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  • Permission denied while reading upstream

    - by user68613
    We have deployed our rails application on on nginx and passenger.Intermittently pages of application get loaded partially.There is no error in application log.But nginx error log shows the following : 2011/02/14 05:49:34 [crit] 25389#0: *645 open() "/opt/nginx/proxy_temp/2/02/0000000022" failed (13: Permission denied) while reading upstream, client: x.x.x.x, server: y.y.y.y, request: "GET /signup/procedures?count=0 HTTP/1.1", upstream: "passenger:unix:/passenger_helper_server:", host: "y.y.y.y", referrer: "http://y.y.y.y/signup/procedures"

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  • How to document mail setup after hand-over.

    - by BradyKelly
    I've just moved a client's email services over from my host to Google Apps. I would like to hand over a document providing all they (or their agent) need should I not be available etc. How are such documents normally structured, and what level of detail should they contain? I know user names and passwords are essential, and instructions on how to manage domains on Google Apps are over the top, but what is a commonly used middle ground?

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  • fast X11 forwarding

    - by user20196
    Hi, I am using ssh -X to display GUI apps locally. Is there a better way to speedup this processes - something similar what NoMachine Nx server / client does? Thanks, Mariusz.

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  • Accessing a persistent ssh tunnel

    - by woowaa
    How do I pass commands (shell) to a persistent SSH tunnel rather than open a connection for every instance? I have a Python scraper running on a client server which passes URL variables and shell commands to a remote host via a reverse tunnel (forwarded port), so that the URL's are then executed on the host (python fabric ssh localhost:12345 'browser open URL'). I could make the reverse tunnel persistent but how do I echo the url/command to the session? Update - ControlMaster (built into SSH) solves this one.

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  • How do I Ban/un-ban users in Hamachi2?

    - by Paige Watson
    I was using Hamachi (v1) and banned a couple of users for a week. During this time, Hamachi auto-updated to Hamachi2, and now I can't find the ban/un-ban function. Any idea where this is and how to un-ban a user? I tried re-installing the Hamachi (v1) client, but when I started it, it auto-updated to v2.

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  • How to remove the Junk E-mail folder from Outlook?

    - by BenA
    Is it possible to do this? I'm using Outlook with my GMail account, and as such I don't really need/want the Junk E-mail folder as GMail does a sufficiently good job in filtering out the spam. I've tried using both another email client (Thunderbird) and the GMail web app to remove the folder, but Outlook just recreates it the next time it starts up. If I can't remove it, is there a way to map the folder Outlook is using to the GMail/Spam folder instead?

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  • When does ISC dhcpd expire leases

    - by Joachim Breitner
    When exactly does ISC dhcpd forget a lease that is not explicitly freed by the client? Context: I am running an installation with many small pools (3 address) and it does not seem to cope well when all three leases are taken. Nevertheless I see entries in dhcpd.leases-file whose end date has passed. Also, these entries are counted towards the number of used leases for the adaptive lease time feature. Shouldn’t these be considered unused?

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  • Resize partition of Windows 7 running on VirtualBox with dynamically allocated storage

    - by Nicolas Raoul
    I run Windows 7 inside VirtualBox. I resized the disk of Windows 7 from 25 GB to 50 GB: VBoxManage modifyhd Windows\ 7\ Pro.vdi --resize 50000 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% PROBLEM: I can' grow the partition, neither with Windows 7 itself nor with GParted: It looks like VirtualBox does not tell the client OS about the new size. What additional step is necessary?

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  • Software to block Facebook [closed]

    - by the_learner
    I wish to install a software in server of my office which can block facebook or any other website which I wish to block in client systems. (I dont want to edit host file for the same purpose) I google it out and found lots of them...but I am confused which is the best. Please suggest me some good blocking softwares along with download link (if providing link is possible, else no probz) Thanks in advance...

