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• Bizarre SSH Problem - It won't even start

  - by thallium85

  I recently got Ubuntu 12.04 Precise, got it up and running with some MediaWiki software, static IP on the box and router and was able to access the main page even from a cell phone. Everything seemed great... Then I wanted to finally get rid of the monitor and keyboard and login remotely via SSH. I installed openssh-server, let everything point to port 22 for a test run and installed putty on my Windows XP machine. I got a connection refused. Went back and started checking the Ubuntu install itself... (I'm under root from this point on) $ sudo -s $ service ssh status ssh stop/waiting $ service ssh start ssh start/running, process 2212 $ service ssh status ssh stop/waiting Apparently ssh has stopped or is waiting for something.... $ ssh localhost ssh: connect to host localhost port 22: Connection refused I can't even connect to myself... I checked ufw (firewall) to see if port 22 is doing alright... $ sudo ufw status Status: active To Action From 22 ALLOW Anywhere 22/tcp ALLOW Anywhere 22 ALLOW Anywhere (v6) 22/tcp ALLOW Anywhere (v6) sshd_config shows only Port 22 Is ssh not using the right IP address at all? I just don't get what I did wrong here. When this is up and running I will def change the port number, but for now, I don't want to mess with the default install too much until a test run with putty is successful. Edit: Here are my sshd_config file and my ssh_config file. The command /usr/sbin/sshd -p 22 -D -d -e returns: /etc/ssh/sshd_config line 159: Subsystem 'sftp' already defined. Edit: @phoibus moving the sshd_config file and reinstalling did the trick! service ssh status the above command shows that ssh is now running and I am now able to log in from my windows xp computer remotely via putty. Thanks so much! I can now use my monitor for other things!

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• Git clone on an ovh host server

  - by newben

  I want to do a git-clone from an ssh connection, on an ovh host-server, but it does not work: Here's the command I entered: git clone ssh :/ / [email protected] / www / (and all variations /. Git / www / .git, / www / .git / ... ) This is the message that I invariably get: fatal: '/ www': unable to chdir or not a git archive fatal: The remote end hung up unexpectedly Moreover, the command git clone "ssh :/ / [email protected] / ~ / forumdesthinktanks.git" responded with: Permission denied, please try again. [email protected] 's password: While the ftp password is correct. Finally, the commands git clone ssh :/ / [email protected] /. Git and git clone ssh :/ / [email protected] / ~ / forumdesthinktanks.git do not work (until the terminal's time out). I'm using a terminal from my Mac.

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• Unable to copy multiple files from remote sftp via ssh

  - by Kevin S

  I am trying to copy multiple (1000s) .JPG files from remote SFTP server to current server using mget command but it is not working. Here is the command that I used sftp [email protected] sftp> cd /images sftp> mget *.JPG Screenshot at http://i.stack.imgur.com/bSciQ.png Nothing happens so when I do CTRL + C it gives an error that says File "/images/*.JPG" not found. I have already referred all suggestions posted on the forum but nothing is working. Let me know if there is another way to copy.

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• ntbackup workalike for adhoc full backups in Windows 7 thats free and preferably open source

  - by Justin Dearing

  On windows 2000 and XP machines I used to be able to do the following: ntbackup backup systemstate c: /f e:\backups\machineName\machineName-full+systemstate_200101206.bkf This gave me a full backup of the system that I could use to do a system restore, after doing a barebones OS install. Windows 7 has a great utility for regular backups with alerting and all that stuff. It does not seem to have command line support. I'd like a backup solution for my Windwos 7 systems that has the following features: Is free Is open source (preferebly) Works while the system is booted and leaves the system functional (clonezilla is great for offline backups, and I use that too) Gives me a backup that is suited for a full system restore or partial system restore (ruling out most imaging software even if they could work while the system is booted via some sort of shadow copy voodoo) Can work via the command line Compression would be nice, the ability to pipe output would be better.

