Re: [CentOS-es] Hay mensajes de correo que no entran al servidor

[Roberto Bermúdez]

Muchas gracias por ti pronta respuesta Ernesto, yo también pedí algún tipo
de mensaje de error de parte de quien me escriba pero solo me indican que
no les llega ningún mensaje de error, lo único que alguien me pudo enviar
era un mensaje que indicaba que su servidor no podia comunicarse con el mio
y simplemente borraría el mensaje de su cola de correos, pero no he podido
obtnere nada en concreto, con respecto a la resolución del MX veo que sí se
resuelve correctamente gracias a las herramientas de http://mxtoolbox.com/
y de https://asm.ca.com/en/ping.php ya que resuelven correctamente la
dirección del domino de correo, talvez alguna otra idiea?


El 29 de julio de 2016, 13:10, Ernesto Pérez Estévez<
ernesto.pe...@cedia.org.ec> escribió:

> On 07/29/2016 01:05 PM, Roberto Bermúdez wrote:
> > Buenos días listeros
> >
> > hoy me veo en la necesidad de acudir a ustedes ya que tengo un problema
> > algo raro, tengo un servidor de correo en centos, manejo sendmail y está
> > configurado también MailScanner y SpamAssassin, pero hay varias personas
> ya
> > con direcciones de correos de diferentes dominios que me indican que me
> han
> > escrito un mensaje y entra mi servidor, en el log de sendmail no se ve
> que
> > el mensaje llegue al servidor porque no se ve actividad alguna ni
> > proveniente de dicho dominio y ni que sea dirigido a una cuenta de correo
> ok, entiendo que no llega a tu servidor. Pero las personas que te envían
> en sus logs sí deben ver actividad que le indique a quién se les está
> entregando los correos...
>
> lo primero que verificaría es que efectivamente esté resolviendo bien el
> mx y el record A asociado a este mx. http://dns.squish.net
>
> pero repito: la mejor ayuda te la brinda quien te envía desde un sitio
> remoto, ahi, mirando sus logs, podrás saber por qué no sale para donde tí
> saludos
> epe
>
>
> --
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> La principal herramienta de Investigación en el Ecuador.
>
> Calle La Condamine 12-109 "Casa Rivera".
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[CentOS-es] Hay mensajes de correo que no entran al servidor

[Roberto Bermúdez]

Buenos días listeros

hoy me veo en la necesidad de acudir a ustedes ya que tengo un problema
algo raro, tengo un servidor de correo en centos, manejo sendmail y está
configurado también MailScanner y SpamAssassin, pero hay varias personas ya
con direcciones de correos de diferentes dominios que me indican que me han
escrito un mensaje y entra mi servidor, en el log de sendmail no se ve que
el mensaje llegue al servidor porque no se ve actividad alguna ni
proveniente de dicho dominio y ni que sea dirigido a una cuenta de correo
dentro de mi servidor tampoco, lo mismo pasa con diferentes buzones de mi
servidor, si un dominnio escribe a mi dominio no le va a llegar a ningún
buzon de mi dominio, espero que alguno de ustedes sepa cual es el problema
que estoy teniendo, de antemano agradezco cualquier ayuda que me puedan
brindar

Att.
Roberto Bermúdez
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Re: [CentOS] LSI SATA MegaRaid & Centos 7 build 1511

[Gordon Messmer]

On 07/28/2016 03:42 PM, Fawzy Ibrahim wrote:

So; there's no hope to install Centos 7 on this H/W?



You need to better identify the card and determine if it's one of the 
drivers that was dropped.  If so, you'd have to build a driver disk and 
maintain your own driver builds for each kernel update. It's not "no 
hope" exactly, but it would probably take a moderate amount of 
experience to keep running.


I'd be wary of hardware used as far back as CentOS 5, but I don't see 
driver changes between RHEL 6 and 7 that I'd expect to impact an LSI 
Megaraid card.  The old "megaraid" driver was dropped in RHEL 6, leaving 
just the megaraid_sas driver in 6 and 7.  If you run release 6 on that 
system (boot a live image), look at "lspci" and "lsmod" output.  The 
latter will tell you what drivers are in use, and should be useful to 
tracking down support in release 7.


