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• Performance difference between compiled and binary linux distributions/packages

  - by jozko

  I was searching a lot on the internet and couldn't find an exact answer. There are distros like Gentoo (or FreeBSD) which does not come with binaries but only with source code for packages (ports). The majority of distros uses binary backages (debian, etc.). First question: How much speed increase can I expect from compiled package? How much speed increase can I get from real world packages like apache or mysql? i.e. queries per second? Second question: Does binary package means it does not use any CPU instructions that was introduced after first AMD 64bit CPU? With the 32bit packages does it mean that the package will run on 386 and basically does not use most of the modern CPU instructions? Additional info: - I am not talking about desktop, but server environment. - I dont care about compile time - I have more servers, so speed increase more than 15% is worth for using source code packages - Please no flamewars. Thank you very much

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• Tweaks on nvidia-settings only working when the program is opened

  - by Igoru

  I have two monitors. The master one (17") is 1yo, and the secondary (15") is really old, like 4yo. This old screen is having problems displaying colors... They are a little bit darker, what is a problem when I'm viewing pics. I have a GeForce 9800, so I changed some settings inside nvidia-settings, that fit better with this second screen. But those settings just are applied when I first open nvidia-settings. First time I configured this, it worked. I turned off computer, next day turned it on, and screen is dark again. As soon as I open nvidia-settings again, the screens get lighter again! How can I make those settings permanent and loaded at startup?

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• How to backup blog running on posterous.com

  - by Martin Vobr

  I'd like to backup content of my blog which is powered by posterous.com. I'd like to save all texts and images to the local disk. Ability to browse it offline is a plus. What I've already tried: wget wget -mk http://myblogurl It downloads the first page with list of posts, then stops with "20 redirections exceeded" message. WinHttpTrack It downloads the first page with redirection to the www.posterous.com home page instead of real page content. Edit: The url of the site I'm trying to backup is blog.safabyte.net

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• Does a router have a receiving range?

  - by Aadit M Shah

  So my dad bought a TP-Link router (Model No. TL-WA7510N) which apparently has a transmitting range of 1km; and he believes that it also has a receiving range of 1km. So he's arguing with me that the router (which is a trans-receiver) can communicate with any device in the range of 1km whether or not that device has a transmitting range of 1km. To put it graphically: +----+ 1km +----+ | |------------------------------------------------->| | | TR | | TR | | | <----| | +----+ 100m+----+ So here's the problem: The two devices are 1km apart. The first device has a transmitting range of 1km. The second device only has a transmitting range of 100m. According to my dad the two devices can talk to each other. He says that the first device has a transmitting and a receiving range of 1km which means that it can both send data to devices 1km away and receive data from devices 1km away. To me this makes no sense. If the second device can only send data to devices 100m away then how can the first device catch the transmission? He further argues that for bidirectional communication both the sender and the reciver should have overlapping areas of transmission: According to him if two devices have an overlapping area of transmission then they can communicate. Here neither device has enough transmission power to reach the other. However they have enough receiving power to capture the transmission. Obviously this makes absolutely no sense to me. How can a device sense a transmission which hasn't even reached it yet and go out, capture it and bring it back it. To me a trans-receiver only has a transmission power. It has zero receiving power. Hence for two devices to be able to communicate bidirectionally, the diagram should look like: Hence, from my point of view, both the devices should have a transmission range far enough to reach the other for bidirectional communication to be possible; but no matter how much I try to explain to my dad he adamantly disagrees. So, to put an end to this debate once and for all, who is correct? Is there even such a thing as a receiving range? Can a device fetch a transmission that would otherwise never reach it? I would like a canonical answer on this.

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• how do i set index priorty on nginx in order to load index.html before wordpress' .php files

  - by orbitalshocK

  hello there, gents. I'm an absolute beginner in linux, the CLI, as well as nginx and wordpress. i'm trying to make a 'coming soon' landing page that will take priority over the main wordpress installation i just set up. I want to make .html load before php, or get information on the Best Practices approach to this. I just now realized i could easily use the wordpress' generic "under construction" page and modify it. I'm sure it has one; i'm sure there's a plugin. Stats linode 1024 ubuntu 12.04 nginx 1.6.1 single wordpress installation (for now) set up using easyengine, but going to restart and configure nginx for my linode specifically probably. I managed to find one piece of instruction on how to change the httpd file to specify priority for apache 2, but did not find the same documentation for nginx. If it's not on the first page of google, then serverfault needs the question answered! Viva la Server Fault first page results!

