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• Why does the sudo command not work in chroot?

  - by katarina

  I just installed a 32-bit chroot to run on my 64-bit system. In the chroot environment, the sudo command doesn't work, it says sudo: command not found Also, when I try the su root command, my password doesn't work (su: authentication failure). What password do they want? I'm quite new to Ubuntu, so actually I don't really know what I'm doing. I am just trying to follow instructions. I solved this particular problem simply by starting the chroot by the command: katarina@ubuntu:~$ schroot -c oneiric_i386 -u root instead of the one I used the first time: katarina@ubuntu:~$ schroot -a I still have some other problems, but I guess that's not for this question.

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• Security Seminar in Colchester Vermont Wed March 31st

  Kapersky Lab, a computer security company, will be presenting a  1/2 day seminar next week in colchester SECURING BEYOND COMPLIANCE WITH ENCRYPTION & MALWARE PROTECTION March 31 8am to 12:00pm at the Hampton Inn - Colchester VT More information and to register: http://www.npi.net/seminars/...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• How to prevent script not to stop after apt-get?

  - by Eonil

  I keep some bash snippets and copy&paste them when I needed for management. But I discovered apt-get cancels script execution. Here's my script where problematic. apt-get -y install gcc g++ make cmake perl cd ~/ mkdir t1 cd t1 I copy & paste this script on OS X Terminal to Ubuntu 12.04 LTS server (fresh install on VM) Script always stop after apt-get finished. I run this command with root account like this. ssh user1@server <password…> sudo su <password…> apt-get -y install gcc g++ make cmake perl cd ~/ mkdir t1 cd t1 Can this be a problem? Or why my script stops after apt-get finished, and how to make it to continue?

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• How do I use Instagram to post to my business page but not my personal page?

  - by DEdesigns57

  I tried asking this question on the Facebook forums but got no answer, maybe someone here might be able to help me with this. I have a Facebook account and within that same account is my Facebook page for my business. Problem is every time that I try to use Instagram to upload a photo it gets uploaded to my personal/primary Facebook page and not the business page which is under the same email address and password. Instagram ask for this email address and password but how can I just have Instagram upload it to my business page and not my personal page? Or at very least how can I do both?

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• Directory access control with Apache: do I need to use a specific .htaccess?

  - by Mirror51

  I have an Apache webserver, and in the Apache configuration, I have Alias /backups "/backups" <Directory "/backups"> AllowOverride None Options Indexes Order allow,deny Allow from all </Directory> I can access files via http://127.0.0.1/backups. The problem is everyone can access that. I have a web interface, e.g. http://localhost/adminm that is protected with htaccess and password. Now I don't want separate .htaccess and .htpasswd for /backups, and I don't want a second password prompt when a user clicks on /backups in the web interface. Is there any way to use same .htaccess and .htpasswd for the backups directory?

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• How to refuse to give an access to passwords to a customer without being unprofessional or rude?

  - by MainMa

  Let's say you're creating a website for a customer. This website has its own registration (either combined with OpenID or not). The customer asks you to be able to see the passwords the users are choosing, given that the users will probably be using the same password on every website. In general, I say: either that it is impossible to retrieve the passwords, since they are not stored in plain text, but hashed, or that I have no right to do that or that administrators must not be able to see the passwords of users, without giving any additional details. The first one is false: even if the passwords are hashed, it is still possible to catch and store them on each logon (for example doing a strange sort of audit which will remember not only which user succeeded or failed to logon, but also with which password). The second one is rude. How to refuse this request, without being either unprofessional or rude?

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• Comment se débarrasser du nouveau botnet "pratiquement indestructible" ? Les conseils de Microsoft et de Symantec

  Comment se débarrasser du nouveau botnet "pratiquement indestructible" ? Les conseils de Microsoft et de Symantec Microsoft met en garde contre Popureb, un nouveau Rootkit sophistiqué, capable d'écraser le MBR (Master Boot Record) et particulièrement difficile, voire impossible à détecter. Le centre de protection de Microsoft (Microsoft Malware Portection Center) affirme dans un billet de blog que si le système d'exploitation d'un utilisateur est infecté par le Trojan Win32/Popureb.E, il devra rétablir le MBR, et utiliser ensuite le CD de restauration pour restaurer son système à un état antérieur à l'infection.

