[CentOS-es] Problema servidor de correo en centos 5.5 i386 con maildrop
Hola muy buenas, he seguido este tutorial
http://www.howtoforge.com/virtual-users-domains-postfix-courier-mysql-squirrelmail-centos-5.3-x86_64
, con algunas dificultades ya que la version de centos que tengo es la
5.5 i386, pero está todo implementado. Todos los servicios funcionan
bien de correo pero lo único que no logro hacer es crear los buzones de
los usuarios. Es decir, yo cuando envio un correo por ejemplo a
sa...@example.com, en el maillog del postfix me pone como removed, como
que se ha entregado bien pero lo entrega demasiado de rapido, y lo
entrega via maildrop. El problema creo que está en el maildrop, el
maildrop de centos no te genera algunos archivos como /etc/maildroprc o
/etc/maildirmake, o dentro del usuario vmail no está el fichero
.mailfilters ... No sé si correrán por ahí los tiros pero el maildrop se
ejecuta desde su path /usr/bin/maildrop.
En el fichero /etc/postfix/master.cf he tenido que cambiar una linea
donde le daba permisos de ejecucion a vmail para crearlo en su
directorio los buzones pero aún así no funciona...
maildrop unix -n n- n - - pipe
#flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
flags=DRhu user=vmail argv=/usr/bin/maildrop -d vmail ${recipient}
El telnet localhost 25 y telnet localhost 110 y 143 van de maravilla.
El problema es maildrop, porque yo he implementado lo mismo en un debian
o ubuntu y si lo hace entonces no sé si me podrían ayudar, ya que me he
dedicado mucho tiempo en ubuntu, debian y demás y ahora quiero centrarme
en centos, red hat y fedora para implementar las mismas cosas, mas que
nada por aprender.
Los permisos de /usr/bin/maildrop los tengo así:
-rwxr-xr-x 1 root mail 1231356 dic 20 13:09 maildrop
Y me he dado cuenta que en otros servidores está así, con permisos de
ejecucion de proceso:
-rwxr-sr-x 1 root mail 1231356 dic 20 13:09 maildrop
Un saludo y espero me puedan ayudar ya que no sé porque no crea los
buzones...He intentado activar algun log para maildrop pero no he
encontrado nada por los directorios.
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Re: [CentOS] Ext4 on CentOS 5.5 64bit
On Tuesday, December 21, 2010 09:57:52 pm Kevin C wrote: Yes, Well works for you may be more correct then. Hard to call it stable especially in the context of an enterprise dist when it's officially a technology preview. /Peter We use it for 4 months on our backup server, we no issue at the moment. We have a lot of files, ext4 increase the backup speed. The backup time is now 3hours, and was 5 hours with ext3. Le 21/12/2010 21:22, Matt a écrit : Is ext4 stable on CentOS 5.5 64bit? I have an email server with a great deal of disk i/o and was wandering if ext4 would be better then ext3 for it? signature.asc Description: This is a digitally signed message part. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] do i need a dedicated ip address for https?
2010/12/22 S Mathias smathias1...@yahoo.com: http://help.godaddy.com/article/1054 # Set up SSL protection on your website. is it an inescapable requirement to have a dedicated [not fix] ip address, when i want to use ssl on my domain? delicated port (443) is needed per ssl host. you can also use wildcard certificates to host multiple ssl domains on same port. -- Eero ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] do i need a dedicated ip address for https?
In article 133721.39495...@web121405.mail.ne1.yahoo.com, S Mathias smathias1...@yahoo.com wrote: http://help.godaddy.com/article/1054 # Set up SSL protection on your website. is it an inescapable requirement to have a dedicated [not fix] ip address, when i want to use ssl on my domain? Not exactly. An SSL certificate is not tied to an IP address, but to a hostname. If you only have a single SSL site on the server, it doesn't matter what the IP address is, or even whether it is a dynamic address registered with a dunamic DNS provider. It will still work. The thing you CAN'T do is to have name-based virtual hosting with multiple domains on a single IP address, with more than one of them using SSL. Name-based virtual hosting relies on the HTTP Host: header to identify which virtual host is being accessed. But under SSL, the headers are not sent until the encrypted SSL channel has been set up. So the only way the server can know which certificate to use is by the IP address on which the request is recieved. So multiple SSL sites on a single box MUST each have their own IP address. Hope this helps! thank you happy Christmas! :) Happy Christmas to you too! Tony -- Tony Mountifield Work: t...@softins.co.uk - http://www.softins.co.uk Play: t...@mountifield.org - http://tony.mountifield.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] preparing to migrating to new system
2010/12/22 Rajagopal Swaminathan raju.rajs...@gmail.com: Greetings, On Tue, Dec 21, 2010 at 10:07 PM, Jerry Geis ge...@pagestation.com wrote: hi all, hmm.. scp oldbox:/etc/passwd brand new CentOS 6 Box geewiz:/etc/passwd ditto /etc/gshadow,/etc/groups, /etc/gshadow It's possibly better way only to cppaste normal usernames, not internal daemons and so on. -- Eero ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] preparing to migrating to new system
Greetings, On Wed, Dec 22, 2010 at 10:14 AM, Eero Volotinen eero.voloti...@iki.fi wrote: 2010/12/22 Rajagopal Swaminathan raju.rajs...@gmail.com: scp oldbox:/etc/passwd brand new CentOS 6 Box geewiz:/etc/passwd ditto /etc/gshadow,/etc/groups, /etc/gshadow It's possibly better way only to cppaste normal usernames, not internal daemons and so on. I did not quite understand the phrase internal daemons and so on. Could you elucidate further please... I alluded to the names of four files which matter in the context. Regards, Rajagopal ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] do i need a dedicated ip address for https?