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• Automatically insert cell references from one sheet into other in Calc

  - by user123456

  I have spreadsheets in OpenOffice.org Calc that consist of the first sheet and an arbitrary number of additional sheets, each collecting data for a specific month. The Month sheets have an identical structure. The first sheet is supposed to provide an overview to the most important numbers in the month sheets. Whenever I add a Month sheet, I want it to appear automatically in the Overview sheet with the structure given below. So, for each Month sheet, copy or reference some of the cells into the Overview sheet: {Referenced Sheet Name} | Fixed Header1 | Fixed Header2 | Fixed Header3 Fixed Label 1 | {CellRef 1} | {CellRef 2} | {CellRef 3} Fixed Label 2 | {CellRef 4} | {CellRef 5} | {CellRef 6} I know how do to this for just one sheet by hand, but I have no clue how to make Calc do this automatically for me. Is it possible at all? Any help appreciated.

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• Operation System Clone from a Motherboard to Another

  - by Devian

  Lately we had an idea with my Family of building a Super Computer from Scratch. So while we were planning on building our setup, one idea came to my head that it seems possible but i want also your opinions. Lets say that we have 2 ATX Motherboards and 1 MicroATX. Motherboard Setup: 1x ASUS Rampage Extreme Black Edition 1x Intel Core i7 4960x 4x GTX Titan 8x 8GB 1866 Ram Motherboard Setup: 1x SuperMicro X9DRG-QF 2x Intel Xeon E7-8890V2 1x nVIDIA QUADRO K6000 4x nVIDIA Tesla K40 128 GB 1866 Ram And imagine a Solid State Drive with a Switch connected to both of the MotherBoards Can i edit & copy all the data of The first motherboard's RAM to The Other's to be able to continue operating my current Operation System after switching the SSD to the Second Motherboard, from the Second MotherBoard and vice versa? Les say my "Switch Application" modifies everything the Kernel needs to believe nothing happend and continuing its operation from the same point the first motherboard stopped. (Changes on the Device List, CPU Cores, Drivers... etc)

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• Invalid BOOT.INI (dual boot XP with 7)

  - by Muxa

  I had Windows XP x64 as my main system, and i also had a second partition with Windows XP x64. Both booted from first partition (C:) I then installed Windows 7 Ultimate on the first partition. I've added NTLDR using BCDRDIT. I've also copied NTLDR, NTDETECT.COM and BOOT.INI onto the drive where XP remained. However then i try to boot into Windows XP x64 i get Invalid BOOT.INI file Booting from c:\windows\ NTDETECT failed I found instructions on how to fix it using a boot disk, however the partitions are on a software RAID. I've tried to boot from a customized XP CD with the drivers, however it does not offer me a Repair option for some reason - just setup. Partitions that i have:'= System Reserved Main (Windows 7) Secondary (Windows XP x64) Here's the contents of my BOOT.INI: [boot loader] timeout=30 default=multi(0)disk(0)rdisk(0)partition(3)\WINDOWS [operating systems] multi(0)disk(0)rdisk(0)partition(3)\WINDOWS="Windows XP Professional x64 Edition" /fastdetect

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• Bash Completion Script Help

