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• Cannot access server shares over VPN

  - by DuncanDavies

  I've set up a single hosted server to use as a development environment for a web-based application. The web app is served up fine on port 80, however I'm struggling to get my VPN to behave how I'd expect so the developers don't have the access they require. The VPN connects fine and I can access the back-end database (SQL Server) which resides on the server with the client tools from the laptops. However they cannot access any shared folders. The server's local IP address is 10.x.x.x, and I've assigned a static IP address pool to RRAS (of 192.168.100.1 - 20). The clients pick up a valid IP Address (i.e. 192.168.100.9) when they connect. There is no name resolution setup, DNS or WINS. When connected via VPN the clients can ping the server (192.168.100.1) by IP Address, but cannot map a drive to a shared folder (net use * \\192.168.100.1\xxxxx) - I get 'System error 53 has occurred. The network path was not found.' I don't understand why I can ping by the ip, but not map by it. Some details: Server OS is Windows 2008 (Datacenter) VPN is SSTP using RRAS Clients are all Windows 7 I've tried temporarily disabling the firewalls So, why can we not access the file system when everything else (ping, RDP, SQL Server clients tools) works? Thanks for your help Duncan

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• Linux apache developing configuration

  - by Jeffrey Vandenborne

  Recenly reinstalled my system, and came to a point where I need apache and php. I've been searching a long time, but I can't figure out how to configure apache the best way for a developer computer. The plan is simple, I want to install apache 2 + mysql server so I can develop some php website. I don't want to install lamp though, just the apache2, php5 and mysql. The problem that I've been looking an answer for is the permissions on the /var/www/ folder. I've tried making it my folder using the chown command, followed by a chmod -R 755 /var/www. Most things work then, but fwrite for example won't work, because I need to give write permissions to everyone, unless I change my global umask to 000 I'm not sure what I can do. In short: I want to install apache2, php5, mysql-server without using lamp, but configured in a way so I can open up netbeans, start a project with root in /var/www/, and run every single function without permission faults. Does anyone have experiences or workarounds to this? Extra: OS: Ubuntu 10.04 ARCH: x86_64

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• Enabling hardware acceleration and Xinerama for multi-monitor/multi-GPU in Linux

  - by mynameiscoffey

  My current setup is three monitors connected as follows (monitors listed from left to right): GPU0 (nVidia GTX 280): - Dell 2405FPW (1920x1200) - Dell U2410 (1920x1200) GPU1 (nVidia 210): - Dell 2405FPW (1920x1200) Works like a charm in Windows 7, not so much in Linux. I seem to only have three real options: Run all three monitors as a seperate X screen, I get hardware acceleration but as they are all independent X sessions I cannot move windows between them and can only have firefox open on one at any given time. Run the two on GPU0 in TwinView mode and have GPU1 as a seperate X screen. Same limitation as 1 but at least two monitors work together ok. I did have an issue where occasionally Linux saw both monitors on GPU0 as a single large monitor however. Enable Xinerama and have everything work as I want it to but hardware acceleration is gone and the display is Windows 95 style choppy. My ideal solution would be to have all screens working as they do under Xinerama without the limitation of having hardware acceleration disabled. I don't even care if that means rendering all three on GPU0 and somehow farming out the display of the third monitor to GPU1, whatever works. My question is this: is there any way to accomplish this? I don't feel like my use case is so out there that there shouldn't be at least some form of support (beyond the three limited options presented above), or is my best option going to be to just suck it up and pick up a better card to replace both that can handle three outputs by itself?

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• my X server doesn't load a module called "glx", but my video drivers seem to be installed

  - by rumtscho

  I just got a new, very wide monitor (2560x1440) and there is no sense maximizing my applications. So I installed Compiz Config Settings Manager and enabled Grid. Nothing happened, the shortcuts don't move application windows. Went to System - Preferences - Appearance, the Visual effects tab. It at "disabled". When I try to set them to "normal" or "extra", a message box appears telling me that it's searching for video drivers, then disappears, and I get an error message "Desktop effects could not be enabled". I opened Xorg.0.log, and had errors there: (EE) Failed to load /usr/lib/xorg/modules/extensions//libglx.so (II) UnloadModule: "glx" (EE) Failed to load module "glx" (loader failed, 7) (II) LoadModule: "extmod" Going to Administration - System - Hardware drivers, it said that there are no available and/or installed hardware drivers. But apt-get said that it cannot install nvidia-glx-185, as it is already installed. Googling my error message suggested that I install and run something called envyng. This let me install the nvidia drivers again, and now I can see in the Hardware Drivers window that they are installed and active. But the error message in Xorg.0.log remains, and I still cannot enable the Compiz effects or use Grid. Now, I don't have enough Linux experience to understand if this is a single cause-effect-chain of problems, or three independent ones, but I'd appreciate help for any of them. I am running Ubuntu 9.10, the video card is a GeForce 7600GS.