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Re: [CentOS] how to build rpm

[Jonathan Billings]

On Fri, Jul 29, 2016 at 09:03:06AM +0100, James Hogarth wrote:
> Rather than googling for articles, which unless you have the experience
> already to filter the chaff from the wheat, here's a link the an article I
> wrote a little while back.
> 
> https://www.hogarthuk.com/?q=node/11
> 
> It'll take you through building a minimal package, fedora guidelines (which
> even for personal/internal stuff can help keep clean easier to maintain
> spec files), usage of mock for clean builds and repo creation.

In addition to the above's excellent instructions, I'd also like to
point out these:

http://rpm-guide.readthedocs.io/en/latest/

-- 
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Re: [CentOS] installing centos 7 32 bit i386 to laptop

[geo.inbox.ignored]

On 07/29/2016 06:18 AM, geo.inbox.ignored wrote:
<<>>

> rebooting to install correct iso.
>
> back later. again.
>
===>

well, i never.

never enjoyed installing an os as much as i did centos 7.

selection and setup was not difficult, all went well. i do like the new
design of process better than previous.

fun really started when those inline prompts started. i though i was terse.
those prompts have me beat. it took a couple of errors to see just what was
what, then breezed thru it. reminded me a little of cromemco install back
in s100 days.

did not like logging into gnome. that creature needs to stay in front lawns
keeping yards safe.

did figured out how to get kde, had to change my color scheme so i could
see what i had set up. slide show of my 'girls' is running ok. would not
liked to have lost them.

still need to go back to 'system settings > applications appearance' to do
some tweaking. panel bar has lighter color for text making it a little
difficult to read. having 16 to 20 progs open makes for a bit of squinting.


all in all, my congratulations to centos crew for putting together a real
fine product and procedure.

my most grateful appreciation to repliers who help me get this install.

especially to John R Pierce for staying with me thru all of it. most
helpful.


-- 

peace out.

CentOS GNU/Linux 6.8

tc,hago.

g
.

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Re: [CentOS] installing centos 7 32 bit i386 to laptop

[fred roller]

| this lt came with oos 7 already installed. after i tricked the oos 7
| partition a few times to reduce size, i repartitioned drive with oos
| down to sda1= 1.6 GB system, sda2= 43.0 GB oos 7, sda4= 8.4 GB recovery,
| sda3= extended sda5= 1.1 GB boot, sda6= 3.1 GB swap, sda7 thru
| sda10= 11 GB linux os, sda11= 84 GB home, sda12= 66 GB open use.

if you have a NAS available you could "dd" the the hdd to .img and free up
the space.  Personally I would pull it, resources permitting, and replace
with a another hdd, say 7200 or 10k rpm to buy some speed.  Not sure if
your system will support a ssd but might be worth a look.  Then again,
depending on use, there is the consideration of diminishing return of value
for so old a system when a  newer system can be obtained for 

Re: [CentOS] centos7: ntpd not started on boot

[Volker]

On 29.07.2016 12:36, Eero Volotinen wrote:
> Is crony running? It's default ntpd nowadays
> 
> Eero
> 

Ah, that's how it's done. Chronyd is running well.

Thanks for the help
.Volker

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Re: [CentOS] installing centos 7 32 bit i386 to laptop

[geo.inbox.ignored]

On 07/29/2016 02:52 AM, Peter wrote:
> On 29/07/16 18:10, John R Pierce wrote:
>> also, try and scrounge another DDR2 SODIMM for that thing, according to
>> my google search, it supports up to 2 x 4GB == 8GB, and you said you
>> only have the stock 2GB.
>
> They are dirt cheap on ebay, from Hong Kong with free shipping.  I would
> go all the way and max it out.
>
===>

when buying memory or hdd, i check both ebay and amazon for price,
warranty and shipping.

last purchases i made were all from amazon.