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• Can not run ifconfig like commands via browser

  - by savruk

  Problem is I cannot run "ifconfig" or similar commands via browser. Environment: Programming language : python Server : lighttpd(CGI) , running on busybox. Well machine is really small and so I am really restricted. Tried techniques: chown every script to root. But there is no differences. Why? Because lighttpd runs under another user, I mean not under root. As it is not root, when I try to run script from browser it always calls the python file with its uid. So it makes it impossible to run "ifconfig eth0 192.168.2.123" like commands via web browser. I get "ifconfig: SIOCSIFADDR: Permission denied" error. What can I do? I do not have any sudoers file, so cannot modify sudo command. Well, I don't even have "sudo" command :) Thanks for your help

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• How can I programmatically change the keyboard layout?

  - by Jason R. Coombs

  I want to run a shell command or script that will configure each of my Ubuntu Precise boxes to use the Dvorak keyboard layout as the default (and only) layout. With earlier versions, I was able to set the XKBVARIANT in /etc/default/keyboard but when I make this change in Precise (and reboot), the keyboard layout appears to be unaffected (both in console and in gnome). I tried also setting the XKBMODEL to pc105 and XKBLAYOUT to us, but that did not seem to help. I know I can set the layout for gnome using the 'keyboard layout' tool... but I want the change to affect the console, and I want to automate the process. How can I accomplish this? Edit: To clarify, I want to know how I can cause to change (using only a script or command-line) the keyboard layout to be Dvorak as the default and only keyboard layout for both Gnome and the console. I want this change to be persistent (survive reboots), just as it is when the change is made through the Keyboard Layout tool. Edit: Let me put it another way. If I had installed the operating system myself (which I did not because the OS was installed by the virtual machine infrastructure), I could have selected the desired keyboard layout at install time, and that layout would be applied persistently, system-wide. How can I change the layout to appear as if I had set it during the install process?

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• Network: Incoming connections work, outgoing fails

  - by anirvan

  i recently set up my own server at home to run Ubuntu 12.04 server ed. on booting up, i noticed that a message related to networking comes up, and the booting process pauses. the message read something like - waiting for network configuration and after a while - waiting another 60 seconds... on booting up, I realised that any command which requires a network connection was not working - ping, apt-get install, etc. on firing the ifup eth0 command, I get the error RTNETLINK answers: File exists. Failed to bring up eth0. I also realised, while searching the web for this problem, that this is probably one of the most common networking related issues - however, most of the questions are around setting up multiple IPs for the same machine. ifdown eth0 also fails, stating that eth0 is not configured. my /etc/network/interfaces file has a simple configuration for a static IP: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address xx.xx.xx.xx netmask xx.xx.xx.xx broadcast xx.xx.xx.xx gateway xx.xx.xx.xx dns-nameservers xx.xx.xx.xx The strangest part of this problem is that, while I can't connect to anything outside, I can ping to this particular server using the static IP configured in the interface file, and, i can even SSH into it! I'm really at ends here with this problem, and any guidance is much appreciated. Thanks!

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• How do I modify these VPN connection settings for Xfce?

  - by Dave M G

  I have signed up for a VPN (Virtual Private Network) service, and I configured it for use on my computer that runs Gnome Classic with the following instructions: In Terminal, install openvpn packages with sudo apt-get install network-manager-openvpn. 1. Restart the network manager with sudo restart network-manager 2. Run sudo wget https://www.xxxxxxx.com/ovpnconfigure.zip 3. Extract the files from the zip with unzip ovpnconfigure.zip. 4. Move cert.crt to /etc/openvpn 5. Open the Network Manager on the menu bar. 6. Choose add and select the OpenVPN connection type, and click Create. 7. Enter Private Internet Access SSL for the Connection Name. 8. Enter xxxxxx.xxxxxxxx.com for the Gateway 9. Select Password and enter your login credentials. 10. Browse and select the CA Certificate we saved in Step 3. 11. Choose Advanced and enable LZO Compression. 12. Apply and exit. 13. Connect using the Network Manager. It worked, but now I want to set up access to the same VPN service on another machine that runs Mythbuntu, which uses Xfce as its desktop manager. So every point from 5 on doesn't apply. How can I modify the above instructions so that I can get my VPN service working with Xfce. As a further note, while I can access the Xfce desktop directly if I need to, it's more convenient for me to access it via the command line and SSH from on of my other computers. A command line process would be ideal. (I looked for this, and found instructions only for PPTP access, whereas I need OpenVPN.)

