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• Ubuntu 14.04 VPS won't boot the latest kernel on XEN

  - by aztekk

  I have a XEN VPS and it's been running Ubuntu for some years now. AUtomatic security upgrades are on and I've manually upgraded it continously and also done releas-upgrades whenever there's been a new release. All has been working great! But now, after upgradeing to 14.04 LTS, the VPS won't boot the latest kernel (3.13.0-24) even though it's set to default. It always failback to 3.2.0-60 and for some reason the VPS seams very unresponsive, compared the before. The support wrote in a ticket something about compiling my own kernel, with pvops enabled, but I'm not sure how to do that, or why I should compile my own kernel. Doesn't Ubuntu support to be run on a XEN host?

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• Apache w/out internet connection

  - by robert knobulous

  I have a Vista laptop that I have been running Apache / MySql / Php / PhpMyAdmin on for quite some time without fail. I just use it to test bits of code here and there etc. No problems, until recently when I needed to test something and I happened to be in a place that I could not get an internet connection. Why am I unable to access localhost from the same machine without an internet connection? I am type http://localhost..etc into the browser's address bar and I get the message that I am unable to access without an internet connection. I checked my windows/system32/etc/hosts file and the first two lines are 127.0.0.1 localhost ::1 localhost What am I missing here?

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• is my ddclient conf right ?

  - by Luc

  Hello, I bought my domain.tld and like to have it points toward my home server. I then created a zoneedit account and setted the zoneedit dns in my domain setting in my registrar web interface. I then installed ddclient on a machine behind my router, with the following conf: Configuration file for ddclient generated by debconf # /etc/ddclient.conf protocol=zoneedit1 use=if, if=eth0 server=www.zoneedit.com login=my_zoneedit_login password=my_zone_edit_password domain.tld When I open a browser and check http://domain.tld I have a site under contruction (from registrar dotsterparking). Is my ddclient conf correct ? Where can I find the errors (while updating my IP) if any ? Thanks a lot, Luc

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• Looking for Linux text editor

  - by Daniel

  I'm looking for VIM replacement. My key points are: Extensible in sane language (such as Python, Ruby, or even Lua, after vimscript everything will do). Also GUI part should be extensible too, so no SublimeText2. GUI. Preferrably GTK+. Lightweight. I don't understand IDEs like Eclipse/NetBeans consuming up to 1G of RAM. File browser panel. Splits, tabs and windows. There should be ability to split views tabs infinite number of times (or while they fit to screen). VCS support (optional: especially Git) Snippets & autocompletion (not mandatory, but I would very love to have those) Any ideas?

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• Use a webpage as a screen saver

  - by Stephen

  We have a number of retail stores that sell laptops. There are a number of display models on show in each retail store. At the moment screen savers are used to promote different offers and these screen savers are out of date. What I would like to do is open up a browser on these machines and just use a webpage. This way I can control exactly what is displayed and keep it up to date with our latest offers. Is it possible to have the webpage in full screen mode, with no address bar or tabs visible. As far as I'm aware these are Windows machines, probably running Windows Vista or Windows 7. Any help appreciated.

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• IP not Pinging!

  - by Paddy

  I have an apache server running on Mac. i had windows before on the same machine and i had apache running there too. i could access my public sites by just typing in my ip in the web browser. now its not working. its working with localhost though!!! weird!! :( tried a lot of stuff! just couldnt make it work! any help would be greatly appreciated!!

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• Apache service hung and incoming requests not accepted

  - by Gnanam

  Hi, My production server is running Apache v2.2.4 with mod_mono v1.2.4 on CentOS release 5.2 (Final). Suddenly, Apache service hung during normal usage time (approx. 1 pm EDT). Traffic is not too high at this time. This is the first time we're noticing this kind of behaviour in our server. I noticed from access log that even subsequent requests are also not received, even though there were incoming requests. I then manually tried to invoke my application call from web browser, it never returned successfully but it was still loading. I found no unusual behaviour/activity in: 1) Apache access_log and error_log 2) No kernel level errors found in /var/log/messages I've no other option but ended up restarting Apache service. Any idea on what would cause Apache to hang and thereby not allowing subsequent incoming requests? How do I debug/diagnose when this happens next time? Experts advice/recommendation on this are highly appreciated.