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  • Trying to setup postfix

    - by Frexuz
    I used this guide: http://jonsview.com/how-to-setup-email-services-on-ubuntu-using-postfix-tlssasl-and-dovecot telnet localhost 25 says 220 episodecalendar.com ESMTP Postfix (Ubuntu) ehlo localhost 250-episodecalendar.com 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH LOGIN PLAIN 250-AUTH=LOGIN PLAIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN Installation seems fine? /var/log/mail.log says Nov 26 14:04:06 ubuntu postfix/pickup[12107]: A742E2B9E1: uid=0 from=<root> Nov 26 14:04:06 ubuntu postfix/cleanup[12114]: A742E2B9E1: message-id=<[email protected]> Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: A742E2B9E1: from=<[email protected]>, size=300, nrcpt=1 (queue active) Nov 26 14:04:06 ubuntu postfix/local[12115]: A742E2B9E1: to=<[email protected]>, relay=local, delay=3.3, delays=3.3/0/0/$ Nov 26 14:04:06 ubuntu postfix/cleanup[12114]: AD2662B9E0: message-id=<[email protected]> Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: AD2662B9E0: from=<>, size=2087, nrcpt=1 (queue active) Nov 26 14:04:06 ubuntu postfix/bounce[12117]: A742E2B9E1: sender non-delivery notification: AD2662B9E0 Nov 26 14:04:06 ubuntu postfix/local[12115]: AD2662B9E0: to=<[email protected]>, relay=local, delay=0.02, delays=0.01/0/0/0$ Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: AD2662B9E0: removed Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: A742E2B9E1: removed I'm not really understanding the log file, and obviously I'm not getting any emails. Right now I'm running Ubuntu on a Virtualbox (development box). Is that a problem? The internet connection works fine on it. What about domains etc..? edit: /etc/postfix/main.cf # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_use_tls = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_use_tls = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client.

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  • Appointment scheduling web service ?

    - by Tal Galili
    Hi all. I am looking for a web service that can allow me to publish an online calendar in which I offer open time slots - and then clients can fill in when they would like to come. And if a time is taken by one client, another won't be able to take it. What services can offer this? Thanks.

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  • One Database vs. Multiple Databases

    - by Ricardo
    I need to design a system which represents multiple "projects", one per client in SQL Server , something similar to StackExchange... same data model, different sites (one per customer). Each project has the same data model, but is independent of all others. My inclination is to use one database to store all projects. What is your recommendation?

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  • open-sshd service withou pam support !! How can I add pam support to sshd? Ubuntu

    - by marc.riera
    Hi, I'm using AD as my user account server with ldap. Most of the servers run with UsePam yes except this one, it has lack of pam support on sshd. root@linserv9:~# ldd /usr/sbin/sshd linux-vdso.so.1 => (0x00007fff621fe000) libutil.so.1 => /lib/libutil.so.1 (0x00007fd759d0b000) libz.so.1 => /usr/lib/libz.so.1 (0x00007fd759af4000) libnsl.so.1 => /lib/libnsl.so.1 (0x00007fd7598db000) libcrypto.so.0.9.8 => /usr/lib/libcrypto.so.0.9.8 (0x00007fd75955b000) libcrypt.so.1 => /lib/libcrypt.so.1 (0x00007fd759323000) libc.so.6 => /lib/libc.so.6 (0x00007fd758fc1000) libdl.so.2 => /lib/libdl.so.2 (0x00007fd758dbd000) /lib64/ld-linux-x86-64.so.2 (0x00007fd759f0e000) I have this packages installed root@linserv9:~# dpkg -l|grep -E 'pam|ssh' ii denyhosts 2.6-2.1 an utility to help sys admins thwart ssh hac ii libpam-modules 0.99.7.1-5ubuntu6.1 Pluggable Authentication Modules for PAM ii libpam-runtime 0.99.7.1-5ubuntu6.1 Runtime support for the PAM library ii libpam-ssh 1.91.0-9.2 enable SSO behavior for ssh and pam ii libpam0g 0.99.7.1-5ubuntu6.1 Pluggable Authentication Modules library ii libpam0g-dev 0.99.7.1-5ubuntu6.1 Development files for PAM ii openssh-blacklist 0.1-1ubuntu0.8.04.1 list of blacklisted OpenSSH RSA and DSA keys ii openssh-client 1:4.7p1-8ubuntu1.2 secure shell client, an rlogin/rsh/rcp repla ii openssh-server 1:4.7p1-8ubuntu1.2 secure shell server, an rshd replacement ii quest-openssh 5.2p1_q13-1 Secure shell root@linserv9:~# What I'm doing wrong? thanks. Edit: root@linserv9:~# cat /etc/pam.d/sshd # PAM configuration for the Secure Shell service # Read environment variables from /etc/environment and # /etc/security/pam_env.conf. auth required pam_env.so # [1] # In Debian 4.0 (etch), locale-related environment variables were moved to # /etc/default/locale, so read that as well. auth required pam_env.so envfile=/etc/default/locale # Standard Un*x authentication. @include common-auth # Disallow non-root logins when /etc/nologin exists. account required pam_nologin.so # Uncomment and edit /etc/security/access.conf if you need to set complex # access limits that are hard to express in sshd_config. # account required pam_access.so # Standard Un*x authorization. @include common-account # Standard Un*x session setup and teardown. @include common-session # Print the message of the day upon successful login. session optional pam_motd.so # [1] # Print the status of the user's mailbox upon successful login. session optional pam_mail.so standard noenv # [1] # Set up user limits from /etc/security/limits.conf. session required pam_limits.so # Set up SELinux capabilities (need modified pam) # session required pam_selinux.so multiple # Standard Un*x password updating. @include common-password

