1
votes
1answer
29 views

How to schedule firewall to block wan connection on Windows 7 [on hold]

I have a camera on my pc. There are 3 NVR (network recorder ) on different network connected to my cam throug WAN connection. I need to block any NVR from accessing my camera in different hour, and ...
-2
votes
0answers
18 views

How to open a downloaded zip file in winzip 9.0? [on hold]

We are using ZipOutputStream for downloading a zip file. Iam having problems in opening this zip file in winzip 9.0 but the same fiel opens fine in winzip 8.0. But when i write the same file using ...
-3
votes
0answers
12 views

Active directory files and folders [on hold]

I went an interview for administrator, they have asked what happens after dcpromo, and what are files will create, what is the active directory physical storage structure & fSmo physical storage ...
0
votes
2answers
19 views

Linux Server Update Windows Server DNS (DHCP Not Windows)

I have Linux machines that are DHCP clients that have send hostname enabled but are not updating DNS on the Windows servers. DHCP is coming from the firewall, NOT Windows. Other windows machines ...
1
vote
0answers
36 views

ssh: transparent redirect of incoming connections based on host- or username [duplicate]

I have a Linux server with a single, static IPv4 address and several DNS entries pointing to the IP. The server hosts several Docker container, and listens on port 22 for incoming SSH connections. ...
2
votes
1answer
42 views

Windows Server 2012r2 virtualized domain controller

My work environment contain a single forest with two domains DomainA and DomainB. DomainA contain the following: DC01 holds all FSMO roles for the domain and forest, Global catalog and is forest ...
1
vote
0answers
13 views

Mounting encrypted Samba share (linux server/client)

I'm trying to set up encrypted samba access. In order to achieve that I've added 2 lines to [global] scope in smb.conf: server signing = mandatory smb encrypt = mandatory But unfortunately I can't ...
-2
votes
0answers
12 views

ESXi 5.5 - Management network with no gateway [migrated]

I'm setting up a test lab for VMware in Hyper-V. I have 3 vSwitches in Hyper-V: -EXT01 -INT01 -INT02 I've also created a W2K12 VM in Hyper-V which has the following roles installed: -AD/DNS -DHCP ...
0
votes
0answers
25 views

Most powerful intel based X86-64 server you can buy / make? [on hold]

I'm working on (writing actually) an application that by design is: Massively parallel Scales nearly linearly with thread count Can not scale to multiple machines Is heavily optimized toward intel ...
-2
votes
1answer
20 views

Can I install AdBlock as a proxy on Debian

I'd like to route PART of my incoming traffic through AdBlock. Is it possible to set up a proxy on my Debian server so that I can choose which traffic I want to have filtered?
-1
votes
0answers
15 views

Ghost platform compromised? [duplicate]

Digital Ocean reported that they detected Brute Force attack launched from my server. So when I did a lsof -i, I see lots of ghost user ssh2 connections. I have killed all the processes from the ...
0
votes
1answer
44 views

Starting to learn about IPtables, why do I need this rule?

I have been reading all day about IP tables, how the rules work, sets of rules for basic webservers, etc. Now I`m trying to configure my webserver with IPtables using this thread as a starting point: ...
-1
votes
1answer
15 views

Block all inbound ports except 80 in windows server 2012

I need to block all inbound ports except 80 in windows server 2012. We don't have a server administration in our company, I have tried researching for this but I could not find any simple answer for ...
0
votes
0answers
6 views

collectd: resolving a dns-address after changed IP behind

I've setting up a server which collects statistics of different other servers. I'm using the network plugin of collectd, so I configured the plugin network by setting up a listener. In my network I ...
-1
votes
0answers
7 views

dropbox_uploader upload in background?

i am trying to upload very large file to dropbox using dropbox_uploader , file size about 1TB , i want to execute upload process and close ssh console I've used this nohup ...
1
vote
0answers
20 views

How to scale up one container using Amazon EC2 Container Service

I am new using Amazon ECS and I would like to know how to set up services in order to scale up / down one container easily. Here is my project architecture: website: container with the website, ...
0
votes
0answers
16 views

What is the best way to mirror customer's website on our domain form SEO point of view. [migrated]

First of all - I'm absolutely new to SEO. We've lots of customers who mostly use few-pages-static-vcard websites. Lots of them has SEO problems. I'm going to suggest our customers to move their ...
0
votes
0answers
11 views

Apache2 Rewrite Rule - set a default directory

I'm trying to configure my Apache2. At the moment, when a user navigates to: http(s)://eamorr.com/whatever/ he is served pages from the directory /home/eamorr/eamorr.com/www/whatever (the "www" ...
0
votes
0answers
22 views

Upload large files with curl without RAM cache.

I'm using curl to upload large files (from 5 to 20Gb) to HOOP based on HDFS (Hadoop Cluster) as follows: curl -f --data-binary "@$file" "$HOOP_HOST$UPLOAD_PATH?user.name=$HOOP_USER&op=create" ...
0
votes
0answers
7 views

How to persist on a wifi network in a ubuntu machine?

I've got a Ubuntu machine running a software that requires internet. However, sometimes the wifi fails (router reboot for example) and doesn't find the network again, until I manually service ...
1
vote
0answers
15 views

Adding normal graph on memory usage per process to Zabbix

I need to monitor memory usage per process of processes on Linux. My monitoring tool is Zabbix. I found some links which describe how we can do it on windows. As an example I can refer to Host ...
0
votes
0answers
10 views

How to change the ssh host in Vagrantfile

I run vagrant(1.7.2) on Mac OS(10.10.3) with Snappy Ubuntu Core(15.04 stable), for docker, using VirtualBox 4.3.28 as a provider. It all went well before I configured the "public_network" in ...
0
votes
1answer
52 views

Why is FileZilla SFTP file transfer max capped at 1.3MiB/sec instead of saturating available bandwidth? rsync and WinSCP are even slower

I'm downloading from a server and downloads are maxing out at 1.3MiB/second with FileZilla but I can start concurrent downloads and they will download at 1.3MiB/second also. So why can't I download ...
0
votes
0answers
18 views

Nagios python plugin not working properly

I have installed ICINGA for monitoring my azure infradtructure. I want to monitor my DB Servers using python script which is here Now it is making connection to DB server but mode options are not ...
-2
votes
0answers
18 views

Hosting Suggestions? [on hold]

Can someone suggests some reasonably priced hosts that will have the following server specs available? Intel Dual Xeon E5-2620 2.0Ghz Hexa Core, RAM: 24GB, 4 250GB SSD RAID 10 configuration, OS: Linux ...

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