On 22.12.2010 11:05, Tony Mountifield wrote: In article 133721.39495.qm-j4irtxk+zdtuqs8rmknbopow+3bf1jufvpnb7ypn...@public.gmane.org, S Mathias smathias1...@yahoo.com wrote: http://help.godaddy.com/article/1054 # Set up SSL protection on your website. is it an inescapable requirement to have a dedicated [not fix] ip address, when i want to use ssl on my domain? Not exactly. An SSL certificate is not tied to an IP address, but to a hostname. If you only have a single SSL site on the server, it doesn't matter what the IP address is, or even whether it is a dynamic address registered with a dunamic DNS provider. It will still work. The thing you CAN'T do is to have name-based virtual hosting with multiple domains on a single IP address, with more than one of them using SSL. Name-based virtual hosting relies on the HTTP Host: header to identify which virtual host is being accessed. But under SSL, the headers are not sent until the encrypted SSL channel has been set up. So the only way the server can know which certificate to use is by the IP address on which the request is recieved. So multiple SSL sites on a single box MUST each have their own IP address. Very good explanation ! I just want to add that there is such a thing named Server Name Indication. With that the Virtual Host Name is sent at SSL Handshake time, so it is possible to use name based Virtual Hosts (No need for additional IP adresses). It needs Server and Client support, though. Apache in CentOS 5 does not support it as far as I know. http://en.wikipedia.org/wiki/Server_Name_Indication -- happy Christmas! Markus Falb signature.asc Description: OpenPGP digital signature ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] compiling a module
I am interested in fscache module. I know where to get the userland tools (http://people.redhat.com/dhowells/fscache/) but I am not sure where to obtain its module. Moreover, I am not sure once I get the source code how I can compile it for Centos 5.2. Has anyone compiled, fscache before? TIA ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] do i need a dedicated ip address for https?
On Tue, 2010-12-21 at 22:53 -0800, S Mathias wrote: http://help.godaddy.com/article/1054 # Set up SSL protection on your website. is it an inescapable requirement to have a dedicated [not fix] ip address, when i want to use ssl on my domain? Yes. Reverse DNS has to be working. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] do i need a dedicated ip address for https?
On Wed, Dec 22, 2010 at 1:53 AM, S Mathias smathias1...@yahoo.com wrote: http://help.godaddy.com/article/1054 # Set up SSL protection on your website. is it an inescapable requirement to have a dedicated [not fix] ip address, when i want to use ssl on my domain? thank you happy Christmas! :) It's the easiest way to do it. If you allow someone else to hold your SSL keys, they can do interesting things to act as your front end to register your hostname associated with a registered key, but that gets tricky. And there are other fancy tricks, but they get weird and painful. But let's be honest. Most SSL encryption is not done to authenticate a website as a signed, registered websites. Most of us at penny-wise workplaces have to hit Yes, I accept this unsigned key pop-ups all the time. SSL is often useful merely to encrypt the traffic end-to-end while clients accept such unsigned or incorrectly registered keys without concern. For that kind of use, dodging and weaving unregistered IP addresses are common place. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] The case of the missing mail
I became suspicious that I should have received a certain message, and reading pm.log I discovered that it had indeed arrived and had been allocated to /var/mail/anne, despite procmailrc telling it that MAILDIR=/home/anne/Maildir/ Any idea what might have caused this? It seems to have been working like this only in the last 24 hours or so. Anne -- KDE Community Working Group New to KDE Software? - get help from http://userbase.kde.org signature.asc Description: This is a digitally signed message part. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] preparing to migrating to new system
On 12/22/10 4:26 AM, Rajagopal Swaminathan wrote: Greetings, On Wed, Dec 22, 2010 at 10:14 AM, Eero Volotineneero.voloti...@iki.fi wrote: 2010/12/22 Rajagopal Swaminathanraju.rajs...@gmail.com: scpoldbox:/etc/passwdbrand new CentOS 6 Box geewiz:/etc/passwd ditto /etc/gshadow,/etc/groups, /etc/gshadow It's possibly better way only to cppaste normal usernames, not internal daemons and so on. I did not quite understand the phrase internal daemons and so on. Could you elucidate further please... I alluded to the names of four files which matter in the context. On CentOS 5, uids up to 500 are reserved for the system and will belong to various installed packages. 501 and up should be the users you installed locally. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] do i need a dedicated ip address for https?
http://help.godaddy.com/article/1054 # Set up SSL protection on your website. is it an inescapable requirement to have a dedicated [not fix] ip address, when i want to use ssl on my domain? Yes. Reverse DNS has to be working. Why is that? I have several ssl sites, and many of them don't have the proper ip - name resolution setup correctly... ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] The case of the missing mail
On Wednesday 22 December 2010 13:33:10 Anne Wilson wrote: I became suspicious that I should have received a certain message, and reading pm.log I discovered that it had indeed arrived and had been allocated to /var/mail/anne, despite procmailrc telling it that MAILDIR=/home/anne/Maildir/ Any idea what might have caused this? It seems to have been working like this only in the last 24 hours or so. Also, since /var/mail/anne is mbox and /home/anne/Maildir/ is maildir, I need to find a way of getting the messages into the correct directory. I could clip them into separate files, but I assume that the cryptic names of files are used for indexing. Anne -- KDE Community Working Group New to KDE Software? - get help from http://userbase.kde.org signature.asc Description: This is a digitally signed message part. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] compiling a module
Mag Gam wrote: I am interested in fscache module. I know where to get the userland tools (http://people.redhat.com/dhowells/fscache/) but I am not sure where to obtain its module. Moreover, I am not sure once I get the source code how I can compile it for Centos 5.2. Has anyone compiled, fscache before? Have a look at the thread: http://lists.centos.org/pipermail/centos/2009-December/086699.html Theoretically, on a CentOS 5.2 system (that hasn't been updated), FS-Cache should work out-of-the-box - however, the FS-Cache version with the 5.2 kernels is old and buggy and shouldn't be used in a production environment. I believe FS-Cache is supported with RHEL 6.0 - so may be you should wait until CentOS 6 is out? James Pearson ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Ext4 on CentOS 5.5 64bit
Anyone know ORACLE support ext4 file system or not? --- 10/12/21 (二)，Kevin C li...@tuxalafenetre.net 寫道： 寄件者: Kevin C li...@tuxalafenetre.net 主旨: Re: [CentOS] Ext4 on CentOS 5.5 64bit 收件者: CentOS mailing list centos@centos.org 日期: 2010年12月21日,二,下午3:57 Yes, We use it for 4 months on our backup server, we no issue at the moment. We have a lot of files, ext4 increase the backup speed. The backup time is now 3hours, and was 5 hours with ext3. Le 21/12/2010 21:22, Matt a 嶰rit : Is ext4 stable on CentOS 5.5 64bit? I have an email server with a great deal of disk i/o and was wandering if ext4 would be better then ext3 for it? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] preparing to migrating to new system
Rajagopal Swaminathan wrote: Greetings, On Tue, Dec 21, 2010 at 10:07 PM, Jerry Geis ge...@pagestation.com wrote: hi all, hmm.. scp oldbox:/etc/passwd brand new CentOS 6 Box geewiz:/etc/passwd ditto /etc/gshadow,/etc/groups, /etc/gshadow YMMV Regards Rajagopal ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos Hi, Be aware that if you are doing this between different releases 4.x to 5.x for instance you stand a good chance of breaking your system as the systems account set up by the installer may well differ between the two releases. It is safer to extract the users that you have added to the system from the password and shadow files and to append the resulting files to the new system's password and shadow files. ChrisG ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] WordPress possilbe SQL injections [was: SELinux - way of the future or good idea but !!!]
