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• Warning flagged by the 'rkhunter'

  - by gkt.pro

  when I scanned my Ubuntu 10.04 with rkhunter a root kit hunter toolkit, it gave following warning: Is there something that I have to worry about. [23:06:19] /usr/sbin/adduser [ Warning ] [23:06:19] Warning: The command '/usr/sbin/adduser' has been replaced by a script: /usr/sbin/adduser: a /usr/bin/perl script text executable [23:06:20] /usr/sbin/rsyslogd [ Warning ] [23:06:20] Warning: The file properties have changed: [23:06:22] /usr/bin/dpkg [ Warning ] [23:06:22] Warning: The file properties have changed: [23:06:22] /usr/bin/dpkg-query [ Warning ] [23:06:22] Warning: The file properties have changed: [23:06:24] /usr/bin/ldd [ Warning ] [23:06:24] Warning: The file properties have changed: [23:06:24] Warning: The command '/usr/bin/ldd' has been replaced by a script: /usr/bin/ldd: Bourne-Again shell script text executable [23:06:24] /usr/bin/logger [ Warning ] [23:06:24] Warning: The file properties have changed: [23:06:25] /usr/bin/mail [ Warning ] [23:06:25] Warning: The file '/usr/bin/mail' exists on the system, but it is not present in the rkhunter.dat file. [23:06:27] /usr/bin/sudo [ Warning ] [23:06:27] Warning: The file properties have changed: [23:06:29] /usr/bin/whereis [ Warning ] [23:06:29] Warning: The file properties have changed: [23:06:29] /usr/bin/lwp-request [ Warning ] [23:06:29] Warning: The command '/usr/bin/lwp-request' has been replaced by a script: /usr/bin/lwp-request: a /usr/bin/perl -w script text executable [23:06:29] /usr/bin/bsd-mailx [ Warning ] [23:06:29] Warning: The file '/usr/bin/bsd-mailx' exists on the system, but it is not present in the rkhunter.dat file. [23:06:30] /sbin/fsck [ Warning ] [23:06:30] Warning: The file properties have changed: [23:06:30] /sbin/ifdown [ Warning ] [23:06:30] Warning: The file properties have changed: [23:06:31] /sbin/ifup [ Warning ] [23:06:31] Warning: The file properties have changed: [23:06:34] /bin/dmesg [ Warning ] [23:06:34] Warning: The file properties have changed: [23:06:35] /bin/more [ Warning ] [23:06:35] Warning: The file properties have changed: [23:06:36] /bin/mount [ Warning ] [23:06:36] Warning: The file properties have changed: [23:06:37] /bin/which [ Warning ] [23:06:37] Warning: The command '/bin/which' has been replaced by a script: /bin/which: POSIX shell script text executable [23:08:58] Checking /dev for suspicious file types [ Warning ] [23:08:58] Warning: Suspicious file types found in /dev: [23:08:58] Checking for hidden files and directories [ Warning ] [23:08:58] Warning: Hidden directory found: /etc/.java [23:08:58] Warning: Hidden directory found: /dev/.udev [23:08:58] Warning: Hidden directory found: /dev/.initramfs [23:09:01] Checking version of Exim MTA [ Warning ] [23:09:01] Warning: Application 'exim', version '4.71', is out of date, and possibly a security risk. [23:09:01] Checking version of GnuPG [ Warning ] [23:09:01] Warning: Application 'gpg', version '1.4.10', is out of date, and possibly a security risk. [23:09:01] Checking version of OpenSSL [ Warning ] [23:09:01] Warning: Application 'openssl', version '0.9.8k', is out of date, and possibly a security risk.

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• Why is usable RAM less than total RAM?

  - by D Connors

  My girlfriend bought a laptop last week. It's a core 2 duo with 4 GB We installed vista 64bit, and one of the first things we did was right click on "My computer" to see gthe properties. Immediately we noticed something strange about her RAM, the line said: Installed memory (RAM): 4,00 GB (3,68 GB usable) I told her not to worry, thinking it must be something about the laptop hardware (considering her vista installation came from the same DVD as mine, and I never noticed anything like that on my 4 GB desktop). One hour ago, it got worse. We looked at Properties again, and it now says: Installed memory (RAM): 4,00 GB (2,98 GB usable) What does that mean? Are those 1,02 GB missing or being used by the system? EDIT: There is a possibility that the sytem information is wrong. I just noticed that it reports an intel T6500 processor, when it's actually a T6400. How can I find out how much RAM is really available to the system? EDIT2: Checking the resource monitors, it says 1003 MB are reserved for the hardware. Is that good or bad? Thanks

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• How to get rid of auto-generated sequence number in network's device name in Windows?

  - by Piotr Dobrogost

  Every time one plugs in the same usb wireless adapter in a new usb port, Windows creates new network device with auto-generated sequence number which looks like this Wireless-N USB Network Adapter #2, Wireless-N USB Network Adapter #3, ... The name of a device is being displayed as part of network's information in Control Panel|Network Connections. How can I get rid of this sequence number? I found out device name which is displayed in network's information is kept in the FriendlyName REG_SZ value under HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\USB\VID_[device specific string]\[usb port specific string] However when I try to modify this value I get error Cannot edit FriendlyName: Error writing the value's new contents. I tried to delete extra keys under HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\USB\VID_13B1&PID_0029 but got Cannot delete KEY NAME: Error while deleting key. error. Trying to solve this problem I followed this answer but trying to change owner with Replace owner on subcontainers and objects option checked I got this error - Registry Editor could not set owner on the currently selected, or some of its subkeys. To find out which subkey is the source of problem I tried changing owner of each subkey. After successfully changing owner of Properites subkey I saw it has subkeys which were previously hidden. Now trying to change owner of these subkeys looks like this: Any idea how to delete these keys?

