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  • Forcing smtp outgoing mail encryption on postfix

    - by Simon
    Hi all, anyone knows how to tell postfix to encrypt outgoing mail? I have configured it to use encryption on reception, but I´m unnable to do it with the out mail. This is my main.cf file: smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_path = smtpd transport_maps = hash:/etc/postfix/transport # tls config smtp_use_tls = yes smtpd_use_tls = yes smtp_tls_note_starttls_offer = yes smtpd_tls_key_file = /etc/postfix/ssl/smtpd.pem smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.pem smtpd_tls_CAfile = /etc/postfix/ssl/smtpd.pem smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s tls_random_source = dev:/dev/urandom Thanks in advance!

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  • Forcing smtp outgoing mail encryption on postfix

    - by Simon
    Hi all, anyone knows how to tell postfix to encrypt outgoing mail? I have configured it to use encryption on reception, but I´m unnable to do it with the out mail. This is my main.cf file: smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_path = smtpd transport_maps = hash:/etc/postfix/transport # tls config smtp_use_tls = yes smtpd_use_tls = yes smtp_tls_note_starttls_offer = yes smtpd_tls_key_file = /etc/postfix/ssl/smtpd.pem smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.pem smtpd_tls_CAfile = /etc/postfix/ssl/smtpd.pem smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s tls_random_source = dev:/dev/urandom Thanks in advance!

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  • Will Windows 7 work at all on my old toshiba [closed]

    - by andrew
    Windows 7 requires the following specifications: 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit) 16 GB available hard disk space (32-bit) or 20 GB (64-bit) DirectX 9 graphics device with WDDM 1.0 or higher driver Will it work at all on my old toshiba Satellite A100 PSAA8C-SK400E Intel® Core™ Solo processor T1350 (1.86GHz, 533MHz FSB, L1 Cache 32KB/32KB, L2 Cache 2MB) Standard Memory: 2x512 MB DDR2 Intel® Graphics Media Accelerator 950 with 8MB-128MB. The main problem I can see is that the graphics is not up to it.

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  • What is the easiest/simplest way to change the HD on a Linux server?

    - by ArmlessJohn
    Hello. I have a machine running Ubuntu Server that has been presenting some HD-related problems. Instead of reinstalling and reconfiguring everything (and to save time) we'd like to copy everything from the current hard drive to a new one and start using it. We only have a single hard drive with a main partition and a swap partition. What tools or methods would you recommend for replacing a hard drive with minimum difficulty and chance of problems? Thank you.

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  • Regex in Notepad++ 6

    - by Rocket
    So, Notepad++ got updated to v6.0. One of their new features is PCRE (Perl Compatible Regular Expressions). I tried to use this new feature to find and replace things in a file. I tried the regular expression: {\$([a-zA-Z_]*)} and it yelled at me, saying "Invalid regular expression". I tested this regex in other programs (like my main IDE, Geany), and it worked fine. Why does this not work in Notepad++ 6.0?

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  • Keyboard shortcut to minimize Remote Desktop

    - by Vaccano
    Is there a way, using the keyboard, to switch from a maximized (full screen) Remote Desktop Connection back to the main computer? I have about 4 Remote Desktop connections that I am switching between and it would be nice to not have to go to the mouse each time I want to switch. I know I can press Ctrl+Alt+Break and that normalizes the remote desktop screen. That is close, but I would like a way to just minimize it (so I don't have to normalize-switch-maximize each time I want to switch screens)

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  • Postgresql - Error: Could not create log file /var/log/postgresql/...

    - by nicefinly
    Every time I try to start postgresql, I get this error: * Starting PostgreSQL 9.2 database server * Error: Could not create log file /var/log/postgresql/postgresql-9.2-main.log To start the server, I have to sudo mkdir the postgresql folder in /var/log/ How can I start postgresql automatically every time I boot up? I already have a postgres user on the Ubuntu 12.10 system.

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  • System chooses boot drive seemingly at random

    - by Zurahn
    I have a system with two identical 1TB harddrives, where I image to a backup drive using the dd command. When I boot up, though, despite setting harddrive priority in the BIOS, the system sometimes boots the main drive, sometimes boots the backup. My system dual-boots Xubuntu and Windows XP, if that means anything to you. Any ideas?

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  • How do i setup a Window server 2008 R2 + SQL server 2008 VPS ?

