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• Export a single layer as an image in Photoshop

  - by wrburgess

  I have a lot of designers send me layered PSDs of their designs and I need to break out the pieces of the designs to place on web pages. I can do a decent number of things in Photoshop, but I'm hardly efficient with it. My old way of just copying the image that's in a layer and pasting into a new image seems to take forever as I screw around with cropping and such. I've got Photoshop CS5, so I don't need external software to do anything, but I just need to figure out how to take a single layer, that may hold something small like an icon, and export it as a PNG or JPG. I am aware of the script called "Export Layers to Files" but it took about an hour and exported ALL of my layers to a huge number of files. I wasn't looking for a solution that broad. Is there an easy way to do this?

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• Testing domains on intranet/local network?

  - by meder

  This may sound like a very silly question, but how could I setup domains ( eg www.foo.com ) on my local network? I know that all a domain is, is just a name registered to a name server and that nameserver has a zone record, and in the zone record there are several records of which the A Record is the most important in dictating where the lookup goes to, which machine it should point to. I basically want to make it so that I can refer to my other computer/webserver as 'www.foo.com' and make my local sites accessible by that, mess with virtualhost records in Apache and zone records for the domain except locally so I can explore and fiddle around and learn instead of having to rely on the domains I own on a public registrar that I could only access through the internet. Once again I apologize if this is a silly question, or if I'm completely thinking backwards. Background information: My OS is Debian, I'm a novice at Linux. I've done very small edits in zone records on a Bind9 Server but that's the extent of my networking experience.

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• Chromium always starts as floating in awesome.wm

  - by xhochy

  I'm using awesome as window manager for a small surf&info terminal. Chromium is started directly after login on the first workspace and should be displayed fullscreen. I've set the layout of all workspaces to awful.layout.suit.max and followed Awesome FAQ so that Chromium and all other (automatically) started programs will be shown on the right workspace. All programs except Chromium will start correctly in fullscreen mode. I tried { rule = { class = "chromium-browser" }, properties = {floating = false, tag = tags[1][1]}} and { rule = { class = "chromium-browser" }, properties = {tag = tags[1][1]}} but Chromium will always start in floating mode. This is a bit annoying as you still see awesome's panel at the top.

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• Chatbox/shoutbox/forum with the following features.

  - by Mick

  I would like to set up a simple forum for a small number of users. The features I would like are the following, in order of priority: logging on not compulsory for posting. A single thread. All the messages are immediately visible - no need to "open" them. most recent message at the top by default. The ability to give selected users the power to delete spam messages. The ability to upload photos. Avatars. Configurable skins/size/shape. So far the closest I have come is www.tag-world.com but there are no avatars and no photos.

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• SBS 2008 DNS issues in BPA

  - by evesirim

  I'm gettng constant Critical Issue events in the Small Business Server Best Practices Analyser & resulting SBS Console reports that begin "The DNS client is not configured to point only to the internal IP address of the server.". When I check the DNS Manager, there are two separate IPs listed, one ***.***.***.2 and the other ***.***.***.28. I have checked online after an ipconfig /all and have found the reason for this to be that the second IP is created by DHCP for RAS & VPN purposes. It seems to cause no conflicts of any detrimental result apart from constantly sending me error messages and alerted reports. Does anyone know of a way that I can change settings somewhere so that Windows accepts this second IP, or at least stops alerting me of its prescence? Perhaps a registry hack of some kind...? Many thanks in advance

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• Toolkit & Habits for Linux Network & System Administration [closed]

  - by slashmais

  I am tasked with the administration of a small office network as well as several workstations running mostly Debian and Ubuntu. There are two servers: one database & print-server, and one backup & file server. Being relatively new to this side of things, knowing enough to help myself to some degree on Linux, I would like to know what software tools and tasks/habits I can use/acquire to learn this field and be effective while doings so. I don't need to know what is the best, just what a newbie sys-admin can use as a starter-pack to learn and use as a base to grow into proper system administration. [edit] What I need is those few basic tools to start with, and the kind of things I need to do regularly, e.g.: which logs to check, when & what to monitor, the kind of 'right' place to start and to which I can ad as I need.

