Re: [CentOS] mkswap, lvm and bootbits sectors
On Tuesday 13 March 2012 13.20.01 m.r...@5-cent.us wrote: > Peter Kjellström wrote: > > On Tuesday 13 March 2012 13.41.53 Philippe Naudin wrote: > >> Hello, > >> > >> I am confused by a warning from mkswap : > >> > >> When making a swap on a LVM volume, I see the following warning : > >> mkswap: /dev/vg_SDB1/swap_test6_64: warning: don't erase bootbits ... > > Are you making swap from a logical partition, or a swapfile? If the > former, perhaps recreating the partition might help. Don't confuse the poor guy. 1) yes he's doing mkswap on an lv which was obvious had you read the post 2) an lv does not have a partition table so your statement about recreating it makes no sense. /Peter 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] Upgrade to 5.8 broke sshd on IPv4
Hi, I have seen this very same issue. We had the the option ListenAddress set to :: and this worked until now. We specifically had to add the option ListenAdress 0.0.0.0 to make it work again on ipv4. It must be something CentOS specific since I couldn't find any reference (in my 2 second google search) other than this issue reported on the centOS mailing list. Cheers, Maarten___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] mkswap, lvm and bootbits sectors
Le mer. 14 mars 2012 09:08:46 CET, Peter Kjellström a écrit: > On Tuesday 13 March 2012 13.20.01 m.r...@5-cent.us wrote: > > Peter Kjellström wrote: > > > On Tuesday 13 March 2012 13.41.53 Philippe Naudin wrote: > > >> Hello, > > >> > > >> I am confused by a warning from mkswap : > > >> > > >> When making a swap on a LVM volume, I see the following warning : > > >> mkswap: /dev/vg_SDB1/swap_test6_64: warning: don't erase bootbits > ... > > > > Are you making swap from a logical partition, or a swapfile? If the > > former, perhaps recreating the partition might help. > > Don't confuse the poor guy. 1) yes he's doing mkswap on an lv which was > obvious had you read the post 2) an lv does not have a partition table so > your > statement about recreating it makes no sense. Thanks all for your answers. Actually, my problem concern lvm, not mkswap. I don't know yet if I have completely messed with vgcreate/lvcreate or if what I get is due to some difference between CentOS-5 and CentOS-6, but all my logical volumes seem to appear as distinct disks. On a CentOS-6 machine : $ lvcreate -L 10M --name try_lvcreate --zero=y VolGroup Rounding up size to full physical extent 12.00 MiB Logical volume "try_lvcreate" created $ fdisk -l Disk /dev/mapper/VolGroup-try_lvcreate: 12 MB, 12582912 bytes 255 heads, 63 sectors/track, 1 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x Disk /dev/mapper/VolGroup-try_lvcreate doesn't contain a valid partition table $ mkswap /dev/mapper/VolGroup-try_lvcreate mkswap: /dev/mapper/VolGroup-try_lvcreate: warning: don't erase bootbits sectors on whole disk. Use -f to force. Setting up swapspace version 1, size = 12284 KiB no label, UUID=be229ca5-bcb9-4116-87fc-8878abb44742 The same commands on a CentOS-5 machine give me a completely different output. Can you guess where I have messed, or is this behavior correct on CentOS-6 ? Thanks, -- Philippe Naudin ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Upgrade to 5.8 broke sshd on IPv4
Yes, that is it. I just commented the ListenAddress lines with # and let it use defaults which seems to make it listen on all networks again. Mike On 03/14/2012 05:13 AM, Maarten van Ingen wrote: > Hi, > > I have seen this very same issue. We had the the option ListenAddress set to > :: and this worked until now. > We specifically had to add the option ListenAdress 0.0.0.0 to make it work > again on ipv4. > > It must be something CentOS specific since I couldn't find any reference (in > my 2 second google search) other than this issue reported on the centOS > mailing list. > > Cheers, > Maarten > > ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] testing a udp socket with netcat