On Tue, 2010-12-21 at 13:44 +0100, Leonard den Ottolander wrote: The patch shown in http://core.trac.wordpress.org/changeset/16625 prompted me to try a $ grep -r \=\ \%s\ * in the web root of a WordPress installation. The matches are a bunch of possible SQL injections. Haven't checked the actual code paths, This turned out to a wild goose chase: For all matches the substituted strings are being quoted via wpdb-prepare(). Regard, Leonard. -- mount -t life -o ro /dev/dna /genetic/research ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] do i need a dedicated ip address for https?
On December 22, 2010 02:05:26 am Tony Mountifield wrote: The thing you CAN'T do is to have name-based virtual hosting with multiple domains on a single IP address, with more than one of them using SSL. Name-based virtual hosting relies on the HTTP Host: header to identify which virtual host is being accessed. But under SSL, the headers are not sent until the encrypted SSL channel has been set up. So the only way the server can know which certificate to use is by the IP address on which the request is recieved. So multiple SSL sites on a single box MUST each have their own IP address. Nowadays certificates can contain Subject Alternate Names and work for multiple domains. You can also get a wildcard addresses for *.yourdomain.com. Both mechanisms work fine for modern web browsers; maybe not so much for other SSL- oriented tools, though. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Changing Root E-Mail address
Hi All, I installed a new CentOS 5.5 box and I am getting a daily e-mail (I am not sure how this was triggered) with XNTPD logs, HTTP Error and Disk Space). It is being sent to r...@www.6colors.co which bounces, but I have a catch all so it does get to me. How do I change where this e-mail is sent? I have tried in /etc/postfix/main.cd, master.cf, bounce.cf.default, etc and I don't see where this is set. Can anyone help out? Best, -Jason ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
On Wed, 2010-12-22 at 08:12 -0800, Jason T. Slack-Moehrle wrote: I installed a new CentOS 5.5 box and I am getting a daily e-mail (I am not sure how this was triggered) with XNTPD logs, HTTP Error and Disk Space). It is being sent to r...@www.6colors.co which bounces, but I have a catch all so it does get to me. How do I change where this e-mail is sent? I have tried in /etc/postfix/main.cd, master.cf, bounce.cf.default, etc and I don't see where this is set. Its LOGWATCH what is doing it. It will be scheduled in / ETC / CRONTAB Regards, Paul. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
I installed a new CentOS 5.5 box and I am getting a daily e-mail (I am not sure how this was triggered) with XNTPD logs, HTTP Error and Disk Space). Its LOGWATCH what is doing it. It will be scheduled in / ETC / CRONTAB Thanks Paul, I found it! -Jason ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
On 12/22/2010 10:12 AM, Jason T. Slack-Moehrle wrote: Hi All, I installed a new CentOS 5.5 box and I am getting a daily e-mail (I am not sure how this was triggered) with XNTPD logs, HTTP Error and Disk Space). It is being sent to r...@www.6colors.co which bounces, but I have a catch all so it does get to me. How do I change where this e-mail is sent? I have tried in /etc/postfix/main.cd, master.cf, bounce.cf.default, etc and I don't see where this is set. Can anyone help out? If you are running the default sendmail, put an alias for root in /etc/aliases and restart sendmail or run 'newaliases'. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] do i need a dedicated ip address for https?