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• Samba4 advice for production use

  - by pgb

  I have an old Samba 3 + LDAP server installed that needs to be rebuilt. I'm weighting my options, and Windows Server seems too expensive at the moment, and Samba 4 appeared to be a nice option, coupled with the last Bind 9 that can dynamically add the computers to the DNS. I have about 30 workstations, so I still consider it a small network. My questions are: Is Samba 4 stable enough for production? It seems as if the Samba team is too cautious on when to call their version final, or even beta, as compared with other open source projects. What Linux distribution would you recommend to set it up? I usually use Ubuntu Server, but may use another one if installing / maintaining Samba 4 is better on that one.

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• Strange strace and setuid behaviour: permission denied under strace, but not running normally.

  - by Autopulated

  This is related to this question. I have a script (fix-permissions.sh) that fixes some file permissions: #! /bin/bash sudo chown -R person:group /path/ sudo chmod -R g+rw /path/ And a small c program to run this, which is setuided: #include "sys/types.h" #include "unistd.h" int main(){ setuid(geteuid()); return system("/path/fix-permissions.sh"); } Directory: -rwsr-xr-x 1 root root 7228 Feb 19 17:33 fix-permissions -rwx--x--x 1 root root 112 Feb 19 13:38 fix-permissions.sh If I do this, everything seems fine, and the permissions do get correctly fixed: james $ sudo su someone-else someone-else $ ./fix-permissions but if I use strace, I get: someone-else $ strace ./fix-permissions /bin/bash: /path/fix-permissions.sh: Permission denied It's interesting to note that I get the same permission denied error with an identical setup (permissions, c program), but a different script, even when not using strace. Is this some kind of heureustic magic behaviour in setuid that I'm uncovering? How should I figure out what's going on? System is Ubuntu 10.04.2 LTS, Linux 2.6.32.26-kvm-i386-20101122 #1 SMP

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• How to redirect (or Alias) jump page with Apache

  - by Meltemi

  I'm not an Apache expert but need to make a small change to a web server. We are introducing a "jump page" URL that is different from a primary URL (for tracking reasons). /productA/index.html /productA/jump_index.html Basically i want to log that jump_index.html was requested and then return index.html. I don't want the client to wait 8 seconds or so for a redirect. How should we be handling this? Simply symlink (or alias) the file in the filesystem? Use mod_alias Alias Match (if so how exactly)? something better still?

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• Recommendations needed for email server and file sharing solutions.

  - by Abeansits

  I work at a relatively small company, around 30 people and we are now looking into a solution that can handle: File sharing. Email server. Calendar support. Around 30 users. Accessible from external network. Support for Windows XP (and above), Mac OS 10.6.3 and Ubuntu clients. When it comes down to security we don't have the experience to comment on that. I guess the de facto standard is good enough for us. Sorry if this is formulated as a n00b question, because it is. =) Any kind of pointer in the right direction will be appreciated. Thanks in advance! //Abean

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• Network architecture when using Rackspace's Cloud

  - by brianz

  I'm planning on launching a web application soon, and have decided on using Rackspace's Cloud offering with Debian. I'm not expecting that much traffic to start, but would rather get the architecture correct now even with the small VPSs. The thing I'm not quite sure about is how many VPSs I should get. At a minimum, I know I'll want three VPSs: Two Apache webservers One server for MySQL I'd also like: Nginx load balancer MySQL replication memcached I'm not sure where those last three processes should be running. Can the load balancer run on the same machine as the MySQL slave, or should they each run on their own machine? Does memcached run alongside the webservers or on different machines?

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• In *nix, how to determine which filesystem a particular file is on?

  - by smokris

  In a generic, modern unix environment (say, GNU/Linux, GNU/Solaris, or Mac OS X), is there a good way to determine which mountpoint and filesystem-type a particular absolute file path is on? I suppose I could execute the mount command and manually parse the output of that and string-compare it with my file path, but before I do that I'm wondering if there's a more elegant way. I'm developing a BASH script that makes use of extended attributes, and want to make it Do The Right Thing (to the small extent that it is possible) for a variety of filesystems and host environments.