  - by inxilpro

  So I'm just starting to learn about bash completion scripts, and I started to work on one for a tool I use all the time. First I built the script using a set list of options: _zf_comp() { local cur prev actions COMPREPLY=() cur="${COMP_WORDS[COMP_CWORD]}" prev="${COMP_WORDS[COMP_CWORD-1]}" actions="change configure create disable enable show" COMPREPLY=($(compgen -W "${actions}" -- ${cur})) return 0 } complete -F _zf_comp zf This works fine. Next, I decided to dynamically create the list of available actions. I put together the following command: zf | grep "Providers and their actions:" -A 100 | grep -P "^\s*\033\[36m\s*zf" | awk '{gsub(/[[:space:]]*/, "", $3); print $3}' | sort | uniq | awk '{sub("\-", "\\-", $1); print $1}' | tr \\n " " | sed 's/^ *\(.*\) *$/\1/' Which basically does the following: Grabs all the text in the "zf" command after "Providers and their actions:" Grabs all the lines that start with "zf" (I had to do some fancy work here 'cause the ZF command prints in color) Grab the second piece of the command and remove any spaces from it (the spaces part is probably not needed any more) Sort the list Get rid of any duplicates Escape dashes (I added this when trying to debug the problem—probably not needed) Trim all new lines Trim all leading and ending spaces The above command produces: $ zf | grep "Providers and their actions:" -A 100 | grep -P "^\s*\033\[36m\s*zf" | awk '{gsub(/[[:space:]]*/, "", $3); print $3}' | sort | uniq | awk '{sub("\-", "\\-", $1); print $1}' | tr \\n " " | sed 's/^ *\(.*\) *$/\1/' change configure create disable enable show $ So it looks to me like it's producing the exact same string as I had in my original script. But when I do: _zf_comp() { local cur prev actions COMPREPLY=() cur="${COMP_WORDS[COMP_CWORD]}" prev="${COMP_WORDS[COMP_CWORD-1]}" actions=`zf | grep "Providers and their actions:" -A 100 | grep -P "^\s*\033\[36m\s*zf" | awk '{gsub(/[[:space:]]*/, "", $3); print $3}' | sort | uniq | awk '{sub("\-", "\\-", $1); print $1}' | tr \\n " " | sed 's/^ *\(.*\) *$/\1/'` COMPREPLY=($(compgen -W "${actions}" -- ${cur})) return 0 } complete -F _zf_comp zf My autocompletion starts acting up. First, it won't autocomplete anything with an "n" in it, and second, when it does autocomplete ("zf create" for example) it won't let me backspace over my completed command. The first issue I'm completely stumped on. The second I'm thinking might have to do with escape characters from the colored text. Any ideas? It's driving me crazy!

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• Getting back the old alt-tab windows switching behavior in Windows 7?

  - by Carlos A. Ibarra

  When you run more than 6 applications on Windows 7 and you press alt-TAB, icons representing the first 6 applications and the desktop appear on the first row of the grid and you can cycle with alt-TAB-TAB... through the 6 most recently used windows the usual way, but the 7th and other less recently used windows don't follow the same rules. Instead they get grouped together according to their application but disregarding whether they were recently used or not. This new behavior is mentioned here. I am very used to the old way of cycling and the new system is driving me crazy. I tend to have 20 or so windows open at one time and I frequently need to alt-tab to the 7th or 8th window on the stack but it doesn't work the same anymore. Does anyone know how to put back the old behavior, so that alt-tab-tab-tab... goes through the whole list in most-recent to least-recent order?

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• Vim's relativenumber setting and multiple buffers

  - by connrs

  I like the relative number setting. I'm refactoring code at the moment (translation: explodicating 5 year old terrible methods and replacing them with nice code) and I find it useful to have the setting active on files as I open them I frequently either open multiple buffers or use a client/server vim to contain all my open buffers/files and have noticed that the relative number only seems to apply to the first buffer (and not the remaining buffers when I have set rnu in my .vimrc file.) Is it expected behaviour for rnu to only initially apply to the first buffer until you manually set it?

