[CentOS] sofware caused connection abort

[Gergely Buday]

Hi there,

some of my users use putty to connect to my server via ssh protocol.
After some time they get the above error message, and it could be that
my CentOS-side configuration caused this. Do anybody has experience
with this problem?

- Gergely
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Re: [CentOS] sofware caused connection abort

[Gergely Buday]

On 29/03/2008, Morten Nilsen <[EMAIL PROTECTED]> wrote:
>  > some of my users use putty to connect to my server via ssh protocol.
>  > After some time they get the above error message, and it could be that
>  > my CentOS-side configuration caused this. Do anybody has experience
>  > with this problem?
>
> I have seen similar problems if ICMP is blocked..
>  On my LAN, putty sessions live forever.

They connect via the internet, could it make a difference? And, how
can I check if ICMP is blocked?

Now I have made a test from Unix machines using ssh (the program), I
did not experience the same problem so it might be with putty and/or
with company firewall/user's ISP.

- Gergely
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[CentOS] mac address in prompt

[Gergely Buday]

Hi there,

for some reasons bash writes out my host's mac address as a result of
including \h in PS1. Do you know why? This was not always so.

[EMAIL PROTECTED] ~]$ echo $PS1
[EMAIL PROTECTED] \W]\$

- Gergely
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Re: [CentOS] mac address in prompt

[Gergely Buday]

>> for some reasons bash writes out my host's mac address as a result of
>> including \h in PS1. Do you know why? This was not always so.
>>
>> [EMAIL PROTECTED] ~]$ echo $PS1
>> [EMAIL PROTECTED] \W]\$
>
> What does "hostname -f" come back with?

[EMAIL PROTECTED] ~]$ hostname -f
hostname: Unknown host

After this I set hostname with the similarly-named command and now it
works, thanks for the tip.

- Gergely
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[CentOS] exam

[Gergely Buday]

Dear CentOS users,

is it possible to prepare for a certified (big North American Linux
vendor) engineer exam with a CentOS install ?

I have heard that the test contains questions on specific GUIs, are
they included in the CentOS distribution?

- Gergely
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[CentOS] backup question

[Gergely Buday]

Dear CentOs users,

I have a centos server with nothing important at the moment, but I
would like to install some web-based project management tool (trac for
the curious) that would contain important data. And, as my network is
growing the configuration of the server is becoming complex. I would
like to have a proper backup so that I can restore the whole system
easily, should any problem occur. What do you recommend?

I'm not an expert on this, so my first idea is that I could do a per
application backup and create a tar file of the /etc. The latter
especially could be too naive. And, a push-the-button method that
handles all in once, not depending on the app number would be much
better.

Another thing: how I could do this to be safe across a centos upgrade?

- Gergely
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[CentOS] command line configuration of DSL access

[Gergely Buday]

Hi there,

how can I configure a DSL access using the command line? The Red Hat
Certified Engineer Linux Study Guide does not describe this and I
could not find any description on the internet.

- Gergely
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Re: [CentOS] command line configuration of DSL access

[Gergely Buday]

Michel van Deventer wrote:

>> how can I configure a DSL access using the command line? The Red Hat
>> Certified Engineer Linux Study Guide does not describe this and I
>> could not find any description on the internet.
> Maybe you can provide us with some more information, as like which
> provider are you using in which country, what kind of hardware are you
> using to connect to DSL (router/pci card?), which version of CentOS are
> you using and maybe other info that might be of use ?

The case is that I used the GUI for my fedora box and now would like
to set the same to my centos server that would be the firewall. I use
eth0 to connect to my service provider's network. When I set up on
fedora I choose DSL and gave login name and password and worked out of
the box. I use CentOs 5.1 on my server.

I would like to use an editor better than the GUI to configure this.
My provider is Digi Tv in Hungary.

I wonder why do you need all this, isn't there a good description of
the config scripts somewhere?

- Gergely
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[CentOS] ps/2 mouse stopped working

[Gergely Buday]

Hi there,

I was using a ps/2 mouse.

I had to connect a ps/2 keyboard. As I have only one ps/2 socket I
connected an usb mouse.

I then removed the other keyboard and reconnected the ps/2 mouse and
removed the usb mouse.

Now the ps/2 mouse does not work, even after reboot. What should I do?

- Gergely
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Re: [CentOS] ps/2 mouse stopped working

[Gergely Buday]

> > Now the ps/2 mouse does not work, even after reboot. What should I do?
>
> If the computer was turned on when you did this swapping around, there is a 
> slight chance that you shorted the connection and killed the socket.

I reconnected the other keyboard and I write this e-mail from it so
this did not happen. Thanks for the advice though.

- Gergely
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[CentOS] build system for cutting edge software

[Gergely Buday]

Hi,

I use centos as it is stable and provides all the software that is
needed for everyday use.