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• open-source LAMP package for simple accouting and receiving?

  - by user26664

  Hello. I am involved with a computer-based charity where we take donation of old equipment, often recycle it, mostly rehabilitate it and make it available through grants and 'adoptions', and sell some items. What we're looking for is a LAMP package that can handle our records of donations of equipment, print receipts for donators, and also track our thrift store sales with receipts. Donators will want receipts of their donations for tax deduction purposes. We'll want to print reports of incoming items from time to time, say monthly and yearly. For the thrift store, we'll also need receipts for that, reports of cash, especially for reconciling cash drops, and also reports of items sold from time to time. I'm thinking this might be a single package, but it might be two. We don't want to track our shop inventory with either of these programs -- that's another program/project. We just need to know what was donated and what was sold. It must be open source, and ideally we'd like it to run on LAMP -- Linux, Apache, MySQL, PHP, but we will consider other open-source platforms.

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• Rebuild Fedora 19 ISO adding Kickstart for USB install

  - by dooffas

  I am attempting to edit a Fedora 19 DVD ISO to add a kickstart file. I then need this ISO burnt to a USB stick for instillation. The error I get when booting is Warning: Could not boot. Warning: /dev/root does not exist To try and determine which part of the process is failing I have broken the process down in to separate stages. Step 1: Burn the original ISO "Fedora-19-x86_64-DVD.iso" (Available - here) to a pendrive and see if that will install. dd if=/path/to/iso of=/dev/sdc Burning this image was successful and it installed without issue. Step 2: Exctract the ISO, repackage it and burn it to a pendrive and see if that will install. PLEASE NOTE: The final command in this section has been broken down in to multiple lines for ease of reading, in fact it was run as a single command on one line. mkdir -p /mnt/linux mount -o loop /tmp/linux-install.iso /mnt/linux cd /mnt/ tar -cvf - linux | (cd /var/tmp/ && tar -xf - ) cd /var/tmp/linux xorriso -as mkisofs -R -J -V "NewFedoraImage" -o ouput/file.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -isohybrid-mbr /usr/share/syslinux/isohdpfx.bin . This iso was then burnt to a pendrive as before. dd if=/path/to/iso of=/dev/sdc This ISO burnt to the pen drive with no problem and will boot. I then see the fedora options screen. After choosing either "Install Fedora 19" or "Test this media & install Fedora 19" I then receive the errors highlighted above. This means the kickstart file is not to blame, but repackaging the ISO. Is there something I am missing in the repackaging process? Any input would be great! NOTE: If it is of any help, I attempted Step 2 with an Ubuntu server ISO and the process was successful.

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• How do I migrate Exchange 2007 to new hardware?

  - by Graeme Donaldson

  As per my previous question, I have an Exchange 2007 box which is also a DC. Since I can't demote it while Exchange is installed, I want to move Exchange to a different server. Does anyone have any articles, tips or experiences to share on this? The last time I did this it was with Exchange 2003 and even that is a little rusty in my head. The setup is a single Exchange 2007 Hub/Edge/Mailbox/CAS server. Its currently on Windows Server 2008, I can migrate it to the same OS, or I can go to 2008 R2, I'm not really picky on that. We're running OWA/ActiveSync/POP3(S)/IMAP(S) for client access. I already have another fully functional DC/GC/DNS box in the same site and clients in the site are already using that for DNS. It's also the preferred site bridgehead for AD replication. Update: After reading Evan's answer I realised that my original question wasn't worded correctly. I'm not looking to do a swing migration, I actually need to move Exchange completely over to a new box. I have done swing migrations in the past, i.e. moving over to a temporary box and back to the original hardware afterwards, and I'm not really sure why I used that term in the original question since it's not what I intended. Any tips?

