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• How can I install things in Linux with *no yum* and *no wget*?

  - by e9t

  I'm a newbie to Linux (that mainly uses Windows and Mac OS X) needing some advice. I was trying to install git on a Linux machine today, and encountered some problems: Not knowing the version of the installed OS, I've opened the /proc/version file which said: Linux version 2.6.9-42.0.2.ELsmp ([email protected]) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-3)) #1 SMP Thu Aug 17 17:57:31 EDT 2006 Then, as written in the git documents (http://git-scm.com/download/linux), I assumed I could use the yum install git command for Fedora, but got the following result. [root@myserver ~]# yum install git -bash: yum: command not found So I tried installing yum using wget, but wasn't so lucky. [root@myserver ~]# wget http://linux.duke.edu/projects/yum/download/2.0/yum-2.0.7.tar.gz -bash: wget: command not found I googled and found this page and this page, so tried installing yum with rpm, but only got a result full of question marks. (Possibly an encoding problem, hmm...) [root@myserver ~]# rpm -Uvh http://www.eomy.net/linux/install-yum-x86_64/wget-1.10.2-0.40E.x86_64.rpm http://www.eomy.net/linux/install-yum-x86_64/wget-1.10.2-0.40E.x86_64.rpm(??)?? ?????? ?: /var/tmp/rpm-xfer.TbuAOu: V3 DSA signature: NOKEY, key ID 443e1821 ???.. ########################################### [100%] wget-1.10.2-0.40E U???????g??????? wget-1.10.2-0.40E???? ??g??/usr/bin/wget ?? wget-1.10.2-0.40E U?????? ???? wget-1.10.2-0.40E???? ??g??/usr/share/man/man1/wget.1.gz ?? wget-1.10.2-0.40E U?????? ???? [root@myserver ~]# Finally, when I typed rpm --version in the terminal, I got the below results. [root@myserver ~]# rpm --version RPM ???? - 4.3.3 I would like to know what I can do or possibly try now. Is it not possible to wget or yum anything in my situation? Or is there any magical tool like homebrew (http://mxcl.github.com/homebrew/) that I can use? Any comments or advice would be appreciated. Thanks in advance!

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• Interpreting regular expressions using find in Linux confusion

  - by PeanutsMonkey

  I am attempting to use the find command and came across an article at http://www.linux.ie/newusers/beginners-linux-guide/find.php which states The wildcard character is escaped with a slash so BASH sends a literal asterisk to the find utility as an argument instead of performing filename expansion and passing any number of files in as arguments. for the command find . -name up\*. Being new to the world of Linux I don't quite understand how the use of a backslash which is meant to escape the meta character * is interpreted and returns results as though as it is being passed to find. Does it mean if I use the -name option I have to use a backslash to pass a wildcard and if I don't use -name I don't have to use a backslash?

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• Microsoft FTP fails to connect after the client requests the list of features (FEAT)

  - by Max

  This is a really weird problem. The first few times I try to connect Filezilla just hangs on the line 211-Extended features supported: for a while before coming up and saying Error: Could not connect to server. The filezilla log below: Command: PASS *********** Response: 230 User logged in. Command: FEAT Response: 211-Extended features supported: Error: Could not connect to server The weird thing is if I keep trying to connect eventually it just works and connects fine. After Filezilla knows which features the server supports it stops asking for a while which enables you to connect first time until Filezilla decides it wants to double check the features list again. I'm at a loss on how to debug this. Has anyone experienced similar?

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• Configure EVDO USB Modem in Ubuntu 10.10

