Chrooted apache package for Debian?

2004-01-09 Thread Roman Medina

Is there any official or non-official .deb package with a chrooted
apache distro? Any related project? 

Thanks.

 Saludos,
 --Roman

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Chrooted apache package for Debian?

2004-01-09 Thread Roman Medina

Is there any official or non-official .deb package with a chrooted
apache distro? Any related project? 

Thanks.

 Saludos,
 --Roman

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Re: Strange problem with NIC

2003-11-26 Thread Roman Medina

mta-mad:~# mii-tool 
eth0: negotiated 100baseT4 flow-control, link ok

 Saludos,
 --Roman

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On Wed, 26 Nov 2003 10:31:07 +0800, you wrote:

Run mii-tool and see what speed your card is using first.

- Original Message - 
From: Roman Medina [EMAIL PROTECTED]
To: debian-isp@lists.debian.org
Sent: Sunday, November 23, 2003 05:49 PM
Subject: Strange problem with NIC



Hi,

I'm experimenting the following problem: one Debian machine with 1
10/100 Ethernet NIC where its upstream speed is reasonable (2 or 3
Mbytes per second) but its downstream speed is awful (35 kbytes per
second ). All experiments are made in a LAN, so I cannot explain
the 35 kbytes/s extremely low speed.

Any idea? TIA





Strange problem with NIC

2003-11-25 Thread Roman Medina

Hi,

I'm experimenting the following problem: one Debian machine with 1
10/100 Ethernet NIC where its upstream speed is reasonable (2 or 3
Mbytes per second) but its downstream speed is awful (35 kbytes per
second ). All experiments are made in a LAN, so I cannot explain
the 35 kbytes/s extremely low speed.

Any idea? TIA

 Saludos,
 --Roman

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Strange problem with NIC

2003-11-25 Thread Roman Medina

Hi,

I'm experimenting the following problem: one Debian machine with 1
10/100 Ethernet NIC where its upstream speed is reasonable (2 or 3
Mbytes per second) but its downstream speed is awful (35 kbytes per
second ). All experiments are made in a LAN, so I cannot explain
the 35 kbytes/s extremely low speed.

Any idea? TIA

 Saludos,
 --Roman

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Re: Sugesstions building a rather big mail system.

2003-10-17 Thread Roman Medina
On 09 Oct 2003 10:31:25 +0200, you wrote:

Am Don, 2003-10-09 um 02.50 schrieb Donovan Baarda:

 Using snapshots to do an incremental backup would be no different to
 doing any other type of backup using snapshots. It's the same as a
 normal incremental backup, just with the added guarantee that the
 filesystem is not changing underneath you as you do it.

 I agree with that comment. Also somebody asked how to get it with
Linux. Tip: use LVM + dump.
- LVM will provide snapshot capability - avoids files changing when
backing up (as told by Donovan)
- Dump is the tool used for taking backups (complete or incremental)

Say the first snapshot is created at 05:00 AM with 10TB data on the
filer and the second one one hour later at 06:00 AM the incremental
snapshot would backup only those blocks/files/whatever that have
changed since then (maybe just a few GB). This allows much faster
backups/restores with guaranteed consistency.

At 5AM you should:
- create a LVM snapshot (this is very fast, since LVM doesn't really
need to copy data from the real fs to the snapshot fs).
- dump fs completely
- destroy LVM snapshot

At 6AM you should:
- create a new LVM snapshot
- dump fs partially (incremental mode)
- destroy LVM snapshot

Is anyone on
the list you uses this features and can tell what they really do or how
good they work?

Well, I haven't tested enough and I really don't have big and loaded
systems as the one you want to use, but all my tests have been very
successful.

Read the following thread that I started a few weeks ago:
http://lists.debian.org/debian-isp/2003/debian-isp-200309/msg00330.html

 Saludos,
 --Roman

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Re: Best way to update perl on Woody Stable ?