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• RRAS with DHCP when the IP pool is on a different subnet

  - by John B

  I run a small business network and the last couple of days I have been setting up some equipment to add VPN capabilities to our network. I've got the following set up: Windows 2008 R2 with RRAS - 172.22.200.50 Cisco RV082 router - 172.22.100.1 / 172.22.200.1 The Cisco router only support DHCP on a single class C network; 172.22.100.0/24. On the Cisco router I have set up an additional subnet; 172.22.200.0/24. The DHCP range is 172.22.100.200-254 When a PPTP connection comes in to the router, it is forwarded to my RRAS at 172.22.200.50. If I configure RRAS to assign IPs from a static pool on the 172.22.200.0/24 subnet everything works fine except the DNS suffix / search domain. However, if I set RRAS to use DHCP I am no longer able to contact any devices on the network. The IP I receive is on a different subnet (172.22.100.0/24). Is it possible to still use DHCP as the method of ip assignment in RRAS, even when the IP adresses assigned are in a different subnet? If yes, what piece of configuration am I missing to fix the VPN connection issues mentioned in the paragraph above. The reason I want RRAS with DHCP to work is because from what I have understood, this is the "only" way to hand out a DNS suffix to VPN clients. Any help on this matter is greatly appreciated!

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• Textmate add multiline text at end of line

  - by Yuval

  In Textmate, I am able to add text to several lines at once by clicking and holding the Option key and dragging with the mouse. say I have the following lines: foo 1: foo 2: foo 3: I can easily click and hold option and then drag down with the lines to select the text at the end of each line, and then type "bar" once and it will be added to all lines, as such: foo 1: bar foo 2: bar foo 3: bar Fantastic. The problem I run into, is when my lines aren't the same length, as such foo 19: foo 37842342346: foo 503: Now if I want to add text to the end of each line, I have to either do it manually, or choose enough space so that the longest line is not overwritten, as such: foo 19: bar foo 37842342346: bar foo 503: bar This results in a lot of unwanted whitespace in lines that don't need it. Granted, I could easily run a regular expression search to replace all multiple occurrences of a space with a single one, but I was wondering if there's a way to select all ending of lines at once without having to do that. Any idea? Thanks!

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• OpenVPN with MacOS X Client and same subnets in local and remote net.

  - by Daniel

  I have a homenetwork 192.168.1.0/24 with gteway 192.168.1.1 and a remote network with the same parameters. Now I want to create a OpenVPN tunnel between those networks. I have no problems with Windows, because Windows routes everything to 192.168.1.0/24 except 192.168.1.1 throught the tunnel. On MacOS X however I see the folling line in the Details window: 2010-05-10 09:13:01 WARNING: potential route subnet conflict between local LAN [192.168.1.0/255.255.255.0] and remote VPN [192.168.1.0/255.255.255.0] When I list the routes I get the following: Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.1.1 UGSc 13 3 en1 127 localhost UCS 0 0 lo0 localhost localhost UH 12 3589 lo0 169.254 link#5 UCS 0 0 en1 192.168.1 link#5 UCS 1 0 en1 192.168.1.1 0:1e:e5:f4:ec:7f UHLW 13 17 en1 1103 192.168.1.101 localhost UHS 0 0 lo0 192.168.6 192.168.6.5 UGSc 0 0 tun0 192.168.6.5 192.168.6.6 UH 1 0 tun0 My Interfaces are en1 - My local Wifi network tun0 - The tunnel interface As can be seen from the routes above there is no entry for 192.168.1.0/24 that routes the traffic through the tunnel interface. When I manually route a single IP like 192.168.1.16 over the tunnel gateway 192.168.6.6, this works. Q: How do I set up my routes in MacOS X for the same behaviour as on windows, to route everything except 192.168.1.1 through the tunnel, but leave the default gateway to be my local 192.168.1.1 ?