1 TB sata hdd, 2 ddr 1x2 GB memory and a power supply for an emachine.

1 TB sata hdd, 2 ddr 1x2 GB memory for tower box.

turned out emachine had more than a power supply, so 2nd hdd and power
supply went into tower box.

tower box is oem mainboard for ide drives, bought an ide2sata adapter for
it. now it has 2 1 TB sata drives, 1 250 GB ide and 1 ide cd/dvd r/w drive,
1 usb cd/dvd r/w usb drive, 1 hd 3.5 floppy, 1 dc2120 tape drive on floppy
controller, 1 dc2120 / travan on scsi controller.

no front cover so all drive will fit and have access.

i tricked it with a 3 position momentary-center-momentary switch for
reset | off | on.

i took a much needed nap while pulling 7 x86_64 iso. it was not until i
started to run checksum to verify that i saw i pulled the 'everything'
iso file. now have the 4.0 GB dvd iso file.

rebooting to install correct iso.

back later. again.


-- 

peace out.

CentOS GNU/Linux 6.8

tc,hago.

g
.

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Re: [CentOS] centos7: ntpd not started on boot

[Eero Volotinen]

Is crony running? It's default ntpd nowadays

Eero

29.7.2016 11.34 ap. "Volker"  kirjoitti:

> Hi,
>
> I have got problems with the ntp daemon.
>
> It is enabled in systemd but is not started on boot.
>
> # systemctl status ntpd
> ● ntpd.service - Network Time Service
>Loaded: loaded (/usr/lib/systemd/system/ntpd.service; enabled; vendor
> preset: disabled)
>Active: inactive (dead)
>
> Starting manually works
> # systemctl start ntpd
> # systemctl status ntpd
> ● ntpd.service - Network Time Service
>Loaded: loaded (/usr/lib/systemd/system/ntpd.service; enabled; vendor
> preset: disabled)
>Active: active (running) since Fri 2016-07-29 10:29:45 CEST; 3s ago
>   Process: 2291 ExecStart=/usr/sbin/ntpd -u ntp:ntp $OPTIONS
> (code=exited, status=0/SUCCESS)
>  Main PID: 2296 (ntpd)
>CGroup: /system.slice/ntpd.service
>└─2296 /usr/sbin/ntpd -u ntp:ntp -g
>
> Jul 29 10:29:45 simpil1 ntpd[2296]: Listen normally on 2 lo 127.0.0.1
> UDP 123
> Jul 29 10:29:45 simpil1 ntpd[2296]: Listen normally on 3 eno1
> 10.17.66.11 UDP 123
> Jul 29 10:29:45 simpil1 ntpd[2296]: Listen normally on 4 lo ::1 UDP 123
> Jul 29 10:29:45 simpil1 ntpd[2296]: Listen normally on 5 eno1
> fe80::223:24ff:fea7:a264 UDP 123
> Jul 29 10:29:45 simpil1 ntpd[2296]: Listening on routing socket on fd
> #22 for interface updates
> Jul 29 10:29:45 simpil1 ntpd[2296]: 0.0.0.0 c016 06 restart
> Jul 29 10:29:45 simpil1 ntpd[2296]: 0.0.0.0 c012 02 freq_set kernel
> 8.993 PPM
> Jul 29 10:29:46 simpil1 ntpd[2296]: 0.0.0.0 c61c 0c clock_step -0.180109 s
> Jul 29 10:29:46 simpil1 ntpd[2296]: 0.0.0.0 c614 04 freq_mode
> Jul 29 10:29:47 simpil1 ntpd[2296]: 0.0.0.0 c618 08 no_sys_peer
>
> I see nothing ntpd related /var/log/messages or journactl during the
> boot phase. Seems like no attempt is made to start it at all.
>
> Is there something that need to be done besides enabling it with systemctl?
>
> Regards
> .Volker
>
>
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Re: [CentOS] how to build rpm

[Antonio Trande]

On 07/29/2016 06:12 AM, qw wrote:
> Hi,
> 
> For software development, projects are built through makefile. After 
> building, I can run binary program. rpm is more convenient. Is there some 
> tool that can build rpm?
> 
> Thanks!
> 
> Regards
> 
> Andrew
> ___

Detailed guidelines to create a RPM:
https://fedoraproject.org/wiki/How_to_create_an_RPM_package

-- 
---
Antonio Trande
mailto: sagitter 'at' fedoraproject 'dot' org
http://fedoraos.wordpress.com/
https://fedoraproject.org/wiki/User:Sagitter
GPG Key: 0x6CE6D08A
Check on https://keys.fedoraproject.org/



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[CentOS] centos7: ntpd not started on boot

[Volker]

Hi,

I have got problems with the ntp daemon.