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• Multiple External IP Ranges on a Juniper SSG5

  - by Sam

  I have a Juniper SSG 5 firewall in a datacenter. The first interface (eth0/0) has been assigned a static IP address and has three other addresses configured for VIP Nat. I have a static route configured at the lowest priority for 0.0.0.0/0 to my hosting company's gateway. Now I need to configure a second IP block. I have the IPs assigned to the second interface (eth0/1) which is in the same security zone and virtual router as the first. However, with this interface enabled I (a) can't initiate outbound sessions (browse the internet, ping, DNS lookup, etc) even though I can access servers behind the firewall just fine from the outside and (b) can't ping the management IP of the firewall/gateway. I've tried anything I can think of but I guess this is a little above my head. Could anyone point me in the right direction? Interfaces: ethernet0/0 xxx.xxx.242.4/29 Untrust Layer3 ethernet0/1 xxx.xxx.152.0/28 Untrust Layer3 Routes: http://i.stack.imgur.com/60s41.png

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• dead man's switch for remote networking interventions

  - by ascobol

  Hi, As I'm going to change the network configuration of a remote server, I was thinking of some security mechanisms to protect me from accidentally loosing control on the server. The level-0 protection I'm using is a scheduled system reboot: # at now+x minutes > reboot > ctrl+D where x is the delay before reboot. While this works relatevly well for very simple tasks like playing with iptables this method has at least two drawbacks: It's not very reactive, ie a connectivity problem should be detected automatically if for example an automatic remote ssh command fails does not work anymore for x seconds. It can obviously not work if one need to modify some configuration files and then reboot to test the changes. Are you guys using some tool for the second point ? I would love to have something able to revert the system configuration in a previously known stable state if I can't join the server X minutes after reboot. Thanks!

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• How do I disable certain folders from appearing in my IMAP client when using Gmail?

  - by Ricardo Altamirano

  I'm using the newest version of Gmail, as far as I know, and there used to be the option in Settings - Labels that said "Show in IMAP" next to label/folder names. This option is no longer there, unfortunately. How do I hide specific labels/folders, e.g. All Mail, from Thunderbird, my IMAP client? In both Firefox 17.0 and Chromium 20.0.1132.47 on Ubuntu 12.04, without an extensions, these options do not appear, so it doesn't appear to be a browser issue. In the past, I had to enable "Advanced IMAP Controls" in Settings - Labs for the "Show in IMAP" controls to appear, but according to this post, those controls "graduated" and should appear under Settings- Labels. What can I do to show or hide specific folders in IMAP?

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• Is there any SMS/MMS server for LAN environment

  - by Chau Chee Yang

  I am looking for a solution to send SMS/MMS message to mobile device from desktop or browser in LAN environment. As such, it is most probably using TCP/IP protocol to transmit request/response. The server may attach to a GSM device with SIM card attached. An server application would then start accept the request from any LAN client and convey the SMS/MMS to one or more recipients. The server may log all requests for further traffic analysis in later stage. Is there any solution that able to perform what I describe here. Please advice.

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• Accessing localhost on IIS7 from another computer on the network

  - by Adam

  I recently upgraded computers to Windows 7 Professional and am running IIS7. When I'm on my computer I can easily access localhost through my web browser but when I try from another computer on my network (replacing localhost with my computer name) it doesn't work. I also tried using "computername.domain.com" and still no luck. I can access other computers running Windows XP and IIS 5 but I'm having no luck accessing my own from another computer. I checked and my IIS7 has anonymous users enabled. Am I missing any other setting? Is this an IIS7 thing or am I missing a setting? Thanks in advance!

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• Installing SDM on a Cisco 2821 ISR

  - by Sam Sanders

  I trying to change the configuration of our router, it's a Cisco 2821 Integrated Services Router. I don't know much about Cisco products. While looking at the PDF manual for the router I notices it talked about SDM Security Device Manager. But when I point my web browser at the IP address of the router, it give me a very simple web interface. It's sort of like a string builder for CLI commands. I'm guessing SDM was not installed on it. So my question how would I go about do that? I found this link (below), but I'm a bit new to networking. So any advice would be welcome. http://www.cisco.com/en/US/docs/routers/access/cisco_router_and_security_device_manager/software/quick/guide/SDMq7.html

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• Access Amazon Linux EC2 over VNC using Guacamole

  - by Neon Flash

  I have a t1.micro Amazon Linux AMI instance running. Now, I want to access it using VNC so that I get the GUI. I came across Guacamole and the installation instructions for the server side configuration. So, I get it that we need to setup Apache Tomcat on the Linux machine and then install all the required dependencies, edit the configuration files for Tomcat. But, how do I access it from Windows? What is the client side configuration? From what I understood so far, instead of using a VNC Client like TightVNC or VNCViewer, we can use the Web Browser to access the Amazon EC2 instance. I am using Windows 7 as the client. I would like to access the Amazon Linux AMI (t1.micro instance) over VNC so that I get the GUI.