The question was: On Tue, 2010-12-21 at 22:53 -0800, S Mathias wrote: http://help.godaddy.com/article/1054 # Set up SSL protection on your website. is it an inescapable requirement to have a dedicated [not fix] ip address, when i want to use ssl on my domain? and one reply asseted: On Wed, 22 Dec 2010, Adam Tauno Williams wrote: Yes. Reverse DNS has to be working. ehh? so what? It is perfectly possible to update PTR records dynamically, just as with CNAMEs or A records A CSR countersign by a CA is from information totally ignorant of the actual IP's in play [see the req_distinguished_name stanza of such requests as to the information needed, below] -- indeed, such IPs need not even be allocated, nor the host live, before a key file is generated, a CSR submitted to a CA and countersigned, and a PEM returned by the CA to the requestor Managing DNS, and placement of a PEM, key and chain into the hosts providing a SSL accessible website (mailserver, etc) are totally disjunct from the specific IP's a host is at for a given time [ req_distinguished_name ] countryName = Country Name (2 letter code) countryName_default = US countryName_min = 2 countryName_max = 2 stateOrProvinceName = State or Province Name (full name) stateOrProvinceName_default = Ohio localityName= Locality Name (eg, city) localityName_default= Columbus 0.organizationName = Organization Name (eg, company) 0.organizationName_default = 781 Resolution, LLC organizationalUnitName = Organizational Unit Name (eg, section) commonName = Common Name (eg, your name or your server\'s hostname) commonName_max = 64 emailAddress= Email Address emailAddress_max= 63 emailAddress_default= doma...@781resolution.com The 'commonName' field here is usually the FQDN, and may be an A record or a CNAME; validations are optionally done by a remote host querying the PTR record values to make sure there is a name match in the array returned [a PTR is usually unique and one to an IP, but I am not specifically aware of a formal RFC requirement of only one PTR record per IP, having looked again for such writing some code on DNS content validation for an interface that builds zone files in the last few months] -- Russ herrold ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
Hi you have to add the record to /etc/aliases: root: y...@adress.tld and then run: newaliases Pavel Dne 22.12.2010 17:17, Always Learning napsal(a): On Wed, 2010-12-22 at 08:12 -0800, Jason T. Slack-Moehrle wrote: I installed a new CentOS 5.5 box and I am getting a daily e-mail (I am not sure how this was triggered) with XNTPD logs, HTTP Error and Disk Space). It is being sent to r...@www.6colors.co which bounces, but I have a catch all so it does get to me. How do I change where this e-mail is sent? I have tried in /etc/postfix/main.cd, master.cf, bounce.cf.default, etc and I don't see where this is set. Its LOGWATCH what is doing it. It will be scheduled in / ETC / CRONTAB Regards, Paul. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
On Wed, 2010-12-22 at 10:25 -0600, Les Mikesell wrote:
If you are running the default sendmail, put an alias for root in
/etc/aliases and restart sendmail or run 'newaliases'.
Or you can edit
/etc/share/logwatch/scripts/logwatch.pl
and change line 64
$Config{'mailto'} = root;
Happy Christmas everyone,
Paul.
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Re: [CentOS] The case of the missing mail
On Wed, 22 Dec 2010, Anne Wilson wrote: On Wednesday 22 December 2010 13:33:10 Anne Wilson wrote: I became suspicious that I should have received a certain message, and reading pm.log I discovered that it had indeed arrived and had been allocated to /var/mail/anne, despite procmailrc telling it that MAILDIR=/home/anne/Maildir/ Any idea what might have caused this? It seems to have been working like this only in the last 24 hours or so. Also, since /var/mail/anne is mbox and /home/anne/Maildir/ is maildir, I need to find a way of getting the messages into the correct directory. I could clip them into separate files, but I assume that the cryptic names of files are used for indexing. There are a few things that are likely to cause the symptoms you describe: 1. Lax permissions on ~/.procmailrc: make sure that file isn't accessible by group or world (0600 works for me). 2. Lax permissions on your $HOME. Procmail gets picky when things are group-writeable. 3. SELinux issues. Run ausearch -m avc | grep procmail to see if anything needs to be relabeled. /var/log/maillog will usually supply part of the answer as well. -- Paul Heinlein heinl...@madboa.com http://www.madboa.com/ ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] The case of the missing mail
On Wednesday 22 December 2010 16:51:02 Paul Heinlein wrote: On Wed, 22 Dec 2010, Anne Wilson wrote: On Wednesday 22 December 2010 13:33:10 Anne Wilson wrote: I became suspicious that I should have received a certain message, and reading pm.log I discovered that it had indeed arrived and had been allocated to /var/mail/anne, despite procmailrc telling it that MAILDIR=/home/anne/Maildir/ Any idea what might have caused this? It seems to have been working like this only in the last 24 hours or so. Also, since /var/mail/anne is mbox and /home/anne/Maildir/ is maildir, I need to find a way of getting the messages into the correct directory. I could clip them into separate files, but I assume that the cryptic names of files are used for indexing. There are a few things that are likely to cause the symptoms you describe: 1. Lax permissions on ~/.procmailrc: make sure that file isn't accessible by group or world (0600 works for me). It was 0700 - I've changed it to 0600. 2. Lax permissions on your $HOME. Procmail gets picky when things are group-writeable. The directory itself is not group- or world-writable. There are one or two files inside that are group-writable, but most aren't. I could change those, I suppose, but they are nothing related to the mail system. 3. SELinux issues. Run ausearch -m avc | grep procmail to see if anything needs to be relabeled. I'm not running SELinux /var/log/maillog will usually supply part of the answer as well. There's nothing obvious, at first scan. Everything seems to be Delivered to command /usr.bin/procmail which of course is correct. The only messages affected are thos which should be in my Inbox, having failed to match any recipe. Anne -- KDE Community Working Group New to KDE Software? - get help from http://userbase.kde.org signature.asc Description: This is a digitally signed message part. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] The case of the missing mail
On 12/22/2010 11:19 AM, Anne Wilson wrote: /var/log/maillog will usually supply part of the answer as well. There's nothing obvious, at first scan. Everything seems to be Delivered to command /usr.bin/procmail which of course is correct. The only messages affected are thos which should be in my Inbox, having failed to match any recipe. If you have VERBOSE on in your .procmailrc it should log what it does with each message. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] The case of the missing mail
On Wed, 22 Dec 2010, Les Mikesell wrote: On 12/22/2010 11:19 AM, Anne Wilson wrote: /var/log/maillog will usually supply part of the answer as well. There's nothing obvious, at first scan. Everything seems to be Delivered to command /usr.bin/procmail which of course is correct. The only messages affected are thos which should be in my Inbox, having failed to match any recipe. If you have VERBOSE on in your .procmailrc it should log what it does with each message. I usually don't rely on user .procmailrc files to specify INBOX locations. Instead, I set the DEFAULT variable in /etc/procmailrc, e.g., # /etc/procmailrc DEFAULT=$HOME/Maildir/ -- Paul Heinlein heinl...@madboa.com http://www.madboa.com/ ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] The case of the missing mail
On Wednesday 22 December 2010 17:39:56 Paul Heinlein wrote: On Wed, 22 Dec 2010, Les Mikesell wrote: On 12/22/2010 11:19 AM, Anne Wilson wrote: /var/log/maillog will usually supply part of the answer as well. There's nothing obvious, at first scan. Everything seems to be Delivered to command /usr.bin/procmail which of course is correct. The only messages affected are thos which should be in my Inbox, having failed to match any recipe. If you have VERBOSE on in your .procmailrc it should log what it does with each message. I usually don't rely on user .procmailrc files to specify INBOX locations. Instead, I set the DEFAULT variable in /etc/procmailrc, e.g., # /etc/procmailrc DEFAULT=$HOME/Maildir/ Interesting. I don't have an /etc/procmailrc. Are there other things you'd recommend to place there? Anne -- KDE Community Working Group New to KDE Software? - get help from http://userbase.kde.org signature.asc Description: This is a digitally signed message part. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] The case of the missing mail
On Wed, 22 Dec 2010, Anne Wilson wrote: # /etc/procmailrc DEFAULT=$HOME/Maildir/ Interesting. I don't have an /etc/procmailrc. Are there other things you'd recommend to place there? That's all I put in there. It may be worthwhile to take a peek at the Environment variable defaults section of the procmailrc(5) man page. Note that /etc/procmailrc is often executed as root, not $USER, so I tend to avoid putting anything but variable definitions in it. -- Paul Heinlein heinl...@madboa.com http://www.madboa.com/ ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Moving from Fedora -- Advice??