  - by adisembiring

  I want to configure EVDO Usb Modem in Ubuntu 10.10 I insert my usb modem to laptop and check the usb is detected or not using $sudo lsusb and the result is: Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 201e:2009 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 003: ID 14cd:6600 Super Top USB 2.0 IDE DEVICE Bus 002 Device 002: ID 201e:2009 is my us device. and than I execute command $dmesg | grep -e tty [ 0.000000] console [tty0] enabled [ 818.054660] usb 2-1.3: GSM modem (1-port) converter now attached to ttyUSB0 [ 818.055125] usb 2-1.3: GSM modem (1-port) converter now attached to ttyUSB1 [ 818.055647] usb 2-1.3: GSM modem (1-port) converter now attached to ttyUSB2 [ 818.330641] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [ 818.330743] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [ 818.330840] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 [ 1054.917473] usb 2-1.2: GSM modem (1-port) converter now attached to ttyUSB0 [ 1054.917995] usb 2-1.2: GSM modem (1-port) converter now attached to ttyUSB1 [ 1054.918481] usb 2-1.2: GSM modem (1-port) converter now attached to ttyUSB2 [ 1055.214087] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [ 1055.214221] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [ 1055.214356] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 Why converter disconnected from ttyUSB2 ? and than I try to execute command $sudo wvdialconf sorry, no modem was detected! Is it in use by another program ? did you configure it properly with setserials ? I change the same type usb modem from my friend, but I still get error above.

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• combining sed with xargs to obtain a source and output file name

  - by Lytithwyn

  I have a situation where I have some input files like this: M2U0001.MPG M2U0180.MPG And I want to run a command (in a bash shell) on each similarly named file in the directory. I'd like the current file name to be given to this command as an input and a modified version of the filename to be given as an output file. Here's an example: ffmpeg -i M2U0001.MPG M2U0001_fixed.MPG I had the idea of using xargs and sed, but this is as far as I got: ls -1 *.MPG | xargs -I{} ffmpeg -i {} `echo {} | sed -r 's/[0-9]{2,}/&_fixed/'` But this results in the original filename being output in both positions. Am I totally going about this the wrong way? I found that if I echo the filename directly to the embedded chunk like this it works: echo M2U0001.MPG | sed -r 's/[0-9]{2,}/&_fixed/'

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• Strange 'locate' behavior and icon changing

  - by Luigi Tiburzi

  I'd like to change the icon of a program called Refit with a custom one. This program has various tools and when I try to change those icons all is ok but then I run the following command: $ locate refit.icns and the output is: $ /efi/refind/icons/os_refit.icns The problem is that I don't have any folder called refind and the path simply doesn't exist. I tried it with both: $ ls and $ sudo ls in the /efi directory. So my questions are actually two: how can I change the icon of that program? And why there is this strange behavior with the locate command? I'm on Snow Leopard 10.6.8. Thanks for your help.

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• Windows 7 external 2.5 hard drive read write permissions format

  - by user76918

  Working with Windows 7 professional. While trying to format western digital 250GB sata laptop drive; receiving error not initialized. Went to elevated command line to diskpart to clean all; received error message write protected. Went to Disk Management & Virtual disk drive shows as disk 2 not initialized. No format options available greyed out. Went back to command line tried to see attributes disk is read only. How do I take owner ship to change the permissions & format.

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• SmartSVN - Unable to create new repository profile

  - by Sandeepan Nath

  I have just installed SmartSVN on this fedora system. The application starts (on running ./smartsvn.sh) with its usual UI but many things are not working. Creating New repository profile Trying to create a new repository profile (Repositories- Repository Profiles- Add) An Error occurred while processing an SVN command - Cannot connect to 'svn+ssh://192.168.0.103': There was a problem while connecting to 192.168.0.103:22 Quick Checkout Trying to do Quick Checkout (less configuration) An Error occurred while processing an SVN command - Malformed XML. Some Observations When I run the smartsvn.sh file like this:- ./smartsvn.sh It shows this in the console - Warning: /bin/java does not exist Could not lock /root/.smartsvn/_lock_ Switched to running instance I was using SmartSVN in another system before this where it was working. There too, it was showing the warning like Warning: /bin/java does not exist but this part was not showing:- Could not lock /root/.smartsvn/_lock_ Switched to running instance I have only JRE installed in both the systems and not JDK. So, what could be the reason? Any pointers? Thanks, Sandeepan

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• Need script to redirect STDIN & STDOUT to named pipes

