Ubuntu :: 10.04 - Public Key Not Available For Updates
Jul 22, 2010
I'm completely new to Ubuntu, I've just installed 10.04 and this is only the second week I've had it, and I'm not sure what is going on with this. Whenever I try to check for updates I get this message: The repository may no longer be available or could not be contacted because of network problems. If available an older version of the failed index will be used. Otherwise the repository will be ignored. Check your network connection and ensure the repository address in the preferences is correct.
Quote:
GPG error: [URL] feisty Release:
The following signatures couldn't be verified because the public key is not available:
NO_PUBKEY 2D6CFB44DD800CD9
Failed to fetch cdrom://Ubuntu 10.04 LTS _Lucid Lynx_ -
Release i386 (20100429)/dists/lucid/main/binary-i386/Packages.gz
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Failed to fetch cdrom://Ubuntu 10.04 LTS _Lucid Lynx_ -
Release i386 (20100429)/dists/lucid/restricted/binary-i386/Packages.gz
Please use apt-cdrom to make this CD-ROM recognized by APT.
Apt-get update cannot be used to add new CD-ROMs Some index files failed to download, they have been ignored, or old ones used instead.
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May 15, 2010
Is there a direct link to Lucid updates?How can I download the linux-headers* updates from a public computer? This terminal runs only ms s/w.
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Jul 17, 2011
how safe is it to run Ubuntu updates when I'm connecting via a public network (wireless or wired) from a hotel (or other public settings). I'm not familiar with the internals but is there an additional validation mechanism for the package servers other than the URL ?
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Aug 2, 2011
I'm trying to write a p2p file sharing program using python's built-in libraries. Everything is going well. The only thing is that i'd like to be able to use openssl public and private keys so only a host with the public key could access/decrypt the filesharing. I've gotten these libraries (httplib, basehttpserver, ssl, os) to work using just a pem file containing both the public and private keys but no success with them seperately. Can someone point me in the right direction or offer an alternative? PS, the goal of the project is to create an anonymous, decentralized, secure file sharing program. I want to be able to upload this to sourceforge so everyone can use it, if that's any incentive
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Sep 24, 2010
I run the following file with the >log.log redirector and it does not capture errors.
#!/bin/bash
echo ************************BEGIN LOG******************************
date +"%m/%d/%Y %H:%M:%S $HOSTNAME"
cp -f /scripts/original/clamscans.log /scripts
[code]....
The following errors show up when I run from the file from the term window, but are not written to log.log:
tar: /public/public/clamscans/*.txt: Cannot stat: No such file or directory
tar: Error exit delayed from previous errors
mv: cannot stat `/public/public/clamscans/*.txt': No such file or directory
I know with windows you can add the 2>&1 to capture error data. Is there such a thing for Linux?
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Mar 3, 2010
How can I forward all traffic from a public IP to another public IP. Let's say I have a first debian box named box1 with eth0 = 1.1.1.1 and eth0:1 = 1.1.1.2 and I want to forward all traffic from 1.1.1.2 to "box2" located somewhere else over the internet and having for eth0 2.2.2.2 Both 1.1.1.0/24 and 3.3.3.0/24 are public IP ranges.
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Apr 20, 2011
ls -al ../public-back
drwxrwxr-x 4 apache apache 4096 Apr 19 03:32 templates
ls -al ../public-back/templates
drwxrwxr-x 2 apache apache 4096 Apr 19 03:33 content
[code]....
How do I move the contents of /public-back/templates recursively with permissions into /public/templates ?
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Mar 24, 2011
For some reason Update Manager is not installing updates as of yesterday.I have it set to check daily and notify if updates are available. It has been working without issues for well over a year now.
Update Manager tells me updates are available and presents the list of security, recommended, and other updates. All are selected to update, but when I select Install Updates in Update Manager it returns with a Reading Package Information window overlaid on the main Update Manager window - building dependency tree then reading state information and dumps me back to the main Update Manager window without performing any update actions.
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Dec 20, 2010
I just learned that warsow 0.6 is out, and went to see if it was available in the ubuntu software center yet, as opposed to going and downloading and installing it manually from the warsow website. The ubuntu repo's still have version 0.5, and at the bottom of the page it says:
"Updates: Canonical does not provide updates for Warsow. Some updates may be provided by the Ubuntu community."