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• ESXi - change to thin - virtual disk filesize is the same

  - by sven

  running ESXi 5.5 here with a datastore on a single SSD. Now, I thought about changing to thin disks from thick and found that I could use a tool on the ESXi host to do that. However, the file size of the new created virtual disk is not changing. I run: vmkfstools -i loader.vmdk -d 'thin' thinloader.vmdk Destination disk format: VMFS thin-provisioned Cloning disk 'loader.vmdk'... Clone: 100% done. After that I compared the virtual disksizes: ls -la *.vmdk -rw------- 1 root root 32212254720 Jun 10 08:25 loader-flat.vmdk -rw------- 1 root root 467 May 21 17:04 loader.vmdk -rw------- 1 root root 32212254720 Jun 10 08:27 thinloader-flat.vmdk -rw------- 1 root root 520 Jun 10 08:33 thinloader.vmdk Stats on the original file: stat loader.vmdk File: loader.vmdk Size: 467 Blocks: 0 IO Block: 131072 regular file Device: 8bf64d175e27544ch/10085333178302026828d Inode: 419443780 Links: 1 Access: (0600/-rw-------) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2014-01-25 10:17:34.000000000 Modify: 2014-05-21 17:04:06.000000000 Change: 2014-05-21 17:04:06.000000000 and on the thin file: stat thinloader.vmdk File: thinloader.vmdk Size: 520 Blocks: 0 IO Block: 131072 regular file Device: 8bf64d175e27544ch/10085333178302026828d Inode: 432026692 Links: 1 Access: (0600/-rw-------) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2014-06-10 08:27:45.000000000 Modify: 2014-06-10 08:33:30.000000000 Change: 2014-06-10 08:33:30.000000000 Anyone an idea why the disk is not providing any more space (tried with multiple VM's already - all the same)? Also, I have noticed that the newly created file "autoappend" "-flat" to the disk ... Thanks Sven Update - diff of the vmdk config* --- loader.vmdk +++ thinloader.vmdk @@ -7,15 +7,17 @@ createType="vmfs" -RW 62914560 VMFS "loader-flat.vmdk" +RW 62914560 VMFS "thinloader-flat.vmdk" ddb.adapterType = "lsilogic" +ddb.deletable = "true" ddb.geometry.cylinders = "3916" ddb.geometry.heads = "255" ddb.geometry.sectors = "63" ddb.longContentID = "6d95855805dfa0079327dfee29b48dca" -ddb.uuid = "60 00 C2 98 d5 7d 17 bf-ac 54 70 b1 2d 39 43 d5" +ddb.thinProvisioned = "1" +ddb.uuid = "60 00 C2 93 c4 13 6c cf-bb 7b 34 c9 2c b4 dc 1e" ddb.virtualHWVersion = "8"

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• Tri-head linux system with Xmonad: is it possible to have HW acceleration

  - by progo

  What means there exists to have three monitors, all controlled by Xmonad and have hardware 3D acceleration as well? I had the pleasure of using three monitors earlier this year, and while Xmonad and Xinerama handle three monitors easily, I had to throw in an extra display driver, and also let go of Nvidia's own TwinView (which is a hack on Xinerama). This left me with no HW acceleration and some flickering as double buffering wouldn't work with certain applications. However, the three monitors handle so beautifully that I had hard time coming back to two. I understand the easiest way to achieve HW-accelerated tri-head combo is to split into two Xorgs. I wouldn't be able to switch windows between the Xorgs, so I'm not really into this solution. What's more, having a cheap and old PCI card along with even slightly better PCIe seemed to slow things down. Even if I occasionally disabled the third monitor from Xorg configure, I couldn't get HW acceleration to work. Only after I physically disconnected the old PCI card, I could get the games back in business. Would a Matrox Dual/Tri-head2go and a powerful Nvidia GPU do the trick? I understand Xmonad can be configured to "believe" that a "single" (as Dualhead2Go will merge) 3360x1050 display is actually two different ones? So that Xmonad's Mod-w and Mod-e would work properly there.

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• Domain Controller DNS Best Practice/Practical Considerations for Domain Controllers in Child Domains

  - by joeqwerty

  I'm setting up several child domains in an existing Active Directory forest and I'm looking for some conventional wisdom/best practice guidance for configuring both DNS client settings on the child domain controllers and for the DNS zone replication scope. Assuming a single domain controller in each domain and assuming that each DC is also the DNS server for the domain (for simplicity's sake) should the child domain controller point to itself for DNS only or should it point to some combination (primary VS. secondary) of itself and the DNS server in the parent or root domain? If a parentchildgrandchild domain hierarchy exists (with a contiguous DNS namespace) how should DNS be configured on the grandchild DC? Regarding the DNS zone replication scope, if storing each domain's DNS zone on all DNS servers in the domain then I'm assuming a DNS delegation from the parent to the child needs to exist and that a forwarder from the child to the parent needs to exist. With a parentchildgrandchild domain hierarchy then does each child forward to the direct parent for the direct parent's zone or to the root zone? Does the delegation occur at the direct parent zone or from the root zone? If storing all DNS zones on all DNS servers in the forest does it make the above questions regarding the replication scope moot? Does the replication scope have some bearing on the DNS client settings on each DC?