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• New user profile creation error - Windows cannot open *.exe

  - by Jake

  I have a windows 7 laptop with the user "mydomain\boy" that cannot log in to the laptop. the error message is something like "User profile service cannot log in the user boy". I then logged in with the domain admin account "mydomain\admin" and then went to delete the "mydomain\boy" from my computer system properties advance system settings user profiles settings. I also ensure that the user is deleted from control panel user accounts. I then also deleted the user folder c:\users\boy I also checked that the registry at this location HKLM\software\microsoft\windows nt\currentversion\profilelist\ and ensure that there is no entry for boy. I followed http://support.microsoft.com/kb/947215 using the method 3 "fix it for me" but does not seem to do anything. (or i don't know how to use it). AFTER EVERYTHING DONE ABOVE... Everytime i log in with a new user, be it boy, girl or anything other domain account (other than the admin account already created when I first logged in to begin the fix/break), it takes a long time, and when the "preparing desktop" goes away, it starts to exe cannot open error e.g. regsvr.exe etc.. file association problem with exe QUESTION (phew finally..): Please tell me how to fix it? Thanks!

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• "Could not claim interface on camera: -6" when trying to connect usb camera (Kinect)

  - by rzetterberg

  I have installed the freenect library from openkinect.org. With that library there is a demo application which you can run from the terminal to test out the Kinect. However when I run this command I get the following output: richard@behemoth:~$ sudo freenect-glview Kinect camera test Number of devices found: 1 Could not claim interface on camera: -6 Could not open device This particular error is thrown by the library libusb by the function libusb_claim_interface and the error -6 corresponds to the LIBUSB_ERROR_BUSY. So my guess is that it has something to do with mounting the usb, rather than specifically the freenect library or the Kinect itself. So my question is how can I find out what resource is using this interface and how can I free it so that I can access it? Edit: What I have tried so far (just to be sure): Rebooted Plugged-out, plugged-in Tried different usb ports Restarted udev Additional information that might be useful: /etc/fstab: # /etc/fstab: static file system information. # # Use 'blkid -o value -s UUID' to print the universally unique identifier # for a device; this may be used with UUID= as a more robust way to name # devices that works even if disks are added and removed. See fstab(5). # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 # / was on /dev/sda1 during installation UUID=1c73f217-ac8d-451b-8390-7a680628a856 / ext4 errors=remount-ro 0 1 # swap was on /dev/sda5 during installation UUID=bb49bd29-07ec-45a0-bbab-46fb8362b06b none swap sw 0 0 sudo uname -r: Linux behemoth 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 i686 i386 GNU/Linux cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=11.10 DISTRIB_CODENAME=oneiric DISTRIB_DESCRIPTION="Ubuntu 11.10"

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• Can't Copy to Clipboard from Vim

  - by maksim

  I'm running Vim 7.3 under Linux Mint 13 (using MATE) and I'm not able to save text to the system clipboard. I run Vim in the terminal and copy text from the terminal with CTRLINSERT. When I select text in Vim (either with the mouse or in visual mode), CTRLINSERT doesn't copy any text. In addition when I right-click, Copy is grayed out. Further, I can't write to the system buffer by yanking to the corresponding register using vim commands. However, I'm able to paste while in insert mode (using SHIFTINSERT or right-click paste). I'm also able to copy text directly from the terminal using the same technique, just not text from Vim. Here is my current ~/.vimrc. The relevant part is most likely set clipboard=autoselect,unnamed,exclude:cons\|linux. If I put finish at the top of my ~/.vimrc, I have the same issue, so I think the line is wrong, but I've tried set clipboard=unnamed and had the same behavior. Could there be another config file affecting Vim's behavior? How can I change my ~/.vimrc to allow me to copy text from Vim?

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• sendmail.exe: Error during delivery. Service not available, closing transmission channel