i've this udp daemon which is waiting for an incoming udp datagram. now i want test this daemon for random garbage to test how it behaves. My udp daemon is running because its shows on netstat. problem is if i issue following command for putting udp datagram : $nc -uvvz it does not output any thing. i have straced the udp daemon. which does not returns from recv() call. my goal is to put arbitrary data on the udp socket by netcat. i do not have any experience regarding netcat so i'm asking if anyone can help me out with this. thanks in advance. -- "You have a voice" The King's Speech Public Key : $ gpg --keyserver keyserver.ubuntu.com --recv-key C88CFC23 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] testing a udp socket with netcat
On Wed, Mar 14, 2012 at 8:25 AM, Arif Hossain wrote: > i've this udp daemon which is waiting for an incoming udp datagram. now > i want test this daemon for random garbage to test how it behaves. My > udp daemon is running because its shows on netstat. problem is if i > issue following command for putting udp datagram : > $nc -uvvz > > it does not output any thing. i have straced the udp daemon. which does > not returns from recv() call. > > my goal is to put arbitrary data on the udp socket by netcat. i do not > have any experience regarding netcat so i'm asking if anyone can help me > out with this. Do you have iptables running? The default config would probably block your udp traffic. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] testing a udp socket with netcat
On Wed, 2012-03-14 at 08:37 -0500, Les Mikesell wrote: > On Wed, Mar 14, 2012 at 8:25 AM, Arif Hossain wrote: > > i've this udp daemon which is waiting for an incoming udp datagram. now > > i want test this daemon for random garbage to test how it behaves. My > > udp daemon is running because its shows on netstat. problem is if i > > issue following command for putting udp datagram : > > $nc -uvvz > > > > it does not output any thing. i have straced the udp daemon. which does > > not returns from recv() call. > > > > my goal is to ppience regarding netcat so i'm asking if anyone can help me > > out with this. > > Do you have iptables running? The default config would probably > block your udp traffic. > here is my iptable-rules # Generated by iptables-save v1.4.7 on Wed Mar 14 19:58:13 2012 *mangle :PREROUTING ACCEPT [329554:95268521] :INPUT ACCEPT [88918:46924677] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [7296:1924138] :POSTROUTING ACCEPT [7296:1924138] COMMIT # Completed on Wed Mar 14 19:58:13 2012 # Generated by iptables-save v1.4.7 on Wed Mar 14 19:58:13 2012 *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [206514:24743648] -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT # Completed on Wed Mar 14 19:58:13 2012 -- "You have a voice" The King's Speech Public Key : $ gpg --keyserver keyserver.ubuntu.com --recv-key C88CFC23 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] testing a udp socket with netcat
On 14/03/2012 13:59, Arif Hossain wrote: On Wed, 2012-03-14 at 08:37 -0500, Les Mikesell wrote: On Wed, Mar 14, 2012 at 8:25 AM, Arif Hossain wrote: i've this udp daemon which is waiting for an incoming udp datagram. now i want test this daemon for random garbage to test how it behaves. My udp daemon is running because its shows on netstat. problem is if i issue following command for putting udp datagram : $nc -uvvz it does not output any thing. i have straced the udp daemon. which does not returns from recv() call. my goal is to ppience regarding netcat so i'm asking if anyone can help me out with this. Do you have iptables running? The default config would probably block your udp traffic. here is my iptable-rules # Generated by iptables-save v1.4.7 on Wed Mar 14 19:58:13 2012 *mangle :PREROUTING ACCEPT [329554:95268521] :INPUT ACCEPT [88918:46924677] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [7296:1924138] :POSTROUTING ACCEPT [7296:1924138] COMMIT # Completed on Wed Mar 14 19:58:13 2012 # Generated by iptables-save v1.4.7 on Wed Mar 14 19:58:13 2012 *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [206514:24743648] -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT # Completed on Wed Mar 14 19:58:13 2012 And your INPUT chain rejects everything that is not matched by those lines above it. You'll need a: -A INPUT -p udp --dport -j ACCEPT in there before you go to REJECT. -- Best Regards, Giles Coochey NetSecSpec Ltd UK Mobile: +44 7983 877 438 Business Email: giles.cooc...@netsecspec.co.uk Email/MSN/Live Messenger: gi...@coochey.net Skype: gilescoochey ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] postfix and spam, I am impressed