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• Data Source Security Part 4

  - by Steve Felts

  So far, I have covered Client Identity and Oracle Proxy Session features, with WLS or database credentials.  This article will cover one more feature, Identify-based pooling.  Then, there is one more topic to cover - how these options play with transactions.Identity-based Connection Pooling An identity based pool creates a heterogeneous pool of connections.  This allows applications to use a JDBC connection with a specific DBMS credential by pooling physical connections with different DBMS credentials.  The DBMS credential is based on either the WebLogic user mapped to a database user or the database user directly, based on the “use database credentials” setting as described earlier. Using this feature enabled with “use database credentials” enabled seems to be what is proposed in the JDBC standard, basically a heterogeneous pool with users specified by getConnection(user, password). The allocation of connections is more complex if Enable Identity Based Connection Pooling attribute is enabled on the data source.  When an application requests a database connection, the WebLogic Server instance selects an existing physical connection or creates a new physical connection with requested DBMS identity. The following section provides information on how heterogeneous connections are created:1. At connection pool initialization, the physical JDBC connections based on the configured or default “initial capacity” are created with the configured default DBMS credential of the data source.2. An application tries to get a connection from a data source.3a. If “use database credentials” is not enabled, the user specified in getConnection is mapped to a DBMS credential, as described earlier.  If the credential map doesn’t have a matching user, the default DBMS credential is used from the datasource descriptor.3b. If “use database credentials” is enabled, the user and password specified in getConnection are used directly.4. The connection pool is searched for a connection with a matching DBMS credential.5. If a match is found, the connection is reserved and returned to the application.6. If no match is found, a connection is created or reused based on the maximum capacity of the pool: - If the maximum capacity has not been reached, a new connection is created with the DBMS credential, reserved, and returned to the application.- If the pool has reached maximum capacity, based on the least recently used (LRU) algorithm, a physical connection is selected from the pool and destroyed. A new connection is created with the DBMS credential, reserved, and returned to the application. It should be clear that finding a matching connection is more expensive than a homogeneous pool.  Destroying a connection and getting a new one is very expensive.  If you can use a normal homogeneous pool or one of the light-weight options (client identity or an Oracle proxy connection), those should be used instead of identity based pooling. Regardless of how physical connections are created, each physical connection in the pool has its own DBMS credential information maintained by the pool. Once a physical connection is reserved by the pool, it does not change its DBMS credential even if the current thread changes its WebLogic user credential and continues to use the same connection. To configure this feature, select Enable Identity Based Connection Pooling.  See http://docs.oracle.com/cd/E24329_01/apirefs.1211/e24401/taskhelp/jdbc/jdbc_datasources/EnableIdentityBasedConnectionPooling.html  "Enable identity-based connection pooling for a JDBC data source" in Oracle WebLogic Server Administration Console Help. You must make the following changes to use Logging Last Resource (LLR) transaction optimization with Identity-based Pooling to get around the problem that multiple users will be accessing the associated transaction table.- You must configure a custom schema for LLR using a fully qualified LLR table name. All LLR connections will then use the named schema rather than the default schema when accessing the LLR transaction table.  - Use database specific administration tools to grant permission to access the named LLR table to all users that could access this table via a global transaction. By default, the LLR table is created during boot by the user configured for the connection in the data source. In most cases, the database will only allow access to this user and not allow access to mapped users. Connections within Transactions Now that we have covered the behavior of all of these various options, it’s time to discuss the exception to all of the rules.  When you get a connection within a transaction, it is associated with the transaction context on a particular WLS instance. When getting a connection with a data source configured with non-XA LLR or 1PC (using the JTS driver) with global transactions, the first connection obtained within the transaction is returned on subsequent connection requests regardless of the values of username/password specified and independent of the associated proxy user session, if any. The connection must be shared among all users of the connection when using LLR or 1PC. For XA data sources, the first connection obtained within the global transaction is returned on subsequent connection requests within the application server, regardless of the values of username/password specified and independent of the associated proxy user session, if any.  The connection must be shared among all users of the connection within a global transaction within the application server/JVM.

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• Do I need to have antivirus software installed on a Linux distro?

  - by Vinaychalluru

  I thought that there was no need to scan for viruses in Ubuntu or any Linux distros until I found a virus scanner package named 'clamtk' and 'klamav' in Ubuntu software center yesterday. This leads to the following questions: How do viruses differ between Linux and Windows? How do the strategies for protection differ between Linux and Windows? Should a virus scanner package be installed on my system? If so, which would be a better option?