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• Allow and restrict remote sql server access

  - by Michel

  Hi, I want to expose my sql server instance via the internet. I've been programming asp.net to sql server for a long time, but for the first time i'm hosting the sql server myself instead of the clients server. So what i want to do is move my sql server from my dev machine at home to a virtual server (yet to hire). But of course i don't want anyone to just enter my sql server but just a few persons. So what i was thinking was to allow only a few ip addresses to the sql server instance. Can anyone tell me how i can expose my sql server to the internet and limit the access to the instance to only a few ip addresses? And ehm, if you know even better ways to secure it, i'd be happy, because this is the first time for me :) Michel

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• Backup Exec 12.5 or 2010? [closed]

  - by Chris Thorpe

  Backup Exec 2010 has just dropped, and I'm about to implement a new BEWS infrastructure, complete with CALs and new central servers. When I specced this up last year, I ignored 2010 and focused on Backup Exec 12.5, since it's a mature product. In previous experience, major released of BE had numerous technical issues and seemed to improve significantly at the first service pack. However, our refresh cycle on the backup infrastructure is slow, the main driver usually being lack of support for some new server type (in this case, ESX has driven our current upgrade need). With this in mind, I'm wondering if Backup Exec 2010 should be my first choice, as it'll last longer under current support than 12.5, which will approach EOL soon. Has anyone got any perspective they could add to this? Right now, I'm leaning towards biting the bullet and going with 2010.

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• gnu screen - mouse does not work in nested screen session

  - by Matthew

  I started a screen session inside another screen session, both on my local machine. This is using cygwin, but I don't think it matters. I have tried via ssh to a real unix machine but the behaviour is the same. Mouse works great in the first screen session, I'm able to open vim with :set mouse=a and I can click to move the cursor or switch tabs, and the mouse wheel scrolls. But in the nested session it does not work, mouse is only useful for selecting terminal text that gets put in the clipboard, but is not able to interact with vim. I want this to work because I usually work with a local screen session, then ssh to a remote server and have a remote screen session running too (hence the nesting) and I like to scroll swiftly in vim by using the mouse wheel. Can anyone tell me why the mouse works in the first layer of screen but not in the second, nested screen session, and how I can make it work? Thanks in advance, Matthew

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• Configuring HAProxy with memcache with failover

  - by Lawrie Matthews

  I'm configuring a new set of servers for an existing Wordpress site, and it's been requested that memcache be available and made more resilient. The idea proposed is to have HAProxy send requests to one of the two servers; if that memcache instance is inaccessible, then it should switch to the second, but should not switch back to the first if it comes back up unless the second is then unavailable. This doesn't appear to be a particularly common use case and I've not found much along these lines except to possibly set up the first node with an enormous rise value, such as: server server1 10.112.58.16:11211 check inter 5s fall 3 rise 99999999 server server2 10.112.58.19:11211 check backup which falls over as expected when server1 is unavailable. It won't ever fall back to server1, though, even if server2 goes offline. Can this be made to work?

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• How do I parse file paths separated by a space in a string?

  - by user1130637

  Background: I am working in Automator on a wrapper to a command line utility. I need a way to separate an arbitrary number of file paths delimited by a single space from a single string, so that I may remove all but the first file path to pass to the program. Example input string: /Users/bobby/diddy dum/ding.mp4 /Users/jimmy/gone mia/come back jimmy.mp3 ... Desired output: /Users/bobby/diddy dum/ding.mp4 Part of the problem is the inflexibility on the Automator end of things. I'm using an Automator action which returns unescaped POSIX filepaths delimited by a space (or comma). This is unfortunate because: 1. I cannot ensure file/folder names will not contain either a space or comma, and 2. the only inadmissible character in Mac OS X filenames (as far as I can tell) is :. There are options which allow me to enclose the file paths in double or single quotes, or angle brackets. The program itself accepts the argument of the aforementioned input string, so there must be a way of separating the paths. I just do not have a keen enough eye to see how to do it with sed or awk. At first I thought I'll just use sed to replace every [space]/ with [newline]/ and then trim all but the first line, but that leaves the loophole open for folders whose names end with a space. If I use the comma delimiter, the same happens, just for a comma instead. If I encapsulate in double or single quotation marks, I am opening another can of worms for filenames with those characters. The image/link is the relevant part of my Automator workflow. -- UPDATE -- I was able to achieve what I wanted in a rather roundabout way. It's hardly elegant but here is working generalized code: path="/Users/bobby/diddy dum/ding.mp4 /Users/jimmy/gone mia/come back jimmy.mp3" # using colon because it's an inadmissible Mac OS X # filename character, perfect for separating # also, unlike [space], multiple colons do not collapse IFS=: # replace all spaces with colons colpath=$(echo "$path" | sed 's/ /:/g') # place words from colon-ized file path into array # e.g. three spaces -> three colons -> two empty words j=1 for word in $colpath do filearray[$j]="$word" j=$j+1 done # reconstruct file path word by word # after each addition, check file existence # if non-existent, re-add lost [space] and continue until found name="" for seg in "${filearray[@]}" do name="$name$seg" if [[ -f "$name" ]] then echo "$name" break fi name="$name " done All this trouble because the default IFS doesn't count "emptiness" between the spaces as words, but rather collapses them all.