From: Les Mikesell >> Then add user management, webmail, webmail extensions that enable users to > manage their own settings, antispam policies, vacations, addressbooks and > whatnot. > > I think you just described ClearOS Or Zimbra... JD ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] postfix and spam, I am impressed
On Wed, Mar 14, 2012 at 9:10 AM, John Doe wrote: > From: Les Mikesell > >>> Then add user management, webmail, webmail extensions that enable users to >> manage their own settings, antispam policies, vacations, addressbooks and >> whatnot. >> >> I think you just described ClearOS > > Or Zimbra... This was in the context of things working 'out-of-the-box' in a base install. Does any distribution ship with zimbra configured? -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] testing a udp socket with netcat
On Wed, 2012-03-14 at 14:11 +, Giles Coochey wrote: > --ms00020507030501060609 > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > Content-Transfer-Encoding: quoted-printable > > On 14/03/2012 13:59, Arif Hossain wrote: > > On Wed, 2012-03-14 at 08:37 -0500, Les Mikesell wrote: > >> On Wed, Mar 14, 2012 at 8:25 AM, Arif Hossain = > wrote: > >>> i've this udp daemon which is waiting for an incoming udp datagram. n= > ow > >>> i want test this daemon for random garbage to test how it behaves. My= > > >>> udp daemon is running because its shows on netstat. problem is if i > >>> issue following command for putting udp datagram : > >>> $nc -uvvz > >>> > >>> it does not output any thing. i have straced the udp daemon. which do= > es > >>> not returns from recv() call. > >>> > >>> my goal is to ppience regarding netcat so i'm asking if anyone can he= > lp me > >>> out with this. > >> Do you have iptables running? The default config would probably > >> block your udp traffic. > >> > > here is my iptable-rules > > > > # Generated by iptables-save v1.4.7 on Wed Mar 14 19:58:13 2012 > > *mangle > > :PREROUTING ACCEPT [329554:95268521] > > :INPUT ACCEPT [88918:46924677] > > :FORWARD ACCEPT [0:0] > > :OUTPUT ACCEPT [7296:1924138] > > :POSTROUTING ACCEPT [7296:1924138] > > COMMIT > > # Completed on Wed Mar 14 19:58:13 2012 > > # Generated by iptables-save v1.4.7 on Wed Mar 14 19:58:13 2012 > > *filter > > :INPUT ACCEPT [0:0] > > :FORWARD ACCEPT [0:0] > > :OUTPUT ACCEPT [206514:24743648] > > -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT > > -A INPUT -p icmp -j ACCEPT > > -A INPUT -i lo -j ACCEPT > > -A INPUT -p tcp -m state --state NEW -m tcp --dport -j ACCEPT > > -A INPUT -j REJECT --reject-with icmp-host-prohibited > > -A FORWARD -j REJECT --reject-with icmp-host-prohibited > > COMMIT > > # Completed on Wed Mar 14 19:58:13 2012 > > > And your INPUT chain rejects everything that is not matched by those=20 > lines above it. > > You'll need a: > > -A INPUT -p udp --dport -j ACCEPT in there before you go to REJECT= > =2E > > --=20 > Best Regards, for testing purpose i have flushed all rules in iptables -t filter $iptables -t filter --flush but still if try putting data by nc: $nc -uvv localhost 7160 outputs : write error: connection refused. > > Giles Coochey > NetSecSpec Ltd > UK Mobile: +44 7983 877 438 > Business Email: giles.cooc...@netsecspec.co.uk > Email/MSN/Live Messenger: gi...@coochey.net > Skype: gilescoochey > > > > --ms00020507030501060609-- > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos 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] CentOS Server Backup Options: at runlevel 5?