    - by Spencer Lim
    I wish to deploy a trusted apps at the secured way... i got one empty VPS (no operating system) but i don't know how could i install Window server 2008 R2 and SQL server 2008 the version i got is genuine enterprise/ datacenter and sql enterprise the main purpose is used to deploy ASP.Net v4 MVC 2 and XBAP Apps + LINQ also use SQL server for my window application with someway to make it able to remote access May i know anyone here could teach me or introduce some source for me on how to setup the domain, IP, OS and feature all thing, please... i felt confuse here @.@

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  • I/O intensive MySql server on Amazon AWS

    - by rhossi
    We recently moved from a traditional Data Center to cloud computing on AWS. We are developing a product in partnership with another company, and we need to create a database server for the product we'll release. I have been using Amazon Web Services for the past 3 years, but this is the first time I received a spec with this very specific hardware configuration. I know there are trade-offs and that real hardware will always be faster than virtual machines, and knowing that fact forehand, what would you recommend? 1) Amazon EC2? 2) Amazon RDS? 3) Something else? 4) Forget it baby, stick to the real hardware Here is the hardware requirements This server will be focused on I/O and MySQL for the statistics, memory size and disk space for the images hosting. Server 1 I/O The very main part on this server will be I/O processing, FusionIO cards have proven themselves extremely efficient, this is currently the best you can have in this domain. o Fusion ioDrive2 MLC 365GB (http://www.fusionio.com/load/-media-/1m66wu/docsLibrary/FIO_ioDrive2_Datasheet.pdf) CPU MySQL will use less CPU cores than Apache but it will use them very hard, the E7 family has 30M Cache L3 wichi provide boost performance : o 1x Intel E7-2870 will be ok. Storage SAS will be good enough in terms of performance, especially considering the space required. o RAID 10 of 4 x SAS 10k or 15k for a total available space of 512 GB. Memory o 64 GB minimum is required on this server considering the size of the statistics database. Warning: the statistics database will grow quickly, if possible consider starting with 128 GB directly, it will help. This server will be focused on I/O and MySQL for the statistics, memory size and disk space for the images hosting. Server 2 I/O The very main part on this server will be I/O processing, FusionIO cards have proven themselves extremely efficient, this is currently the best you can have in this domain. o Fusion ioDrive2 MLC 365GB (http://www.fusionio.com/load/-media-/1m66wu/docsLibrary/FIO_ioDrive2_Datasheet.pdf) CPU MySQL will use less CPU cores than Apache but it will use them very hard, the E7 family has 30M Cache L3 wichi provide boost performance : o 1x Intel E7-2870 will be ok. Storage SAS will be good enough in terms of performance, especially considering the space required. o RAID 10 of 4 x SAS 10k or 15k for a total available space of 512 GB. Memory o 64 GB minimum is required on this server considering the size of the statistics database. Warning: the statistics database will grow quickly, if possible consider starting with 128 GB directly, it will help. Thanks in advance. Best,

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  • SSH_ORIGINAL_ENVIRONMENT error with snow leopard client to a gitosis server on debian

    - by Mica
    I have a server running gitosis (installed from the package manager) on debian lenny. I am able to perform all operations from my linux mint laptop, but from my Mac running an up-to-date Snow Leopard gives me the following error: mica@waste Desktop$ git clone [email protected]:Poems.git Initialized empty Git repository in /Users/micas/Desktop/Poems/.git/ ERROR:gitosis.serve.main:Repository read access denied fatal: The remote end hung up unexpectedly mica@waste Desktop$ ssh -v [email protected] OpenSSH_5.2p1, OpenSSL 0.9.8l 5 Nov 2009 debug1: Reading configuration data /etc/ssh_config debug1: Applying options for * debug1: Connecting to 192.168.0.156 [192.168.0.156] port 22. debug1: Connection established. debug1: identity file /Users/micas/.ssh/identity type -1 debug1: identity file /Users/micas/.ssh/id_rsa type 1 debug1: identity file /Users/micas/.ssh/id_dsa type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-5 debug1: match: OpenSSH_5.1p1 Debian-5 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.2 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host '192.168.0.156' is known and matches the RSA host key. debug1: Found key in /Users/mica/.ssh/known_hosts:5 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password debug1: Next authentication method: publickey debug1: Offering public key: /Users/mica/.ssh/id_rsa debug1: Remote: Forced command: gitosis-serve mica@waste debug1: Remote: Port forwarding disabled. debug1: Remote: X11 forwarding disabled. debug1: Remote: Agent forwarding disabled. debug1: Remote: Pty allocation disabled. debug1: Server accepts key: pkalg ssh-rsa blen 277 debug1: Remote: Forced command: gitosis-serve micas@waste debug1: Remote: Port forwarding disabled. debug1: Remote: X11 forwarding disabled. debug1: Remote: Agent forwarding disabled. debug1: Remote: Pty allocation disabled. debug1: Authentication succeeded (publickey). debug1: channel 0: new [client-session] debug1: Requesting [email protected] debug1: Entering interactive session. debug1: Requesting authentication agent forwarding. PTY allocation request failed on channel 0 ERROR:gitosis.serve.main:Need SSH_ORIGINAL_COMMAND in environment. debug1: client_input_channel_req: channel 0 rtype exit-status reply 0 debug1: client_input_channel_req: channel 0 rtype [email protected] reply 0 debug1: channel 0: free: client-session, nchannels 1 Connection to 192.168.0.156 closed. Transferred: sent 2544, received 2888 bytes, in 0.1 seconds Bytes per second: sent 29642.1, received 33650.3 debug1: Exit status 1 Extensive googling of the error isn't returning much-- I changed the /etc/sshd_config file on my Mac as per http://www.schmidp.com/2009/06/23/enable-ssh-agent-key-forwarding-on-snow-leopard/. I still get the same error.