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• Check if folders exist in Git repository... testing if a sub-string exists in bash with NULL as a separator

  - by Craig Francis

  I have a common git "post-receive" script for several projects, and it needs to perform different actions if an /app/ or /public/ folder exists in the root. Using: FOLDERS=`git ls-tree -d --name-only -z master`; I can see the directory listing, and I would like to use the RegExp support in bash to run something like: if [[ "$FOLDERS" =~ app ]]; then ... fi But that won't work if there was something like an "app lication" folder... I specified the "-z" option in the git "ls-tree" command so I could use the \0 (null) character as a separator, but not sure how to test for that in the bash RegExp. Likewise I know there is support for specifying a particular path in the ls-tree command, and could then pipe that to "wc -l", but I'd have thought it was quicker to get a full directory listing of the root (not recursive) then test for the 2 (or more) folders with the returned output. Possibly related to: http://stackoverflow.com/questions/7938094/git-how-to-check-which-files-exist-and-their-content-in-a-shared-bare-repos

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• The tale of how the PowerShell CmdLets got installed with Azure SDK 1.4

  - by Enrique Lima

  I installed the Azure SDK 1.4 while rebuilding my laptop and ran the installation for the Windows Azure Service Management PowerShell CmdLets. Kicked off the installation script for the WASM PowerShell CmdLets by locating the path to which WASM PowerShell CmdLets was deployed to. Double clicked the startHere command. It will then open the WASM installation dialog. Click Next. Click Next. Notice the red x next to the Azure SDK 1.3, the problem is I have SDK 1.4 Here is the workaround, I go back to the location of the deployed WASM sources. Go into the setup path, then scripts>dependencies>check. Now, locate the CheckAzureSDK.ps1 file, and right-click, then edit. This is the content in the ps1 file, it check for the specific version of the Azure SDK, in this case, it is looking for version 1.3.11133.0038. We need for it to check for version 1.4.20227.1419 Now, save your ps1 file, go back to the open WASM install dialog, and click rescan. This time it should pass, then click next. A Command prompt window will appear, click any key. This completes the installation, click Close.

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• Accessing the Local System Account to accept a software licence

  - by Ryan French

  Hi All, I have a server at the moment running ColdFusion which is being used to access a windows whois program on the server. Each time I call this command via ColdFusion (using cfexecute) the command times out. I believe the issue is because the first time a user runs the .exe file they are asked to accept the licence. ColdFusion is currently set to run under the Local System account and I am just wondering if it is possible to somehow log into this account and run the program manually via the console so that I can accept the licence. I guess my only other option is to change the account ColdFusion runs under, but I would rather not do this.

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• Speed up ADF Mobile Deployment to Android with Keystore

  - by Shay Shmeltzer

  As you might have noticed from my latest ADF Mobile entries, I'm doing most of my ADF Mobile development on a windows machine and testing on an Android device. Unfortunately the Android/windows experience is not as fast as the iOS/Mac one. However, there is one thing I learned today that can make this a bit less painful in terms of the speed to deploy and test your application - and this is to use the "Release" mode when deploying your application instead of the "Debug" mode. To do this you'll first need to define a keystore, but as Joe from our Mobile team showed me today, this is quite easy. Here are the steps: Open a command line in your JDK bin directory (I just used the JDK that comes with the JDeveloper install). Issue the following command: keytool –genkey –v –keystore <Keystore Name>.keystore –alias <Alias Name> -keyalg RSA –keysize 2048 –validity 10000 Both keystore name and alias names are strings that you decide on. The keytool utility will then prompt you with various questions that you'll need to answer. Once this is done, the next step is to configure your JDeveloper preferences->ADF Mobile to add this keystore there under the release tab:  Then for your application specific deployment profile - switch the build mode from debug to release. The end result is a much smaller mobile application (for example from 60 to 21mb) and a much faster deployment cycle (for me it is about twice as fast as before).