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• Internet wireless connected with limited access, windows vista

  - by r0ca

  I had some malware in my computer so I did a bit of manual work to remove it including resetting TCP/IP. Now the malware is gone. I can see my home wireless network and I can get connected to it but when connected I get the Internet wireless connected with limited access message. When I go to the IE I cannot browse. When I tried to ping 192.168.1.1 I got an Error Code 1231 Unconnected Network Problem. I have deactivated my Windows firewall as I thought it could be hyperactive security. Still no luck. I have Norton but it is not active, I have also Avast and AVG installed but they are not active. Any ideas?

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• Apache 2 Symbolic link not allowed or link target not accessible

  - by djechelon

  While the title of this question matches an already asked question, in my case I already set Options +FollowSymLinks. The setup is the following: my hosting setup includes htdocs/ directory that is the default document root for HTTP websites and htdocs-secure that is for HTTPS. They are meant for sites that need a different HTTPS version. In case both share the same files I create a link from htdocs-secure to htdocs by ln -s htdocs htdocs-secure but here comes the problem! Log still says Symbolic link not allowed or link target not accessible: /path/to/htdocs-secure Vhost fragment Header always set Strict-Transport-Security "max-age=500" DocumentRoot /path/to/htdocs-secure <Directory "/path/to/htdocs-secure"> allow from all Options +FollowSymLinks </Directory> I think it's a correct setup. The HTTP version of the site is accessible, so it doesn't look like a permission problem. How to fix this? [Add] other info: I use MPM-itk and I set AssignUserId to the owner/group of both the directories

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• Windows 7 System process reading/writing like crazy

  - by Mats Ekberg

  I have a problem that my windows 7 computer sometimes starts accessing the disk like crazy for maybe 10 minutes at a time. The process in question is the "system" process. I have disabled superfetch and hibernation on my computer, if that makes any difference. I disabled those to see if they were the cause of the problems, but no change. I have 6 GB of RAM and only the web browser was started when I took the screenshot, so I don't think it was thrashing due to page faults. Any ideas on how to find the cause of this?

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• What is the most economic hardware that will run Ubuntu? [closed]

  - by nbolton

  I'm looking to buy the cheapest hardware I can find that will run the latest version of Ubuntu desktop on some sort of usable level (e.g. use of web browser, flash, etc). I guess small form factor would be pretty convenient, so I was looking at Acer Aspire Revo for example, but I'm not sure whether or not it's overpriced. I'd rather pay less for the same thing minus brand name if it's available. Any ideas? On further investigation, it seems I'm looking for a nettop.

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• How to map DNS with my new IP address? [closed]

  - by Carsen

  I have installed apache2 in my ubuntu server. In apache2.conf, i have specified this <VirtualHost *:80> ServerName something.in DocumentRoot somewhere/public <Directory somewhere/public> AllowOverride all Options -MultiViews </Directory> </VirtualHost> Also, i have my Domain - something.in registered with Go Daddy. There i have changed A(HOST) to point to XXX.XXX.XX.XXX which is my public address. But when i type something.in in browser, i am not getting my apps home page. I got my public IP address as "XXX.XXX.XX.XXX is Natted to XX.XX.X.XX". which IP address should i use in my DNS settings? How to make apache2 in my ubuntu server listen to request for something.in?

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• How to disable passive mode in linux ftp command

  - by nute

  I am using the "ftp" command of linux to send data to a 3rd party provider. This company states that we need to "Disable passive mode in your FTP client", and I confirm it doesn't work in passive mode. However, when I googled the linux command, I see that the "-p" flag is "the default now for all clients (ftp and pftp) due to security concerns using the PORT transfer mode. The flag is kept for compatibility only and has no effect anymore." How do I disable passive mode then? And, is it that bad?

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• Using schtasks in interactive mode

  - by CFP

  Hello! I'd like to create a scheduled task from the command line, in interactive mode. The at hh:mm /interactive program command fails, stating that security policies do not allow interactive execution. I'd therefore like to use the schtasks command. But when I type something like schtasks /Create /TN MyTask /SC DAILY /ST "13:10" /TR "notepad.exe" /V1 /F I get a message asking for my password, although I haven't set a password for my session. And when I leave the field blank, the command line answers that the task won't be able to run. How can I fix this problem? And how can I make the task interactive? Using /RU SYSTEM prevents the task from being run in interactive mode. Thanks! CFP.

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• What is the S.M.A.R.T. page?