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• Shell not finding binary when attempting to execute it (it's _definitely_ there)

  - by eegg

  I have a specific set of binaries installed at: ~/.GutenMark/binary/<binaries...> These were previously working correctly, but for seemingly no reason when I attempt to execute them the shell claims not to find them: james@anubis:~/.GutenMark/binary$ ls -al ... -rwxr-xr-x 1 james james 2979036 2009-05-10 13:34 GUItenMark ... -rwxrwxrwx 1 james james 76952 2009-05-10 13:34 GutenMark ... -rwxr-xr-x 1 james james 10156 2009-05-10 13:34 GutenSplit ... james@anubis:~/.GutenMark/binary$ ./GutenMark bash: ./GutenMark: No such file or directory james@anubis:~/.GutenMark/binary$ I've tried to isolate the cause of this, with no success. The same happens with zsh, bash, and sh (all giving their appropriate "file not found" error -- this is definitely not a strange output from the binary itself). The same happens either as user james or as root. Nor is it directory specific; if I move the whole directory installation, or just a single binary, to anywhere else, the same happens when attempting to execute it. The same even happens when I put the directory in $PATH and just execute "GutenMark". It also happens when I execute it from a script (I've tried Python's commands module -- though this appears to just call sh). The problem appears to be specific to the binaries themselves, yet they appear to never actually get executed. Any ideas?

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• Looking to replace Ghost with FSArchiver or Clonezilla, few questions about capabilities

  - by Daniel Wright

  I work for a PC Repair company and we are looking into setting up a dedicated machine with externally accessible SATA bays to clone harddrives as a safety net incase something goes wrong during a repair. We currently use a SATA/PATA to USB bridge called MagicBridge and Norton Ghost on any workstation, but we're looking to move away from Ghost. We have a computer with a large RAID5 array with Windows Server 2008 Standard currently installed, but this can be replaced with a flavour of *nix. I have some experience with Clonezilla, but FSArchiver also seems like a suitable replacment too. My Head Technician wants to know if my chosen solution (probably Clonezilla or FSArchiver, but I'm open to free suggestions) is capable of: Cloning a degraded RAID, such as a single drive from a RAID1 mirror without complaining Producing images that are easily mountable (he'd prefer them to be mountable in Windows, but if there is no other easy way, *nix should be fine) akin to Ghost Explorer so individual files can be restored as well as being able to do bare metal restores. My apologies for wordiness but I wanted to be thorough in my explaination. Thanks for any suggestions or tips :) EDIT: I've just found out that Clonezilla has a workaround for cloning RADI1 drives EDIT2: Found the answer to both of my questions, aparently I wasn't phrasing my searches right, could this question be deleted please?

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• What is the IPv6 equivalent to IPv4 RFC1918 addresses?

  - by Kumba

  Having a hard time wrapping my head around IPv6 here. A lot of the lingo seems targeted at enterprise-level IPv6 deployments, discussing link-local, site-local, global unicast, scopes, etc. Not a lot of solid information on really small networks, like home networks. I want to check my thinking and make sure I am getting the correct translations from IPv4-speak to IPv6-speak. The first question is, what's the equivalent of RFC1918 for IPv6? Initial searches suggested there was no equivalent. Then I stumbled upon Unique Local Addresses (RFC4193), and that states that all ULA's should be assigned the prefix fc00, followed by a 40-bit random number in the routing prefix. This random number is to "prevent collisions when two IPv6 networks are interconnected" -- again, another reference to an enterprise-level function. If I have a small local LAN at home, numbered using 192.168.4.0/24, what's my equivalent in IPv6's ULA scope? Assuming I will never, ever, tie that IPv6 address into the real internet (a router will NAT & firewall it), can I ignore the RFC to an extent and go with fc00::4:0/120? It also seems that any address in fc00::/7 are to be globally routable. Does this mean I'll need extra protections so my router would not automatically start advertising these private IPv6 addresses to the world? Second question, what's this link-local thing? Reading suggests a default-assigned address in the fe80::/10 range that has the last 64bits of the address comprised of the interface's MAC address. Seems to be required, too, but I'm annoyed by the constant discussion of it in relation to enterprise networks. Third question, what is scope id for? Seems to be yet another term tossed around in relation to enterprise networks, especially when interconnecting them, but almost no explanation on the smaller home network level. Can I see a scope ID AND CIDR notation used together? I.e., fc00::4:0/120%6, or are scope IDs only supposed to be applied to a single /128 IPv6 address?