  - by user2810332

  I have a module in my system that will trigger an email and send it to user. The email will be sent to user when the product in my system is going to expired soon. I test the whole module in localhost and there is no problem with it. Then, I finally moved the module in my server but it gives this error. sendmail: Error during delivery: Service not available, closing transmission channel. It will also create a notepad in my desktop that contains information like this : command line : C:\wamp\sendmail\sendmail.exe -t -i executable : sendmail.exe exec. date/time : 2011-06-18 01:10 compiled with : Delphi 2006/07 madExcept version : 3.0l callstack crc : $fecf9b34, $5562b2fa, $5562b2fa exception number : 1 exception class : EIdSMTPReplyError exception message : Service not available, closing transmission channel. main thread ($15b0): 0045918a +003e sendmail.exe IdReplySMTP 501 +1 TIdReplySMTP.RaiseReplyError 0043ff28 +0008 sendmail.exe IdTCPConnection 576 +0 TIdTCPConnection.RaiseExceptionForLastCmdResult 004402f4 +003c sendmail.exe IdTCPConnection 751 +10 TIdTCPConnection.CheckResponse 0043feba +002a sendmail.exe IdTCPConnection 565 +2 TIdTCPConnection.GetResponse 004403fd +002d sendmail.exe IdTCPConnection 788 +4 TIdTCPConnection.GetResponse 0045ab97 +0033 sendmail.exe IdSMTP 375 +4 TIdSMTP.Connect 004b5f14 +1060 sendmail.exe sendmail 808 +326 initialization 77013675 +0010 kernel32.dll BaseThreadInitThunk thread $cf8: 77a400e6 +0e ntdll.dll NtWaitForMultipleObjects 77013675 +10 kernel32.dll BaseThreadInitThunk thread $1088: 77a41ecf +0b ntdll.dll NtWaitForWorkViaWorkerFactory 77013675 +10 kernel32.dll BaseThreadInitThunk May I know what is the problem of this error ? Is it something like firewall in the server that block my sendmail.exe or anything else ? FYI, I'm using Wamp and Sendmail to send the email. This is my first time seeing error like this. I need an explanation on this. Thank you.

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• playsms sent sms to queue

  - by user512213

  i install playsms in my system as below mentioned way https://github.com/antonraharja/playSMS/wiki/Web-User-Interface-Installation i use kannel as a gateway and kannel running fine i get the following status while i check kannel status in browser. Kannel bearerbox version `1.4.3'. Build `Nov 24 2011 08:02:18', compiler `4.6.2'. System Linux, release 3.2.0-23-generic-pae, version #36-Ubuntu SMP Tue Apr 10 22:19:09 UTC 2012, machine i686. Hostname MSSRF-INCOIS, IP 127.0.1.1. Libxml version 2.7.8. Using OpenSSL 1.0.0e 6 Sep 2011. Compiled with MySQL 5.5.17, using MySQL 5.5.24. Using SQLite 3.7.9. Using native malloc. Status: running, uptime 0d 1h 8m 27s WDP: received 0 (0 queued), sent 0 (0 queued) SMS: received 0 (0 queued), sent 0 (0 queued), store size -1 SMS: inbound (0.00,0.00,0.00) msg/sec, outbound (0.00,0.00,0.00) msg/sec DLR: 0 queued, using internal storage Box connections: wapbox, IP 127.0.0.1 (on-line 0d 1h 8m 2s) wapbox, IP 127.0.0.1 (on-line 0d 0h 18m 11s) SMSC connections: unknown AT2[/dev/ttyS0] (online 4106s, rcvd 0, sent 0, failed 0, queued 0 msgs) But when i try to send sms in playsms means it shows "Your SMS has been delivered to queue " but sms not received .Any thing we missed out while configuration.any one advice me to proceed.

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• VSS Post Backup failures for Virtual Server 2005 R2 SP1 virtual machines

  - by califguy4christ

  We've been seeing strange errors with Volume Shadow Copy services on our Virtual Server 2005 R2 SP1 host. It appears to be failing on a strange mountpoint in the C:\WINDOWS\Temp\ folders, which I believe is used by VSS to mount a writeable image file. To summarize: The Microsoft Virtual Server 2005 Writer continually goes into a failed retryable state The Virtual Server log reports errors during the Post Backup phase VSS reports errors backing up a mount point of unknown origins The mount point causes NTFS and ftdisk errors The host is x86 Windows Server 2003 Standard, SP2. The virtual machine is the same. Both use basic disks. Here is the writer state: Writer name: 'Microsoft Virtual Server 2005 Writer' Writer Id: {76afb926-87ad-4a20-a50f-cdc69412ddfc} Writer Instance Id: {78df98e2-bf19-4804-890b-15865efef3bd} State: [11] Failed Last error: Retryable error From the Virtual Server log: Virtual Server - Vss Writer - Event ID: 1035: The VSS writer for Virtual Server failed during the PostBackup phase. The guest shadow copies did not get exposed on the host machine, after mounting all the virtual hard disks of the virtual machine VMACHINE. From the Application log: VSS - None - Event ID: 12290: Volume Shadow Copy Service warning: GetVolumeInformationW( \\?\Volume{fb84bae7-87f5-11dd-9832-001cc4961ca6}\,NULL,0, NULL,NULL,[0x00000000], , 260) == 0x0000045d. hr = 0x00000000. From the System log: Ntfs - Disk - Event ID: 55: The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume C:\WINDOWS\Temp\ {fb84bae7-87f5-11dd-9832-001cc49.... My current theory is that VSS creates a mount point for an image file of the VHD, then the software panics for some reason, leaving everything in an inconsistent state. Removing the mount point doesn't resolve the problem. All of the other disks check out fine with CHKDSK. There's no exclusion option for VHDs or to turn off online backups. Has anyone seen this kind of thing before or point me in the right direction for getting more information about the mount point and it's origins? I haven't been able to trace what application is creating that mount point.