It is enabled in systemd but is not started on boot.

# systemctl status ntpd
● ntpd.service - Network Time Service
   Loaded: loaded (/usr/lib/systemd/system/ntpd.service; enabled; vendor
preset: disabled)
   Active: inactive (dead)

Starting manually works
# systemctl start ntpd
# systemctl status ntpd
● ntpd.service - Network Time Service
   Loaded: loaded (/usr/lib/systemd/system/ntpd.service; enabled; vendor
preset: disabled)
   Active: active (running) since Fri 2016-07-29 10:29:45 CEST; 3s ago
  Process: 2291 ExecStart=/usr/sbin/ntpd -u ntp:ntp $OPTIONS
(code=exited, status=0/SUCCESS)
 Main PID: 2296 (ntpd)
   CGroup: /system.slice/ntpd.service
   └─2296 /usr/sbin/ntpd -u ntp:ntp -g

Jul 29 10:29:45 simpil1 ntpd[2296]: Listen normally on 2 lo 127.0.0.1
UDP 123
Jul 29 10:29:45 simpil1 ntpd[2296]: Listen normally on 3 eno1
10.17.66.11 UDP 123
Jul 29 10:29:45 simpil1 ntpd[2296]: Listen normally on 4 lo ::1 UDP 123
Jul 29 10:29:45 simpil1 ntpd[2296]: Listen normally on 5 eno1
fe80::223:24ff:fea7:a264 UDP 123
Jul 29 10:29:45 simpil1 ntpd[2296]: Listening on routing socket on fd
#22 for interface updates
Jul 29 10:29:45 simpil1 ntpd[2296]: 0.0.0.0 c016 06 restart
Jul 29 10:29:45 simpil1 ntpd[2296]: 0.0.0.0 c012 02 freq_set kernel
8.993 PPM
Jul 29 10:29:46 simpil1 ntpd[2296]: 0.0.0.0 c61c 0c clock_step -0.180109 s
Jul 29 10:29:46 simpil1 ntpd[2296]: 0.0.0.0 c614 04 freq_mode
Jul 29 10:29:47 simpil1 ntpd[2296]: 0.0.0.0 c618 08 no_sys_peer

I see nothing ntpd related /var/log/messages or journactl during the
boot phase. Seems like no attempt is made to start it at all.

Is there something that need to be done besides enabling it with systemctl?

Regards
.Volker


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Re: [CentOS] how to build rpm

[James Hogarth]

On 29 July 2016 at 05:12, qw  wrote:

> Hi,
>
> For software development, projects are built through makefile. After
> building, I can run binary program. rpm is more convenient. Is there some
> tool that can build rpm?
>
> Thanks!
>
>
>
Rather than googling for articles, which unless you have the experience
already to filter the chaff from the wheat, here's a link the an article I
wrote a little while back.

https://www.hogarthuk.com/?q=node/11

It'll take you through building a minimal package, fedora guidelines (which
even for personal/internal stuff can help keep clean easier to maintain
spec files), usage of mock for clean builds and repo creation.
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Re: [CentOS] installing centos 7 32 bit i386 to laptop

[Peter]

On 29/07/16 18:10, John R Pierce wrote:
> also, try and scrounge another DDR2 SODIMM for that thing, according to
> my google search, it supports up to 2 x 4GB == 8GB, and you said you
> only have the stock 2GB.

They are dirt cheap on ebay, from Hong Kong with free shipping.  I would
go all the way and max it out.

I would also recommend that you go for a light weight DM such as XFCE
which you can install from EPEL, this will help a fair bit on that older
hardware with the performance as opposed to gnome 3.