  - by user54903

  I have an app that launches an authentication helper (my script) and uses STDIN/STDOUT to communicate. I want to re-direct STDIN and STDOUT from this script to two named pipes for interaction with another program. E.g.: SCRIPT_STDIN pipe1 SCRIPT_STDOUT < pipe2 Here is the flow I'm trying to accomplish: [Application] - Launches helper script, writes to helpers STDIN, reads from helpers STDOUT (example: STDIN:username,password; STDOUT:LOGIN_OK) [Helper Script] - Reads STDIN (data from app), forwards to PIPE1; reads from PIPE2, writes that back to the app on STDOUT [Other Process] - Reads from PIPE1 input, processes and returns results to PIPE2 The cat command can almost do what I want. If there were an option to copy STDIN to STDERR I could make cat do this with a command (assuming the fictitious option -e echos to STDERR rather than STDOUT): cat -e PIPE2 2PIPE1 (read from PIPE2 and write it to STDOUT, copy input, normally going to STDERR to PIPE1)

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• SQL SERVER – Weekly Series – Memory Lane – #049

  - by Pinal Dave

  Here is the list of selected articles of SQLAuthority.com across all these years. Instead of just listing all the articles I have selected a few of my most favorite articles and have listed them here with additional notes below it. Let me know which one of the following is your favorite article from memory lane. 2007 Two Connections Related Global Variables Explained – @@CONNECTIONS and @@MAX_CONNECTIONS @@CONNECTIONS Returns the number of attempted connections, either successful or unsuccessful since SQL Server was last started. @@MAX_CONNECTIONS Returns the maximum number of simultaneous user connections allowed on an instance of SQL Server. The number returned is not necessarily the number currently configured. Query Editor – Microsoft SQL Server Management Studio This post may be very simple for most of the users of SQL Server 2005. Earlier this year, I have received one question many times – Where is Query Analyzer in SQL Server 2005? I wrote small post about it and pointed many users to that post – SQL SERVER – 2005 Query Analyzer – Microsoft SQL SERVER Management Studio. Recently I have been receiving similar question. OUTPUT Clause Example and Explanation with INSERT, UPDATE, DELETE SQL Server 2005 has a new OUTPUT clause, which is quite useful. OUTPUT clause has access to insert and deleted tables (virtual tables) just like triggers. OUTPUT clause can be used to return values to client clause. OUTPUT clause can be used with INSERT, UPDATE, or DELETE to identify the actual rows affected by these statements. OUTPUT clause can generate a table variable, a permanent table, or temporary table. Even though, @@Identity will still work with SQL Server 2005, however I find the OUTPUT clause very easy and powerful to use. Let us understand the OUTPUT clause using an example. Find Name of The SQL Server Instance Based on database server stored procedures has to run different logic. We came up with two different solutions. 1) When database schema is very much changed, we wrote completely new stored procedure and deprecated older version once it was not needed. 2) When logic depended on Server Name we used global variable @@SERVERNAME. It was very convenient while writing migrating script which depended on the server name for the same database. Explanation of TRY…CATCH and ERROR Handling With RAISEERROR Function One of the developers at my company thought that we can not use the RAISEERROR function in new feature of SQL Server 2005 TRY… CATCH. When asked for an explanation he suggested SQL SERVER – 2005 Explanation of TRY… CATCH and ERROR Handling article as excuse suggesting that I did not give example of RAISEERROR with TRY…CATCH. We all thought it was funny. Just to keep records straight, TRY… CATCH can sure use RAISEERROR function. Different Types of Cache Objects Serveral kinds of objects can be stored in the procedure cache: Compiled Plans: When the query optimizer finishes compiling a query plan, the principal output is compiled plan. Execution contexts: While executing a compiled plan, SQL Server has to keep track of information about the state of execution. Cursors: Cursors track the execution state of server-side cursors, including the cursor’s current location within a resultset. Algebrizer trees: The Algebrizer’s job is to produce an algebrizer tree, which represents the logic structure of a query. Open SSMS From Command Prompt – sqlwb.exe Example This article is written by request and suggestion of Sr. Web Developer at my organization. Due to the nature of this article most of the content is referred from Book On-Line. sqlwbcommand prompt utility which opens SQL Server Management Studio. Squib command does not run queries from the command prompt. sqlcmd utility runs queries from command prompt, read for more information. 2008 Puzzle – Solution – Computed Columns Datatype Explanation Just a day before I wrote article SQL SERVER – Puzzle – Computed Columns Datatype Explanation which was inspired by SQL Server MVP Jacob Sebastian. I suggest that before continuing this article read the original puzzle question SQL SERVER – Puzzle – Computed Columns Datatype Explanation.The question was if the computed column was of datatype TINYINT how to create a Computed Column of datatype INT? 2008 – Find If Index is Being Used in Database It is very often I get a query that how to find if any index is being used in the database or not. If any database has many indexes and not all indexes are used it can adversely affect performance. If the number of indices are higher it reduces the INSERT / UPDATE / DELETE operation but increase the SELECT operation. It is recommended to drop any unused indexes from table to improve the performance. 