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I know of only one singular cause which can result in that recurrent pattern. Your install media is broken. Either the file you donwnloaded was corrupt or it became corrupted when you wrote the file to USB or CD/DVD. I advise you to download a fresh copy of 14.04 and write it fresh to another cd or flash as not to risk flakey media, and then try again.


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When you use the SSH client it get the private keys from the SSH Agent. This kind of information, your computer public key, or the public keys of server where you've connected are stored in: ~/youruser/.ssh/ # Same as /home/youruser/.ssh/ When you launch the SSH client, it uses the private key from the SSH Agent, without asking for the private key ...


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is someone trying to send emails using my server? Yes. But it's unsuccessful (fortunately). NOQUEUE: reject: means the mail gets rejected and not queued. Your server responded with the error 454 4.7.1 : Relay access denied to the client. My guess is that it was just a bot scanning for open relays. If your server is not an Internet-facing machine for ...


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To add support for sudoreplay, we need to edit the /etc/sudoers file. For this, execute the following command: $ sudo visudo This would open the sudoers file for us. Then insert the following lines at the end of the file and save it: Defaults log_output Defaults!/usr/bin/sudoreplay !log_output Defaults!/sbin/reboot !log_output It will automatically ...



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