So if I wanted to 'update' this item in the repo's for the better of the community what would that entail?
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Jan 29, 2011
There are some updates in the Update Manager list which I do not install. Among them, some drivers for HP Printers (I don't know why this cropped up; I don't even use printers on my laptop), and gcj updates (I use gcc/g++ but not gcj). I unchecked them the first time I saw them on my UM list. However, for every subsequent batch of new updates, UM retains these updates and I need to uncheck them every time. How can I remove them totally from my UM list?
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Feb 9, 2010
updates manager constantly crash i tried gnome in safe mode and it doesn't work so i need some way to update the os untill hopefully one update would fix the update.
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Mar 25, 2011
So, it is my understanding that Ubuntu's automatic updates do not install ANY updates that are not "important security updates." For example, it did not upgrade me to Firefox 4 automatically; I had to do it myself (Don't all new browser versions usually contain new security features/patches? Oh well...That is a separate question entirely).
ANYWAY, is there some way to get the latest stable versions of all of my open-source software automatically (or at least all at once, on command), instead of just security updates? It seems silly to have to install new versions for every program manually.
Also, related/side question: Now that I have installed Firefox 4 myself (via apt-get by adding the mozilla-stable PPA), will I stop getting security updates for Firefox through the standard Ubuntu update manager?
Actually, a really thorough explanation of the whole automatic update system (or a link to one) would be great too.
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Jul 19, 2011
How do i download and install updates? It says package not found.
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Feb 7, 2009
The little red popup window (packagekit) from the lower right showed yum updates
I did a yum update and no updates!
I tried again this morning and no updates
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May 13, 2010
I'm running CentOS 5.4 and noticed that for the past month there haven't been any new updates showing up either on 'yum check-update' or 'yum update' (I'm interested in basic and security updates). Although this may be right, I wonder if there is an online reference where I can check the updates that are released for CentOS (security bulletins) and make sure if there is anything wrong with my update system.
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Mar 12, 2010
I'm trying to add the PGP public key for the new repository. Here are the two lines I want to add for my e-mail but don't know where to add on the new repository.[URL]... I went to to the Synaptic Manager but could not find or where to place it. Would I create a new repository?
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May 4, 2010
The public key isn't available when I try to use the Update Manager; clicking the "Check" button results in a popup with the following text:
Code:
W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6E871C4A881574DE
I tried adding the public key via:
Code:
sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 6E871C4A881574DED
Is that the right code to enter? Because when I did that it didn't fix the problem.
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May 5, 2010
When I do 'sudo apt-get update' I get this error now:
Code:
Hit http://ppa.launchpad.net lucid/main Packages
Hit http://ppa.launchpad.net lucid/main Packages
Fetched 116kB in 1s (70.5kB/s)
Reading package lists... Done
W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 1A0771178279047A
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Nov 27, 2010
If been getting this error: W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: [URL]... maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY DB141E2302FDF932. W: Failed to fetch [URL]... is this a temporary situation?
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Jun 13, 2011
Is it something to worry about or can I just ignore it?
W: GPG error: [URL] maverick Release: The following signatures could not be verified because the public key is not available: NO_PUBKEY 504B59436C3321F2
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Mar 7, 2010
I am trying to figure out the best way to set up 1-1 NAT for three public ips to three private ips through a ubuntu gateway machine.
I am running ubuntu server 9.10 and the set up is:
Internet/ISP modem -> NIC 1 Ubuntu Gateway Machine NIC 2 -> Three PCs with Private IPs
I had a few questions on how to do this correctly and securely.
1) What packages do I need to install (aside from the basic ubuntu server installation and possibly DHCP3-Server)
2) How do I assign all three public IPs to the NIC connected to the ISP modem? All addresses will be static, will I need the DHCP3-Server package?
3) Once I have the three public IPs assigned how do I map each specific public IP to the private IP address associated with it and provide the correct loopback? I want to make sure each response from the internal machines are sent out as their specific public IP.