2009 Interesting Observation – Execution Plan and Results of Aggregate Concatenation Queries If you want to see what’s going on here, I think you need to shift your point of view from an implementation-centric view to an ANSI point of view. ANSI does not guarantee processing the order. Figure 2 is interesting, but it will be potentially misleading if you don’t understand the ANSI rule-set SQL Server operates under in most cases. Implementation thinking can certainly be useful at times when you really need that multi-million row query to finish before the backup fire off, but in this case, it’s counterproductive to understanding what is going on. SQL Server Management Studio and Client Statistics Client Statistics are very important. Many a times, people relate queries execution plan to query cost. This is not a good comparison. Both parameters are different, and they are not always related. It is possible that the query cost of any statement is less, but the amount of the data returned is considerably larger, which is causing any query to run slow. How do we know if any query is retrieving a large amount data or very little data? 2010 I encourage all of you to go through complete series and write your own on the subject. If you write an article and send it to me, I will publish it on this blog with due credit to you. If you write on your own blog, I will update this blog post pointing to your blog post. SQL SERVER – ORDER BY Does Not Work – Limitation of the View 1 SQL SERVER – Adding Column is Expensive by Joining Table Outside View – Limitation of the View 2 SQL SERVER – Index Created on View not Used Often – Limitation of the View 3 SQL SERVER – SELECT * and Adding Column Issue in View – Limitation of the View 4 SQL SERVER – COUNT(*) Not Allowed but COUNT_BIG(*) Allowed – Limitation of the View 5 SQL SERVER – UNION Not Allowed but OR Allowed in Index View – Limitation of the View 6 SQL SERVER – Cross Database Queries Not Allowed in Indexed View – Limitation of the View 7 SQL SERVER – Outer Join Not Allowed in Indexed Views – Limitation of the View 8 SQL SERVER – SELF JOIN Not Allowed in Indexed View – Limitation of the View 9 SQL SERVER – Keywords View Definition Must Not Contain for Indexed View – Limitation of the View 10 SQL SERVER – View Over the View Not Possible with Index View – Limitations of the View 11 SQL SERVER – Get Query Running in Session I was recently looking for syntax where I needed a query running in any particular session. I always remembered the syntax and ha d actually written it down before, but somehow it was not coming to mind quickly this time. I searched online and I ended up on my own article written last year SQL SERVER – Get Last Running Query Based on SPID. I felt that I am getting old because I forgot this really simple syntax. Find Total Number of Transaction on Interval In one of my recent Performance Tuning assignments I was asked how do someone know how many transactions are happening on a server during certain interval. I had a handy script for the same. Following script displays transactions happened on the server at the interval of one minute. You can change the WAITFOR DELAY to any other interval and it should work. 2011 Here are two DMV’s which are newly introduced in SQL Server 2012 and provides vital information about SQL Server. DMV – sys.dm_os_volume_stats – Information about operating system volume DMV – sys.dm_os_windows_info – Information about Operating System SQL Backup and FTP – A Quick and Handy Tool I have used this tool extensively since 2009 at numerous occasion and found it to be very impressive. What separates it from the crowd the most – it is it’s apparent simplicity and speed. When I install SQLBackupAndFTP and configure backups – all in 1 or 2 minutes, my clients are always impressed. Quick Note about JOIN – Common Questions and Simple Answers In this blog post we are going to talk about join and lots of things related to the JOIN. I recently started office hours to answer questions and issues of the community. I receive so many questions that are related to JOIN. I will share a few of the same over here. Most of them are basic, but note that the basics are of great importance. 2012 Importance of User Without Login Question: “In recent version of SQL Server we can create user without login. What is the use of it?” Great question indeed. Let me first attempt to answer this question but after reading my answer I need your help. I want you to help him as well with adding more value to it. Preserve Leading Zero While Coping to Excel from SSMS Earlier I wrote two articles about how to efficiently copy data from SSMS to Excel. Since I wrote that post there are plenty of interest generated on this subject. There are a few questions I keep on getting over this subject. One of the question is how to get the leading zero preserved while copying the data from SSMS to Excel. Well it is almost the same way as my earlier post SQL SERVER – Excel Losing Decimal Values When Value Pasted from SSMS ResultSet. The key here is in EXCEL and not in SQL Server. Solution – 2 T-SQL Puzzles – Display Star and Shortest Code to Display 1 Earlier on this blog we had asked two puzzles. The response from all of you is nothing but Amazing. I have received 350+ responses. Many are valid and many were indeed something I had not thought about it. I strongly suggest you read all the puzzles and their answers here - trust me if you start reading the comments you will not stop till you read every single comment. Seriously trust me on it. Personally I have learned a lot from it. Identify Most Resource Intensive Queries – SQL in Sixty Seconds #028 – Video http://www.youtube.com/watch?v=TvlYy-TGaaA Importance of User Without Login – T-SQL Demo Script Earlier I wrote a blog post about SQL SERVER – Importance of User Without Login and my friend and SQL Expert Vinod Kumar has written excellent follow up blog post about Contained Databases inside SQL Server 2012. Now lots of people asked me if I can also explain the same concept again so here is the small demonstration for it. Let me show you how login without user can help. Before we continue on this subject I strongly recommend that you read my earlier blog post here. In following demo I am going to demonstrate following situation. Login using the System Admin account Create a user without login Checking Access Impersonate the user without login Checking Access Revert Impersonation Give Permission to user without login Impersonate the user without login Checking Access Revert Impersonation Clean up Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Memory Lane, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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• How to unlock files using handle.exe and process name?