On 12/21/2010 10:49 AM, m.r...@5-cent.us wrote: Gordon Messmer wrote: On 12/17/2010 12:32 PM, m.r...@5-cent.us wrote: Not with PIV-II cards Why? Do they use a non-standard SSH agent? pkcs11. opensc. NOT COOLKEY. I'm not really sure what that has to do with anything. You said that you're having trouble getting ssh-agent to close on logout. I replied that you're probably trying too hard. Fedora's desktops automatically have an ssh-agent available when you log in via gdm. In the past, it was OpenSSH's ssh-agent. In more recent versions, gnome has its own authentication agent, which is used. So I'll repeat myself: if you are seeing ssh-agent continue after you log out, you're probably trying too hard. Setting the agent up and tearing it down on logout are done for you right out of the box, and have been for years. Log in to a new user account on a fresh install sometime. Open a terminal and type set | grep SSH_AUTH_SOCK. See that environment variable? The agent is running. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] The case of the missing mail
On Wednesday 22 December 2010 18:35:29 Paul Heinlein wrote: On Wed, 22 Dec 2010, Anne Wilson wrote: # /etc/procmailrc DEFAULT=$HOME/Maildir/ Interesting. I don't have an /etc/procmailrc. Are there other things you'd recommend to place there? That's all I put in there. It may be worthwhile to take a peek at the Environment variable defaults section of the procmailrc(5) man page. OK, I'll do that, thanks Note that /etc/procmailrc is often executed as root, not $USER, so I tend to avoid putting anything but variable definitions in it. I'll leave it for tomorrow, with a fresher mind, hopefully. Anne -- KDE Community Working Group New to KDE Software? - get help from http://userbase.kde.org signature.asc Description: This is a digitally signed message part. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
On Wed, 2010-12-22 at 10:25 -0600, Les Mikesell wrote:
If you are running the default sendmail, put an alias for root in
/etc/aliases and restart sendmail or run 'newaliases'.
Or you can edit
/etc/share/logwatch/scripts/logwatch.pl
and change line 64
$Config{'mailto'} = root;
Exactly what I did earlier.
-Jason
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Re: [CentOS] Changing Root E-Mail address
If you are running the default sendmail, put an alias for root in
/etc/aliases and restart sendmail or run 'newaliases'.
Or you can edit
/etc/share/logwatch/scripts/logwatch.pl
and change line 64
$Config{'mailto'} = root;
Exactly what I did earlier.
I would strongly recommend using /etc/aliases and NOT editing
logwatch.pl as any updates to logwatch will collide with your edit,
leaving you with .rpmnew files to merge.
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Re: [CentOS] Changing Root E-Mail address
On 12/22/2010 12:58 PM, John R Pierce wrote:
If you are running the default sendmail, put an alias for root in
/etc/aliases and restart sendmail or run 'newaliases'.
Or you can edit
/etc/share/logwatch/scripts/logwatch.pl
and change line 64
$Config{'mailto'} = root;
Exactly what I did earlier.
I would strongly recommend using /etc/aliases and NOT editing
logwatch.pl as any updates to logwatch will collide with your edit,
leaving you with .rpmnew files to merge.
And, there may be other interesting/critical mail coming to root.
--
Les Mikesell
lesmikes...@gmail.com
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Re: [CentOS] The case of the missing mail
Anne Wilson wrote: On Wednesday 22 December 2010 16:51:02 Paul Heinlein wrote: On Wed, 22 Dec 2010, Anne Wilson wrote: On Wednesday 22 December 2010 13:33:10 Anne Wilson wrote: I became suspicious that I should have received a certain message, and reading pm.log I discovered that it had indeed arrived and had been allocated to /var/mail/anne, despite procmailrc telling it that MAILDIR=/home/anne/Maildir/ Any idea what might have caused this? It seems to have been working like this only in the last 24 hours or so. snip There's nothing obvious, at first scan. Everything seems to be Delivered to command /usr.bin/procmail which of course is correct. The only messages affected are thos which should be in my Inbox, having failed to match any recipe. Dumb question: um, is the ., rather than /, a typo, in /usr.bin/procmail? mark ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Moving from Fedora -- Advice??
