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  • Refining an AutoHotkey script

    - by roy2012
    The purpose of this script is: The first two rows of hotkeys always effective. The remaining hotkeys work at NO TEXT INPUT Status only. In other words, when the small vertical lines are flashing anywhere on the screen and waiting for input text / digital, press zxasq, the effect is equal to the normal original letters. How can I do that? Rwin::^space AppsKey::^w CapsLock::MButton z::PgUp x::PgDn *a up::send {shift up}{ctrl up}{LButton up} *a:: GetKeyState, LButtonState, LButton ; if LButtonState = U ; send {shift down}{ctrl down}{LButton down} ; return *s up::send {shift up}{ctrl up}{RButton up} *s:: GetKeyState, RButtonState, RButton ; if RButtonState = U ; send {shift down}{ctrl down}{RButton down} ; return *q up::send {shift up}{ctrl up}{MButton up} *q:: GetKeyState, MButtonState, MButton ; if MButtonState = U ; send {shift down}{ctrl down}{MButton down} ; return

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  • Highly Available Web Application (LAMP)

    - by Anthony Rizzo
    I work for a small company who provides a web application for thousands of users. Earlier this year they had one server hosted one company. We recently acquired another server in a different location with the hopes of one day making this a redundant failover machine. I understand what to do with the mysql replication, I plan on using a master-master replication setup, and rsync to sync the scripts and files, however I am at a stand still about how to configure the fail-over. Ideally I would like the two machines to accept requests, like a round robin dns, however if one machine goes down I do not want requests to go that machine. All of the solutions I am come across assumes high availability of servers in the same location, these servers are in two completely different locations with different public ip address. Any help would be great. Thanks

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  • What is the difference between a plain Amazon ec2 instance and beanstalk?

    - by Alex Ford
    I am a solo developer and the sites I'm deploying are very small, usually hobby sites and I have a few questions about the Amazon services. Is there a reason for me to use beanstalk or should I just stick with a single ec2 instance? Should I use RDS for database? I heard someone say that I could just install a database on my ec2 instance, making it cheaper. I'm trying to keep everything as cheap as possible. I need to point custom domains to my sites. Pretty sure that means I have to deal with elastic IPs. Do those work with beanstalk or only with individual ec2 instances? Thanks in advance!

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  • Shared storage for web cluster

    - by user52475
    Hi all! Have a big question about shared/clustered/distributed file system for storage. It will shared storage for shared web hosting (web files + maildir) and OpenVZ containers storage . Have any one working example of such system? The options are: Lustre GFS1/GFS2 - GFS2 - as I understand is EXPERIMENTAL... NFS This 3 systems which I consider for shared storage. Now I have storage with HW RAID 10 - 1TB. NFS - As I know there will be problem with locking? GFS/Lustre - problems when there will be a lot of small files , what is typical for hosting environment and problems with maildir.

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  • Dial-in VPN Routing issue when on 192.168.x.x network range

    - by Ian
    I'm not an expert on networks but have a small office on the 192.168.x.x. range which is managed by a vigor (2800) router. I have enabled the VPN dial-in option on the router so I can get to the server on 192.168.1.100 which works fine from my macbook when i'm NOT on a local network with that is on the 192.168.x.x range. e.g. works fine when I tether over my Android smartphone but when I try & connect when on my home network, it connects, I can access the router (192.168.1.1) but cannot access 192.168.1.100 - traceroute doesn't hop via 192.168.1.1 I have enabled "send all traffic over VPN connection but again, not joy... Feels like the osx platform isn't routing the traffic out to the vpn endpoint as the destination address is on the local subnet but expect it would be. This work fine on a windows PC on the same home network. Any thoughts on what the issue could be?

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  • How to debug high memory usage by registry?