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  • Accessing guests on virtual network when connected to host via PPTP

    - by Viktor Elofsson
    I'm setting up a development machine which runs Ubuntu 12.04 and KVM for virtualization. I have a guest running Ubuntu 12.04 which can be accessed from the host via its IP address which is assigned by libvirt. The guest can also access the internet, no problem there. However, now I want to setup PPTP so I can connect to the host (from my workstation running Windows 7) and directly access guests without relying on SSH port forwarding. I can connect from my W7-machine to the host (PPTP), but I cannot access any virtual machines (which are accessable from the host directly). Relevant configuration files cat /etc/network/interfaces auto lo iface lo inet loopback # device: eth0 auto eth0 iface eth0 inet static address x.x.x.x broadcast x.x.x.x netmask x.x.x.x gateway x.x.x.x # default route to access subnet up route add -net x.x.x.x netmask x.x.x.x gw x.x.x.x eth0 virsh net-edit default <network> <name>default</name> <uuid>xxxxxxxx-72ce-3c20-af0f-d3a010f1bef0</uuid> <forward mode='nat'/> <bridge name='virbr0' stp='on' delay='0' /> <mac address='52:54:00:xx:xx:xx'/> <ip address='192.168.122.1' netmask='255.255.255.0'> <dhcp> <range start='192.168.122.2' end='192.168.122.254' /> <host mac='52:54:00:yy:yy:yy' name='web1' ip='192.168.122.11' /> </dhcp> </ip> </network> cat /etc/pptpd.conf (commented lines removed) # TAG: option # Specifies the location of the PPP options file. # By default PPP looks in '/etc/ppp/options' # option /etc/ppp/pptpd-options # TAG: logwtmp # Use wtmp(5) to record client connections and disconnections. # logwtmp #(Recommended) localip 192.168.122.1 remoteip 192.168.122.234-238,192.168.122.245 cat /etc/ppp/chap-secrets* # Secrets for authentication using CHAP # client server secret IP addresses xxxxx * yyyyyyyyyy 192.168.122.100 I get the correct IP address when connecting my W7-machine, but when I try to ping the virtual machine at 192.168.122.11 I get Reply from 192.168.122.1: Destination port unreachable. It's probably something trivial I'm missing but I can't for the life of me figure out what it is. So I'm turning to you, serverfault.

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  • How do I install informix odbc on windows server 2003/2008?