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• openvpn TCP/UDP slow SSH/SMB performance

  - by Petr Latal

  I have question about strange behavior of my openVPN configuration on Debian lenny. I have 2 server configs (one proto tcp-server based and one proto udp based). ISP bandwidth is 7Mbit/7Mbit. When I uses proto tcp-server my download server rate is fine around 6,4 Mbit/s, but upload rate is about 3Mbit/s. When I uses proto udp, my download server rate is around 3Mbit/s and upload rate around 6,4Mbit/s. I tried to handle the MTU, MSSFIX and cipher on/off on server and client configs to synchronize rates, but without solution. Here is TCP based SERVER config: mode server tls-server port 1194 proto tcp-server dev tap0 ifconfig 11.10.15.1 255.255.255.0 ifconfig-pool 11.10.15.2 11.10.15.20 255.255.255.0 push "route 192.168.1.0 255.255.255.0" push "dhcp-option DNS 192.168.1.200" push "route-gateway 11.10.15.1" push "dhcp-option WINS 192.168.1.200" route-up /etc/openvpn/routeup.sh duplicate-cn ca /etc/openvpn/ca.crt cert /etc/openvpn/server.crt key /etc/openvpn/server.key dh /etc/openvpn/dh2048.pem log-append /var/log/openvpn.log status /var/run/vpn.status 10 user nobody group nogroup keepalive 10 120 comp-lzo verb 3 script-security 3 plugin /usr/lib/openvpn/openvpn-auth-pam.so system-auth persist-tun persist-key mssfix cipher BF-CBC Here is UDP based SERVER config: port 1194 proto udp dev tun0 local xx.xx.xx.xx server 11.10.15.0 255.255.255.0 ca /etc/openvpn/ca.crt cert /etc/openvpn/server.crt key /etc/openvpn/server.key dh /etc/openvpn/dh2048.pem log-append /var/log/openvpn.log status /var/run/vpn.status 10 user nobody group nogroup keepalive 10 120 comp-lzo verb 3 duplicate-cn script-security 3 plugin /usr/lib/openvpn/openvpn-auth-pam.so system-auth persist-tun persist-key tun-mtu 1500 mssfix 1212 client-to-client ifconfig-pool-persist ipp.txt Here is TCP/UDP based windows CLIENT config: remote xx.xx.xx.xx --socket-flags TCP_NODELAY tls-client port 1194 proto tcp-client #proto udp dev tap #dev tun pull ca ca.crt cert latis.crt key latis.key mute 0 comp-lzo adaptive verb 3 resolv-retry infinite nobind persist-key auth-user-pass auth-nocache script-security 2 mssfix cipher BF-CBC

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• APC + FPM memory fragmentation without a reason

  - by palmic

  My setup @ debian 6-testing is: nginx 1.1.8 + php 5.3.8 + php-fpm + APC 3.1.9 Because i use automatic deployment with apc_clear_cache() after deploy, my target is to set up APC to cache all my project (up to 612 php files smaller than 1MB) without files changes checking. My confs: FPM: pm.max_children = 25 pm.start_servers = 4 pm.min_spare_servers = 2 pm.max_spare_servers = 10 pm.max_requests = 500 APC: pc.enabled="1" apc.shm_segments = 1 apc.shm_size="64M" apc.num_files_hint = 640 apc.user_entries_hint = 0 apc.ttl="7200" apc.user_ttl="7200" apc.gc_ttl="600" apc.cache_by_default="1" apc.filters = "apc\.php$,apc_clear.php$" apc.canonicalize="0" apc.slam_defense="1" apc.localcache="1" apc.localcache.size="512M" apc.mmap_file_mask="/tmp/apc-php5.XXXXXX" apc.enable_cli="0" apc.max_file_size = 2M apc.write_lock="1" apc.localcache = 1 apc.localcache.size = 512 apc.report_autofilter="0" apc.include_once_override="0" apc.coredump_unmap="0" apc.stat="0" apc.stat_ctime="0" The problem is i have my APC memory fragmented into 5 pieces at 14,5MB loaded into memory which capacity is 64M. My system memory is 640MB, used about 270MB at most. The http responses lasts about 300ms - 5s. When i switch on apc.stat="1", the responses are about 50ms - 80ms which is quite good, but i cannot understand why is apc.stat="0" so much whorse. The APC diagnostic tool shows "1 Segment(s) with 64.0 MBytes (mmap memory, pthread mutex Locks locking)" in general cache information window so i hope i am right that it's mmap setup which allows tweaking APC shm onto upper values than shows system limit in /proc/sys/kernel/shmmax (my shows 33MB).

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• How can I resolve Oracle 11g XE connection failure straight after installation?

  - by d3vid

  I have just installed Oracle 11g XE on a Windows 7 VirtualBox VM, using all the default options. "Getting Started" fails When I click on Getting Started I get taken to http://127.0.0.1:8080/apex/f?p=4950 which fails. After some browsing I came across a suggestion to confirm the HTTP port, but I can't get this far, because I can't connect. connect system fails If I select Run SQL command line I get taken to a SQL prompt. I enter connect system and get prompted for a password. I enter the password. I immediately get the following error: ERROR: ORA-01033: ORACLE initialization or shutdown in progress Process ID: 0 Session ID: 0 Serial number: 0 Info: Start database This happens whether or not I run Start database first. (Start database just opens a Windows command prompt window.) Info: Windows services My Oracle services start as follows: Starting the manual services doesn't resolve the problem. Enabling and starting the disabled service doesn't resolve the problem. Is there something I haven't done? How can I resolve this connection error?

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• How do I provide dpkg configuration parameters to aptitude or apt-get?