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• How to execute a shell script on startup?

  - by vijay.shad

  I have create a script to start a server(my first question). Now I want it to run on the system boot and start the defined server. What should I do to get this done? My findings tell me put this file in /etc/init.d location and it will execute when the system will boot. But I am not able to understand how the first argument on the startup will be start? Is this predefined somewhere to use start as $1? If I want to have a case startall that will start all the servers in the script, then what are the options I can manage. My Script is like this: #!/bin/bash case "$1" in start) start ;; stop) stop ;; restart) $0 stop $0 start ;; *) echo "usage: $0 (start|stop|restart)" ;; esac

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• Creating a Network link between 2 buildings

  - by Adam

  Hey My company needs to create a network link between two buildings. Currently we have a cat5e network in one building and would like to connect some computers(about 15) in our second building to the main network in the first building. The distance between the two buildings is 30 metres. The 30 metres means going through a wall from the first building. Going through the car park and then through a wall into the other building. We can run any cables through speed ramps and so we do not need to dig up the road! Also the second building does not have an Internet connection and so we have to create some sort of cable link so that they can share our Internet connection. Ideas? Should we just run cat5e? Should we run fibre? Should we run coaxial?

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• Fatal error on "mode 120000" file during git -> svn migration

  - by Oliver

  Following instructions from the following website: http://code.google.com/p/support/wiki/ImportingFromGit I'm trying to migrate a git repository to svn, but during the "git rebase master tmp" step it fails with the following error after apply the first few patches: $ git rebase master tmp First, rewinding head to replay your work on top of it... Applying: Imported Applying: Cleaned up the readme file Applying: fix problem with versions fatal: unable to write file foobar mode 120000 Patch failed at 0003 fix problem with versions When you have resolved this problem run "git rebase --continue". If you would prefer to skip this patch, instead run "git rebase --skip". To restore the original branch and stop rebasing run "git rebase --abort". I understand that 120000 may refer to a symlink, but Subversion has supported symlinks for a long time now. Subversion installed is 1.6.5, Git is 1.6.3.3. Running on Ubuntu Linux. The system is not running out of disk space and this operation is taking place within my home directory so permissions should not be an issue.

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• Tracking down rogue disk usage