    - by bkr
    I have a windows 2008 r2 server running ADFS2 and some web apps that is having issues with low memory. Digging around I found that the 5.5 GB were being used under Kernel Memory (paged). Further digging with Poolmon, I discovered that the majority of that (5GB+) was being used by CM - configuration manager. Also known as the registry. I'm really now sure how to tell why the registry is using so much memory however, or how to release it? Looking at the physical registry files they don't appear that large. EDIT #1 Using the powershell script @ http://jdhitsolutions.com/blog/2011/05/get-registry-size-and-age/ confirms what I saw looking at the physical registry files, that they're relatively small Computername : (removed) Status : OK CurrentSize : 67 MaximumSize : 2048 FreeSize : 1981 PercentFree : 96.728515625 Created : 4/1/2011 11:38:02 AM Age : 454.23:41:28.2540682

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  • Remove Outlook 2007 Calendar from Calendars List

    - by nmuntz
    In our company, we use personal folders with Outlook 2007 and make it the default method of downloading messages to keep our mailbox size on the server side small. Under calendar view, i see both calendars, my personal folder one and my server one. How can I remove from the list of calendars my server one since I do not use that one and it only creates confusion and problems such as adding entries onto that one instead of the other or disabling one and not getting alarms? I tried googling on it and read there is a utility to do that but couldn't find the name of it. Thanks in advance for your help.

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  • Radiation from a UPS

    - by Erel Segal
    In our office, there are frequent eletric shortages that harm my desktop computer, so I wanted to install a UPS. However, my office-mates pointed me to papers talking about hazardous radiation from the UPS. The UPS manufacturers themselves recommend to put the UPS several meters away from humans, which is not possible because our office is small (the power is about 0.5 meters from us). As an alternative to UPS, my office-mates recommended that I switch to a laptop, which has a battery so it's immune to shortages. I have several questions: Is it true that the radiation from a laptop battery is lower than the radiation from a UPS? They do just the same thing - supply power using a battery! If the answer to 1 is yes - is there an alternative way to attach a battery, similar to a laptop battery, to a desktop computer? If the answer to 1 is no - how can I prove this to my office-mates, so that they let me use UPS?

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  • Putting our OLTP and OLAP services on the same cluster

    - by Dynamo
    We're currently in a bit of a debate about what to do with our scattered SQL environment. We are setting up a cluster for our data warehouses for sure and are now in the process of deciding if our OLTP databases should go on the same one. The cluster will be active/active with database services running on one node and reporting and analytical services on the other node. From a technical standpoint I don't see an issue here. With the services being run on different nodes they shouldn't compete too heavily for resources. The only physical resource that may be an issue would be the shared disk space. Our environment is also quite small. Our biggest OLAP database at the moment is only about 40GB and our OLTP are all under 10GB. I see a potential political issue here as different groups are involved but I'm just strictly wondering if there would be any major technical issues that could arise from this setup.

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  • How do I create a free server-side database to be accessed via Windows forms and/or browser?

    - by NoCatharsis
    I have no formal education in databasing or programming, but I've learned enough SQL, C++, and C# to at least get started setting up a small database on my company's server. Using MS SQL Server 2008 R2, I have created the database and set up columns with proper data types. However, there seems to be a lot of tweaks and details that are way over my head. Since I would like these data to be accessible to the other 7 or 8 people in my office (preferably via web browser), I'm wondering whether this is the best setup for my situation. The other option I've read about is a LAMPP server, which I assume is the competing free option to Microsoft's Express packages. I know nothing of LAMP servers except from the articles I've read on how to set them up (and I believe I even saw a detailed tutorial somewhere). To summarize, my question is this: Which of these (or any other) server setups would best suit my purposes, keeping in mind that I'm a true novice (but willing to learn), and would like to keep it free until I get more experience?

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  • Ways to do simple failover with one server and two IPs

    - by CrassHoppr
    The setup is one server (Windows 2008) at one location with two incoming connections. As the server has to interface with various on-site devices, and will have a small number of incoming connections, a data center is not an option, and instead cable/dsl connections must be used. The goal is that users visit https://service.site.com and are sent to either the primary IP address or a secondary IP if the primary is down. I've seen advice to use round robin DNS for this, but caching an IP for a downed interface is something I'd like to avoid. Is something like this possible with these constraints?

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  • Behaviour of nginx as proxy

    - by HD
    I'm testing nginx with different configurations to replace an architecture working with squid + apache. I know that I can use nginx to manage static requests and load balancing but I'm interested in one particular solution that I don't understand clearly: I'm using 2 nginx servers (balanced) with the proxy_pass setting to pass all requests to an apache server. When one client makes a request to the site one of the nginx servers process it and send it to the apache server. Now, how this behaviour could be an improvement to my system?, it seems that all requests are passing through apache and I don't see benefit at all. What happens when 100 simultaneous connections pass through nginx? The 100 connections will be going to the apache server or is some kind of internal behaviour that allows an small impact into apache?