  - by troutwine

  When installing gitolite I find that: # aptitude install gitolite The following NEW packages will be installed: gitolite 0 packages upgraded, 1 newly installed, 0 to remove and 29 not upgraded. Need to get 114 kB of archives. After unpacking 348 kB will be used. Get:1 http://security.debian.org/ squeeze/updates/main gitolite all 1.5.4-2+squeeze1 [114 kB] Fetched 114 kB in 0s (202 kB/s) Preconfiguring packages ... Selecting previously deselected package gitolite. (Reading database ... 30593 files and directories currently installed.) Unpacking gitolite (from .../gitolite_1.5.4-2+squeeze1_all.deb) ... Setting up gitolite (1.5.4-2+squeeze1) ... No adminkey given - not initializing gitolite in /var/lib/gitolite. The last line is of interest to me. If I run dpkg-reconfigure -plow gitolite I am presented with a dialog and can modify: the system user name for gitolite, the location of the gitolite repositories and provide the admin pubkey. I'd prefer to use the git system user and provide the admin pubkey on installation, say something of the sort: # aptitude install gitolite --user git --admin-pubkey 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQDAc7kCAi2WkvqpAL1fK1sIw6xjpatJ+Ms2nrwLJPhdovEY3MPZF7mtH+rv1CHFDn66fLGiWevOFp...' That, of course, doesn't work. Can something similar be done? How do I determine the configuration parameters ahead of time? This would be remarkably useful, for instance, when installing gitolite automatically, via puppet or chef.

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• URL Rewriting on GoDaddy Virtual Server

  - by Aristotle

  I migrated a Kohana2 application from a shared-hosting environment over to a virtual dedicated server. After this migration, I can't seem to get my .htaccess file working again. I apologize up front, but over the years I have never experienced so much frustration with anything else as I do with the dreaded .htaccess file. Presently I have my project installed immediately within a directory in my public folder: /var/html/www/info.php (general information about server) /var/html/www/logo.jpg (some flat file) /var/html/www/somesite.com/[kohana site exists here] So my .htaccess file is within that directory, and has the following contents: # Turn on URL rewriting RewriteEngine On # Installation directory RewriteBase /somesite.com/ # Protect application and system files from being viewed # This is only necessary when these files are inside the webserver document root RewriteRule ^(application|modules|system) - [R=404,L] # Allow any files or directories that exist to be displayed directly RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d # Rewrite all other URLs to index.php/URL RewriteRule .* index.php?kohana_uri=$0 [PT,QSA,L] # Alternativly, if the rewrite rule above does not work try this instead: #RewriteRule .* index.php?kohana_uri=$0 [PT,QSA,L] This doesn't work. The initial controller is loaded, since index.php is called up implicitly when nothing else is in the url. But if I try to load up some other non-default controller, the site fails. If I place the index.php back within the url, the call to other controllers works just fine. I'm really at my wits end, and would appreciate some direction here.

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• run script as another user from a root script with no tty stdin

  - by viktor tron

  Using CentOs, I want to run a script as user 'training' as a system service. I use daemontools to monitor the process, which needs a launcher script that is run as root and has no tty standard in. Below I give my four different attempts which all fail. : #!/bin/bash exec >> /var/log/training_service.log 2>&1 setuidgid training training_command This last line is not good enough since for training_command, we need environment for trqaining user to be set. : su - training -c 'training_command' This looks like it (http://serverfault.com/questions/44400/run-a-shell-script-as-a-different-user) but gives 'standard in must be tty' as su making sure tty is present to potentially accept password. I know I could make this disappear by modifying /etc/sudoers (a la http://superuser.com/questions/119376/bash-su-script-giving-an-error-standard-in-must-be-a-tty) but i am reluctant and unsure of consequences. : runuser - training -c 'training_command' This one gives runuser: cannot set groups: Connection refused. I found no sense or resolution to this error. : ssh -p100 training@localhost 'source $HOME/.bashrc; training_command' This one is more of a joke to show desparation. Even this one fails with Host key verification failed. (the host key IS in known_hosts, etc). Note: all of 2,3,4 work as they should if I run the wrapper script from a root shell. problems only occur if the system service monitor (daemontools) launches it (no tty terminal I guess). I am stuck. Is this something so hard to achieve? I appreciate all insight and guidance to best practice. (this has also been posted on superuser: http://superuser.com/questions/434235/script-calling-script-as-other-user)

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• SNMPD running but not listening for connections at random

