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Hi mnnn,

no there is no other way to protect the file.
But yum is running as root so no one else need to read the file.

protect it with


chmod 640 /etc/yum.conf
chown root:root...

Hey mnnn,

van you explain the problem with the DVD?

As I know there is no security measure for that.

Maybe protect the yum.conf for read by all others.

Regards,
xabbu

Can you try to disable fastestmirror?

Same error?

Yes, right

Did you add the same username and password to the yum.conf file?

No, because it is http auth basic.

Regards
xabbu

Am I'm right you need to install ‘cntlm‘ for authentification against NTML proxies.

Cntlm: Fast NTLM Authentication Proxy in C (http://cntlm.sourceforge.net/)

Is you proxy requires NTLM authentification?

And show me the output of


yum -d 10 update


please.

Hmm,

can you show me the output of


cat /etc/redhat-release


please?

please add a '/' at the end of the proxy line.

Hi,

ping is not using the proxy.
Can you try to use


curl http://www.heise.de


if you closed the shell, so please run the export again.
To check

env | grep -i proxy


Regards,...

Hmm,

please try in the shell:


export http_proxy=http://username:password@proxyserver:port

yum update


Regards,
xabbu

Hi,

look at /etc/yum.conf

here you can set a proxy with username and password for yum.

regards,
xabbu

Hi,

ssh normally will not forward X!

Try


ssh -X oracle@localhost


Regards,

xabbu

Hi,

yes, I'm using Docher with artifactory and another one with bind. Booth in production.

I like it and you can update easily, start and stop fast.

Regards,
xabby

Hi,

try
dig some_url

and
dig some_url @8.8.8.8

What will you get?
Show me the /etc/resolv.conf please.
It looks that there is something wrong in it, maybe some hidden codes...

Next...

Hi Budrys,

I'm sorry but I was on vacation. Can I help you?

Regards,
xabbu

You are welcome

Regards

xabbu

Only if you plan to use Virtual users but I think if you use ViMbAdmin it will be easier for you to follow the howto.

ViMbAdmin is used for the virtual users.
Roundcube is the webmailer.

Regards,
xabbu

Budrys,
postfix is the MTA (Mail Transport Agent) it will only deliver mails to an Imap/Pop3 Server.
I recommended dovecot.
There are several howtos to use dovecot with postfix.
And roundcube...

Now

create all users locally.
you can use the postfix configuration above without masqerade_domains!.

Then you can send mails to the users.

adduser user1
....

mail -s "test" user1
...

No, for ONLY local sending and receiving not.

OK,
than you must publish the ip of your mailserver into the DNS.
Ask your networkadministrator to add the ip and FQDN to the DNS.
And the university mailserver must allow relaying from your ip.
...