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• Copssh, how to add users?

  - by Ken

  I installed copssh on Windows Vista (64-bit) here, and the installation seemed to go fine. It requires you to explicitly add users to log in, which is fine, so I opened the COPSSH Control Panel (really just an app), went to the Users tab, clicked Add, Forward, and the "User:" popup is empty. The "Domain:" popup has exactly one entry: my computer name. The "Documentation" shortcut in the start menu group is broken, but I found the folder it's supposed to point to, and I only see docs for command-line tools (which I'll investigate next). Is there something I'm missing? Is the COPSSH Control Panel just plain broken?

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• Deploying an application on a windows domain

  - by ALOToverflow

  I'm looking for different ways to deploy, execute and uninstall an application on all machines of a Windows domain. I've did some research on Group Policy Object (GPO) but I'm still looking for other ideas. As I said, I need to deploy the application, run it without the user having to click anything and letting him to control over the machine. Once it's finished running I need to uninstall it and never run it again. Can such things be done with a GPO? Are there any other possibilites on a Windows domain? Thank you

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• Linux file permissions not being preserved

  - by yellavon

  I am deploying some custom software as root (a necessity for this situation). I set the owner/group to user1:user1 and set all the files to 644 beforehand in shell, then copy and deploy with ant. However, when files get copied over from the deployment directory, the ownership changes back to root and all the files install with 666 permissions. This seems to occur whether the file is overwritten or newly created. I believe there is a way to set an option in cp, mv commands to preserve permissions, but that would be a lot of commands to change. How can I fix this? Is there some setting I can change temporarily for root so the install always preserves the file permissions?

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• Send mail from a distrobution groups email adress

  - by Campo

  A user has send permission on a distro group on a WINDOWS SERVER 2003 domain. I am the admin. When either of us send email using the distrobution groups email adress we get a non delivery report Your message did not reach some or all of the intended recipients. Subject: TEST Sent: 4/19/2010 4:46 PM The following recipient(s) cannot be reached: [email protected] on 4/19/2010 4:46 PM You do not have permission to send to this recipient. For assistance, contact your system administrator. MSEXCH:MSExchangeIS:/DC=local/DC=DOMAIN:SERVERNAME Thanks, JC

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• Windows Server 2012 - SSL Cypher Suite Order Not Long Enough

  - by Sam

  I want to re-order the cypher suites on our new Windows Server 2012 box to help mitigate the BEAST vulnerability for our clients. I went to Local Group Policy => Computer Configuration => Administrative Templates => Network => SSL Configuration Settings, opened SSL Cypher Suite Order, enabled it, and copied the values from the SSL Cypher Suites textbox. I pasted them into notepad, re-ordered them, then copied+pasted them back into the SSL Cypher Suites textbox. However, the box isn't long enough to hold them all, despite the fact that the length didn't change. I would have to drop the last 3 cyphers (SSL_CK_DES_192_EDE3_CBC_WITH_MD5,TLS_RSA_WITH_NULL_SHA256,TLS_RSA_WITH_NULL_SHA) in order for it to fit. Should I just drop them? Other ideas?

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• OpenSSH SFTP server with chroot() + File Permissions

  - by HannesFostie

  I am currently setting up an SFTP server but there is one detail I can't seem to figure out. When I add a user, I would like him to connect using his client and be able to write in his "root dir" right away. My Match case for the SFTP-users group currently has ChrootDirectory set as "/home/%u", and inside that directory I have to have a subdirectory owned by the user, while /home/%u itself is owned by root. Next to that, the "root dir" also has a couple files, .bashrc to name one. Is it possible to put these files somewhere else, remove them, or at least make them invisible to the user? Thanks EDIT: One more little thing I'd like to implement is for one account to have read (or rw, not sure yet) access to all other users' home directories. What is the easiest way to implement this?

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• Which web browser support running multiple sessions simultaneously?

  - by leonbnu

  basically, I want to group my tabs by categories and then split them to different sessios(winows). For example, I can have one windows which contains all the tabs that are work related, and some other windows that are for news, everyday use, hobbies, entertainment, etc. So I can load these sessions/windows independently whenever I want. More importanly, I need the browser to be able to manage these sessions separately, for example, when I close one window(session), it should be able to autosave it without affecting any other sessions. I think this requirement is quite simple. But somehow, neither firefox(with session manager addon) nor opera support this. so which browser actually supports this?