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  • How SSD hard drive affected speed of your website (asp.net/linq/ms sql database)

    - by Sergey Osypchuk
    I have a small database (<1G) But we have a lot of complex logi? in website and client complains on render time, which is 3-5 seconds. We are not google, and thousands of users a day is our dream, so size is not a problem, but speed is important. Can anybody share with experience with SSD drives for ASP.NET (MVC)/LINQ/MS SQL based application ? How you performance increased? UPDATE: this whitepaper states that it will be 20 times faster. http://www.texmemsys.com/files/f000174.pdf

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  • Windows Server vs Sharing

    - by Mark Lawrence
    Not sure if this is the right place for this question. I have a friend that owns a small business running 3 local machines, that are connected to the internet, and a server that each local machine connects to. He has recently bought a newer server, and by server I mean a Windows Vista box. He wants to use this purely to store data that the 3 local machines can access, kind of like a glorified external hard drive. Im suggesting to fore-go the server option and simply setup sharing on the 'server' box. Interested in hearing any suggestions as to whether the server idea is preferable?

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  • Chipset GPU causes a massive slowdown

    - by zyboxenterprises
    My AMD Radeon HD 7700 recently broke (fan stopped working and GPU overheated), and now I'm running on internal chipset graphics, and it causes a massive slowdown of the whole PC. I've changed the graphics memory from 32MB (minimum) to 256MB (highest), and it hasn't made any difference whatsoever. I'm using Windows Aero, and disabling it should have made a small difference, but it didn't; the whole PC is still slow. I know that it's not the computer build, because I built it myself, and it was a lot faster when it had the AMD Radeon HD 7700 in it, which is the reason why I believe it's the internal chipset graphics that are causing the problem. Is this behavior normal? I don't have the cash right now to go out and buy a new dedicated GPU. I'm using an ASRock N68C-GS FX motherboard with an AMD FX 4100 (overclocked to 4.3GHZ), with 4GB RAM. The overclock was an attempt to resolve this issue, and it isn't related to this issue that the integrated graphics is causing a slowdown.

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  • Looking for a central image database and tagging system for a group of users

    - by jstarek
    I'm doing IT support for a small volunteer organisation who needs to centrally store and organize around 2500 photos. Can anyone here recommend a database or similar system which matches the following criteria: Intuitive to use for users with little computer experience Multi-user support, ideally with integration in our existing LDAP user directory Should have a web-interface Not a hosted solution like Picasa (because we have a rather slow internet connection with very slow upload) Should allow tagging of images, sorting by various criteria and storing copyright information If there are native GNOME and/or Windows clients for the tool, that would be a great benefit. Many thanks in advance!

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  • script to automatically test if a web site is available

    - by Xoundboy
    I'm a lone web developer with my own Centos VPS hosting a few small web sites for my clients. Today I discovered my httpd service had stopped (for no apparent reason - but that's another thread). I restarted it but now I need to find a way that I can be notified by email and/or SMS if it happens again - I don't like it when my client rings me to tell me their web site doesn't work! I know there are probably many different possibilities, including server monitoring software. I think all I really need is a script that I can run as a cron job from my dev host (which is permanently running in my office) that attempts to load a page from my production server and if it doesn't load within say 30 seconds then it sends me an email or SMS. I'm pretty rubbish at shell scripting, hence this question. Any suggestions would be gratefully appreciated, thanks to all you clever sysadmin guys and girls out there :)

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  • Trigger ZFS dedup one-off scan/rededup

    - by Jake Wharton
    I have a ZFS filesystems which has been running for some time and I recently had the opportunity to upgrade it (finally!) to the latest ZFS version. Our data doesn't scream dedup but I firmly believe based on small tests that we could gain anywhere from 5-10% of our space back for free by utilizing it. I have enabled dedup on the filesystem and new files are slowly being dedupified but the majority (95%+) of our data already exists on the filesystem. Short of moving the data off-pool and then recopying it back, is there any way to trigger a dedup scan of existing data? It doesn't have to be asynchronous or live. (And FYI there isn't enough room on the pool to copy the entire filesystem to another and then just switch the mounts.)