What (FOSS) backup apps can back up a system running at level 3/5? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] testing a udp socket with netcat
On 14/03/2012 14:56, Arif Hossain wrote: On Wed, 2012-03-14 at 14:11 +, Giles Coochey wrote: --ms00020507030501060609 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable On 14/03/2012 13:59, Arif Hossain wrote: On Wed, 2012-03-14 at 08:37 -0500, Les Mikesell wrote: On Wed, Mar 14, 2012 at 8:25 AM, Arif Hossain = wrote: i've this udp daemon which is waiting for an incoming udp datagram. n= ow i want test this daemon for random garbage to test how it behaves. My= udp daemon is running because its shows on netstat. problem is if i issue following command for putting udp datagram : $nc -uvvz it does not output any thing. i have straced the udp daemon. which do= es not returns from recv() call. my goal is to ppience regarding netcat so i'm asking if anyone can he= lp me out with this. Do you have iptables running? The default config would probably block your udp traffic. here is my iptable-rules # Generated by iptables-save v1.4.7 on Wed Mar 14 19:58:13 2012 *mangle :PREROUTING ACCEPT [329554:95268521] :INPUT ACCEPT [88918:46924677] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [7296:1924138] :POSTROUTING ACCEPT [7296:1924138] COMMIT # Completed on Wed Mar 14 19:58:13 2012 # Generated by iptables-save v1.4.7 on Wed Mar 14 19:58:13 2012 *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [206514:24743648] -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT # Completed on Wed Mar 14 19:58:13 2012 And your INPUT chain rejects everything that is not matched by those=20 lines above it. You'll need a: -A INPUT -p udp --dport -j ACCEPT in there before you go to REJECT= =2E --=20 Best Regards, for testing purpose i have flushed all rules in iptables -t filter $iptables -t filter --flush but still if try putting data by nc: $nc -uvv localhost 7160 outputs : write error: connection refused. Is SELinux installed and Enforcing? -- Best Regards, Giles Coochey NetSecSpec Ltd UK Mobile: +44 7983 877 438 Business Email: giles.cooc...@netsecspec.co.uk Email/MSN/Live Messenger: gi...@coochey.net Skype: gilescoochey ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS Server Backup Options: at runlevel 5?
On Wed, Mar 14, 2012 at 10:10 AM, ken wrote: > What (FOSS) backup apps can back up a system running at level 3/5? Almost all backup methods except raw partition/disk images will work with the system running. You aren't guaranteed that files will be in a consistent state when restored, but the OS itself is fairly sure to work and databases and similar apps usually have their own ways to do live consistent snapshots. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] CentOS-announce Digest, Vol 85, Issue 6
Send CentOS-announce mailing list submissions to
centos-annou...@centos.org
To subscribe or unsubscribe via the World Wide Web, visit
http://lists.centos.org/mailman/listinfo/centos-announce
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You can reach the person managing the list at
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When replying, please edit your Subject line so it is more specific
than "Re: Contents of CentOS-announce digest..."
Today's Topics:
1. CEBA-2012:0385 CentOS 6 gawk FASTTRACK Update (Johnny Hughes)
2. CEBA-2012:0382 CentOS 6 tsclient FASTTRACK Update (Johnny Hughes)
3. CEBA-2012:0384 CentOS 6 liberation-fonts FASTTRACK Update
(Johnny Hughes)
4. CEBA-2012:0383 CentOS 6 dropwatch FASTTRACK Update (Johnny Hughes)
5. CEBA-2012:0381 CentOS 6 libgweather FASTTRACK Update
(Johnny Hughes)
6. CEBA-2012:0386 CentOS 6 yum Update (Johnny Hughes)
7. CESA-2012:0387 Critical CentOS 5 firefox Update (Johnny Hughes)
8. CESA-2012:0388 Critical CentOS 5 thunderbird Update
(Johnny Hughes)
--
Message: 1
Date: Tue, 13 Mar 2012 23:14:12 +
From: Johnny Hughes
Subject: [CentOS-announce] CEBA-2012:0385 CentOS 6 gawk FASTTRACK
Update
To: centos-annou...@centos.org
Message-ID: <20120313231412.ga18...@chakra.karan.org>
Content-Type: text/plain; charset=us-ascii
CentOS Errata and Bugfix Advisory 2012:0385
Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0385.html
The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )
i386:
762c118cecd3b40fd2826a855a56feda50e2de2f9961ec657e4917fc7ca88690
gawk-3.1.7-9.el6.i686.rpm
x86_64:
a1ff5f9c0ca1c0bc4835ccacc99686ea480498ebec42a486dfdf79f3c36833e5
gawk-3.1.7-9.el6.x86_64.rpm
Source:
b2df898c88538b4c29f60347957adc9ff7af594a4a23b7185aa30db1e300c22d
gawk-3.1.7-9.el6.src.rpm
--
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #cen...@irc.freenode.net
--
Message: 2
Date: Tue, 13 Mar 2012 23:14:32 +
From: Johnny Hughes
Subject: [CentOS-announce] CEBA-2012:0382 CentOS 6 tsclient FASTTRACK
Update