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• X-ming, Ubuntu apps - getting the Ubuntu style/theme to load

  - by user5402

  I am running X-ming on Windows 7 and using putty to ssh into an Ubuntu system. On the Ubuntu system I use the command: $ gnome-terminal & to display a terminal back on the Windows box. When I do this I don't get the standard Ubuntu style, i.e. dark purple background, Mono font, solid cursor (which I've configured in the Gnome Control Center.) Instead I get a very plain style - white background, blinking cursor, very small font. However, if I run gnome-control-center and then click on, say, the Keyboard icon, the terminal window will be reconfigured with the Ubuntu style with my customizations (e.g. block cursor vs. blinking cursor.) Just starting one of the control applets seems to trigger this style change. My question is: How can I trigger this style change more directly - without having to launch the Gnome Control center and launching one of the configuration applets?

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• How can you test communication on a COM/Serial port?

  - by Andy

  We have a OHAUAS Weighting scales with a COM port. if we connect this to a PC we should be able to get the weight on the computer by sending a command to it. Is there a way to test this? i tried the command line echo "LP" com1 but this does nothing. A small C# application that listens to this port seems to be continuously receive Hexadecimal numbers (2 digits then an enter), however sending a command through this application doesn't give readable results. When i do listen on the port though, the echo "LP" com1 command gives an unavaible error, so sending the command works in cmd. Does anyone have any knowledge on a simple way to test a send and receive on a com port?

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• VirtuaWin shows Visual Studio 2010 in all Desktops

  - by w0lf

  I'm using VirtuaWin in Windows 7 to have virtual desktop functionality and I think this program is awesome. There's one small issue, though: on the computer at work, when moving to another desktop it hides all windows in the current desktop, except any windows of Visual Studio 2010. This means that VS 2010 shows up in all desktops, while for all other windows, VirtuaWin applies the correct behavior. The strange thing is that this issue happens on one computer only; on the others I have it works OK. I have checked the Window Rules section and nothing seems strange in there. Is anyone else experiencing this kind of problem? Any ideas on how to solve it?

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• Jenkins shows same information for all projects

  - by SuperCabbage

  I've been using Jenkins for the last month or so and what started out as a small issue has gotten worse and worse. I have 10 projects in Jenkins, all polling from different Git repos and building to different environments but they all show the same details on the dashboard. I can still build the projects, but I have to manually enter the URL to see any console output etc. I'm running 1.536 under Ubuntu 12.04, there's not much in the logs other than the following; Oct 22, 2013 2:21:19 PM WARNING jenkins.model.lazy.AbstractLazyLoadRunMap search JENKINS-15652 Assertion error #1: failing to load /data/builds #20 EXACT: lo=23,hi=9,size=23,size2=23 – Any ideas?

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• bash starts replacing the characters on the current line insead of moving over to the next line

  - by Lazer

  I use bash shell $ bash --version GNU bash, version 3.2.25(1)-release (x86_64-redhat-linux-gnu) Copyright (C) 2005 Free Software Foundation, Inc. $ Sometimes, when typing a command on the prompt that is pretty lengthy and does not fit in the current line, instead of displaying the extra characters on the next line, bash starts again on the current line.. replacing the characters that were there and making a mess. what should happen : |---------------------------------------------| | $ my big long command takes a lot of argumen| | s and does not fit in a single line | | | |---------------------------------------------| what happens instead : |---------------------------------------------| | s and does not fit in a single linef argumen| | | | | |---------------------------------------------| The issue is intemittent If I resize my shell window to really small width, normal behaviour is restored Does anyone have any idea what is happening here? $ echo $TERM xterm $ echo $PS1 \[\e[30m\][\t]\[\e[0m\]\[\e]0;\w\a\]\[\e[30m\][\W]$ $

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• Dell powerconnect 6224 vlan routing

  - by user1007727

  I have a small network and I need help with routing .. . My VLANs VLAN 1010 SALES VLAN 1020 HR I have assigned the above vlans to a tagged port and I have added a default route to send the traffic of to my firewall. ip route 0.0.0.0 0.0.0.0 10.10.10.10 I have added a new vlan VLAN 1030 Services and I would like its traffic to go to a different interface on the firewall, 10.10.10.20 how can I go about doing that? can someone give me an example? your help is highly appreciated. Thank you

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• "EISA Configuration" partition

  - by jpbochi

  I have a new Alienware M17x running Vista x64. I just found out that it came with a misterious "EISA Configuration" partition. On Disk Management, my Disk 0 tells me that my HD has about 300 GB. The EISA partition has 12 GB. That's big enough to know why is it there. So, this is more of a bundle question. What is this "EISA Configuration" partition? Is it safe to remove it somehow? If so, how can I delete it? I mean join it with the primary partition, or set it as a secondary small partition.