  - by Radek

  I tried Unlocker 1.9.1 but it doesn't work correctly for me on Windows7 (worked ok on Windows XP) and also I tried LockHunter 2.0.2.103 x64 and reported a bug but .... LockHunter actually unlocks the file from GUI but not from command line. So I want to use handle.exe by SysInternals to unlock one file "TestPro.log". I know the absolut path if it helps. I can list and all processes that locked the file by executing C:\Windows\system32>c:\edutester\progs\handle testpro.log java.exe pid: 2120 type: File 338: C:\Users\Public\TestPro \TestPro Automation Framework\Logs\TestPro.log java.exe pid: 1004 type: File 934: C:\Users\Public\TestPro \TestPro Automation Framework\Logs\TestPro.log What I need to know how to unlock the file using above info from command line automatically. No user intervention is possible. Windows 7 64bit Microsoft Windows [Version 6.1.7601]

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• Trying to mount NFS share on Windows Machien at startup with Z: letter for all users

  - by ScottC

  Windows Server 2008 We are trying to mount a specific drive letter on a windows machine from a unix machine. We need the mount to be available to the server even if no users are logged in and to users who are logged in with If we run the command from the command prompt manually it conencts and we have access to the NFS share, and can open it and see and edit files. mount -o fileaccess=777 anon \\127.0.0.1\nav z: (ip address replaced with 127.0.0.1 for security reasons) However if we try to automate the task by making an entry in the task schedule for boot time, to execute the batch script, it adds a disconencted drive to the list in 'My Computer' but it is disconencted and when trying to access the drive an error is produced: Z: is not accessible The data area passed to a system call is too small.| Tried as administrator with highest privelidges, as SYSTEM (group) and as my user (adminstator level user) same results. Is there another way to do this? Most of the help I have found online suggest this way but it keeps failing.