Gordon Messmer wrote: On 12/21/2010 10:49 AM, m.r...@5-cent.us wrote: Gordon Messmer wrote: On 12/17/2010 12:32 PM, m.r...@5-cent.us wrote: Not with PIV-II cards Why? Do they use a non-standard SSH agent? pkcs11. opensc. NOT COOLKEY. I'm not really sure what that has to do with anything. You said that you're having trouble getting ssh-agent to close on logout. I replied that you're probably trying too hard. Fedora's desktops automatically have an ssh-agent available when you log in via gdm. In the past, it was OpenSSH's ssh-agent. In more recent versions, gnome has its own authentication agent, which is used. Right, which AFAIK, doesn't work with the new US federal PIV-II cards. Certainly, I can't add the card when it's inserted in the reader with just that. So I'll repeat myself: if you are seeing ssh-agent continue after you log out, you're probably trying too hard. Setting the agent up and tearing it down on logout are done for you right out of the box, and have been for years. Log in to a new user account on a fresh install sometime. Open a terminal and type set | grep SSH_AUTH_SOCK. See that environment variable? The agent is running. I'll check his box again, when I get a chance. But as I said, it wasn't willing to accept the card with ssh-add -s pkcs11, or ssh-add -s opensc-pkcs11.so mark ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
On Wed, 22 Dec 2010, Les Mikesell wrote: *snipped* And, there may be other interesting/critical mail coming to root. Good point. I always have root's email sent to my own user account. That's one of the things my ALI scripts sets up for me. echo echo Processing /etc/aliases config file echo # Backup the newly installed aliases configuration file. cp -vpR $ETC_DIR/aliases $ETC_DIR/aliases$ORG_SUFX echo # Use sed to edit the new aliases file and change # who should get root's email. echo Setting up who gets root's email sed -i s/#root:.*marc/'root:keith'/ $2/aliases echo cat $ETC_DIR/aliases echo Kind Regards, Keith Roberts -- In theory, theory and practice are the same; in practice they are not. This email was sent from my laptop with Centos 5.5 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] I/O size distribution?
Thanks for all the suggestions. I had a look at systemtap but I have the feeling that in it's current state it is aimed more at kernel developers rather than average admins like me :-) Still, I'll keep an eye on it also give the fact that there seem to be now new documentation being written about it http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/pdf/SystemTap_Beginners_Guide/SystemTap_Beginners_Guide.pdf On the other end, I have discovered blktrace and related tools, and this seems more palatable to me (subjective, I know ...). This example in particular seems to work for me # blktrace /dev/sda -a issue -a complete -w 60 -o - | blkiomon -I 4 -h - thought to share in case anyone finds it useful. cheers A. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] pam account lockout duration
hey list I'm doing a PCI audit for my company. One of the requirements is to specify a lockout duration of 30 minutes after 6 failed login attempts: For a sample of system components, obtain and insp 8.5.14 rd parameters system configuration settings to verify that passwo ed out, it are set to require that once a user account is lock a system remains locked for a minimum of 30 minutes or until administrator resets the account I'm pretty sure this is a pam thing but does anyone know how this can best be achieved? thanks! -- GPG me!! gpg --keyserver pgp.mit.edu --recv-keys F186197B ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] I/O size distribution?
On Wed, 22 Dec 2010, Antonello Piemonte wrote: To: CentOS mailing list centos@centos.org From: Antonello Piemonte apiem...@googlemail.com Subject: Re: [CentOS] I/O size distribution? Thanks for all the suggestions. I had a look at systemtap but I have the feeling that in it's current state it is aimed more at kernel developers rather than average admins like me :-) Still, I'll keep an eye on it also give the fact that there seem to be now new documentation being written about it http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/pdf/SystemTap_Beginners_Guide/SystemTap_Beginners_Guide.pdf On the other end, I have discovered blktrace and related tools, and this seems more palatable to me (subjective, I know ...). This example in particular seems to work for me # blktrace /dev/sda -a issue -a complete -w 60 -o - | blkiomon -I 4 -h - thought to share in case anyone finds it useful. Can I use this to monitor which files are being written to disk? Keith -- In theory, theory and practice are the same; in practice they are not. This email was sent from my laptop with Centos 5.5 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
On Wed, Dec 22, 2010 at 11:12 AM, Jason T. Slack-Moehrle slackmoeh...@me.com wrote: Hi All, I installed a new CentOS 5.5 box and I am getting a daily e-mail (I am not sure how this was triggered) with XNTPD logs, HTTP Error and Disk Space). It is being sent to r...@www.6colors.co which bounces, but I have a catch all so it does get to me. How do I change where this e-mail is sent? I have tried in /etc/postfix/main.cd, master.cf, bounce.cf.default, etc and I don't see where this is set. Can anyone help out? Best, -Jason If you're running sendmail, put an alias in /root/.forward. That gets *all* root email forwarded to the appropriate account, not just cron jobs. It also doesn't require editing of system files such as /etc/aliases. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
On 12/22/10 2:24 PM, Nico Kadel-Garcia wrote: If you're running sendmail, put an alias in /root/.forward. That gets *all* root email forwarded to the appropriate account, not just cron jobs. It also doesn't require editing of system files such as /etc/aliases. that's a borderline bizarre rationale./etc/aliases is specifically intended for this, even has a sample line in it to forward root's mail. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
On 12/22/2010 4:53 PM, John R Pierce wrote: On 12/22/10 2:24 PM, Nico Kadel-Garcia wrote: If you're running sendmail, put an alias in /root/.forward. That gets *all* root email forwarded to the appropriate account, not just cron jobs. It also doesn't require editing of system files such as /etc/aliases. that's a borderline bizarre rationale./etc/aliases is specifically intended for this, even has a sample line in it to forward root's mail. I suppose it does have the advantage of not having to deal with .rpmsave or .rpmnew files if an update would ever modify the contents of /etc/aliases. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] do i need a dedicated ip address for https?