2003-10-17 Thread Roman Medina
On Fri, 10 Oct 2003 13:49:56 +1000, you wrote:

   another method is to use apt's pinning features where you can tell
   it to upgrade certain packages from one distribution (e.g. unstable)
   and the rest from another (e.g. stable).

Could you post an /etc/apt/sources.list which demonstrates this
option, please? (for instance, how to use latest postfix packages
whilest keeping all the rest of packages from woody). TIA.

 Saludos,
 --Roman

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Re: Hot-backup a complete Debian install

2003-10-01 Thread Roman Medina
On Wed, 1 Oct 2003 10:05:50 +0200, you wrote:

we're using a similar setup for some hosts and I have the best results 
so far with dump/restore on ext2/ext3 partitions.

 Also using snapshots with dump/restore? Do you have any script which
I could have a look?

I've even successfully recreated a database server with mysql and 
postgresql servers running
and using dump as a backup tool.

 My idea is generate a different backup for databases, using especific
MySQLco tools. I don't think a backup of a live filesystem containing
database data could be reliable.. what happens if MySQL has some data
in memory (still not flushed to disk)?

 Saludos,
 --Roman

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Services in a multihomed machine

2003-10-01 Thread Roman Medina

Hello,

Let's suppose a server using ip-aliasing, with two public IPs (on the
same subnet): ip1 and ip2. The server runs two services:
- MTA (postfix) on ip1
- WWW (apache) on ip2
(I mean, each service is bound to only one ip, not 0.0.0.0).

According to the routing table, default gateway is reached through
ip2. This means that when the server acts as a client machine it will
use always ip2.

Now let's suppose that somebody is using your MTA to send an email.
The server reads the email through ip1, and then will initiate a new
connection to a second MTA (for delivering purposes), according to the
MX record of the destination domain. Well, the problem is that this
new connection is originated from ip2 (the one used for client
purposes as well as WWW server).

I'd like that all MTA related tasks were launched always from ip1. Do
you know any way of getting this to work?

I haven't already tried it but if I'm not wrong there is a way to
create iptables rules based on system proccesses. So I had thought in
creating such a rule to mangle packets with ip2 (wrong ip) when they
are generated from postfix. Do you think it is a good idea? Would it
cause an overload in CPU time?

Which other solutions do you know to solve the problem?

 Saludos,
 --Roman

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FSCKFIX=yes

2003-09-29 Thread Roman Medina

 Hi,

 I administer some machines remotely so I don't have the chance to
manually fsck them when an error occurs. I use ext3 and LVM.

1) I've found the following at Debian 3.0 and turned to yes:
# Set FSCKFIX to yes if you want to add -y to the fsck at startup.
FSCKFIX=yes

Would you recommend this? Does it work as expected?

2) Pros  Disadvant.?

3) Is it still possible that the system doesn't get started
automagically? (well, the response should be yes, but which chance
of failure should I expect?).

Thanks.

 Saludos,
 --Roman

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Generic Control Pannel

2003-09-13 Thread Roman Medina

 Hello,

 I'm managing some kind of ISP services but I don't have any control
pannel service to offer to my customers. The idea is that my
customers could manage their own mailboxes (create, delete, change
passwds, etc), ftp accounts, dns zone, etc. I've thought of
developping my own application for that purpose, based on PHP and
MySQL. I don't see it difficult but I don't have much time and I'm not
a good graphic/website designer, so I'd prefer to use any free control
pannel available, after modifying its code to fit my machine needs
(for instance, my database structure, harddisk directory tree, etc). 

 The idea is not having to design the web style of the administration
tool, authentication (login window), and things like that. Which
already-existing (and free) control pannel would you recommend to me
for this purpose? I'd prefer one based on PHP, but it would not be a
problem if it is based on other options (Perl, C, ...). I'm using
Apache on Debian Linux (of course).

 Any help would be greatly appreciated. Thanks in advance.

 Regards,
 --Roman

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