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• SSH service will not start on fresh Cygwin 1.7.15 install

  - by Coder6841

  OS: Windows 7 x64 Cygwin: 1.7.15-1 OpenSSH: 6.0p1-1 I'm attempting to install an SSH server on Windows 7. The tutorial that I'm following to do this is here: http://www.howtogeek.com/howto/41560/how-to-get-ssh-command-line-access-to-windows-7-using-cygwin/ The issue is that upon executing the net start sshd command I get the following output:The CYGWIN sshd service is starting. The CYGWIN sshd service could not be started. The service did not report an error. More help is available by typing NET HELPMSG 3534. Here is the full output of the setup: AdminUser@ThisComputer ~ $ ssh-host-config *** Info: Generating /etc/ssh_host_key *** Info: Generating /etc/ssh_host_rsa_key *** Info: Generating /etc/ssh_host_dsa_key *** Info: Generating /etc/ssh_host_ecdsa_key *** Info: Creating default /etc/ssh_config file *** Info: Creating default /etc/sshd_config file *** Info: Privilege separation is set to yes by default since OpenSSH 3.3. *** Info: However, this requires a non-privileged account called 'sshd'. *** Info: For more info on privilege separation read /usr/share/doc/openssh/README.privsep. *** Query: Should privilege separation be used? (yes/no) yes *** Info: Note that creating a new user requires that the current account have *** Info: Administrator privileges. Should this script attempt to create a *** Query: new local account 'sshd'? (yes/no) yes *** Info: Updating /etc/sshd_config file *** Query: Do you want to install sshd as a service? *** Query: (Say "no" if it is already installed as a service) (yes/no) yes *** Query: Enter the value of CYGWIN for the daemon: [] *** Info: On Windows Server 2003, Windows Vista, and above, the *** Info: SYSTEM account cannot setuid to other users -- a capability *** Info: sshd requires. You need to have or to create a privileged *** Info: account. This script will help you do so. *** Info: You appear to be running Windows XP 64bit, Windows 2003 Server, *** Info: or later. On these systems, it's not possible to use the LocalSystem *** Info: account for services that can change the user id without an *** Info: explicit password (such as passwordless logins [e.g. public key *** Info: authentication] via sshd). *** Info: If you want to enable that functionality, it's required to create *** Info: a new account with special privileges (unless a similar account *** Info: already exists). This account is then used to run these special *** Info: servers. *** Info: Note that creating a new user requires that the current account *** Info: have Administrator privileges itself. *** Info: No privileged account could be found. *** Info: This script plans to use 'cyg_server'. *** Info: 'cyg_server' will only be used by registered services. *** Query: Do you want to use a different name? (yes/no) no *** Query: Create new privileged user account 'cyg_server'? (yes/no) yes *** Info: Please enter a password for new user cyg_server. Please be sure *** Info: that this password matches the password rules given on your system. *** Info: Entering no password will exit the configuration. *** Query: Please enter the password: *** Query: Reenter: *** Info: User 'cyg_server' has been created with password '[CENSORED]'. *** Info: If you change the password, please remember also to change the *** Info: password for the installed services which use (or will soon use) *** Info: the 'cyg_server' account. *** Info: Also keep in mind that the user 'cyg_server' needs read permissions *** Info: on all users' relevant files for the services running as 'cyg_server'. *** Info: In particular, for the sshd server all users' .ssh/authorized_keys *** Info: files must have appropriate permissions to allow public key *** Info: authentication. (Re-)running ssh-user-config for each user will set *** Info: these permissions correctly. [Similar restrictions apply, for *** Info: instance, for .rhosts files if the rshd server is running, etc]. *** Info: The sshd service has been installed under the 'cyg_server' *** Info: account. To start the service now, call `net start sshd' or *** Info: `cygrunsrv -S sshd'. Otherwise, it will start automatically *** Info: after the next reboot. *** Info: Host configuration finished. Have fun! AdminUser@ThisComputer ~ $ net start sshd The CYGWIN sshd service is starting. The CYGWIN sshd service could not be started. The service did not report an error. More help is available by typing NET HELPMSG 3534. Note that on the line *** Query: Enter the value of CYGWIN for the daemon: [] I haven't entered anything. Tutorials often say to use ntsec or ntsec tty here but those options are removed from the latest version of OpenSSH. I've tried using them anyway and the result is the same. The file /var/log/sshd.log is empty. If I try just running the command /usr/sbin/sshd I get the output /var/empty must be owned by root and not group or world-writable.. The /var/empty directory has the following permissions: drwxr-xr-x+ 1 cyg_server root 0 May 29 15:28 empty. Google searches on this error did not turn up any working fixes. One person seems to have solved it by using the command chown SYSTEM /var/empty but that did not fix it in my case.