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• MSA20 RAID5 recovery failure due to URE on another disk

  - by Andrey

  I have MSA20 with one disk array on 12 disks and 3 LUNs on it (each raid 5). A few days ago one disk in one of the LUNs was failed and I replaced it. But raid5 recovering failed at 13% and I see in ADU report that one of the disk has "Errors Logged = 5566" and according SCSI specifications it is URE (Sense Code=0x11, Qualifier=0x00). In serial log I also see URE error. It seems that Raid5 can't be rebuilt because of this. So I have a few questions: Is there a way to recover raid5 still? If I leave new disk that was replaced and remove disk with URE, will other LUNs be destroyed or just failed LUN? If all LUNs will fail what is the sense to make each LUN with own raid on one disk group array if 2 failed disk can destroy all? As I understand the preferred way is to create one disk array for one LUN in future and not one array with few LUNs? Thanks.

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• Public DNS Server fails on Windows Amazon EC2

  - by Adroidist

  I have started a new Windows server instance on Amazon EC2. The security group has the following rules: Ports Protocol Source 22 tcp 0.0.0.0/0 80 tcp 0.0.0.0/0 443 tcp 0.0.0.0/0 3389 tcp 0.0.0.0/0 53 udp 0.0.0.0/0 -1 icmp 0.0.0.0/0 I am able to ping the public DNS server of the machine and i can connect to it using Windows Remote Desktop connection. However, when i put in my web browser the public DNS server, it fails to connect. Morever, I used filezilla and putty (and in both I loaded the private key .pem) but i receive connection timed out. I disabled the firewall on both my pc and the instance (which I entered using Remote desktop connection). Can you please tell me what I am missing?

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• Wordpress Automatic Updating/Installing Plugins Permissions

  - by karmic

  I am using the latest Wordpress and I have always had issues with the automatic updater. For the files in the wordpress directory, i set them to permission 770, and add the webserver user 'www-data' as the group owner. I use lighttpd. However, the automatic updating plugins or installing plugins does not work. It works if I chmod 777 the files or if I set the actual owner to the web server as well. What are the best permission settings for security while still allowing the updating feature to work properly in wordress? Also, by 'not work' i mean, it will go to the screen that asks me for FTP credentials when I try to update.

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• installing jdk1.7.0 on Ubuntu 11.04 machine

  - by Yogesh

  I am facing a problem while trying to install Java 7 on Ubuntu. The following are the steps that I performed for installing: I installed the setup file from the link given below: wget http://download.oracle.com/otn-pub/java/jdk/7u1-b08/jdk-7u1-linux-x64.tar.gz I have a file: jdk-7u1-linux-x64.tar.gz I Untared it: tar -xvf jdk-7u1-linux-x64.tar.gz sudo mv ./jdk1.7.0_01 /usr/lib/jvm/jdk1.7.0_01 sudo update-alternatives –config java Here it gave me the following output: There is only one alternative in link group java: /usr/lib/jvm/java-6-sun/jre/bin/java Nothing to configure. sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7.0_01/jre/bin/java 1(I entered 1 here.) sudo update-alternatives --config java java -version. It showed the following output java version "1.6.0_26" Java(TM) SE Runtime Environment (build 1.6.0_26-b03) Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) I am not sure if jdk1.7.0 is installed as its showing the version as 1.6.0_26.

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• OSSEC is not running

  - by batman

  I have an two ec2 instances. In one I have installed ossec server and in other I have installed ossec agent. Here are my server config INBOUND (security group/firewall) : port:514 source:0.0.0.0/0 port:1514 source:0.0.0.0/0 But it seems to be not working. In my agent log file I keep on getting: 2012/08/28 06:52:52 ossec-agentd: INFO: Using IPv4 for: x.x.x.x.x.x . 2012/08/28 06:53:13 ossec-agentd(4101): WARN: Waiting for server reply (not started). Tried: 'x.x.x.x.x'. Edit: Running sudo netstat --inet -nlp | grep ossec. I'm getting: udp 0 0 0.0.0.0:1514 0.0.0.0:* 26027/ossec-remoted Where I'm making the mistake?

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• While Mail Forwarding with exim, how do I rewrite the To header with true destination address

  - by Jom

  I have mail forwarding setup with exim using a domain forwarding file. virtual_aliases_nostar: driver = redirect allow_defer allow_fail data = ${if exists{/etc/valiases/$domain}{${lookup{$local_part@$domain}lsearch{/etc/valiases/$domain}}}} file_transport = address_file group = mail pipe_transport = virtual_address_pipe retry_use_local_part domains = lsearch;/etc/localdomains unseen It is working fine. However, I would like to rewrite the "to" header. In my system filter, I would like to put something like: headers remove to headers add "To: $recipient:" I've tried: headers remove to headers add "To: $recipient:" headers remove to headers add "To: $h_env-to:" headers remove to headers add "To: $env-to:" The intent is to have the end recipient see their own email address in the To: line of their mail client. I can't seem to figure out what the correct header is for the final destination of the email so that I can put it in the to header. I've read through the Exim docs and can't seem to find it. I've also looked in the headers in an email at a mail client and can't see it there either. Any suggestions would be appreciated.