To: centos-annou...@centos.org
Message-ID: <20120313231432.ga18...@chakra.karan.org>
Content-Type: text/plain; charset=us-ascii
CentOS Errata and Bugfix Advisory 2012:0382
Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0382.html
The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )
i386:
85c9cc70486b8650a8dafb58e61bfe20af5b1187a947fc94043e9607b22d4cb7
tsclient-2.0.2-8.el6.i686.rpm
6a1d5c82d57943fcd6eabef4b21473df6899682dc89a693e1b588983908737c3
tsclient-devel-2.0.2-8.el6.i686.rpm
x86_64:
3839bf9841bedae0d3055cabb1ec878650e30c43c49364801bb416b1d13e3368
tsclient-2.0.2-8.el6.x86_64.rpm
6a1d5c82d57943fcd6eabef4b21473df6899682dc89a693e1b588983908737c3
tsclient-devel-2.0.2-8.el6.i686.rpm
66a809e586938e16a4fb15db62585277479f05c937ef997479eb444e89b9
tsclient-devel-2.0.2-8.el6.x86_64.rpm
Source:
63031c3b6f3dd710fa99cd23be2ddd85bbb9baf524e17a91a08401811543c752
tsclient-2.0.2-8.el6.src.rpm
--
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #cen...@irc.freenode.net
--
Message: 3
Date: Tue, 13 Mar 2012 23:15:00 +
From: Johnny Hughes
Subject: [CentOS-announce] CEBA-2012:0384 CentOS 6 liberation-fonts
FASTTRACK Update
To: centos-annou...@centos.org
Message-ID: <20120313231500.ga18...@chakra.karan.org>
Content-Type: text/plain; charset=us-ascii
CentOS Errata and Bugfix Advisory 2012:0384
Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0384.html
The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )
i386:
ae80df62eae0e81b310026e4152a1f8a910571103568d2a8dc11f5ef3ddea058
liberation-fonts-common-1.05.1.20090721-5.el6.noarch.rpm
97d04c298e939f263242b839d26428bfe58a19f68addc2c7cd31c26d3f87f744
liberation-mono-fonts-1.05.1.20090721-5.el6.noarch.rpm
5988ce75894bf434000c248bcab18c44b446256af5ee96ab1ba8e2ac4d36eab7
liberation-sans-fonts-1.05.1.20090721-5.el6.noarch.rpm
ce07d089c2df916ed798e7a2b7ce584b403d1c59b81b2bc1b96bcd92d697cbce
liberation-serif-fonts-1.05.1.20090721-5.el6.noarch.rpm
x86_64:
74745a13d9decb11d08762111a069255db8123de19256a8fc9b8b0c3f819
liberation-fonts-common-1.05.1.20090721-5.el6.noarch.rpm
a0d650fd873de877dfa008e397af1cba9fcf8dfbd9d9516f63182fcdcaf289e3
liberation-mono-fonts-1.05.1.20090721-5.el6.noarch.rpm
8beeedc0df07c40a2289129bb5e0310173d975e1991031fc17316c2410e846d7
liberation-sans-fonts-1.05.1.20090721-5.el6.noarch.rpm
b8f9824ed645d26a3f2c08c25026ad553ee7323916f93dda1d902fb52a3709d7
liberation-serif-fonts-1.05.1.20090721-5.el6.noarch.rpm
Source:
0b4db363f1c
Re: [CentOS] postfix and spam, I am impressed
From: Les Mikesell > This was in the context of things working 'out-of-the-box' in a base > install. Does any distribution ship with zimbra configured? Not sure how far out-of-the-box goes but: Not free: "The Zimbra Collaboration Server Appliance is the Zimbra email and collaboration solution delivered as a VMware virtual appliance." The free open source edition is not too complicated to install (even I could do it ;) - Download big tgz - Extract big tgz - Run install script and answer a few questions. => Everything installed in /opt/zimbra It uses its own postfix/cyrus/clamav/mysql/httpd/ldap/java... The upside is that everything component is already setup to work fine with each other. The downside is that it feels like a big huge blackbox that seem to work fine so far, and you are dependent on VMware for security updates... Of course, you still need to tweak the conf for things like: - adding specific SSL keys - binding only on a specific IP - authorize relaying - etc... Configuration seems to be totally scriptable. But I had to create scripts for automated backups (full, users mailboxes, mysql, ldap). So far so good (need quite some RAM thx to java). But I do not have many mailboxes (less than 100) and so went with the simple standalone setup. JD ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] mkswap, lvm and bootbits sectors
On Wednesday 14 March 2012 11.50.37 Philippe Naudin wrote: > Thanks all for your answers. > > Actually, my problem concern lvm, not mkswap. No, afaict there's nothing wrong with your lvm. The only problem I see is that mkswap prints our an incorrect or at least pointless warning. I can confirm that mkswap on an lv on one of my test machines also says "warning: don't erase bootbits...". It also says this when running against a file full of zeroes... Regarding fdisks complaints about "doesn't contain a valid partition table...", this is normal (and may be considered a bug in the "-l" option, it could have excluded lvm-devices from its list...). If you want to get to the bottom of this I suspect the easiest way is to look at the mkswap source code (under which circumstances it prints that message). /Peter 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] debugging RAM issues