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• [tcp] :/: RPCPROG_NFS: RPC: Program not registered

  - by frankcheong

  I tried to share the root / from a fedora 9 to a freeBSD while when I tried to mount the / folder it complained with "[tcp] nfs_server:/: RPCPROG_NFS: RPC: Program not registered". I followed the below steps to setup on the fedora nfs server:- Add the below line inside the /etc/exports / nfs_client(rw,no_root_squash,sync) restart the nfs related service service portmapper restart service nfslock restart service nfs restart export the filesystem using the below command:- exportfs -arv On the nfs client, I have troubleshoot using the below command:- rpcinfo -p nfs_server program vers proto port service 100000 2 tcp 111 rpcbind 100000 2 udp 111 rpcbind 100024 1 udp 32816 status 100024 1 tcp 34173 status 100011 1 udp 817 rquotad 100011 2 udp 817 rquotad 100011 1 tcp 820 rquotad 100011 2 tcp 820 rquotad 100003 2 udp 2049 nfs 100003 3 udp 2049 nfs 100021 1 udp 32818 nlockmgr 100021 3 udp 32818 nlockmgr 100021 4 udp 32818 nlockmgr 100005 1 udp 32819 mountd 100005 1 tcp 34174 mountd 100005 2 udp 32819 mountd 100005 2 tcp 34174 mountd 100005 3 udp 32819 mountd 100005 3 tcp 34174 mountd showmount -e nfs_client Exports list on nfs_server: / nfs_client What else did I missed?

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• ifconfig return "unknown interface: no such device"

  - by xolstice

  I'm trying to install a Linux driver for my wireless network card (D-Link DWL-G510) on my Red Hat Linux 7.1 machine with a 2.4.37.9 kernel. I downloaded the serial monkey driver from the sourceforge site and was able to successfully compile the rt73 module and load it into the kernel. The problem now is that everytime I issue the command ifconfig wlan0 up it keeps returning with the following error message: wlan0: unknown interface: No such device. I'm at a loss as to what to do here. I specifed wlan0 as the alias for the rt73 module in the modules.conf and also tried to load the driver with the command modprobe rt73 ifname=wlan0 (this specifies the interface name according to the instructions packaged in the driver), but the error message still keeps coming up. Is there something else I need to do in Linux to configure the wlan0 part or is the module not recognizing the wireless network card? It would be quite strange if it is the later since all information from the Internet is indicating this is the linux driver I should be using for mentioned wireless card.

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• How can I make Amazon SES the default method of sending mail from my server?

  - by Jake

  I'd like to start using Amazon SES for all emails from our server. We have a few freelance designers with PHP hosting, some Django/Python web apps and also some system utilities which send emails. So I'd like to have PHP's mail function, the command line mail command and our python apps all be able to use it, preferably without having to set them all up in their own way. I think what I need is to have something like Postfix running on localhost and using SES for it's delivery but I don't know how to do that. Amazon's docs state I need to setup my mail transfer agent (MTA) so that it invokes the ses-send-email.pl script. I have the script but I'm not sure how to achieve this. Am I on the right track? If so, how can I configure Postfix to use that script?

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• linux CLI screenshot without X

  - by Dustin Getz

  is there an easy FOSS way to get a screenshot of a curses-based command line GUI when X isn't installed?

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• How do I make a POST request with curl

  - by Laurie Young

  How do I make a POST request with curl command line tool?

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• How to boot between OSes from inside each OS? in a Windows/Ubuntu dual boot system

  - by TheCompander

  My ideal scenario is that there is a script/command to boot into the alternate OS from the current OS you are in, restarting the same OS without running the script/command will return it to the same OS. Currently I have grub setup to remember the last OS booted, using GRUB_DEFAULT=saved and GRUB_SAVEDEFAULT=true, I'd like to keep this option. I have read about the ability to manipulate grub from within Ubuntu to boot into windows, shown in this link. Is there a way to similarly boot into Ubuntu from within Windows? I am primarily connecting to this device remotely and hence my query.