On 22/12/10 11:52 PM, Nico Kadel-Garcia wrote: It's the easiest way to do it. If you allow someone else to hold your SSL keys, they can do interesting things to act as your front end to Where in the original post did it mention using a system that's not under their control? The question was about a static IP address, not the system the keys and certificates would be installed on. register your hostname associated with a registered key, but that gets tricky. And there are other fancy tricks, but they get weird and painful. Yes, it also depends on how much effort they're willing to go to and whether or not they care if a visitor notices. But let's be honest. Most SSL encryption is not done to authenticate a website as a signed, registered websites. Most of us at penny-wise workplaces have to hit Yes, I accept this unsigned key pop-ups all the time. SSL is often useful merely to encrypt the traffic end-to-end while clients accept such unsigned or incorrectly registered keys without concern. For that kind of use, dodging and weaving unregistered IP addresses are common place. That's what my self-signed site is for, but then I live in a country that is still debating mandatory Internet censorship. Most people wanting SSL on their website see it as a business requirement and most of those sites are running on shared or VPS hosting. Regards, Ben signature.asc Description: OpenPGP digital signature ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] do i need a dedicated ip address for https?
On 12/22/2010 5:40 PM, Ben McGinnes wrote: Most people wanting SSL on their website see it as a business requirement and most of those sites are running on shared or VPS hosting. The issue is that the server needs to know the hostname given to the browser to find the matching certificate, and the only way to do that and stay on the standard port 443 with the apache version on centos is to bind each virtual host to a different IP address. Per the apache ssl faq at http://httpd.apache.org/docs/2.2/ssl/ssl_faq.html#vhosts2, 2.2.12 or later supports SNI where the browser passes the hostname before the ssl session starts. -- Les Mikesell lesmieks...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] pam account lockout duration
see cis rhel 5.5 documentation and latest version of it for configuration examples. or use compensative controls. is it really sampled? usually no ;) eero, rhce ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Changing Root E-Mail address
On Wed, Dec 22, 2010 at 5:53 PM, John R Pierce pie...@hogranch.com wrote: On 12/22/10 2:24 PM, Nico Kadel-Garcia wrote: If you're running sendmail, put an alias in /root/.forward. That gets *all* root email forwarded to the appropriate account, not just cron jobs. It also doesn't require editing of system files such as /etc/aliases. that's a borderline bizarre rationale. /etc/aliases is specifically intended for this, even has a sample line in it to forward root's mail. Not at all. If you have a sitewide deployment kickstart system, you do *NOT* want to push dynamic edits to /etc/aliases if you don't have to. And different SMTP servers have distinct handling, or even locations, of the aliases file. Is it /etc/aliases? /etc/mail/aliases? /usr/local/etc/aliases? Do you want to manipulate it on a host by host basis and keep consistent /etc/aliases deployed across all hosts? You pick the situation I run into a *LOT* of bizarre situations. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] CentOS networking problem
Sir/Madam, This is Aravindh,final year student of Anna University India.We are carrying on research in Cloud Computing and using Open Nebula toolkit for that;for which we need strong network connectivity. The problem i am facing is that i am not able to ping continuously to other nodes in the network. The connectivity is getting lost after 2-3 minutes. we have inspected the connectivity links , switch etc. and found them to be normal. In fact it pings continuously in other OS. Is there any problem in CentOS network connectivity packages? Help needed urgently.. -- Thanks and Regards, Aravindh.R ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS networking problem
Aravindh, Tell us a little bit about your current server hardware, are your NICs showing using ifconfig, what about your gateway sing route. It would be good to know a little bit about your current configuration, including if you are using IPv6. Please elaborate so we can help you further. Lisandro Aravindh Ramaswamy 12/22/10 11:17 PM Sir/Madam, This is Aravindh,final year student of Anna University India.We are carrying on research in Cloud Computing and using Open Nebula toolkit for that;for which we need strong network connectivity. The problem i am facing is that i am not able to ping continuously to other nodes in the network. The connectivity is getting lost after 2-3 minutes. we have inspected the connectivity links , switch etc. and found them to be normal. In fact it pings continuously in other OS. Is there any problem in CentOS network connectivity packages? Help needed urgently.. -- Thanks and Regards, Aravindh.R ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS networking problem
On Wed, Dec 22, 2010 at 11:17 PM, Aravindh Ramaswamy aravindhr...@gmail.com wrote: Sir/Madam, This is Aravindh,final year student of Anna University India.We are carrying on research in Cloud Computing and using Open Nebula toolkit for that;for which we need strong network connectivity. The problem i am facing is that i am not able to ping continuously to other nodes in the network. The connectivity is getting lost after 2-3 minutes. we have inspected the connectivity links , switch etc. and found them to be normal. In fact it pings continuously in other OS. Is there any problem in CentOS network connectivity packages? Help needed urgently.. Pinging continuously can be detected by some firewall as part of denial-of-service attack, which can then block ICMP packages, even block them selectively. How often are you pinging, and from how many other nodes? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS networking problem
Thank you sir for replying.. Given below is my system's status after 'ifconfig'... eth0 Link encap:Ethernet HWaddr 44:87:FC:68:5E:33 inet addr:192.168.100.168 Bcast:192.168.100.255 Mask:255.255.255.0 inet6 addr: fe80::4687:fcff:fe68:5e33/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:26494 errors:0 dropped:0 overruns:0 frame:0 TX packets:10654 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:13696022 (13.0 MiB) TX bytes:2430504 (2.3 MiB) loLink encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:4475 errors:0 dropped:0 overruns:0 frame:0 TX packets:4475 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:7342452 (7.0 MiB) TX bytes:7342452 (7.0 MiB) peth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF inet6 addr: fe80::fcff::feff:/64 Scope:Link UP BROADCAST RUNNING NOARP MTU:1500 Metric:1 RX packets:49859 errors:0 dropped:0 overruns:0 frame:0 TX packets:10973 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:16486973 (15.7 MiB) TX bytes:2457481 (2.3 MiB) Interrupt:253 Base address:0xc000 vif0.0Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF inet6 addr: fe80::fcff::feff:/64 Scope:Link UP BROADCAST RUNNING NOARP MTU:1500 Metric:1 RX packets:10654 errors:0 dropped:0 overruns:0 frame:0 TX packets:26496 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:2430504 (2.3 MiB) TX bytes:13696142 (13.0 MiB) virbr0Link encap:Ethernet HWaddr 00:00:00:00:00:00 inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0 inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:51 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:9090 (8.8 KiB) xenbr0Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF UP BROADCAST RUNNING NOARP MTU:1500 Metric:1 RX packets:15909 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1364475 (1.3 MiB) TX bytes:0 (0.0 b) On Thu, Dec 23, 2010 at 9:52 AM, Lisandro Grullon lgrul...@citytech.cuny.edu wrote: Aravindh, Tell us a little bit about your current server hardware, are your NICs showing using ifconfig, what about your gateway sing route. It would be good to know a little bit about your current configuration, including if you are using IPv6. Please elaborate so we can help you further. Lisandro Aravindh Ramaswamy 12/22/10 11:17 PM Sir/Madam, This is Aravindh,final year student of Anna University India.We are carrying on research in Cloud Computing and using Open Nebula toolkit for that;for which we need strong network connectivity. The problem i am facing is that i am not able to ping continuously to other nodes in the network. The connectivity is getting lost after 2-3 minutes. we have inspected the connectivity links , switch etc. and found them to be normal. In fact it pings continuously in other OS. Is there any problem in CentOS network connectivity packages? Help needed urgently.. -- Thanks and Regards, Aravindh.R -- Thanks and Regards, Aravindh.R ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Moving from Fedora -- Advice??