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• How to maximise performance in computers connected into LAN via Gigabit ethernet router?

  - by penyuan

  Our group is setting up a server (which might just be a NAS, but we're not sure yet), which shares files, so that it connects to all other computers in the room (about 10 of them). I am thinking just hooking all of them up via a gigabit router/switch. Is there anything I should watch out for, in terms of cables, connections, or the connection capabilities of each computer in the network? For instance, I don't want a slow computer in the LAN to slow down everyone else's connection, etc., etc. Thanks for the education.

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• how to? 1 domain name, 1 ISP Static IP, 1 router, 3 physical web Servers

  - by buliwyf

  I have 1 Static IP from my ISP, 58.59.60.61 I have 3 local physical web servers: Win2008 IIS 7, local IP 192.168.10.11, mydomain.com Ubuntu Apache2, local IP 192.168.10.12, subdomain1.mydomain.com Win2003 IIS 6, local IP 192.168.10.13, subdomain2.mydomain.com I have 1 domain name, mydomain.com. It is configured this way: Host(A), @, 58.59.60.61 Host(A), subdomain1, 58.59.60.61 Host(A), subdomain2, 58.59.60.61 My router is a pfSense box. It forwards all port 80 traffic to a group alias called "WebServers," which is my 3 web server IP's. This setup should work right? I believe I need to set the "host header names" in my web servers. In IIS I know how to do this. How do I do this in Apache2?

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• Changing shared printer settings to default to greyscale

  - by Chris

  My company has about 60 employees all running Windows Vista or 7 and a gigantic Minolta printer hooked up to an EFI Fiery Image Processor. We're burning about $300 a month in printer supplies alone. I'm trying to find a way to cause the printer to default to grayscale in order to save money. So far I've tried: Changing settings on the image processor Changing settings on the print server Looking through the Group Policy editor to see if I can find anything useful Creating a new printer on the print server and setting it to be grayscale only Adding the printer to my computer directly (through a TCP/IP port) and setting it to be greyscale only Has anybody successfully done this before? If so, how was it gone about? I don't expect anybody to know the specifics of my environment, I just not sure what the right direction is.

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• AWS RDS Timeout

  - by warder57

  I know next to nothing about networking/servers. So I'm assuming I'm missing something obvious. All of the resources I can find on this, either don't work or are outdated. I created a brand new AWS account on the free plan. I created a postgres RDS DB instance. I made sure that this RDS instance is set to publicly accessible. This RDS instance has the default VPC/Security Group settings. In order to connect to this DB from my local machine, I used pgadmin3 and followed the instructions provided on the AWS documentation page. Seen here: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ConnectToPostgreSQLInstance.html I've double checked all of the information required to connect: Host: whatever.whatever.us-west-2.rds.amazonaws.com Port: 5432 Username: USERNAME Password: PASSWORD When I try to connect to the database, my connection fails due to a timeout. (During step 4 in the above guide.) Can anyone point me to whatever I am missing? Thanks in advance

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• What would cause different rates of packet loss between client and server in UDP?

  - by febreezey

  If I've implemented a reliable UDP file transfer protocol and I have a file that deliberately drops a percentage of packets when I transmit, why would it be more evident that transmission time increases as the packet loss percentage increases going from the client to server as opposed from the server to the client? Is this something that can be explained as a result of the protocol? Here are my numbers from two separate experiments. I kept the max packet size to 500 Bytes and the opposite direction packet loss to 5% with a 1 Megabyte file: Server to Client loss Percentage varied: 1 MB file, 500 b segments, client to server loss 5% 1% : 17253 ms 3% : 3388 ms 5% : 7252 ms 10% : 6229 ms 11% : 12346 ms 13% : 11282 ms 15% : 9252 ms 20% : 11266 ms Client to Server loss percentage varied 1 MB file, 500 b segments, server to client loss 5% 1%: 4227 ms 3%: 4334 ms 5%: 3308 ms 10%: 31350 ms 11%: 36398 ms 13%: 48436 ms 15%: 65475 ms 20%: 120515 ms You can clearly see an exponential increase in the client to server group

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• Auto switching between wired and wireless connections

  - by Joe

  How about this situation. Our business deals a lot with medical information. And some of our clients have demands based off HIPPA, etc. There is one now where they do not want an employee to have both wired and wireless on at same time. If the wireless is on the wired needs to be turned off automatically and vice versa. However, this can not be up to the end user to manage! I have looked for third party applications and only have found http://www.wirelessautoswitch.com Does anyone know of anything else that is out there? Or possible something that can be done via group policy, etc.?