However, sometimes I would like to use fresh software that is not
available as a package. Compiling from source is indeed an option but
because centos uses oldish sources not only the sought package should
be built but a lot of other packages.

An idea is to build it in a directory, as much independent as it is
possible from the installed libraries on the centos installation. Is
there an automated build system for such an endeavour?

- Gergely
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Re: [CentOS] build system for cutting edge software

[Gergely Buday]

On 19 May 2014 04:50, Matthew Miller  wrote:
> On Sun, May 18, 2014 at 01:30:24PM -0400, Robert Moskowitz wrote:
>> > An idea is to build it in a directory, as much independent as it is
>> > possible from the installed libraries on the centos installation. Is
>> > there an automated build system for such an endeavour?
>> Run Fedora as a VM?
>
> Or, run Docker with a Fedora container.

> You might be interested in Software Collections. See
> . This is basically a system for
> packaging RPMs that instal in /opt instead of into the distribution proper.

Thanks, software collections seem to be the thing I imagined. No
wonder that somebody has already done it.

- Gergely
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[CentOS] Opera is slow on CentOS

[Gergely Buday]

Hi there,

I am running various browsers on my CentOS 6.5. Firefox is running
smoothly, especially with blocking flash animations. I recently
installed Opera and I use Seamonkey for long, both suffers from being
very slow. Does CentOS have any role in this? For your information I
send cpuinfo, some people on #centos said that this could be the
problem -- but then why Firefox flies?

- Gergely

$ cat /proc/cpuinfo
processor: 0
vendor_id: AuthenticAMD
cpu family: 15
model: 95
model name: AMD Athlon(tm) 64 Processor 3000+
stepping: 2
cpu MHz: 1808.292
cache size: 512 KB
fpu: yes
fpu_exception: yes
cpuid level: 1
wp: yes
flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext
fxsr_opt rdtscp lm 3dnowext 3dnow up rep_good extd_apicid pni cx16
lahf_lm svm extapic cr8_legacy
bogomips: 3616.58
TLB size: 1024 4K pages
clflush size: 64
cache_alignment: 64
address sizes: 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc
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[CentOS] installing Desktop faster

[Gergely Buday]

Hi there,

I installed centos 7 -- it works great.

What made me think is that installation took 1300 packages for a Desktop
with some add-ons.

As usual, there might be a solution for this already but I do not know it.
Would it be possible to create one big package for a standard Desktop? Then
an installation would not take ages.

- Gergely
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Re: [CentOS] installing Desktop faster

[Gergely Buday]

oh Harald, you did not change at all since I saw you last time


On 6 September 2014 18:52, Reindl Harald  wrote:

>
>
> Am 06.09.2014 um 18:46 schrieb Gergely Buday:
> > I installed centos 7 -- it works great.
> >
> > What made me think is that installation took 1300 packages for a Desktop
> > with some add-ons.
> >
> > As usual, there might be a solution for this already but I do not know
> it.
> > Would it be possible to create one big package for a standard Desktop?
> Then
> > an installation would not take ages.
>
> that don't make any sense:
>
> * packages and libraries are shared
> * you don't want updates for that "one big package" every time
>   a small library is updated because you have a single BLOB
> * that is not possible at all - well, because it makes no sense
>
>
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[CentOS] flash plugin for centos 7

[Gergely Buday]

Hi,

firefox does not play h.264 videos on centos 7 so I need a flash
plugin. But I see packages only for centos 6.x. What can I do?

- Gergely
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[CentOS] xelatex does not work on centos 7

[Gergely Buday]

Hi there,

I tried to compile some trivial LaTeX file with the shipped XeLaTeX:

$ xelatex trivial.tex
This is XeTeX, Version 3.1415926-2.5-0..3 (TeX Live 2013)
 restricted \write18 enabled.

kpathsea: Running mktexfmt xelatex.fmt
/usr/bin/mktexfmt: line 395:
/usr/share/texlive/texmf/texconfig/tcfmgr: No such file or directory
fmtutil: config file `fmtutil.cnf' not found.
I can't find the format file `xelatex.fmt'!
$ rpm -q texlive-xetex
texlive-xetex-svn26330.0.9997.5-32.el7.noarch
$ cat trivial.tex
\documentclass{article}

\title{Hello World!}

\begin{document}
\maketitle
\end{document}

This seems to be broken. How can I fix it?

- Gergely
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[CentOS] Monospace font in GNOME Classic and in Cinnamon -- CentOS 7

[Gergely Buday]

Hi there,

I liked the terminal font in GNOME Classic but I want to switch to Cinnamon.

fc-match said in GNOME that the Monospace font is Dejavu Sans Mono
Book. I set that in Cinnamon but that appears quite different.

How can I use the same terminal font in Cinnamon? How can I figure
this out digging through font configuration files?

- Gergely
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