4) Aside from allowing all connections, how should IP tables be configured to allow web services to one internal machine, mail to another internal machine and DNS to the other internal machine?
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Sep 17, 2010
Currently I am having troubles getting my ssh key to work correctly. I have had a desktop crash which has been reformatted to use ubuntu. The key residing in id_rsa.pub has been copied over to the ssh server into the authorized keys of the given user. however When we try to login we get a "permission denied (public key, keyboard-interactive)" error. below is the debug option:
jv@ops-desktop:~/.ssh$ ssh -v jv@x.x.x.x
OpenSSH_5.3p1 Debian-3ubuntu4, OpenSSL 0.9.8k 25 Mar 2009
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
[Code]....
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Oct 29, 2010
The public and templates folders are just sitting there doing nothing. What are they used for?
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Nov 9, 2010
I am trying to debug a problem where I can't connect to a remote SSH server. I do not have admin rights on the box, however I have a valid account and can login fine with a password, I just wanted to use my public key instead.
I copied over my ~/.ssh/id_rsa.pub to the remote server to ~/.ssh/authorized_keys. I tried to connect to the server but it is not allowing me to authenticate when I ask it to use public keys instead of passwords.
Code:
ryan@TehLaptop:~$ ssh -v -o PreferredAuthentications=publickey ryan@unix.xxxxxxx.xxx
OpenSSH_5.5p1 Debian-4ubuntu4, OpenSSL 0.9.8o 01 Jun 2010
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to unix.xxxxx.xxx [xxx.xxx.xxx.xxx] port 22.
[Code].....
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Nov 18, 2010
I set up an SSH server on my home machine and finally figured out that I needed to disable password authentication to get RSA authentication enabled. Now I'm having problems with that too.ssh -v -i id_rsa ashtray@x.x.x.83
Code:
OpenSSH_5.1p1 Debian-5, OpenSSL 0.9.8o 01 Jun 2010
debug1: Reading configuration data /etc/ssh/ssh_config
[code]....
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Jun 6, 2011
I've got a p12 certificate (I own the secret key), and I would like to export the public key to gpg keyservers. How to achieve this?It works flawlessly inside gpgsm and kleopatra, but I cannot send keys:
Code:
$ gpgsm --send-keys 0xDA4E5DD0
gpgsm: this command has not yet been implemented
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Jun 18, 2011
I'm on Natty Narwhal and wanted to play with ssh but I can't seem to get ssh to work without having to specify a password. I've installed openssh-server. I've generated a public/private key pair:
ssh-keygen
I can see my id_rsa and id_rsa.pub and known_hosts.
am logged in as user pgroarke and simply trying to run ssh on the same box.
Regardless of whether I specify either localhost or hostname I still get asked for a password:
ssh -i ~/.ssh/id_rsa.pub pgroarke@spock date
pgroarke@spock's password:
Here is the relevant contents of my /var/log/auth:
Jun 18 16:21:37 spock sshd[30357]: last message repeated 2 times
[Code]....
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Feb 6, 2010
I'm trying to connect to my Xubuntu box (zelda) remotely using my RSA key. I'm using Cygwin on my Windows box (link) to SSH in to the Xubuntu box. I've created the key and placed it in the authorized_keys file on my remote box. Here's where it gets weird. When I ssh into zelda the first time, it prompts me for my password. However, if I'm already connected to zelda and try to open another connection, it prompts me for my RSA passphrase. This is very confusing, and I have no idea what's going on.Here's my sshd_config file on zelda.
Code:
# Package generated configuration file
# See the sshd(8) manpage for details
[code]...
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Apr 14, 2010
Is there a way to listen to listen to NPR on linux, and not through a browser? I could not get it working. What URL should I add as a radio station in Rhythbox, or a different player.
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Apr 29, 2010
I set up SSH on a server running Ubuntu using rsa key authentication. I want to allow a friend of mine to log into the server with restricted access, so I created a user account named "guest" with its own home directory and ensured that it has no root access. I created a new pair of keys and added the public key to my authorized_keys, but when I was testing SSH I noticed that not only could I not log in as guest, I could use the key to log in as my own account and gain root access via sudo. How can I restrict specific private keys to only be able to log in as certain users?
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