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• RHEL 4.8 / Sybase 12.5.4 64 bit install error - I have libaio i368 installed I need libaio x86_64 in

  - by Jon

  I am trying to install Sybase ASE 12.5.4 64 bit. I know the machine has a 64 bit processor It is giving me an error during install saying: "error while loading shared libraries: libaio.s0.1" I run the command: rpm -q --qf '%{NAME}-%{VERSION}-%{RELEASE} (%{ARCH})\n' libaio Which returns: libaio-0.3.105-2 (i386) I found a src rpm for libaio-0.3.102. I followed the steps to install which included using make. It appeared to install without error. But when I run the rpm -q command again I still only see the i386 version installed. Not really sure where to go from here. Ideally I would like to find a regular rpm of libaio x86_64 for RHEL 4.8. If I were to find one would I upgrade the package that is already there? Would I remove and install the new one. Or would I install and two separate version of the library?

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• Trying to administer network setting of server via netsh

  - by Jaime

  Hi there, I am trying to configure the LAN settings of a Windows 2008 server remotely via netsh. I've been trying this command (issued at the client) assuming the IP address of the server is 192.168.0.1: netsh -r 192.168.0.1 -u 192.168.0.1\Administrator -p password lan show config but I keep getting the following message: WARNING: Could not obtain host information from machine [192.168.0.1]. Some commands may not be available. The RPC server is unavailable. Am I understanding the command above properly? Is there a step or two that I missed in setting this up? Thanks in advance. P.S. The Routing and Remove Access service on the server is enabled.

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• How to change MySQL data directory?

  - by Jonathan Frank

  I want to place my databases in another directory, so I can store them in an ESB (elastic block storage, just a fancy name for a virtualized harddisk) together with my web-apps and other persistent data. I have tried to walk through a tutorial at http://crashmag.net/change-the-default-mysql-data-directory-with-selinux-enabled. Everything seems fine until I type this command: # semanage fcontext -a -t mysqld_db_t "/srv/mysql(/.*)?" Then the command fails and tells me that mysqld_db_t is an invalid SELinux context even if the default MySQL data directory is labelled with this context. I am running Fedora 15 on Virtualbox (behaves like an ordinary x86-compatible box) and Amazon EC2 (based on Xen) so the tutorial should be compatible. It is also worth to mention that turning off SELinux globally or just for the MySQL process is not an option, because such a solution will decrease the security of the system if a hacker gains access to the system via the MySQL server. I have never seen this problem before I changed to the Redhat/Fedora architecture, so it could be a distribution specific issue. Any help is highly appreciated

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• Can't login into Fedora 14 (XFCE) desktop. For the second time.

  - by bubba88

  Hello. I'm experiencing a problem with my Fedora 14 XFCE spin, which doesn't seem to let me pass the login screen: I enter my password for my user record, authentication passes (no 'Authentication Failure' message, which was when I tried to login as 'root' without root login enabled), and the screen becomes black (command line) for a couple of seconds and (voila!) my login screen emerges again. I did nothing to cause that, it just suddenly logged me out when I was editing window manager settings via XFCE's built-in GUI utility (choosing window decorations style, from the listbox on the left) For the first time, I had to boot from live CD and do a fresh install, but I don't really want to do that again :) Is there some way to repair this (maybe login via command line and reset window manager settings, I don't know really)? Thank you very much in advance!

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• beanstalk using php-git on windows client

  - by ntidote

  I am trying to install beanstalk for php using git. I am using a Windows Client machine. I am done with the prerequisite installations , credentials setup. I am following the link http://docs.amazonwebservices.com/elasticbeanstalk/latest/dg/create_deploy_PHP.sdlc.html The following step does not workout (i use git bash for git related commands) From your Git repository directory, type the following command. git aws.config This gives the error git : 'aws.config' is not a git command. Please suggest how to deal with the issue.

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• No win 7 users available for login after dell datasafe factory reset

  - by user897052

  I created install discs using the Dell datasafe 2.0 backup utility in order to re-install windows on a friend's laptop (dell inspiron n5110). I ran the discs to do a factory reset. after the whole process, it booted, started loading windows 7, displayed the messages "setup is preparing your computer for first use" and "setup is checking video performance," and showed the login screen. However, there don't seem to be any active users on the machine - I opened a command prompt window to check the users on the machine. Using the command prompt (again, from the login window), i activated/enabled the administrator account, and even created another admin account, and upon logging in received several errors, couldn't load any mmc's, etc. any help would be appreciated.

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