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• Trying to run a codeigniter app on custom php

  - by hamstar

  I have a CodeIgniter app that I deployed to a server with php 5.2 and my dev box has 5.3, and some stuff doesn't work anymore. I didn't want to upgrade php and risk the other app on the server having issues. Anyway I compiled a custom PHP and added the following to a single .conf file in /etc/httpd/conf.d/zcid.conf with all the other conf files. <VirtualHost *:80> DocumentRoot /var/www/cid/app ServerName sub.example.co.nz </VirtualHost> <Directory "/var/www/cid/app"> authtype Basic authname "oh dear how did this get here i am no good with computer" authuserfile /path/to/auth require valid-user RewriteEngine on RewriteCond $1 !^(index\.php|robots\.txt|createEvent\.php|/cgi-bin) RewriteRule ^(.*)$ /index.php/$1 [L] AddHandler custom-php .php Action custom-php /cgi-bin/php53.cgi </Directory> In /var/www/cid/app I have the cgi-bin folder and the php53.cgi that I copied from /usr/local/php53/bin/php-cgi But now when I navigate to the subdomain it says: The requested URL /cgi-bin/php53.cgi/index.php/ was not found on this server. And if I try to browse to /cgi-bin it says (what it is supposed to?): You don't have permission to access /cgi-bin/ on this server. Quite confused now. Anyone know what to do here? Thanks :)

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• My Computer hangs for a few minutes just after startup, and then is fine.

  - by EvilChookie

  So I just built myself a reasonably beefy computer, and I installed Windows 7 on it. However, I start the machine up each morning and within a few minutes, the computer will semi hang. That is the mouse is responsive, and most of the time I can open task manager, or a new tab in Chrome. Occasionally windows will be labelled as 'Not responding'. Then, the machine will get over it's problem, and will be nice and quick until I turn it off. Here's my specs: CPU: AMD Phenom-II X4 955 Black (Quad Core, 3.2ghz) RAM: 4GB of DDR3 1300 MOBO: ASUS M4A785T-M (Latest BIOS) HARD DRIVES: 2x1TB Western Digital Caviar Blacks in RAID-0. OS: Windows 7 Ultimate x64. GPU: ASUS GT240 1GB. I believe this issue relates to the RAID array, as I didn't have the lockup problem before I created the array. I purchased a second drive and reformatted after creating a RAID array, since the single drive was a little on the pokey side (compared to the rest of the computer). What I have tried: Updated Raid Drivers Malware checks Windows Updates Unecessary Services CPU and Disk activity appears to be low (via Resource Monitor) No strange errors in the error log. Any thoughts?

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• How to set up the jdbc driver to connect to hsqldb from libreoffice?

  - by rumtscho

  I am trying to "split" a LibreOffice .odb file into a HSQL database and an OpenOffice document containing forms and macros. I am trying to follow the instructions from this thread: Within a few minutes you can convert your embedded HSQLDB to a stand-alone HSQLDB which is just a very fine database engine. 1) Download and extract the current version from http://hsqldb.org/ and point the Java class path in ToolsOptionsJava to the new hsqldb.jar 2) Extract the database folder from your embedded database and rename the files data, properties, script to name.data name.properties, name.script where "name." is an arbitrary name prefix. 3) Connect a Base document to an existing JDBC database such as jdbc:hsqldb:file:/home/chenier/hsqldb/name;default_schema=true;shutdown=true;hsqldb.default_table_type=cached;get_column_name=false (again, "name" refers to your own file name prefix). This local single-user connection gives you much more than the embedded HSQLDB. 4) Copy queries, forms and reports from the old database over to the new one. The wizard presents me with a window expecting two inputs: a "Datasource URL" and a "JDBC driver class". As far as I can tell, the tutorial above only tells me what to put into the Datasource URL. As for the JDBC driver class, I have no idea what to write into this field. I tried the fully-qualified name of the Java class, org.hsqldb.jdbc.JDBCDriver as given in the HSQLDB documentation. When that failed, I tried the physical path /var/lib/hsqldb/lib/hsqldb.jar (although that should have been unnecessary, because first I pointed to this path as described under 1 and then restarted LibreOffice). In both cases, "Test class" failed with the message "The JDBC driver could not be loaded". OpenOffice's documentation doesn't say anything sensible about the field, it was something like "enter the JDBC driver in this box". Any ideas what I should enter there to get the connection working?