Well I did exactly what I'd done 3 months ago and found a faulty RAM chip this time My guess is that back then the chip was still functioning some of the time, and happened to be fine just when I was doing the tests. This time I found it fairly easily with a systematic approach. -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food" ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS Server Backup Options: at runlevel 5?
On 03/14/2012 08:43 AM, Les Mikesell wrote: > On Wed, Mar 14, 2012 at 10:10 AM, ken wrote: >> What (FOSS) backup apps can back up a system running at level 3/5? > Almost all backup methods except raw partition/disk images will work > with the system running. You aren't guaranteed that files will be in > a consistent state when restored, but the OS itself is fairly sure to > work and databases and similar apps usually have their own ways to do > live consistent snapshots. > I find that LVM snapshots are useful to insure data integrity. for example, I backup my mysql databases by stopping the mysql server, taking an LVM snapshot and restarting it. The whole snapshot process probably takes less then 15 seconds. Then I backup the snapshot LVM and it doesn't matter how long it takes. You must make sure that your snapshot volume is large enough that you won't run out of space before deleting the snapshot. Nataraj ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] debugging RAM issues
On Wed, Mar 14, 2012 at 1:43 PM, Alan McKay wrote: > Well I did exactly what I'd done 3 months ago and found a faulty RAM chip > this time > > My guess is that back then the chip was still functioning some of the time, > and happened to be fine just when I was doing the tests. > > This time I found it fairly easily with a systematic approach. If you were running software RAID1 on that box, don't trust anything on the drives now. Maybe even if you weren't, but it is especially weird when alternate reads randomly revive bad data that you thought had been fixed already. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] mount NFS share over specific nic?
I have 4 nics each on all the servers (DL385-G7 for FreeNAS and 4 x DL585-G7s) so dedicating a couple for NFS traffic on their own subnet is no problem. We may even go for 10gig on the nfs if the performance increase can be justified. --Russell > -Original Message- > From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On > Behalf Of Les Mikesell > Sent: Wednesday, 14 March 2012 5:28 p.m. > To: CentOS mailing list > Subject: Re: [CentOS] mount NFS share over specific nic? > > On Tue, Mar 13, 2012 at 10:42 PM, Smithies, Russell > wrote: > > I suspected some subnetting would be involved but hoped I could get away > with different IPs on the nics. > > Might have to get the networking books out, it's not my strong suit > > :-( > > If you look at network addresses and subnet masks in binary it is easy to see > how routing decisions are made. But you don't need to do that, you can just > use a subnet chart or stick to /24 ranges where the first > 3 octets are different for different subnets and you netmask is > 255.255.255.0.But first you need to decide what you want to do - > will both the server and clients have separate NICs for NFS? That makes it > easy - use a different range, hook them to a different switch and you are > done. Bonus, you can restrict the sharing to that set of addresses for > security > - and maybe use jumbo frames. > > -- >Les Mikesell > lesmikes...@gmail.com > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos === Attention: The information contained in this message and/or attachments from AgResearch Limited is intended only for the persons or entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipients is prohibited by AgResearch Limited. If you have received this message in error, please notify the sender immediately. === ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] debugging RAM issues
On 03/14/12 12:16 PM, Les Mikesell wrote: > If you were running software RAID1 on that box, don't trust anything > on the drives now. Maybe even if you weren't, but it is especially > weird when alternate reads randomly revive bad data that you thought > had been fixed already. and the worst part is, even if you found mismatching blocks on the mirrors, there's no way to know which one is the 'good' one, as there's no block checksumming or anything like that with conventional RAID. this is a major reason I *insist* on ECC for any sort of server other than a lightweight home system. ECC memory will detect bit failures so you KNOW something is funky. this is also a major reason why RAID is *not* a substitute for backup, its ONLY about availability. -- john r pierceN 37, W 122 santa cruz ca mid-left coast ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] mount NFS share over specific nic?