  - by Lukasz

  OS: CentOS release 5.7 (Final) Net-SNMP: net-snmp-5.3.2.2-14.el5_7.1 (from RPM) Periodically my NMS notifies me that SNMP has gone down on this machine. The service is restored in between 10 to 30 minutes. My NMS also pings and check SSH and those services are not affected during the SNMP outage. SNMPD log file shows that it is working and apparently receiving packets (either from local agents from 127.0.0.1 or from my NMS at 172.16.37.37) however attempting to snmpwalk locally or from the NMS system fails with a timeout. I have 7 of these servers running mixture of CentOS 5.7 and RHEL 5.7 with this specific version of Net-SNMP installed from RPM - none of them have this issue except this one. 5 of the machines (including the NMS system and this problem server) are in the same rack connected using one switch. Restarting SNMPD does not fix the issue - it clears up by itself eventually. Any suggestions where I can begin diagnosing the issue? It's a closed subnet so IPTables is not used. SNMPD config below: # Following entries were added by HP Insight Management Agents at # Tue May 15 10:58:17 CLT 2012 dlmod cmaX /usr/lib64/libcmaX64.so rwcommunity public 127.0.0.1 rocommunity public 127.0.0.1 rwcommunity 3adRabRu 172.16.37.37 rocommunity 3adRabRu 172.16.37.37 rwcommunity 3adRabRu 172.16.37.36 rocommunity 3adRabRu 172.16.37.36 trapcommunity callmetraps trapsink 172.16.37.37 callmetraps trapsink 172.16.37.36 callmetraps syscontact Lukasz Piwowarek syslocation Santiago, Chile # ---------------------- END -------------------- agentAddress udp:161 com2sec rwlocal default public com2sec rolocal default public com2sec subnet default 3adRabRu group rwv2c v2c rwlocal group rov2c v2c rolocal group rov2c v2c subnet view all included .1 access rwv2c "" any noauth exact all all none access rov2c "" any noauth exact all none none

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• Getting 401 when using client certificate with IIS 7.5

  - by Jacob

  I'm trying to configure a web site hosted under IIS 7.5 so that requests to a specific location require client certificate authentication. With my current setup, I still get a "401 - Unauthorized: Access is denied due to invalid credentials" when accessing the location with my client cert. Here's the web.config fragment that sets things up: <location path="MyWebService.asmx"> <system.webServer> <security> <access sslFlags="Ssl, SslNegotiateCert"/> <authentication> <windowsAuthentication enabled="false"/> <anonymousAuthentication enabled="false"/> <digestAuthentication enabled="false"/> <basicAuthentication enabled="false"/> <iisClientCertificateMappingAuthentication enabled="true" oneToOneCertificateMappingsEnabled="true"> <oneToOneMappings> <add enabled="true" certificate="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"/> </oneToOneMappings> </iisClientCertificateMappingAuthentication> </authentication> </security> </system.webServer> </location> The client certificate I'm using in my web browser matches what I've placed in the web.config. What am I doing wrong here?

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• How to run some commands after booting from ArchLinux disk? Or how to change some settings in .iso before booting?

  - by Alexander Ovchinnikov

  How to install Arch Linux with traditional installer with only ssh-access to server? There is nice guide: https://wiki.archlinux.org/index.php/Install_from_SSH I try test this on my home vps: Start VPS with any linux bootable cd and login to remote server (vps) wget http://mirrors.kernel.org/archlinux/iso/latest/archlinux-2010.05-netinstall-x86_64.iso dd if=archlinux-2010.05-netinstall-x86_64.iso of=/dev/sda reboot ... I see, it works but without ssh connection... I need make script, which will send this commands after reboot: aif -p partial-configure-network (and write some information about my server ip etc.) /etc/rc.d/sshd start (need to start sshd) echo "sshd: ALL" /etc/hosts.allow (to allow me login to server, by default deny all) passwd (by default its empty, can't login via ssh with empty password) Can I edit .iso or may be /dev/sda? May be I need write script, which will start after system boot and do this things or may be I can set this settings by default and system will start with correct settings (i think its possible at least in 2. and 3.). Thank you!

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• Dell Poweredge 2600 RAID Transfer How-to

  - by DCookie

  Help, please! Hardware: Dell Poweredge 2600 PERC 4 SCSI Drives, 1 standalone 3 in a RAID 5 configuration OS: Windows 2000 Server In other words, a fairly old system. Anyway, we are in the process of taking over support for this site. The current tech wants out and is fading from view fast, so we need to solve this problem: The standalone disk (where the OS was) failed. We've replaced the disk, installed the OS, but need to know exactly how to proceed from here. I've never worked with a RAID system before, so I don't want to touch anything without knowing what I'm doing. We are not certain if the site will want us to attempt to recover the array or wait for the old tech to become available. We have replaced the server with a temporary box, and recovered MOST of the data from an online backup service. However, the other tech failed to backup a part of the data and the only copy of it is on this RAID array. Hence, our caution. We have poked minimally around in the boot-up PERC config utility, and it seems to me that that's where we'll need to be to reclaim the array. Another possibility is that there is some Dell software for the RAID controller we need to acquire. Can anyone provide clues as to how to proceed from here? Any help GREATLY appreciated.

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• Do We Indeed Have a Future? George Takei on Star Wars.