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• Auto switching between wired and wireless connections

  - by Joe

  How about this situation. Our business deals a lot with medical information. And some of our clients have demands based off HIPPA, etc. There is one now where they do not want an employee to have both wired and wireless on at same time. If the wireless is on the wired needs to be turned off automatically and vice versa. However, this can not be up to the end user to manage! I have looked for third party applications and only have found http://www.wirelessautoswitch.com Does anyone know of anything else that is out there? Or possible something that can be done via group policy, etc.?

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• Get tortoisesvn to give me filenames with build number in the filename

  - by EricJLN

  I am on a Windows 7 box, and I have tortoisesvn on my machine. After getting a little familiar with svn and tortoisesvn on a code repository, I set up a local repository to manage revisions of some word and powerpoint documents. I want to figure out some scripted way to output a set of files with the build/revision number embedded in the filename. I will then email the files to some business people to review. For example, say I have a group of files in my working directory: PresentA.pptx PresentA-notes.docx PresentB.pptx and TortoiseSVN repo browser tells me that I am currently at revision 21 for PresentA.pptx and PresentA-notes.docx but at revision 25 for PresentB.pptx, I would like some way to get 3 files with the following names: PresentA-r21.pptx PresentA-notes-r21.docx PresentB-r25.pptx Alternatively, if revision 25 is the current value for the repository, having all the names appended with -r25 would work, too.

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• Migrating from MyISAM to XtraDB

  - by Wringley

  Just a few questions that I just can't find anywhere about migrating to XtraDB. My group has been using MyISAM dbs for production and was wondering how hard is it to migrate to Percona's XtraDB and how would you go about doing so? Would I have to migrate MyISAM to InnoDB first or can I go straight to XtraDB? I installed Percona Server with XtraDB package on my Fedora machine but the documentation isn't very helpful as to how to use it so I was wondering does Percona just piggyback on a standard MySQL installation or is it a separate entity? Links to documentation on how to solve my questions would be fantastic. Thanks, Server Newbie.

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• Cannot use scp on Mac OS X

  - by Robert

  Hi all, when I try to copy any file with scp on Mac OS X Snow Leopard from another machine I get this error: scp [email protected]:/home/me/file.zip . Password: ... ---> Couldn't open /dev/null: Permission denied this is the output of "ls -l /dev/null": crw-rw-rw- 1 root wheel 3, 2 May 14 14:10 /dev/null I am in the group wheel, and even if I do "sudo scp..." it doesn't work. It's driving me crazy, do you have any suggestion? Thanx!

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• Ubuntu 12.04 Server: permissions on /var/www for newly copied files

  - by Abe

  I ran the following commands to set up ACL on the /var/www folder in my Ubuntu 12.04 Server: sudo usermod -g www-data abe sudo chown -R www-data:www-data /var/www sudo chmod -R 775 /var/www I downloaded Wordpress using wget in my /var/www folder and unzipped the downloaded file: cd /var/www wget http://wordpress.org/latest.zip mv latest.zip wordpress.zip unzip wordpress.zip I created a new database and user in mysql and attempted to run the setup process through the web interface. When I enter the configuration info in wordpress I run into the following error message: Sorry, but I can't write the wp-config.php file. When I run ls -la, I see that the files are owned by my user abe, but they are part of the group www-data. Would I have to run the chmod command every time I copy new files to /var/www? sudo chmod -R 775 /var/www

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• Installing mod_xsendfile on MAMP

  - by mail4alberto

  Hello, I'm having trouble installing mod_xsendfile on MAMP. I've used some sources to try to help me install it: http://iprog.com/posting/2008/04/compiling_mod_xsendfile_for_mac_os_x http://groups.google.com/group/phusion-passenger/browse_thread/thread/e6dac9d5ea0de9c1 I ended up installing apache20 via macports and used apsx command to create the module and then copy it into MAMP's modules folder. I was able to seem to load the module at least. But then I get this error in my apache logs: [Thu May 27 19:08:28 2010] [notice] child pid 68606 exit signal Bus error (10) [Thu May 27 19:08:41 2010] [notice] child pid 68607 exit signal Bus error (10) Can anyone help me out? :S

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