I'd really recommend a different subnet for your disks I'm currently in the process of trying to get my network there in the job I just started 4 months ago -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food" ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] debugging RAM issues
On Wed, Mar 14, 2012 at 3:16 PM, Les Mikesell wrote: > If you were running software RAID1 on that box, don't trust anything > on the drives now. Maybe even if you weren't, but it is especially > weird when alternate reads randomly revive bad data that you thought > had been fixed already. > > No worries, it is a disposable compute node and not even RAIDed. In a pinch I could reinstall from scratch and my network would not skip a heartbeat But thanks for the heads up - something to think about for my big iron server :-) -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food" ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] debugging RAM issues
On Wed, Mar 14, 2012 at 2:35 PM, John R Pierce wrote: > On 03/14/12 12:16 PM, Les Mikesell wrote: >> If you were running software RAID1 on that box, don't trust anything >> on the drives now. Maybe even if you weren't, but it is especially >> weird when alternate reads randomly revive bad data that you thought >> had been fixed already. > > and the worst part is, even if you found mismatching blocks on the > mirrors, there's no way to know which one is the 'good' one, as there's > no block checksumming or anything like that with conventional RAID. > > this is a major reason I *insist* on ECC for any sort of server other > than a lightweight home system. ECC memory will detect bit failures so > you KNOW something is funky. I _thought_ the server where I had this problem was supposed to have had 1-bit error correction and I also thought that if the error couldn't be corrected with ECC it was supposed to crash instead of continuing. But maybe it had the wrong kind of RAM installed or something that disabled the ECC. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] rpm configuring /etc/hosts file
Hello Group, I am having some problems in my /etd/hosts file, where unwanted matching appears between IP addresses and hostnames. Could someone please tell me, which is centos rpm, which configures /etc/hosts file. Thanks in advance nagrik ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 5 Testing repo
Am 14.03.2012 02:46, schrieb Johnny Hughes: > > If you absolutely HAVE to have 5.2.x, I would recommend these: > > http://rpms.famillecollet.com/ > > (he has a 5.2.17 version, the latest 5.2.x version) > > I am pretty sure that they (php.net) are not releasing security updates > for the 5.2.x series any more. > > Therefore, your best bet is to use either the 5.1.6 version from c5 (Red > Hat backports security updates to this, so from a security standpoint it > is better than 5.2.17) ... OR ... use the php53 from c5. Unfortunately it seems that PHP code written for 5.2 won't necessarily run on either 5.1 or 5.3. I'm not a PHP expert myself but my PHP-savvy colleagues and customers unanimously tell me so. So what's a poor web server admin to do? I am doomed to keep around one webserver with PHP 5.1, one with PHP 5.2 and one with PHP 5.3, only hoping one of them will have been deserted by the time PHP 5.4 is released. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] rpm configuring /etc/hosts file
On Wed, 14 Mar 2012 14:34:53 -0700 Vinay Nagrik wrote: > Could someone please tell me, which is centos rpm, which configures > /etc/hosts file. rpm -q --whatprovides /etc/hosts setup-2.8.14-13.el6.noarch -- MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com www.creekfm.com - FIFTY THOUSAND WATTS of POW WOW POWER! ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS Server Backup Options
Am 14.03.2012 03:05, schrieb Nataraj: > I would have to dig up some references, but I have read some articles > that claim that the reliability of a drive that is in full time > operation in a server, running 24hrs/day and maybe even seeking under > heavy load is way different than a drive that you run for a day or two > and then it sits in an environmentally controlled storage, powered down > for most of its lifetime. At least from what I read, the failure rate > is much lower for the same drive used under the later conditions. OTOH I remember reports about drives failing to start after having been powered off for extended time periods. Something about heads sticking to platters or somesuch. Though I don't know if that information still applies to current drive technologies. signature.asc Description: OpenPGP digital signature ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS Server Backup Options