  - by Bil Simser

  George Takei (rhymes with Okay), probably best known for playing Hikaru Sulu on the original Star Trek, has always had deep concerns for the present and the future. Whether on Earth or among the stars, he has the welfare of humanity very much at heart. I was digging through my old copies of Famous Monsters of Filmland, a great publication on monster and films that I grew up with, and came across this. This was his reaction to STAR WARS from issue 139 of Famous Monsters of Filmland and was written June 6, 1977. It is reprinted here without permission but I hope since the message is still valid to this day and has never been reprinted anywhere, nobody will mind me sharing it. STAR WARS is the most pre-posterously diverting galactic escape and at the same time the most hideously credible portent of the future yet.While I thrilled to the exploits that reminded me of the heroics of Errol Flynn as Robin Hood, Burt Lancaster as the Crimson Pirate and Buster Crabbe as Flash Gordon, I was at the same time aghast at the phantasmagoric violence technology can place at our disposal. STAR WARS raised in my mind the question - do we indeed have a future?It seems to me what George Lucas has done is to masterfully guide us on a journey through space and time and bring us back face to face with today's reality. STAR WARS is more than science fiction, I think it is science fictitious reality.Just yesterday, June 7, 1977, I read that the United States will embark on the production of a neutron bomb - a bomb that will kill people on a gigantic scale but will not destroy buildings. A few days before that, I read that the Pentagon is fearful that the Soviets may have developed a warhead that could neutralize ours that have a capacity for that irrational concept overkill to the nth power. Already, it seems we have the technology to realize the awesome special effects simulations that we saw in the film.The political scene of STAR WARS is that of government by force and power, of revolutions based on some unfathomable grievance, survival through a combination of cunning and luck and success by the harnessing of technology -  a picture not very much at variance from the political headlines that we read today.And most of all, look at the people; both the heroes in the film and the reaction of the audience. First, the heroes; Luke Skywalker is a pretty but easily led youth. Without any real philosophy to guide him, he easily falls under the influence of a mystical old man believed previously to be an eccentric hermit. Recognize a 1960's hippie or a 1970's moonie? Han Solo has a philosophy coupled with courage and skill. His philosophy is money. His proficiency comes for a price - the highest. Solo is a thoroughly avaricious mercenary. And the Princess, a decisive, strong, self-confident and chilly woman. The audience cheered when she wielded a gun. In all three, I missed qualities that could be called humane - love, kindness, yes, I missed sensuality. I also missed a sense of ideals and faith. In this regard the machines seemed more human. They demonstrated real affection for each other and an occasional poutiness. They exhibited a sense of fidelity and constancy. The machines were humanized and the humans conversely seemed mechanical.As a member of the audience, I was swept up by the sheer romantic escapsim of it all. The deering-dos, the rope swing escape across the pit, the ray gun battles and especially the swash buckle with the ray swords. Great fun!But I just hope that we weren't too intoxicated by the escapism to be able to focus on the recognizable. I hope the beauty of the effects didn't narcotize our sensitivity to violence. I hope the people see through the fantastically well done futuristic mirrors to the disquieting reflection of our own society. I hope they enjoy STAR WARS without being "purely entertained".

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• CentOS 5.5 ext4 conversion problem - ext4 partition is recognized as ext3

  - by FractalizeR

  Hello. I had 5.4 machine. Upgraded to 5.5 today via yum upgrade. All went fine. Rebooted. Wanted to convert root partition to ext4 (I have three partitions: /boot, / and swap). All of them on software RAID 1 (root is /dev/md2). I did the following for converting yum install e4fsprogs tune2fs -O extents,uninit_bg,dir_index /dev/md2 nano /etc/fstab # I indicated here that my /dev/md2 is of ext4 uname -a mkinitrd -f /boot/initrd-2.6.18-194.3.1.el5.img 2.6.18-194.3.1.el5 Rebooted. I expected fsck to start automatically as said on some site. But it did not. Threw some error (don't remember exactly which). Ok, I booted linux rescue and executed fsck: fsck -t ext4 -fy /dev/md2 Partition went fine. But still when I boot main system, it says in log: "ext3-fs:" then something about not being able to mount ext3 partition due to unknown extended attributed (200). I booted linux rescue again. It loads fine and correctly determines all my machine partitions both ext3 (boot) and ext4 (/) under /mnt/sysimage just fine. I retried mkinitrd thing again watching it's output and ensured ext4 module is included into the system. I also edited menu.lst grub file to include rootfstype=ext4 kernel parameter. Bad luck. I still have message from ext3-fs about not being able to mount filesystem because of attributes and kernel panic immediately after. I checked /etc/fstab - it's fine and saying that root is of ext4. What did I do wrong? This machine is empty so I can just reformat it with 5.5 and recreate partitions to be originally ext4. But... I just want to know what did I do wrong.

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• How can I fix my corrupted RAID1 ext4 partition on a Synology DS212 NAS?

  - by Neil

  I have two identical 3 TB disks that were in a RAID1 array, where one disk crashed. I replaced the failed disk, but not after the RAID partitions got messed up. I need to figure out how to restore the RAID array and get at my ext4 partition. Here are the properties of the surviving disk: # fdisk -l /dev/sda fdisk: device has more than 2^32 sectors, can't use all of them Disk /dev/sda: 2199.0 GB, 2199023255040 bytes 255 heads, 63 sectors/track, 267349 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 1 267350 2147483647+ ee EFI GPT # parted /dev/sda print Model: ATA ST3000DM001-9YN1 (scsi) Disk /dev/sda: 3001GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 1 131kB 2550MB 2550MB ext4 raid 2 2550MB 4698MB 2147MB linux-swap(v1) raid 5 4840MB 3001GB 2996GB raid I replaced the failed drive, and cloned the surviving drive to it so I have something to work with. I cloned the drives with dd if=/dev/sdb of=/dev/sda conv=noerror bs=64M, and now /dev/sda and /dev/sdb are identical. Here is the RAID information: # cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] md1 : active raid1 sdb2[1] 2097088 blocks [2/1] [_U] md0 : active raid1 sdb1[1] 2490176 blocks [2/1] [_U] unused devices: <none> It seems that md2 is missing. Here is what testdisk 6.14-WIP finds: Disk /dev/sda - 3000 GB / 2794 GiB - CHS 364801 255 63 Current partition structure: Partition Start End Size in sectors 1 P Linux Raid 256 4980735 4980480 [md0] 2 P Linux Raid 4980736 9175039 4194304 [md1] Invalid RAID superblock 5 P Linux Raid 9453280 5860519007 5851065728 5 P Linux Raid 9453280 5860519007 5851065728 # After a quick search Disk /dev/sda - 3000 GB / 2794 GiB - CHS 364801 255 63 Partition Start End Size in sectors D MS Data 256 4980607 4980352 [1.41.12-2197] D Linux Raid 256 4980735 4980480 [md0] D Linux Swap 4980736 9174895 4194160 D Linux Raid 4980736 9175039 4194304 [md1] >P MS Data 9481056 5858437983 5848956928 [1.41.12-2228] And listing the files on the last partition in the list shows all of my files intact. What should I do?