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• sed comand - remove virus from wordpress [duplicate]

  - by EliaszKubala

  This question already has an answer here: How do I deal with a compromised server? 12 answers I have malicious code in every php file. This malicius code is auto paste at the beginning of file. I want to remove this with UNIX command from console. This is malicious code: <?php $guobywgpku = '..... u=$bhpegpvvmc-1; ?> I write this RegExp, "/<\?php \$guobywgpku.*\?>/m" and this RegExp work. I tested it here. The problem is, write command which remove this malicious code from every php file on the sever. Please Help me. Now i have something like this. sed "/<\?php \$guobywgpku.*\?>/m" index.php

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• Deleting Time Machine in Mac OS X 10.6.4

  - by cappuccino

  Does anyone know how to delete Time Machine in Mac OS X 10.6.4? Before answering: sudo rm -rf /whateverthetimemachineis does not work Disabling the ACL permissions first with sudo fsaclctl -p /whatever -d does not work, sudo: fsaclctl: command not found Use the delete all backup feature in Time Machine... this is slow as hell, would take days. Need a command line solution. No I don't want to reformat the drive, I have other content on it, and no don't say I should have separated on two partition or two drives, I did it this say since partitions cannot be dynamically changed, and two drives is annoying since, whats the point of having a big drive?... plus has no relation to the issue at hand. Already googlied for hours and read everything on Super User, nothing working. and all solutions are the first 4. Any clues?

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• SharePoint Development: Making that application pool recycle less annoying

  - by Sahil Malik

  SharePoint 2010 Training: more information If you’re like me, you’re easily distracted. What was I talking about again? Oh yes! See, whenever I am writing a farm solution that requires an application pool recycle, I hit CTRL_SHIFT_B to deploy (how to remap CTRL_SHIFT_B to deploy?).Now, I have what, a good 15-20 seconds to goof off and check my gmail/facebook/twitter/IM conversations, right? Sure .. 30 minutes later .. my application pool has died and recycled 3 times on it’s own. Hmm. Clearly, this was becoming a serious issue. So what am I supposed to do here? Well, worry not! Here is what you need to do, Right click\Properties on your SharePoint project, and look for the “SharePoint” tab. Look for post-deployment command line, and add the following post-deployment command line. (Be careful, copy paste exactly as is).   Read full article ....

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• Enable Ctrl (or Alt) + arrow keys to mimic 'home' and 'end' functionality

  - by YuKagi

  I am a long time Mac user and I'm now using a Ubuntu machine for development, and while I'm more or less used to a lot of the keyboard shortcuts, one thing I can't get used to is using the 'Home' and 'End' keys to move around lines of text. On a Mac you use "Command + right arrow" to go to the end of a line and "Command + left arrow" to go to the beginning. Is there a way to enable this kind of functionality in Linux? I'm not sure if this would be considered remapping, keyboard shortcuts, or what...

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• Why does Ubuntu 13.10 not detect my Win7 partition?