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• How does one open multiple tabs in TextWrangler?

  - by Closure Cowboy

  No, I'm not bluffing. I really can't figure this out. The setup: I went to File -> Open, and then selected a directory rather than a file. As expected, a directory tree opened on the left side of my document. Hooray! I can easily view the files' structure in my Rails project. So, I make a few changes in a file, and then I click on a different file in the directory tree. My problem: TextWrangler then asks me whether I want to save my changes. Huh? I say "No", and the new document doesn't open at all. Great. I try hitting Command+N (new document). A new window opens. Ughhhh. How the heck do I open documents in a new tab? Note: I have set the "New & opened documents" behavior to "Open in the front window". This does not change the behavior described (i.e. when a directory is opened rather than a single file).

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• open_basedir problems with APC and Symfony2

  - by Stephen Orr

  I'm currently setting up a shared staging environment for one of our applications, written in PHP5.3 and using the Symfony2 framework. If I only host a single instance of the application per server, everything works as it should. However, if I then deploy additional instances of the application (which may or may not share the exact same code, dependent on client customisations), I get errors like this: [Tue Nov 06 10:19:23 2012] [error] [client 127.0.0.1] PHP Warning: require(/var/www/vhosts/application1/httpdocs/vendor/doctrine-common/lib/Doctrine/Common/Annotations/AnnotationRegistry.php): failed to open stream: Operation not permitted in /var/www/vhosts/application2/httpdocs/app/bootstrap.php.cache on line 1193 [Tue Nov 06 10:19:23 2012] [error] [client 127.0.0.1] PHP Fatal error: require(): Failed opening required '/var/www/vhosts/application1/httpdocs/app/../vendor/doctrine-common/lib/Doctrine/Common/Annotations/AnnotationRegistry.php' (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/vhosts/application2/httpdocs/app/bootstrap.php.cache on line 1193 Basically, the second site is trying to require the files from the first site, but due to open_basedir restrictions it can't do that. I'm not willing to disable open_basedir as that is only masking the problem instead of solving it, and creates a dependency between applications that should not be present. I initially believed this was related to a Symfony2 error, but I've now tracked it down to an issue with APC; disabling APC also solves the error, but I'm concerned about the performance impact of doing so. Does anyone have any suggestions on what I might be able to do?

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• How to move Mdadm RAID drive (EBS based) to different AWS Instance

  - by Stanley

  We have a media-rich web application that is hosted on AWS. We have several Web Servers and we have an NFS server. On the NFS server (Linux server) we have several EBS volumes that are mounted and we've used mdadm to implement the different mounted volumes as a single RAID volume. The Web Servers simply access the NFS storage through a mount point. Amazon has now let us know that they will be performing power maintenance on this server in a couple of days time. Since all our media is on here it would render our site unusable for the hours while Amazon is working on it. We want to try and prevent this downtime. I was thinking that we can prevent server downtime by perhaps setting up a new server temporarily and attaching the EBS drives (raid volume) to that server and have our web servers point there during maintenance. This is a very high risk operation since this involves several terabytes of our production data. What would be the safe way to move over our logical raid drive (md0) to a new amazon instance? I was hoping that I could start with building the new server, mounting the ebs volumes and assembling the RAID partition using mdadm --assemble --scan before unmounting from the existing instance so that I can first test that everything works and thus having it mounted on two instances at the same time, but I don't believe that is possible with the way that filesystems work. How do I move a Linux software RAID to a new machine? suggests a way to move drives, but isn't really a cloud-based question. Perhaps there are simpler ways to prevent system downtime with our solution being hosted on the cloud? I have considered taking an EBS snapshot, but that tries to replicate all the many terabytes of mounted storage, so this is not a practical solution. Any ideas?