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• Error when trying to deploy Windows XP SP3 with WDS

  - by Nic Young

  I have created a WDS server running Windows Server 2008 R2. I have built my custom images of Windows 7 using WAIK and MDT 2010 that are installed on the server. I used this guide to help me through the process. The Windows 7 images that I have created capture and deploy properly. I am attempting to follow the same steps from the guide I linked to capture and deploy a Windows XP SP3 image. I am able to sysprep and capture the reference machine with no errors. I am then able to import the custom .wim that I just captured in to MDT 2010 with no issues either. However when I try to deploy this image to a test virtual machine I get the following error: Deployment Error: I have made sure that the .iso that I am importing the source files from originally to create the sysprep and capture sequence is indeed a Windows XP SP3 iso. When I first select a PE boot environment before I deploy I select the x86 PE boot image that I created originally when making this for my Windows 7 deployments. Could this be the issue? If so how do I make a boot image specific for Windows XP SP3 deployments? I have Googled around for this error and some places point to the deployment image not being able to find setup.exe and other important system files for installing the operating system. If so, how do I add these to the image? Any ideas?

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• Windows NT from vmware to kvm

  - by Luca Rossi

  I'm trying to convert a couple of old Windows NT virtual servers from vmware to KVM. I tried almost all guidelines and how to I found around the web but with no luck. I have the vmware virtual disk: Dlc1.vmdk partitioned image. I converted the vmdk into qcow2 image with the qemu utility and I tried to use it with kvm: kvm -hda test.qemu -vnc :1 -m 750 but I receive "error loading operating system" I also tried with raw partitions I can mount through losetup and kpartx. but nothing changed I also tried to create an brand new image file with: qemu-img create -f qcow2 test.qcow2 2G I partitioned the new image file and I copied the original partition 1 to the new partition 1 with dd: dd if=/dev/mapper/loop1p1 of=/dev/mapper/loop0p1 bs=128M no luck again I also tried with a single unpartitioned file: qemu-img create -f qcow2 test.qcow2 2G and I copied the partition 1 to the new image file: dd if=/dev/mapper/loop0p1 of=test.img bs=128M but when booting, I receive a black screen and the virtual machine hangs. The bootloader is loaded successfully, because I also tried with a GRUB live iso and I receive the same screens and errors. Note that grub sees the Windows setup and give me the boot choice. I have the suspect the problem is that the vmware machine is probably a scsi guest and in centos 6 (my system) scsi emulation is no longer supported. But in that case, where to change in Windows? I'm not so skilled with MS systems. Thank you for the help Luca Rossi

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• Boot ISO image from GRUB4DOS on EFI machines

  - by Vladimir Tikhomirov

  I failed with loading ISO image (non-distro) from GRUB2 from USB stick, but found the way how I can boot the GRUB4DOS and then load the image from there. However, it doesn't work all the time and the questions is WHY it doesn't? Environment and loading process: We need to have EFI machine, USB stick, booting ISO, GRUB2 and GRUB4DOS. Last 3 on USB stick. Boot: USB - EFI loader - GRUB2 - GRUB4DOS - ISO image Configuration files To boot GRUB4DOS I use this from grub.cfg: menuentry "image.iso" { linux /syslinux/grub.exe --config-file="/menu.lst" } My menu.lst is here: timeout 20 default 0 title image.iso find --set-root --ignore-floppies --ignore-cd //image.iso map --heads=0 --sectors-per-track=0 //image.iso (hd32) map --hook chainloader (hd32) This works perfectly with Legacy machines. However, when I come to GRUB4DOS, I don't see the menu with image.iso, I see only GRUB command line. That means that my menu.lst didn't load. Why is it like this? Background and ideas I have an idea that GRUB4DOS doesn't recognize my USB stick as a device. I tried the command find and got (hd0,0), (hd0,1), (hd0,2), (rd). When I tried to set root to any of these devices I don't see fat file system, how it was with Legacy machines. The root device is (hd0,0), which has ntfs file system which should be partition with Windows. EFI machines support only GRUB2, so I can't boot GRUB4DOS straight away. Please, don't suggest anything like this, because my image doesn't have kernel. You can imagine that you load HDAT2 or Hiren's boot cd, for example. menuentry "Blancco Blancco5.iso" { set isofile="/image.iso" loopback loop $isofile set root=(loop) linux /isolinux/vmlinuz isofile=$isofile splash quiet initrd /isolinux/initrd }

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