Peter
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Re: [CentOS] installing centos 7 32 bit i386 to laptop

[geo.inbox.ignored]

On 07/29/2016 01:10 AM, John R Pierce wrote:
> On 7/28/2016 11:04 PM, Peter wrote:
>> On 29/07/16 17:13, geo.inbox.ignored wrote:
>> the Semperon SI-42 is, I believe, a 64 bit capable CPU,

 you are very correct.
>> In that case stop wasting your time with CentOS 7 i386 and install the
>> native x86_64 version of CentOS 7.  This will give you access to all the
>> 3rd party repos you'll want as well, such as epel and nux.
>
> also, try and scrounge another DDR2 SODIMM for that thing, according to 
> my google search, it supports up to 2 x 4GB == 8GB, and you said you 
> only have the stock 2GB.   4GB will be way better performance with a 
> GUI, 8GB would be even better.   you still have a really slow CPU and if 
> its still got the original 5400RPM HD, a really slow HD, but don't make 
> it triple-suffer from not enough ram.  (a SSD replacing the SATA HD 
> would make it actually pleasant to use)
>
===>

i am considering memory upgrade.

if some funds that i am hoping for come in next month, i am considering
a new multi core tower and a new laptop.

if good fortune hits, this lt will become an emergency access terminal
to new desktop. old desktop will be converted to a zoneminder server
for ip cams.

i do have other more pressing obligations that must be taken care of
first. what is left will go for my toys.

7-x86_64 has finished downloading. that means i am out of here for a
new install. back later to let you know how it went.

again, greatly appreciate your advice and help. i thank you.


-- 

peace out.

CentOS GNU/Linux 6.8

tc,hago.

g
.

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Re: [CentOS] installing centos 7 32 bit i386 to laptop

[geo.inbox.ignored]

On 07/29/2016 01:04 AM, Peter wrote:
> On 29/07/16 17:13, geo.inbox.ignored wrote:
>>> the Semperon SI-42 is, I believe, a 64 bit capable CPU,
>>
>> you are very correct.
>
> In that case stop wasting your time with CentOS 7 i386 and install the
> native x86_64 version of CentOS 7.  This will give you access to all the
> 3rd party repos you'll want as well, such as epel and nux.
>
===>

you saying you can not read? 8=D

go back to my reply to John, take note of the next to last line. 8=b

just poking a little fun at you. ;=)


-- 

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tc,hago.

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.

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Re: [CentOS] installing centos 7 32 bit i386 to laptop

[John R Pierce]

On 7/28/2016 11:04 PM, Peter wrote:

On 29/07/16 17:13, geo.inbox.ignored wrote:

>>the Semperon SI-42 is, I believe, a 64 bit capable CPU,

>
>you are very correct.

In that case stop wasting your time with CentOS 7 i386 and install the
native x86_64 version of CentOS 7.  This will give you access to all the
3rd party repos you'll want as well, such as epel and nux.


also, try and scrounge another DDR2 SODIMM for that thing, according to 
my google search, it supports up to 2 x 4GB == 8GB, and you said you 
only have the stock 2GB.   4GB will be way better performance with a 
GUI, 8GB would be even better.   you still have a really slow CPU and if 
its still got the original 5400RPM HD, a really slow HD, but don't make 
it triple-suffer from not enough ram.  (a SSD replacing the SATA HD 
would make it actually pleasant to use)



--
john r pierce, recycling bits in santa cruz

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Re: [CentOS] how to build rpm

[Peter]

On 29/07/16 16:12, qw wrote:
> For software development, projects are built through makefile. After
> building, I can run binary program. rpm is more convenient. Is there
> some tool that can build rpm?

You need to learn how to write a spec file, as another person suggested,
grabbign one from a similar rpm to use as a template makes this much easier.

Other than that I highly recommend mock, which you can get from the EPEL
repository.  Google for "fedora mock" for more info about mock.


Peter
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Re: [CentOS] installing centos 7 32 bit i386 to laptop

[Peter]

On 29/07/16 17:13, geo.inbox.ignored wrote:
>> the Semperon SI-42 is, I believe, a 64 bit capable CPU,
> 
> you are very correct.

In that case stop wasting your time with CentOS 7 i386 and install the
native x86_64 version of CentOS 7.  This will give you access to all the
3rd party repos you'll want as well, such as epel and nux.


Peter
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