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• tail -f and then exit on matching string

  - by Patrick

  I am trying to configure a startup script which will startup tomcat, monitor the catalina.out for the string "Server startup", and then run another process. I have been trying various combinations of tail -f with grep and awk, but haven't got anything working yet. The main issue I am having seems to be with forcing the tail to die after grep or awk have matched the string. I have simplified to the following test case. test.sh is listed below: #!/bin/sh rm -f child.out ./child.sh > child.out & tail -f child.out | grep -q B child.sh is listed below: #!/bin/sh echo A sleep 20 echo B echo C sleep 40 echo D The behavior I am seeing is that grep exits after 20 seconds , however the tail will take a further 40 seconds to die. I understand why this is happening - tail will only notice that the pipe is gone when it writes to it which only happens when data gets appended to the file. This is compounded by the fact that tail is to be buffering the data and outputting the B and C characters as a single write (I confirmed this by strace). I have attempted to fix that with solutions I found elsewhere, such as using unbuffer command, but that didn't help. Anybody got any ideas for how to get this working how I expect it? Or ideas for waiting for successful Tomcat start (thinking about waiting for a TCP port to know it has started, but suspect that will become more complex that what I am trying to do now). I have managed to get it working with awk doing a "killall tail" on match, but I am not happy with that solution. Note I am trying to get this to work on RHEL4.

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• Installing and running a guest OS on KVM-qemu with only serial console access

  - by nixnotwin

  I am trying to installing a bsd distro with virt-installer. With a Linux distro I used this: virt-install -n debian -r 1024 --vcpus=1 --accelerate -v --disk /var/kvm/installation-disks/debian.img,size=6--nographics --network=bridge:br0,model=ne2k_pci,mac=52:54:00:66:68:09 -l http://ftp.de.debian.org/debian/dists/squeeze/main/installer-amd64/current/images/ -x console=ttyS0,115200 This loads the installer directly from the online mirror. With Fedora I used this mirror: http://www.nic.funet.fi/pub/mirrors/fedora.redhat.com/pub/fedora/linux/releases/16/Fedora/x86_64/os/ Are there such mirrors for freebsd or openbsd? The reason I want direct installable ftp/http mirrors is because I can access my physical server only via ssh, and it doesn't have a X server or a window manager to give me a VNC GUI. When I tried installing centos 6 with an online mirror I was able to finish the installation via serial console, but after I rebooted it, the serial console never worked for me. I tried everything possible---editing menu.lst, inttab and securtty files. Fedora 16 booted fine from serial console, but got stuck when it loaded anaconda installer. I tried editing freebsd iso installation media by adding serial console option to boot option. And installation was successful. But couldn't boot into it becuase it wasn't giving console acess. I couldn't edit any files as ufs partition cannot be loaded with write access on my Ubuntu server 10.04. Only debian squeeze worked well, it worked for me even without editing a single configuration file. I want to have CLI versions of fedora/centos and freebsd/openbsd. But, looks like there isn't any hope for me to have them, as I have to depend on a serial console to do everything.

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• Multi domain on my dedicated server with Apache2

  - by x4vier

  I setup a server with Ubuntu 10.04 server edition. It's works for a long time with a single domain name. Now i want to add another domain wich will pointed to a new directory. I tried to change my Apache2 configuration but it does not seems to work properly. Here is my /etc/apache2/sites-available/default <VirtualHost *:80> DocumentRoot /var/www/ <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> </VirtualHost> <VirtualHost *:80> ServerName mydomain.com ServerAlias www.mydomain.com DocumentRoot /var/www/mydomain </VirtualHost> here is my /etc/hosts 127.0.0.1 localhost **.***.133.29 sd-***.****.fr sd-**** **.***.133.29 mediousgame.com # The following lines are desirable for IPv6 capable hosts ::1 localhost ip6-localhost ip6-loopback ****::0 ip6-localnet ****: :0 ip6-mcastprefix ****::1 ip6-allnodes ****::2 ip6-allrouters ****::3 ip6-allhosts With this configuration when i try to access to mydomain it redirect to the /var/www/ content. Do you have any idea to redirect to the right folder ?

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