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  • Accessing a shared folder using other credentials with Windows 7

    - by Nicolas Buduroi
    I was at a client office trying to connect to a shared drive on their network but was greeted by a "you do not have permission to access" error! Couldn't find any way to enter the required credentials as this message didn't had any other options. Tried to map the drive, selected the option to enter the correct credentials (with \\HOST\user) but it wouldn't work at all. The worst thing in all of this is that my coworker who is using OS X has been able to connect to that drive without any problem, he clicked on it, entered the credentials and could open the folder! The folder is shared by a Windows Small Business Server 2008 machine.

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  • bridge to share WiFi internet connection over eth0

    - by rubo77
    In this script there is implemented that you create a mesh network and connect other machines to your device to serve an internet connection with dhcp: echo "starting bridge to share internet connection over eth0" ifconfig eth0 up promisc brctl addbr br-freifunk brctl addif br-freifunk bat0 brctl addif br-freifunk eth0 echo "internet starting, this may take some minutes due to latency..." echo "(use" echo "tail -f /var/log/syslog" echo "in another window for debugging)" echo echo dhclient br-freifunk echo "The error 'Rather than invoking init scripts through /etc/init.d...' can be ignored:" dhclient br-freifunk # without bridge: dhclient bat0 This works fine with the freifunk-mesh network. But how can I serve internet in a normal case? I would like to connect to any open Wifi I find with my network-manager or wicd (yes, with the graphical GUI) and then start a small script that creates a bridge to my network-out on my laptop I use Ubuntu and my networkcards are eth0 and wlan0

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  • Quickly translate a word from English

    - by licorna
    I'm always reading English, but I'm a Spanish native speaker (I'm working on my thesis). Sometimes I need to translate a word into Spanish, and what I do now is to open a new tab and go to Google Translate and then put the word into the input field. Just a quick translation, one word or a small phrase. I'm a Mac and Firefox user. Is there a better way to achieve this? I was thinking that maybe a dashboard widget would do the trick and I was looking for one. The other option is to install the Google Toolbar, but I really hate toolbars. I don't know, a good Firefox extension maybe?

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  • include all vim files in a folder

    - by queueoverflow
    For my .bashrc I have a lot of small snippet files in .config/bash, like 10-prompt.sh and so on. In my actual .bashrc, I just have the following: configdir="$HOME/.config/bash" for file in "$configdir"/*.sh do source "$file" done I'd like to do the same for my .vimrc, but I am not that confident in VimL that I could write that. How would the snippet for .vimrc look like that includes all the snippets in a given subfolder? Ideally, I'd like to make a .vim/rc/ folder where I can put my snippets into.

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  • Resizing partition in VMware Fusion didn't work

    - by Robot
    I migrated a Parallels VM to VMware Fusion. That worked well, although the original partition size was way too small (8GB). Following some instructions from VMware, I used the Fusion GUI to extend the size of the disk to 20GB, and then I booted from a GPartEd LiveCD to grow the C: partition to the full 20GB. That seemed to work, and I can see that the disk is 20GB in Disk Manager, but it still thinks the actual partition is 8GB. Here is a screenshot of it. What can I do to get the entire 20GB usable?

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  • Putting servers inside a refrigerator? [closed]

    - by Muhammad Jamal Shaikh
    It could be a silly question, but I decided to go for it. I shall be buying 3 servers in the next few weeks to set up a small webfarm at my home. I am told by different people who work in server rooms, that I should keep my servers in an air conditioned room. Which is really expensive, because the temperature here in south asia is between 10 to 50 degrees C. Here comes the funny part: I have an extra fridge in my home, why shouldn't I put the servers inside that fridge? Benefits: I don't have to buy the air conditioner. I don't have to buy the rack mount for the servers. The electricity consumed by the fridge is much much less than AC. Give me your suggestions!

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  • Configure Postfix for outgoing mail

    - by Savvas Sopiadis
    I have the following scenario i must implement using Postfix (but don't know how to begin): Say we have a domain aaa.com which is hosted somewhere (this is already functioning without any problems). On this envirnoment there is already a Mail server though which we can send and receive mail (this mail server is limiting us to a very small number of emails/day). Now we have setup a VPS (virtual private server) on which we installed Postfix, which sole porpuse is to send emails on behalf of domain aaa.com. The Postfix server will be used by a program like Outlook to send the email. What configuration has to be done? (i 'm a bloody beginner in this field!) Thanks in advance

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