On Fri, Dec 17, 2010 at 11:04 AM, Beartooth bearto...@comcast.net wrote: She's far more likely to outlive me than I her; so I want to install something requiring a lot less maintenance on her machine, so that she'll have it and be used to it, years ahead of need. I'm thinking CentOS 6, whenever it's ready, is probably my best choice. Any thoughts? (And yes, I do mean what my .sig says.) Hello, Beartooth. I have given this a lot of thought over the last few months. You certainly can't leave her on Fedora. That turns over too fast. On a server or in a public lab, I run Centos or RHEL. This is a Centos list, and I don't want to inspire a big distro flame war, but here's an opinion. If you are serious that you may die and leave your wife with an OS she can't manage, you might think about installing the LTS version of Ubuntu. The Ubuntu email list folks are more helpful to non-experts. The distro team is more energetic about making device drivers work, even if you happen to own the wrong hardware (proprietary drivers for Nvidia video, MP3 encoding, etc). They are somewhat like Macintosh in attitude. If we can't package it up for you to click on, it is not worth doing. That's not the way experts need it, but for somebody who is just using the system, it may be about right. On the other hand, if I have a really serious problem, something wrong in the kernel, I'd much rather seek help in the Fedora list. There are more true experts floating about in there. I suppose that once you install the OS, the trouble due to automatic updates from either Ubuntu LTS or Centos/RedHat will be about the same. The trouble will come when she either has to get a new computer or make a major distribution update, eg from Centos 5.5 to Centos 6.0. If she needs to find Linux help, my *guess* is that she will be more likely to find a teenager who has used Ubuntu than the others. She'd have the same trouble with Windows, the only difference there is that it is easier to find/hire geeks to help on a Windows system. pj -- Paul E. Johnson Professor, Political Science 1541 Lilac Lane, Room 504 University of Kansas ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Ext4 on CentOS 5.5 64bit
Matt wrote: Is ext4 stable on CentOS 5.5 64bit? I have an email server with a great deal of disk i/o and was wandering if ext4 would be better then ext3 for it? Before committing to ext4 on a production server, it would be good to consider the comments made in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/317781/comments/45 which presumably still apply to current CentOS 5.5 64-bit kernels. As I read it, Ts'o argues that the apparent loss of stability compared to ext3 is a design issue in the realm of applications that run atop it. I hope this is not a misreading. -- Charles Polisher ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] I/O size distribution?
Antonello Piemonte wrote: Hello I have read that under Solaris one can use DTrace to get I/O request size distribution on a global scale (also on a per process/pid basis). See for example http://prefetch.net/articles/observeiodtk.html Can anyone recommend an alternative to get similar information under CentOS? I looked into dtrace for linux but it seems still work in progress, even putting aside CDDL issues ... http://www.crisp.demon.co.uk/tools.html Maybe the average request size from iostat -x could supply part of the /global/ piece? -- Charles Polisher ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Moving from Fedora -- Advice??
On 12/22/2010 11:39 AM, m.r...@5-cent.us wrote: Right, which AFAIK, doesn't work with the new US federal PIV-II cards. Certainly, I can't add the card when it's inserted in the reader with just that. OK. Well, that's more or less what I meant when I asked if there was something non-standard. It looks to me like the older systems should have worked properly, before GNOME got its keyring manager involved. So, I'd recommend that you do two things. First, edit /usr/share/xsessions/gnome.desktop or create a new session file of your own. Change the Exec line to: Exec=ssh-agent gnome-session That'll launch your gnome-session as a child of ssh-agent. When you log out, ssh-agent will exit. You'll also need to (in your session) go to System - Preferences - Startup Applications. Locate SSH Key Agent. Remove the checkbox. Log out and log back in. At that point, double check that the ssh key agent is still deselected in startup applications, and then make sure that a terminal still has the SSH_AUTH_SOCK variable. If those two things are true, then you should be using the OpenSSH agent. (Also, the socket path shouldn't say keyring). Once you're using the OpenSSH agent, you should be able to use ssh-add to set up your opensc device. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Ext4 on CentOS 5.5 64bit
ext4 better then ext3 ! you can install ext4 by yum see: https://ext4.wiki.kernel.org/index.php/Ext4_Howto#Compatibility 2010/12/23 cpol...@surewest.net Matt wrote: Is ext4 stable on CentOS 5.5 64bit? I have an email server with a great deal of disk i/o and was wandering if ext4 would be better then ext3 for it? Before committing to ext4 on a production server, it would be good to consider the comments made in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/317781/comments/45 which presumably still apply to current CentOS 5.5 64-bit kernels. As I read it, Ts'o argues that the apparent loss of stability compared to ext3 is a design issue in the realm of applications that run atop it. I hope this is not a misreading. -- Charles Polisher ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