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• 12.04 x64 Server Login Failure

  - by ThoughtCoder

  After some serious GRUB issues after routine kernel updates, forcing a grub-reinstall via chroot and some single-user mode maintenance, I now cannot login to my server (except via single-user mode) When attempting to SSH to the server my connection is reset immediately after entering username - no password prompt is presented. I've plugged in my monitor and keyboard to the headless server and when trying to login I receive: login: "PAM Failure, aborting: Critical error - immediate abort" immediately after entering my username - again, no password prompt is displayed. I am able to gain access via kernel recovery mode and login as root through single-user mode with networking. I've attempted a dpkg reconfigure believing I may have had some incomplete/borked packages, but to no avail. Looking through /etc/pam.d/login doesn't seem to lead me in any obvious directions and I'm afraid I'm out of ideas. Googling doesn't help me much, one guy reinstalled (really don't want to do this) and the rest I could find were old Gentoo related bugs. Any tips?

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• 2012 EC Election Ballot open; Meet the Candidates Call tomorrow

  - by heathervc

  The JCP Executive Committee (EC) Election ballot is now open and all of the candidates' nominations materials are now available on JCP.org -- note that two new candidates were nominated late last week:  Liferay and North Sixty-One. It is shaping up to be an exciting election this year! The ratified candidates are:  Cinterion, Credit Suisse, Fujitsu and HP.The elected candidates are (9 candidates, 2 open seats):  Cisco Systems, CloudBees, Giuseppe Dell'Abate, Liferay, London Java Community, MoroccoJUG, North Sixty-One, Software AG, and Zero Turnaround. Tomorrow, 18 October, we will hold an open teleconference for the Java Community to meet the candidates and ask questions regarding their nomination.  We hope you will be able to participate in the call.  Should the time be inconvenient, a recording will be made available for download, and candidate questions may be posted on this blog entry or sent to [email protected]. Topic: Meet the EC Candidates Date: Thursday, October 18, 2012 Time: 9:30 am, Pacific Daylight Time (San Francisco, GMT-07:00) Meeting Number: 807 818 225 Meeting Password: MeetEC ------------------------------------------------------- To join the online meeting (Now from mobile devices) ------------------------------------------------------- 1. Go to https://jcp.webex.com/jcp/j.php?ED=186721592&UID=0&PW=NMmUzNjY5ZTMw&RT=MiM0 2. If requested, enter your name and email address. 3. If a password is required, enter the meeting password: MeetEC 4. Click "Join". To view in other time zones or languages, please click the link: https://jcp.webex.com/jcp/j.php?ED=186721592&UID=0&PW=NMmUzNjY5ZTMw&ORT=MiM0 ------------------------------------------------------- To join the audio conference only -------------------------------------------------------     +1 (866) 682-4770     Outside the US: global access numbers  https://www.intercallonline.com/portlets/scheduling/viewNumbers/listNumbersByCode.do?confCode=6279803 or +1 (408) 774-4073     Conference code: 9454597     Security code: JCPEC (52732)------------------------------------------------------- For assistance ------------------------------------------------------- 1. Go to https://jcp.webex.com/jcp/mc 2. On the left navigation bar, click "Support".

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• Black screen on boot. FailsafeX: "Screen not found"

  - by Lindhe94

  I made a regular update using update center yesterday on My Samsung NP730U3E with Ubuntu gnome 13.10 and today it won't start. Or rather: it just gives me a black screen. On start up I get to enter my encryption password and everything seems fine. But after the encryption password is accepted it just blanks out. When I boot into recovery mode and try to boot failsafeX it returns "Fatal server error: (EE) no screens found (EE)" After booting into recovery mode and "Resume normal boot" I get to the tty1 prompt. If I head over to "tty7", where the graphical things usually are going on I just see this (and it's frozen): What to do?

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• WiFi, No ping, other works fine

  - by Linux Mom

  I installed Ubuntu 12.04 LTS for my mom, this runs OK. However recently, I switched back and forth between encryptions on our WiFi Router from WPA-PSK to WEP and back again to WPA-PSK, same password. Now this old laptop won't even ping the gateway on the router, although the nm-applet shows connected. I tried re-adding the network and putting in the BSSID. I did this over again sometimes just to verify. I tried with my 3G Tethering on my phone, it works fine, can go online too. My other Linux laptop can go on the same wifi as well as my phone. And this laptop used to been online on the same network, same password, same encryption (WPA-PSK) What can be wrong ? Does it need a serious kick in the butt or removing some cached authorisation somewhere?