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• Running own DNS Server for learning purpose

  - by sundar22in

  I would like to run my own DNS server in my laptop for learning purpose. I recently used Google Public DNS and liked it. I wanted to build some thing similar and small for my web browsing. What I vaguely dream of is to use my own DNS server as Primary DNS server and Google public DNS as secondary DNS server. I would like to build my own DNS server gradually by editing the configuration files (If it can be automated it will be great, but have no clues there). Sometimes it sounds like a stupid idea to me, but I am fine with editing config file for each site I want to add to my DNS server. Any pointers/suggestion is welcome.

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• What is the best OS for a server hosting a simple Ruby on Rails based pastebin

  - by Koning Baard XIV

  I have created a simple pastebin in Ruby on Rails and Python. I want to host it in an intranet and it will have like about 1000 users. I want to use one Apache server with a cluster of Mongrel servers. The server itself is a 2 GHz Intel Centrino with 2 GB RAM. What do you think is the best OS to host this? I thought about Damn Small Linux or a custom LFS system. Ubuntu servers come with loads of stuff I don't need. Maybe there are some better OSes? It must be capable of: Running Apache Running Ruby Running Python Running Mongrel with Ruby on Rails SSH Can anyone reccomend me one? Thanks. PS: I am not going to run Windows Server or Mac OS X Server (Mac's are expensive).

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• vim command palette, similar to sublime text

  - by user137369

  In sublime text, we can press ??P to bring up the command palette. Are there any similar tools for vim? I’ve been trying vim-ctrlp-cmdpalette, and although it works relatively well (there are some small issues), it depends on ctrlp (not a huge problem), and it looks like it won’t see much development (it has 14 commits over the course of 3 days, 5 months ago, for an “Initial experimental version”), so I was wondering if there are any known alternatives, since searching for “vim command palette” is a bit limiting; maybe there are some other terms more appropriate for this.

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• Hot video card in server

  - by DougN

  Not sure if this belongs here or Superuser (I looked at Superuser -- suspect there are more hardware gurus here). I have a server that sits in a cabinet. It's connected to a small screen that is normally off. However, the video card is running at about 210 F all the time. The rest of the PC is pretty cool (getting temps from SpeedFan). Any thoughts on a way to quiet/calm/cool the video card since it's never really doing anything anyway? I'm usually logged out on the server, and no screen saver defined. Windows is already set to turn off the screen for power saving at 5 minutes.

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• monitoring TCP/IP performance on Solaris

  - by Andy Faibishenko

  I am trying to tune a high message traffic system running on Solaris. The architecture is a large number (600) of clients which connect via TCP to a big Solaris server and then send/receive relatively small messages (.5 to 1K payload) at high rates. The goal is to minimize the latency of each message processed. I suspect that the TCP stack of the server is getting overwhelmed by all the traffic. What are some commands/metrics that I can use to confirm this, and in case this is true, what is the best way to alleviate this bottleneck?

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• Hosting provider that allows you to host your own VM image?

  - by Timo Geusch

  I've already looked at the 'Best Hosted VM Provider' question and checked the recommendations there, but I seem to have slightly odd requirements. Basically, I am looking for a host that allows me to host a VM image I supply (FreeBSD, which most of the suggested hosters don't support, they only seem to support various Linuxes) instead of one of their standard images. I'm a long time BSD user and have had colo BSD servers in the past so I'm pretty sure that i don't need much in the way of software support, but I'd basically like to run my server on managed hardware without having to rent the whole server. For the usage I have that would way OTT as we're talking a couple of small apps with very few users, a couple of blogs and (most importantly) email hosting for about 6-10 domains with moderate traffic levels. Oh, and reliability trumps cost to a certain extent.

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