  - by goutham

  I'm trying to install Ubuntu 13.10 alongside Windows 7 on my DELL INSPIRON 14z 5423 laptop and I'm new to all of this. I'm using the Ubuntu 13.10 64-bit ISO burned onto a CD. The first time I tried to install it, Ubuntu said it did not detect any other OS, which meant I only had 4 options: Erase disk and install Ubuntu (I don't want to do this) Encrypt new Ubuntu. Use LVM. Something else. If I choose the Something else option, it brings me to the partition menu and says that I have 1 disk with free space of (500Gb), but that's not true because I have Windows 7. I restarted the laptop several times and booted the CD again and I got exactly the same as I did previously. How do fix this problem and install Ubuntu alongside Windows 7? After executing "sudo fdisk -l" command in terminal ubuntu@ubuntu:~$ sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0xd2b811c5 Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 206848 314574847 157184000 7 HPFS/NTFS/exFAT /dev/sda3 314574848 629147647 157286400 7 HPFS/NTFS/exFAT /dev/sda4 629147648 976771071 173811712 7 HPFS/NTFS/exFAT After removing one partition I executed command once again ubuntu@ubuntu:~$ sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0xd2b811c5 Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 206848 629145599 314469376 7 HPFS/NTFS/exFAT /dev/sda3 629147648 976771071 173811712 7 HPFS/NTFS/exFAT

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• Escape a ! in the password parameter of wget

  - by Dave

  I'm trying to execute something like this: wget --user=foo --password=bar! url The ! in the password is causing problems. I've tried escaping it with \, as in --password=bar\! I've tried encapsulating in single and double quotes. I put the password in a separate file and tried --password=cat pass.txt Each time, I get a 403 Forbidden. Using -d, I see that the SSL handshake is successful. On the Windows command line, the command works. My assumption is that I need to escape the ! differently, but I don't know how else.

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• glassfish - Unknown error when trying port 4848

  - by Majid Azimi

  I'm installing glassfish 3.1 on Windows XP service pack 3. but in configuration step it gives this error: PERFORMING THE REQUIRED CONFIGURATIONS ______________________________________ CREATING DOMAIN _______________ Executing command :C:\glassfish3\glassfish\bin\asadmin.bat --user admin --passwordfile C:\DOCUME~1\MAJIDA~1\LOCALS~1\Temp\glassfish-3.1-windows-ml.exe6\asadminTmp1079044298673991344.tmp create-domain --savelogin --checkports=false --adminport 4848 --instanceport 8080 --domainproperties=jms.port=7676:domain.jmxPort=8686:orb.listener.port=3700:http.ssl.port=8181:orb.ssl.port=3820:orb.mutualauth.port=3920 domain1 C:\glassfish3\glassfish\bin\asadmin.bat --user admin --passwordfile C:\DOCUME~1\MAJIDA~1\LOCALS~1\Temp\glassfish-3.1-windows-ml.exe6\asadminTmp5898014821156752751.tmp create-domain --savelogin --checkports=false --adminport 4848 --instanceport 8080 --domainproperties=jms.port=7676:domain.jmxPort=8686:orb.listener.port=3700:http.ssl.port=8181:orb.ssl.port=3820:orb.mutualauth.port=3920 domain1Unknown error when trying port 4848. Try a different port number. Command create-domain failed. CLI130 Could not create domain, domain1 I change 4848 to any other port. but it doesn't work. firewall is completely disabled. Could anyone help?

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• VIM is great for text. Is there, too, an efficient, mouseless way to manipulate files on OS X?

  - by Dokkat

  I am having trouble navigating through files on OS X. That is, creating files, copying, moving, and so on. I am currently using the Finder, but the act of clicking with the mouse is not very efficient. Acessing a deep folder takes a considerable amount of time and you'll have to know it's entire path. When I try to use the command line it is even worse. Going to a folder requires at least typing it's entire path with the 'cd' command; and, when you are there, you don't have full control over it. For example, how would you move 3 specific files to another folder? Some text editors offer a 'fuzzy search' function that allows a very fast form of jumping through files. What is a fast, efficient way to navigate through files on OS X?