    - by zombiegx
    I installed the informix client sdk on my pc (32 bit) and on the server, I could create an odbc connection on my pc easily, but on both windows 2003 and 2008 (64 bit) I can't. I don't know if there is a 64 bit sdk, maybe this is the issue. But I haven't found what to do. I need to use odbc since using the sdk by itself hangs IIS, and according to this post http://forums.asp.net/p/1269896/2425034.aspx#2425034 the solution is to use odbc. thanks

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  • Why there are three rounds of message exchanges for integrated windows authentication for IE

    - by user197658
    According to the result monitored by fiddler, there are totally 3 handshakes for integrated windows authentication for IE. GET /home - 401 Unauthorized WWW-Authenticate: Negotiate, NTLM GET /home Authorization: Negotiate UYTYGHGYKHKJPPP-=== - 401 Unauthorized WWW-Authenticate: Negotiate UYUGKJKJKJ+++766== Get /home Authorization: Negotiate HJGKJLJLJ+++=== - 200 OK WWW-Authenticate: Negotiate UHLKJKJKJJLK=== Who knows what concrete things are done for the three, especially the 2nd one. P.S. The network environment is work group mode, other than domain mode, and the server is a website hosted on my local PC. In other words, the client (IE) & the server are both in the same machine.

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  • How do I tell Thunderbird **never** to send (or even try to send) html emails?

    - by Brent.Longborough
    I hate html-based email, and always do everything possible to send my emails as plain text. My email client is Thunderbird, and it's always pestering me with questions like "This recipient cannot receive html..." or "In order to sign this email, it needs to be converted to plain text..." Is there a way I can simply say to Thunderbird "Look, old chap, it's all plain text, so don't bother me any more, ever, again"?

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  • mysql: job failded to start. mysqld.sock is missing

    - by Freefri
    How can I fix this and start mysql-server? After /etc/init.d/mysql start or service mysql start I get the message start: "Job failed to start" And after # mysqld I get this: mysqld 121123 11:33:33 [ERROR] Can't find messagefile '/usr/share/mysql/errmsg.sys' 121123 11:33:33 [Note] Plugin 'FEDERATED' is disabled. mysqld: Unknown error 1146 121123 11:33:33 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it. 121123 11:33:33 InnoDB: The InnoDB memory heap is disabled 121123 11:33:33 InnoDB: Mutexes and rw_locks use GCC atomic builtins 121123 11:33:33 InnoDB: Compressed tables use zlib 1.2.3.4 121123 11:33:33 InnoDB: Initializing buffer pool, size = 128.0M 121123 11:33:33 InnoDB: Completed initialization of buffer pool 121123 11:33:33 InnoDB: highest supported file format is Barracuda. 121123 11:33:33 InnoDB: Waiting for the background threads to start 121123 11:33:34 InnoDB: 1.1.8 started; log sequence number 1595675 121123 11:33:34 [ERROR] Aborting 121123 11:33:34 InnoDB: Starting shutdown... 121123 11:33:35 InnoDB: Shutdown completed; log sequence number 1595675 121123 11:33:35 [Note] I try to do what mysql say me to do: mysql_upgrade Looking for 'mysql' as: mysql Looking for 'mysqlcheck' as: mysqlcheck Running 'mysqlcheck' with connection arguments: '--port=3306' '--socket=/var/run/mysqld/mysqld.sock' mysqlcheck: Got error: 2002: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) when trying to connect FATAL ERROR: Upgrade failed And yes, /var/run/mysql is empty: mysql_upgrade Looking for 'mysql' as: mysql Looking for 'mysqlcheck' as: mysqlcheck Running 'mysqlcheck' with connection arguments: '--port=3306' '--socket=/var/run/mysqld/mysqld.sock' mysqlcheck: Got error: 2002: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) when trying to connect FATAL ERROR: Upgrade failed And this is my file /etc/mysql/my.cnf # cat /etc/mysql/my.cnf |grep sock # Remember to edit /etc/mysql/debian.cnf when changing the socket location. socket = /var/run/mysqld/mysqld.sock socket = /var/run/mysqld/mysqld.sock socket = /var/run/mysqld/mysqld.sock Then I try to reinstall mysql from cero: apt-get purge mysql-client mysql-common mysql-server rm -R /var/lib/mysql rm -R /etc/mysql rm -R /var/run/mysqld userdel mysql apt-get install mysql-server mysql-client Then, after typing my root password for mysql I get this error: | Unable to set password for the MySQL "root" user ¦ ¦ ¦ ¦ An error occurred while setting the password for the MySQL administrative ¦ ¦ user. This may have happened because the account already has a password, or ¦ ¦ because of a communication problem with the MySQL server. ¦ ¦ ¦ ¦ You should check the account's password after the package installation. ¦ ¦ ¦ ¦ Please read the /usr/share/doc/mysql-server-5.5/README.Debian file for more ¦ ¦ information. And again I can't start mysql getting the same messages.