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  • Packet sniffing a webserver

    - by Shawn Mclean
    I have a homework in which I should explain how I would break into a server, retrieve a file and cover my tracks. My main question: is there a way to packet sniff a remote web server? Other information would be appreciated on covering tracks.

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  • Basic security practices for desktop Ubuntu

    - by Daisetsu
    Most of us know the basic security practices on Windows: use a limited account set a password disable unused services uninstall bloatware Antivirus / Antimalware etc. I haven't ran linux as my main desktop computer before, so I don't know how to properly secure it. I have heard linux is supposed to be more secure than Windows, but I know that the default settings of anything are rarely secure. What are some things I should do as a new Linux user to secure my desktop system from attack?

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  • Is RAID 5 or SnapRAID the better alternative for a media server raid system?

    - by rubo77
    I am using a raid 5 system for my ubuntu 12.04 xmbc media server with 5 disks. Since the data isn't changing a lot and a total loss wouldn't be so bad, cause I have another backup anyway I am thinking about using SnapRAID It sais: SnapRAID is mainly targeted for a home media center, where you have a lot of big files that rarely change The main advantage for me would be power-saving, cause not all disks have to run all the time. Would you recomment using this? (with a regular resync script once a day)

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  • Unix Password Management Keyring

    - by Phil
    I am looking for a password manager for a command-line Unix environment. So far all I can find are keyring applications for Windows, Linux, and Mac. But no command-line Unix interfaces. My main goal is to be able to access a password keyring through an SSH connection to a machine that has no graphical user interface. If there are no good unix password keyrings out there, what would be a better way to store personal passwords in a central location?

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  • Using Export-Mailbox without including subfolders

    - by AspNyc
    I want to delete a certain group of messages from somebody's mailbox. I already have the basic Powershell command ready to go: Get-Mailbox -Identity jshmoe | Export-Mailbox -SubjectKeywords "VirusWarning" -IncludeFolders "\Inbox" -StartDate "02/24/2010" -DeleteContent The problem is that Joe Shmoe's "Inbox" is huge, and I know the messages I want to delete are only in the main Inbox folder. However, the above Powershell command appears to crawl all subfolders beneath "Inbox". Is there a way to tell it not to?

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  • Visual Studio Project build Error [closed]

    - by Mina Sobhy
    I installed Visual Studio 2010 on Windows7 SP1 but a debug error occurs: 1>------ Build started: Project: x, Configuration: Debug Win32 ------ 1>MSVCRTD.lib(crtexe.obj) : error LNK2019: unresolved external symbol main referenced in function __tmainCRTStartup 1>C:\Users\mina\Documents\Visual Studio 2010\Projects\x\Debug\x.exe : fatal error LNK1120: 1 unresolved externals ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

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  • What are the differences between google app mail, and plain ol' [email protected] forwarding to gmail ac

    - by Chris Adams
    I currently have an email address, [email protected], that I currently use to forward to a gmail account that I've used for years. I currently have it set, so I can send email from my [email protected] instead of [email protected]. This is done through the web ui on my current domain name, provider, gandi.net. What are the main differences between this arrangement, and setting up a Google Apps for your domain setup, where I'm explicitly listing in the dns records to point records to point to Google's app mail server?

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  • What are the differences between google app mail, and plain ol' [email protected] forwarding to gmail ac

    - by Chris Adams
    I currently have an email address, [email protected], that I currently use to forward to a gmail account that I've used for years. I currently have it set, so I can send email from my [email protected] instead of [email protected]. This is done through the web ui on my current domain name, provider, gandi.net. What are the main differences between this arrangement, and setting up a Google Apps for your domain setup, where I'm explicitly listing in the dns records to point records to point to Google's app mail server?

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  • nginx crashes on ssl after about a minute

    - by Scott
    Here are my configuration files ssl.conf # HTTPS server # server { listen 443 ssl; server_name api.domain.com; error_log /var/log/nginx/api.error.log; location / { root /var/www/api.domain.com; index index.html index.php index.php; try_files $uri $uri/ /index.php?$args; } ssl on; ssl_certificate /etc/nginx/api.domain.com.crt; ssl_certificate_key /etc/nginx/api.domain.com.key; ssl_session_timeout 5m; ssl_protocols SSLv2 SSLv3 TLSv1; ssl_ciphers HIGH:!aNULL:!MD5; ssl_prefer_server_ciphers on; # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 location ~ \.php$ { # root html; fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_split_path_info ^(.+\.php)(.*)$; fastcgi_param SCRIPT_FILENAME /var/www/api.domain.com$fastcgi_script_name; fastcgi_param HTTPS on; include fastcgi_params; } location ~ /\.ht { deny all; } } nginx.conf user nginx; worker_processes 1; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; gzip on; include /etc/nginx/conf.d/*.conf; } I have a server running on port 80 that runs with no issues. As soon as I turn on this api server running on ssl, it works for about a minute and then crashes and gives a 504 Gateway Time-out. Running nginx/1.2.3

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