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• VirtualBox: Start Firefox in Ubuntu via a Windows script?

  - by SpaceRook

  I am using VirtualBox to run Ubuntu 12.04 as a guest in a Windows 7 host. I would like execute a command in Windows that will launch Ubuntu's Firefox. I tried VirtualBox's VBoxManage guestcontrol function. The command seems to do something, but nothing seems to happen in Ubuntu: C:\VirtualBox>VBoxManage.exe guestcontrol MyVirtualMachineUbuntu exec --image "/usr/bin/firefox" --username bob --password password --wait-stdout --verbose Waiting for guest to start process ... Waiting for process to exit ... Exit code=1 (Status=500 [successfully terminated]) The /usr/bin/firefox command works when I run it in Ubuntu. Also, with guestcontrol, I can successfully call /bin/ls. But I can't actually get a major program like Firefox to run. Any ideas? Thanks.

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• Internet Explorer : Microsoft rejoint la Phishing Initiative, un projet commun avec Paypal et le CERT-LEXSI contre l'hameçonnage

  Internet Explorer : Microsoft rejoint la Phishing Initiative Un projet commun avec Paypal, et le CERT-LEXSI contre l'hameçonnage En partenariat avec le CERT-LEXSI, Microsoft participe à la « phishing initiative » afin de fournir aux utilisateurs français d'Internet Explorer une meilleure protection contre le hameçonnage. Après l'annonce de l'introduction d'une fonctionnalité contre le traçage sur le web dans IE9 Microsoft ne s'arrête pas là malgré les études présentant

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• Popularizing SEO Through Link Building

  The most important thing for a starting SEO site is by creating an authoritative facade that will boost confidence for the site. By this one will be committing the site into an easily accessible link with secure policies for the user such as a posting requesting the user to check out the private data protection criteria once they log on to the site.

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• How to select which account is logged in at system startup, or none?

  - by hippietrail

  I'm helping out some friends with a tiny hospitality business where one desktop computer has some files used by the business in one account "hotel" but it's mostly used by guests for browsing the web in another account "guest". It's low security, we're not worried about hacking or anything. But we don't want people accidentally moving our files or anything either. But the system always boots into the "hotel" account without asking for a password, even though the account has a password. We want it to boot into the "guest" account. I know a bit about computers generally and Linux but not much about Ubuntu and the ever-changing graphical environment the Linuxes are going through these days. We've looked through the obvious settings/preferences/options and I've done some Googling. I know this should be obvious easy stuff but I can't find it. (We're running 10.04 LTS on a generic aging Intel box.)

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• nothing happen after a command mount -t (worked before)

  - by user3449429

  i'm having a weird problem. i used to lauch manually the mount command to link a folder on my PLEX server with a folder on my NAS since yesterday it was ok, but i had to halt my plex server and when i tried to mount again the folder, nothing happen. it ask me the su password and that's all. here the command i use in my fstab: //192.168.1.2/Series_TV /home/cidou/Series_TV cifs _netdev,credentials=/home/cidou/.smbcredentials 0 0 //192.168.1.2/films /home/cidou/Films cifs _netdev,credentials=/home/cidou/.smbcredentials 0 0 i tried this command too: sudo mount -t smbfs //192.168.1.2/Films /home/cidou/Films -o user=myname,password=mypass,sec=ntlm --verbose i run an ubuntu 12.04 LTS uname -a Linux plex 3.8.0-29-generic #42~precise1-Ubuntu SMP Wed Aug 14 15:31:16 UTC 2013 i686 i686 i386 GNU/Linux Welcome to Ubuntu 12.04.4 LTS (GNU/Linux 3.8.0-29-generic i686) * Documentation: https://help.ubuntu.com/ System information disabled due to load higher than 2.0 Thanks for reading

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• How hard is to be the anonymous owner of a website?

  - by silla

  I'd like to create a website with a very radical political message. It won't be unethical (encouraging violence, etc) but I feel the points I plan to list in it will definitely make me a lot of enemies. How hard would it be to protect my identity from anyone finding out who I am? I know domains always have a $10/year option for privatizing your registration information but is there any other protection I should think about having? Thanks!