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• Colored PS1 string

  - by Will Vousden

  Clarification: I want __foo to be executed each time the PS1 string is presented in the terminal, not when the PS1 string is constructed (hence its being in quotes). __foo contains logic that examines the current directory, so its execution must be deferred. I'm trying to use different colours in my Bash PS1 string from within a Bash function: LIGHTRED="\033[1;31m" LIGHTGREEN="\033[1;32m" RESET="\033[m" __foo () { # Do some stuff and genereate a string to echo in different colours: echo -n '\['$1'\]firstcolour \['$2'\]secondcolour' } PS1='$(__foo '$LIGHTRED' '$LIGHTGREEN')\['$RESET'\] \$' Essentially I want __foo to generate part of the PS1 in a bunch of different colours. My attempt doesn't seem to work, though; it produces the following output: -bash: 31m: command not found -bash: 32m: command not found \[]firstcolour \[\]secondcolour $ What gives, and how can I fix it?

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• SMTP Server Issue in intersystem cache

  - by nayanak

  I am facing an issue when I am sending Email from intersystems cache. I am able to send the mail, with out any problem the first time. But the second time when I am trying to send the smtp server is not responding properly. The first Helo command is sent. I recieve the confirmation 220 from the server. But I do not recieve the Message 250. So the next command is giving me the error 503, 5.5.2 "Send helo first" message. I am unable to find out why the server is not responding the second time.

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• System user authentication via web interface [closed]

  - by donodarazao

  Background: We have one pretty slow and expensive satellite Internet connection that is shared in a network with 5-50 users. To limit traffic, users shall pay a certain sum of money per hour. Routing and traffic accounting on user basis is done by a opensuse 10.3 server. Login is done via pppoe, and for each connection, username, bytes_sent, bytes_rcvd, start_time, end_time,etc are written into a mysql database. Now it was decided that we want to change from time-based to volume-based pricing. As the original developer who installed the system a couple of years ago isn't available, I'm trying to do the changes. Although I'm absolutely new to all this, there is some progress. However, there's one point I'm absolutely stuck. Up to now, only administrators can access connection details and billing information via a web interface. But as volume-based prices are less transparent to users than time-based prices, it is essential that users themselves can check their connections and how much they cost via the web interface. For this, we need some kind of user authentication. Actual question: How to develop such a user authentication? Every user has a linux system user account. With this user name and password, connection to the pppoe-server is made by the client machines. I thought about two possibles ways to authenticate users: First possibility: Users type username and password in a form. This is then somehow checked. We already have to possibilities to change passwords via the web interface. Here are parts of the code: Part of the Perl script the homepage is linked to: #!/usr/bin/perl use CGI; use CGI::Carp qw(fatalsToBrowser); use lib '../lib'; use own_perl_module; my @error; my $data; $query = new CGI; $username = $query->param('username') || ''; $oldpasswd = $query->param('oldpasswd') || ''; $passwd = $query->param('passwd') || ''; $passwd2 = $query->param('passwd2') || ''; own_perl_module::connect(); if ($query->param('submit')) { my $benutzer = own_perl_module::select_benutzer(username => $username) or push @error, "user not exists"; push @error, "your password?!?" unless $passwd; unless (@error) { own_perl_module::update_benutzer($benutzer->{id}, { oldpasswd => $oldpasswd, passwd => $passwd, passwd2 => $passwd2 }, error => \@error) and push @error, "Password changed."; } } Here's part of the sub update_benutzer in the own_perl_module: if ($dat-{passwd} ne '') { my $username = $dat-{username} || $select-{username}; my $system = "./chpasswd.pl '$username' '$dat-{passwd}'" . (defined($dat-{oldpasswd}) ? " '$dat-{oldpasswd}'" : undef); my $answer = $system; if ($? != 0) { chomp($answer); push @$error, $answer || "error changing password ($?)"; Here's chpasswd.pl: #!/usr/bin/perl use FileHandle; use IPC::Open3; local $username = shift; local $passwd = shift; local $oldpasswd = shift; local $chat = { 'Old Password: $' => sub { print POUT "$oldpasswd\n"; }, 'New password: $' => sub { print POUT "$passwd\n"; }, 'Re-enter new password: $' => sub { print POUT "$passwd\n"; }, '(.*)\n$' => sub { print "$1\n"; exit 1; } }; local $/ = \1; my $command; if (defined($oldpasswd)) { $command = "sudo -u '$username' /usr/bin/passwd"; } else { $command = "sudo /usr/bin/passwd '$username'"; } $pid = open3(\*POUT, \*PIN, \*PERR, $command) or die; my $buffer; LOOP: while($_ = <PERR>) { $buffer .= $_; foreach (keys(%$chat)) { if ($buffer =~ /$_/i) { $buffer = undef; &{$chat->{$_}}; } } } exit; Could this somehow be adjusted to verify users, but not changing user passwords? The second possibility I see: all pppoe connections are logged in the mysql database. If I could somehow retrieve the username (or uid) of the user connected by pppoe, this could be used to authenticate users. Users could only check their internet connections and costs when they are online (and thus paying money), but this could be tolerated. Here's a line of the script that inserts connections into the database: my $username = $ENV{PEERNAME}; I thought it would be easy to use this variable, but $username seems to be always empty in test-scripts (print $username). Any idea how to retrieve the user connected to the pppoe server? Sorry for the long question! Any help would be very much appreciated. :)