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  • Cisco IOS rewrite http url

    - by ensnare
    Is there a way that I can configure my router to rewrite http requests? So for example, if: http://www.example.com/porn.gif is being accessed, it'll be re-written as: http://172.16.0.1/denied.gif But transparently returned to the client? Thank you.

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  • Remote Management/VNC Mac OSX Server 10.6 from Windows Server 2008

    - by Jonar
    What is the most compatible/reliable software to remote manage an osx server using windows server? I tried to activate the remote management from osx server then use remote desktop login from windows(failed) Tried to activate built in vnc server from osx server then use vnc client from windows(failed) tried to install osxvnc server(vine server) on osx then use either tightvnc or ultravnc on windows (connects but after sometime disconnect) PS. I would prefer a free software for both servers.

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  • Subversion - Retrieval of mergeinfo unsupported

    - by jamesthomson
    Hi, I've recently updated my Subversion package on Debian Etch to 1.5.1 via a back-port. I've gone through what I believe are all the appropriate steps but cannot for the life of me get past the following error message when I try to merge: Retrieval of mergeinfo unsupported by '.' The '.' isn't important as I get the same message whether I'm SSH'd on to the server or using TortoiseSVN through Windows. I'll take you through what I did to upgrade and test step by step: Update of Subversion Added the following line to /etc/apt/sources.list: deb http://www.backports.org/debian etch-backports main contrib non-free and then ran apt-get -s -t etch-backports install subversion Checked the version of the subversion installation Done this by running svnadmin --version and got the following output: svnadmin, version 1.5.1 (r32289) compiled Dec 11 2008, 18:10:14 Checked the client too using svn --version and got the following svn, version 1.5.1 (r32289) compiled Dec 11 2008, 18:10:14 Ok, so all looking good so far. Now I just need to upgrade the repository. After plenty of research, the most foolproof way to do this seemed to be to dump the repository and then load it again. So here's what I did: svnadmin dump /var/svn/repo > repo.dump rm -aR /var/svn/repo/* svnadmin create /var/svn/repo svnadmin load < repo.dump All that seemed to work fine. I then checked to see if the repository had been upgraded by looking at the contents of /var/svn/repo/db/format which gave: 3 layout sharded 1000 Again this indicated a Subversion 1.5 repository so all looking good. Now I try and do a merge using the Subversion client in Debian: svn mergeinfo https://mysvn/repo . and I get the following error: svn: Retrieval of mergeinfo unsupported by '.' I get the same error message whether I'm using the Debian shell on the same server or if I'm connecting via TortoiseSVN and a Windows box. If I browse to the repository using my web browser, the version number at the bottom reads: Powered by Subversion version 1.4.2 (r22196). In case it helps, the created date on mod_dav_svn.so is 2009-08-06 18:29 I just cannot figure out why I'm getting this message so any help pointing me in the right direction would be greatly appreciated. All the forum and mailing list posts that I found relating to this error were solved by doing an svnadmin upgrade, though I have actually tried that and still no joy. Thanks in advance, James.

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  • Direct Link to IRC Server with Double ##

    - by bemental
    Trying to create a direct link to an IRC channel with double octothorpes (##). Freenode policy dictates off-topic channels require ## before the channel name. This O'Reilly 'hack' post gives solid instructions for how to link to a channel and open in the default client on a system, but no guidance for channels with doubles. Links to single channels are formatted as "irc://irc-server:port/channel?key"

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  • TortoiseGit with non-default SSH port

    - by pek
    Hello, I have successfully setup gitosis on my server thanks to this helpful howto. Versions: Server: CentOS 5 Desktop: Windows 7 Git (on Desktop): 1.6.5.1.1367.gcd48 Client: TortoiseGit 1.3.2.0 (with msysgit 1.6.1) How can I clone a Git repository from my server when my SSH port is non the default (22)? I believe that the URL ssh://[email protected]:3031/gitosis-admin.git works, but I get: '/gitosis-admin.git' does not appear to be a git repository Thank you.

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