  - by Amadan

  I found several other questions regarding the theory behind my problem (e.g. this, this), but I don't know how to apply the answers to my machine. # du -hsx / 11000283 / # df -kT / Filesystem Type 1K-blocks Used Available Use% Mounted on /dev/mapper/csisv13-root ext4 516032952 361387456 128432532 74% / There is a big difference between 11G (du) and 345G (df). Where are the remaining 334G? It's not in deleted files. There was only one, it was short, and I truncated it just in case. This is what remains: # lsof -a +L1 / COMMAND PID USER FD TYPE DEVICE SIZE/OFF NLINK NODE NAME zabbix_ag 4902 zabbix 1w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4902 zabbix 2w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4906 zabbix 1w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4906 zabbix 2w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4907 zabbix 1w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4907 zabbix 2w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4908 zabbix 1w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4908 zabbix 2w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4909 zabbix 1w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4909 zabbix 2w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4910 zabbix 1w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) zabbix_ag 4910 zabbix 2w REG 252,0 0 0 28836028 /var/log/zabbix-agent/zabbix_agentd.log.1 (deleted) I rebooted to see if fsck does anything. But, from /var/log/boot.log, it seems there are no issues: /dev/mapper/server-root: clean, 3936097/32768000 files, 125368568/131064832 blocks Thinking maybe someone overzealously reserved root space, I checked the master record: # tune2fs -l /dev/mapper/server-root tune2fs 1.42 (29-Nov-2011) Filesystem volume name: <none> Last mounted on: / Filesystem UUID: 86430ade-cea7-46ce-979c-41769a41ecbe Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize Filesystem flags: signed_directory_hash Default mount options: user_xattr acl Filesystem state: clean Errors behavior: Continue Filesystem OS type: Linux Inode count: 32768000 Block count: 131064832 Reserved block count: 6553241 Free blocks: 5696264 Free inodes: 28831903 First block: 0 Block size: 4096 Fragment size: 4096 Reserved GDT blocks: 992 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 8192 Inode blocks per group: 512 Flex block group size: 16 Filesystem created: Fri Feb 1 13:44:04 2013 Last mount time: Tue Aug 19 16:56:13 2014 Last write time: Fri Feb 1 13:51:28 2013 Mount count: 9 Maximum mount count: -1 Last checked: Fri Feb 1 13:44:04 2013 Check interval: 0 (<none>) Lifetime writes: 1215 GB Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 256 Required extra isize: 28 Desired extra isize: 28 Journal inode: 8 First orphan inode: 28836028 Default directory hash: half_md4 Directory Hash Seed: bca55ff5-f530-48d1-8347-25c004f66d43 Journal backup: inode blocks The system is: # uname -a Linux server 3.2.0-67-generic #101-Ubuntu SMP Tue Jul 15 17:46:11 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux # cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.2 LTS" Does anyone have any tips on what exactly to do to find and hopefully reclaim the missing space?

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• How to setup a django site with Cherokee, DynDNS and virtual_env?

  - by e-satis

  I have a django project running with the dev server, and would like to try run it in a production environment. I wanted to try Cherokee for a change, so I installed it. We don't have a domain name yet, so I set up a DynDNS looking like stuff.gotdns.org. It works fine, I can see the Cherokee welcome page (so red, I first believed I got an error :-p). I ran the wizard to create a new virtual server for Django. No everything is setup, but I have nothing. Still the default Cherokee welcome page. What should I do now if I want to go to "http://stuff.gotdns.org" and see my website? What should I do now if I next want to make it available only at "http://project.stuff.gotdns.org"? Important fact, I use virtual_env, so your can call Python directly, you have to activate it first.

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• How to connect XP mode VM to the host so as to simulate LAN Activities?

  - by rsjethani

  First of all my PC config: Host:Windows 7(32-bit) Guest: Windows XP SP3 as XP Mode. Integration Features Disabled(I don't think it has any thing to do with networking). Network Connections on Host : 1.Local Area Connection(Realtek...) - unplugged(as no other PC is connected). 2.Nokia 2730 classic USB Modem - I use this connect to the internet. Now,How can I connect the guest to the host as if they were on a LAN. Please give specific steps as I am using Windows XP Mode/Virtual machine for the first time.

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• Exchange 2007 Standard Edition