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• tail -f updates slowly

  - by Cliff

  I'm not sure why, but on my Macbook Pro running lion I get slow updates when I issue "tail -f" on a log file that is being written to. I used to use this command all the time at my last company but that was typically on Linux machines. The only thing I can think of that would possibly slow the updates are buffering of output and/or maybe a different update interval on a Mac vs. Linux. I've tried with several commands all which write to stout relatively quickly but give slow updates to the tail command. Any ideas? Update I am merely running a python script with a bunch of prints in it and redirecting to a file vi " my output.log". I expect to see updates near real time but that doesn't seem to be the case.

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• Recognizing Dell EquilLogic with Nagios

  - by user3677595

  EDIT: All firmware and models are compatible, that is why nothing is posted about it. Okay, so there will be a lot here, so please bare with me. I've been working on this now for a few hours (reading manuals and such) so I'm not just coming here right out of the blue. I am working on a PRE-EXISTING Nagios server where there are several other existing plugins and checks running and working. Now I want to add another server there to check so I made the following modifications: First and foremost, I added a file to /usr/local/nagios/libexec named: check_equallogic.sh. The permissions are 755, the same as all others. I have chowned to nagios:nagios and in the listing it shows the Owner as Nagios. I then added a command to the commands.cfg file in \usr\local\nagios\etc\objects that shows the following: # 'check_equallogic' command definition define command{ command_name check_equallogic command_line $USER1$/check_equallogic -H $HOSTADDRESS$ -C $ARG1$ -t $ARG2$ $ARG3$ } Following this, I created a file named equallogic.cfg in the objects directory and it contains (more or less): define host{ use linux-server ; Inherit default values from a template host_name 172.16.50.11 ; The name we're giving to this device alias EqualLogic ; A longer name associated with the device address 172.16.50.11 ; IP address of the device contact_groups admins } Check Equallogic Information define service{ use generic-service host_name 172.16.50.11 service_description General Information check_command check_equallogic!public!info } After ensuring that permissions are okay for all files, I restart the nagios service, no errors. When I go into the WebGUI, I get the following errors AFTER the check runs: (Return code of 127 is out of bounds - plugin may be missing) Extra, probably unrelated problem Furthermore, when I log into the EquilLogic server, under Audit logs I get the following error: Level: AUDIT Time: 26/05/2014 3:59:13 PM Member: ps4100-1 Subsystem: agent Event ID: 22.7.1 SNMP packet validation failed, request received from 172.16.10.11 An snmpwalk receives a timeout, whereas others succeed. I will work on importing the MIBs tomorrow. The reason why I am mentioning it is because I want to make sure that it is only a MIB issue for the SNMP. If it is, then ignore this area. I am entirely unsure of what to do here.

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