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• Directory access control with Apache: do I need to use a specific .htaccess?

  - by Mirror51

  I have an Apache webserver, and in the Apache configuration, I have Alias /backups "/backups" <Directory "/backups"> AllowOverride None Options Indexes Order allow,deny Allow from all </Directory> I can access files via http://127.0.0.1/backups. The problem is everyone can access that. I have a web interface, e.g. http://localhost/adminm that is protected with htaccess and password. Now I don't want separate .htaccess and .htpasswd for /backups, and I don't want a second password prompt when a user clicks on /backups in the web interface. Is there any way to use same .htaccess and .htpasswd for the backups directory?

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• Encrypted usb stick not booting anymore how can I resolve the Disaster

  - by statquant

  Guys I am experiencing massive problem here. I created a bootable usb stick that I "full disk" encrypted with Ubuntu 13.04. I was using it when it froze. I had to reboot it manually and now I cannot boot on it anymore (It is not listed in the boot menu anymore) If I put when I run Ubuntu on my laptop ubuntu can see it and I am asked for a password But the correct password does not seem to work (I assume that this passphrase is the one I was using previously at startup) Can you please help me figure this thing out, this is massive problem to me...

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• Ubuntu 12.04 on Vm Player showing Wired Network Instead of Wireless Network

  - by Fak365

  I am new to Ubuntu, recently I installed ubuntu 12.04 in Vm Player (Virtual Machine) on my Dell laptop having windows 7 ultimate 32 bit for just to check the security of my wireless network and want to crack the WiFi (WPA-PSK) password but in ubuntu it does not show the wireless network it shows the 2 arrow sign as i have not connect the ethernet cable to my laptop and connected through WiFi on my main OS (windows 7) but it shows the wired network and internet is working but it does not show wifi connection. On windows 7 WiFi is connected and showing the WiFi connection and working correctly.But my main motive is to crack the WiFi password as it can't detect WiFi network so what to do? Please Help.!!thanks My Laptop Specification : Laptop : Dell Latitude D620 OS : Windows 7 Ultimate 32 bit Processor : Core Duo 2 T7200 @ 2Ghz Ram : 2 GB WiFi card : Intel Pro/Wireless 3945 ABG Virtual Machine : Vm Player V 5.0.1 If Need to Install Drivers Please Give Me Full Information how to install and which driver I should install. Thanks In Advance.

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• Un expert en sécurité sort Aviator, un navigateur basé sur Chromium qui vide son cache par défaut et bloque l'installation des cookies tiers

  Protection de la vie privée : Aviator le nouveau navigateur voit le jour il vide part défaut son cache de navigation et bloque l'installation des cookies tiersSelon des experts en sécurité web, deux types de menaces principales guettent les internautes. Ces menaces ont en commun d'installer sur l'ordinateur des utilisateurs des logiciels. Alors que le premier type installe des malwares, la seconde catégorie est moins dangereuse. Les logiciels qu'elle installe sont plutôt du type espion.Si pour...

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• Nomodeset Installation

  - by Camacho3112

  I were following the address from Coldfish on How to set nomodeset, but I don't know how to "save" the changes made to the line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset" I hit CTRL+O to save and get File Name to write: /etc/default/grub AND typed sudo update-grub AND hit ENTER. After that, I open another Terminal an type: sudo update-grub (ask me for password) and them I got this: joseluis@ubuntu:~$ sudo update-grub [sudo] password for joseluis: Generating grub.cfg ... cat: /boot/grub/video.lst: No such file or directory Found linux image: /boot/vmlinuz-2.6.38-12-generic Found initrd image: /boot/initrd.img-2.6.38-12-generic Found linux image: /boot/vmlinuz-2.6.38-8-generic Found initrd image: /boot/initrd.img-2.6.38-8-generic Found Windows 7 (loader) on /dev/sda1 Found Ubuntu 10.04 LTS (10.04) on /dev/sda6 done joseluis@ubuntu:~$ SO: Were I'm? Were is my direction now? Thanks for the help.

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• How To Harden PHP5 With Suhosin On CentOS 5.4

  <b>Howtoforge:</b> "This tutorial shows how to harden PHP5 with Suhosin on a CentOS 5.4 server. From the Suhosin project page: "Suhosin is an advanced protection system for PHP installations that was designed to protect servers and users from known and unknown flaws in PHP applications and the PHP core."

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