  - by Phrontiste

  We Have : Exchange 2007 Standard Edition IBM System X3650 2 x Intel Xeon 5430 2.66 GHz Version 8.1 Build 240.6 Mailbox, Hub Transport, Client Access Role Installed on One Box Total Number of Mailboxes : 110 - 130 6 Physical Disks Disk 0,1 (68 GB) = Raid-1, OS Partition ( C: Partition) Disk 2,3 (279GB) = Raid-1, Exchange Database (First and Second Storage Groups) ( D: Partition ) Disk 4,5 (68 GB) = Raid-1, Exchange Transaction Logs ( E: Partition ) Setup: Storage Groups : D:\First Storage group\Mailbox database.edb Storage Groups : D:\Second Storage Group\Public Folder Database.edb Transaction Logs : E Partition Problem 1: On our D Partition (Mailbox Database Partition), total size is 279 GB, free space remaining is 64.7 GB, when I select the first storage group and second storage group folders and right click properties they report a size of 165 GB. Mailbox database reports a size of 157GB when right clicked Properties. where as the size displayed in the folder is 164,893,456 KB So, we are missing around 50-54 GB, there is nothing else on these drives, no page file, nothing at all. The partition housing the Transaction logs is reporting the sizes accurately. Any suggestions / fixes on the above ? Problem 2: As you may have already read in Problem 1, the size of the mailbox database is 157GB or 164GB reported; which is not recommended, a) What would you suggest we should do to divide mailboxes in storage groups on this same server ? b) How would we move mailboxes into different storage groups ? c) This is the information store size ? (Am I right in thinking that this is not recommended) d) Having multiple storage groups with one Mailbox DB in each, would that reduce the size of the Information Store? e) Any suggestions / how-to reduce the size of information store ? We didn't install this, we have inherited this - what other recommendations you can make in order to keep ourselves better prepared for any server disaster? We are backing up with Yosemite Backup on RD1000 (320GB) at the moment, which is backing up successfully, flushing the logs daily. We haven't done a test restore YET. I have tried to provide as much info as possible, please let me know if you need further info. Also, we haven't yet faced any problems in mailflow, access speeds, everything is working fine, we have two to five people accessing OWA or Outlook via vpn only. Thanks for your time to read the above - will look forward to your expert suggestions.

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• Multiple External IP Ranges on a Juniper SSG5

  - by Sam

  I have a Juniper SSG 5 firewall in a datacenter. The first interface (eth0/0) has been assigned a static IP address and has three other addresses configured for VIP Nat. I have a static route configured at the lowest priority for 0.0.0.0/0 to my hosting company's gateway. Now I need to configure a second IP block. I have the IPs assigned to the second interface (eth0/1) which is in the same security zone and virtual router as the first. However, with this interface enabled I (a) can't initiate outbound sessions (browse the internet, ping, DNS lookup, etc) even though I can access servers behind the firewall just fine from the outside and (b) can't ping the management IP of the firewall/gateway. I've tried anything I can think of but I guess this is a little above my head. Could anyone point me in the right direction? Interfaces: ethernet0/0 xxx.xxx.242.4/29 Untrust Layer3 ethernet0/1 xxx.xxx.152.0/28 Untrust Layer3 Routes: http://i.stack.imgur.com/60s41.png

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• Starting/Stopping IBM WebSphere Application Server (WAS) 7 from the Command Line

  - by Christopher Parker

  I've written a script to automate the process of starting, stopping, and restarting WAS7 from the command line. Nothing starts automatically on one of our staging servers, so I have to start everything: deployment manager, node agent, app server, and Web server. The script I wrote seems to work pretty well. A coworker of mine recommended that I structure my commands differently. I'm wondering if there's a good, valid reason for doing so. First, my variables: WAS_HOME="/opt/IBM/WebSphere/AppServer" WAS_PROFILE_NAME="AppSrv01" WAS_APP_SERVER="server1" WAS_WEB_SERVER="webserver1" How I had the start commands: "${WAS_HOME}/bin/startManager.sh" "${WAS_HOME}/bin/startNode.sh" -profileName $WAS_PROFILE_NAME "${WAS_HOME}/bin/startServer.sh" -profileName $WAS_PROFILE_NAME $WAS_APP_SERVER "${WAS_HOME}/bin/startServer.sh" -profileName $WAS_PROFILE_NAME $WAS_WEB_SERVER I was told that I should do it like this, instead: WAS_DMGR="Dmgr01" # Added variable "${WAS_HOME}/profiles/${WAS_PROFILE_NAME}/bin/startNode.sh" "${WAS_HOME}/profiles/${WAS_DMGR}/bin/startManager.sh" "${WAS_HOME}/profiles/${WAS_PROFILE_NAME}/bin/startServer.sh" $WAS_APP_SERVER "${WAS_HOME}/profiles/${WAS_PROFILE_NAME}/bin/startServer.sh" $WAS_WEB_SERVER How is the second way of starting up everything for WebSphere any better or more correct than the first, original, way?

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