  - by Mads Skjern

  I've just listened to Steve Gibson talk about his SpinRite software, on the Security Now podcast episode 336 (transscript). At 33:20 he says: I can show and do show on the SMART page that sectors are being relocated and that errors are being corrected. That SMART analysis page sometimes scares people because it shows, wait a minute, this thing says we're correcting so many errors per megabyte. What is this SMART page? 1) Some information saved on the HD by SMART, that I can access with a SMART tool like smartmontools? 2) A page (tab) in his SpinRite software? In any case, can I see, in any way, what sectors are marked as bad, without using SpinRite? Preferably using smartmontools!

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• Wikimedia Commons not working properly from IE 8

  - by Johannes Rössel

  It happens fairly often that a page on Wikimedia Commons doesn't load in IE. This happens to me on both machines I use, each one Windows 7 with IE 8. The page just loads endlessly (or connects—can't really tell) and timeouts after a while. Repeated attempts (trying to load the same page in 5 to 10 tabs) sometimes work, but sometimes it takes a lot more tries. As far as I can tell, no other program is affected—Firefox or PowerShell have no trouble loading the page. Also, when I use Fiddler it seems to load fine on the first try as well. Anyone has an idea what might be going on? I didn't change any settings that I am aware of (and most likely didn't do so in the same way on both machines). Preemptive note: I don't need advice in the form of »Use another browser instead.«.

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• Choosing between cloud (Cloudfoundry ) and virtual servers - for developers

  - by Mike Z

  I just came across some articles on how to setup your own cloud using Cloudfoundry and Ubuntu, this got me thinking, choosing our infrastructure, if we want to use our own servers what's the advantage of cloud on virtual servers vs just using virtual servers, VPN? If we now develop for the cloud later if we need help we can quickly move on to a cloud provider, but other than that what's the advantage and disadvantage of private cloud in these areas? speed of development, testing, deployment server management security having an extra layer (cloud) will that have a hit on server performance, how big? any other advantage/disadvantage?

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• Chrome is reporting GMail has Invalid Server Certificate, how do I find out who's fiddling with my certs?

  - by chillitom

  Chrome is giving the following warning when ever I try and visit GMail or a bunch of other SSL sites. Invalid Server Certificate You attempted to reach mail.google.com, but the server presented an invalid certificate. You cannot proceed because the website operator has requested heightened security for this domain. This is the certificate the Chrome reports as invalid: -----BEGIN CERTIFICATE----- MIIDIjCCAougAwIBAgIQK59+5colpiUUIEeCdTqbuTANBgkqhkiG9w0BAQUFADBM MQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkg THRkLjEWMBQGA1UEAxMNVGhhd3RlIFNHQyBDQTAeFw0xMTEwMjYwMDAwMDBaFw0x MzA5MzAyMzU5NTlaMGkxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlh MRYwFAYDVQQHFA1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKFApHb29nbGUgSW5jMRgw FgYDVQQDFA9tYWlsLmdvb2dsZS5jb20wgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJ AoGBAK85FZho5JL+T0/xu/8NLrD+Jaq9aARnJ+psQ0ynbcvIj36B7ocmJRASVDOe qj2bj46Ss0sB4/lKKcMP/ay300yXKT9pVc9wgwSvLgRudNYPFwn+niAkJOPHaJys Eb2S5LIbCfICMrtVGy0WXzASI+JMSo3C2j/huL/3OrGGvvDFAgMBAAGjgecwgeQw DAYDVR0TAQH/BAIwADA2BgNVHR8ELzAtMCugKaAnhiVodHRwOi8vY3JsLnRoYXd0 ZS5jb20vVGhhd3RlU0dDQ0EuY3JsMCgGA1UdJQQhMB8GCCsGAQUFBwMBBggrBgEF BQcDAgYJYIZIAYb4QgQBMHIGCCsGAQUFBwEBBGYwZDAiBggrBgEFBQcwAYYWaHR0 cDovL29jc3AudGhhd3RlLmNvbTA+BggrBgEFBQcwAoYyaHR0cDovL3d3dy50aGF3 dGUuY29tL3JlcG9zaXRvcnkvVGhhd3RlX1NHQ19DQS5jcnQwDQYJKoZIhvcNAQEF BQADgYEANYARzVI+hCn7wSjhIOUCj19xZVgdYnJXPOZeJWHTy60i+NiBpOf0rnzZ wW2qkw1iB5/yZ0eZNDNPPQJ09IHWOAgh6OKh+gVBnJzJ+fPIo+4NpddQVF4vfXm3 fgp8tuIsqK7+lNfNFjBxBKqeecPStiSnJavwSI4vw6e7UN0Pz7A= -----END CERTIFICATE----- I think someone or something (proxy, anti-virus, browser extension) is snooping on my SSL traffic. How can I determine who/what is doing this?

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