On Wed, Mar 14, 2012 at 6:27 PM, Tilman Schmidt wrote: > Am 14.03.2012 03:05, schrieb Nataraj: >> I would have to dig up some references, but I have read some articles >> that claim that the reliability of a drive that is in full time >> operation in a server, running 24hrs/day and maybe even seeking under >> heavy load is way different than a drive that you run for a day or two >> and then it sits in an environmentally controlled storage, powered down >> for most of its lifetime. At least from what I read, the failure rate >> is much lower for the same drive used under the later conditions. > > OTOH I remember reports about drives failing to start after having been > powered off for extended time periods. Something about heads sticking to > platters or somesuch. Though I don't know if that information still > applies to current drive technologies. Some high-density tapes will fail if you drop them on the floor. I think we can all agree that any media type has the potential to fail, which is why we use multiple copies on different physical media, so if one fails you still have another one. If you are storing all of your backups on a single tape/disk/cd/dvd/bd/holocube, you are doing it wrong. Is this horse dead yet? ❧ Brian Mathis ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] rpm configuring /etc/hosts file
On 03/14/12 2:34 PM, Vinay Nagrik wrote: > Could someone please tell me, which is centos rpm, which configures > /etc/hosts file. vim (or any other text editor of your choice). -- john r pierceN 37, W 122 santa cruz ca mid-left coast ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] postfix spam question for the gurus
Hello, I have a question about postfix. I have a few webservers, each with their own mailing system. Obviously manually adding items can be quite tedious going from one to another to another. I am in the process of making a list of domains (commercial spammers) that bother me. My idea is to use the access file to reject them. My question is this... Can I make a text page on one of my html servers that lists all these bums and reference that file in the postfix smtpd restrictions (probably as regex or prce instead of hash)? This way I only have to make one big page of them. And I can add a 'you be blocked m.f. because of spamming me on the page so they can learn how to get unlisted. can this be done or do I need to make my own rbl list (obvously limited to just my sites).? I would think I could just reference a remote file as easily as a local file? -thanks bob ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] postfix spam question for the gurus
On 03/14/2012 04:56 PM, Bob Hoffman wrote: > Hello, > I have a question about postfix. > I have a few webservers, each with their own mailing system. Obviously > manually adding > items can be quite tedious going from one to another to another. > > I am in the process of making a list of domains (commercial spammers) > that bother me. My idea is to use the access file to reject them. > > My question is this... > > Can I make a text page on one of my html servers that lists all these > bums and reference > that file in the postfix smtpd restrictions (probably as regex or prce > instead of hash)? You can use postfix database format that is compiled into your version of postfix. Run 'postfix -m' to display what formats your system supports. See "man regex_table" for the format of the regex files. I would be careful about where in the file system your postfix server is reading configuration data from. I like to keep my config files in a secure place, in a system directory. Nataraj > This way I only have to make one big page of them. And I can add a 'you > be blocked m.f. because > of spamming me on the page so they can learn how to get unlisted. > > can this be done or do I need to make my own rbl list (obvously limited > to just my sites).? > I would think I could just reference a remote file as easily as a local > file? > > -thanks > bob > ___ > 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] t-bird, followup
On 03/13/2012 08:14 AM, m.r...@5-cent.us wrote: > Well, I updated my system late last week, and just thought to look: yes, > I'm on t-bird 10.0.1, and I pull up the search messages window, and click > on the dropdown... and there is NO OPTION to search the content of the > messages. > View => Toolbars => Quick Filter Bar will do what you want... Using T-Bird 10.0.2 here, clicking on the account name and then choosing "Search Messages" offers a pull-down entry for 'body', so I don't know what your issue is. ;-( -- KevinO ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
