Hey guys,
Where is a good place people here have used with luck to find devs interested
in work?
I have a simple need involving an Axis M1031-W Camera I need an interface
programmed
for...
Thanks!
jlc
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Does anybody have a sample iptables config file that would incorporate
NAT and forwarding for a simple router?
Turn on ip frwding in sysctl.conf:
net.ipv4.ip_forward = 1
Then rules something like this (Tune for your needs):
# Accept packets belonging to established and related connections
I am trying to mirror a directory using wget and the resulting files as
expected are taking the name of the string in the url after the last /.
Anyone know a way around this? I am using the mirror option so I don't
have to keep track of what to get making it simple.
Thanks!
jlc
I am having a bit of trouble parsing what you wrote,
Ok, the exact use is the mirroring of vm directories on an esxi
server over to a centos storage server.
The vm's folder url is:
https://10.0.0.61/folder/vm-name?dcPath=ha-datacenterdsName=Datastore_2
for example.
When it begins mirroring it,
That requires co-operation from the remote end to set up an
anonymous rsync server .. doable, but as I understood the
scope of work, not within it
Well, doesn't need to be anon, but none the less I am SOL wrt
to ftp or rsync as none of these daemons run locally on the
host.
Someone pointed me
I'm currently trying to install centos 5.4 x86-64bit on a raid 1,
/snip
So when you were asked where to install the boot loader, what did you choose?
Everything looks fine...
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Try something like this:
Grubdevice (hd0) /dev/sdb
Grubroot (hd0,0)
Grubsetup (hd0)
His syntax shows the installation from within a grub prompt which is right,
Yours looks more like what you use with grub-install. Regardless, his approach
is how my kickstart has been doing it for years with
Did you try the HP Insight Diagnostics from the SmartStart CD?
It was 3 faulty discs, heat aggravated such that it wasn't easy to diagnose.
Fixed...
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Tonight I have to boot a diskless server with iLO and dd a remote image
available by ssh
onto a usb key. As there is no local place to store the image, whats the most
efficient
cmd to push the image from the remote server using ssh into the local pipe
pushing out
to `dd of=/dev/sdx`?
Would a
dd over ssh should be a sure thing. If you do a lot of image copies remote or
otherwise you might want to try clonezilla-live. It knows enough about most
file systems to only copy the used blocks and can access the image store with
smb, nfs, or ssh.
Yeah not lots, just an esxi update...
I'll
I have an HP Server w/ a Smart Array controller I need to test. I always
used to use Inquisitor for this, but the hd tests are flaking out on the
cciss syntax and I don't have time to dig into it, the machine is essential
and I need to know whats needing to be replaced asap.
Anyone know a live cd
I have an HP Server w/ a Smart Array controller I need to test. I always
used to use Inquisitor for this, but the hd tests are flaking out on the
cciss syntax and I don't have time to dig into it, the machine is essential
and I need to know whats needing to be replaced asap.
Anyone know a live cd
What is a program supposed to do to get at that extra RAM then ?
Just curious ;-)
AFAIK, it must be specifically compiled for it...
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I need to implement a solution and not having ever used anything but
MS Project I would be grateful for a reco on something good. The only
hope would be that its web based but I am open to anything!
Thanks!
jlc
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Do you mean something that is group based, that you want to run on a centos
server,
or something to run on a desktop for just yourself, because there is a bit of
a distinction.
Group based, something I can put behind apache on a CentOS box but either way,
so
long as its group based I can work
It depends on what you are really trying to do. If you want to do
timelines and Gantt charts for management views, planner is probably
good, but if you want more low-level, direct access to something like
software coding you'd want to glue together a version control system and
bug/feature
As for the cluster itself, that is, the stack underneath the
applications, it is not too hard to setup. Install the clustering group
and then configure the '/etc/ais/openais.conf' file and the
'/etc/cluster.conf' file. Of course, how to do that is a bit bigger
question.
Clustering in RHEL
Hi, pardon me for jumping into this thread midway. I've been looking
at the cluster thing, being still lost as to what/how exactly so would
like to know what are the reasons you choose to roll your cluster
using this approach instead of using something like Eucalyptus?
We aren't rolling our own,
to add something i don't want to use RHEL because of the license fees.
I just would like from you please to give me the roadmap to follow it.
Hence the reason you are in a CentOS list? We also have RHEL's cluster
software which is obviously robust, to say the least. Their mailing list
is active
On another list I'm told there is a newer HP PSP version
that comes with an installer so all this may be moot.
Brandon,
Check the itrc forum, the PSP Developer participated in a
thread with myself and another user and cleared up a good
chunk of info wrt the psp.
Not only does the new installer
I'll create a new lvm logical volume, create a file system, and restore from a
level 0 dump taken from a lvm snapshot just before things broke.
Ok.
The part I'm not certain about is the grub voodoo to get the system to boot to
the lvm with the restored root file system.
Look at
Whether I like it or not I need to get a version of PHP that is greater than
5.2.1
http://blog.famillecollet.com/pages/Config-en
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This seems like duplication of effort with the CentOS people, since they
already package DRBD for CentOS 5.x (and it works very well).
No its not, the CentOS packages are no longer maintained...
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http://dev.centos.org/testing/ tells me something else (and yes, this
time they will go into extras).
Well, we talked about it for some time and I never saw an update to
the effort someone made (my bad? I must have missed that). Couple
this with the concerns posted by Dag that motivated him to
Has anyone looked at using icinga ?
The forums are nearly dead, doesn't look like much of the Nagios
folk jumped ship yet. Archives show next to no activity.
Frankly, if I am migrating away from Nagios, I would likely be compelled
to put any effort into a significant improvement like Zenoss or
I have to rebuild a new Nagios box and thought this might be a good time
to migrate away. I use snmp mostly for everything but with the fork Nagios
endured I wonder about putting any more effort into the project.
I probably should look at OpenNMS again, but the other options I think might
work
I am a pretty hardcore ZenOSS user.. We use it to monitor over 1000
devices in different fashions - using a combination of SNMP (Linux), WMI
(windows) and SSH (Unix/Aix). While there is a slight learning curve to
get everything working the way you want - it is, in my opinion, the most
powerful
It depends on what you are doing, but if it is mostly snmp data
collection and icmp/tcp application monitoring, OpenNMS will probably do
it out of the box with autodiscovery and no client setup. If you have
lots of custom nagios client code, you'll probably have to twiddle some
ugly XML
Two, hours of attempting to get cacti to work have led me to be
underimpressed with the whole project.
That's odd because other than the usual php version issues I've always
considered cacti to be the easiest of the graphing tools to get working
- but I haven't tried the most recent versions.
I am just trying to consider my options for storing a large mass of
data (tens of terrabytes of files) and one idea is to build a
clustered FS of some kind. Has anybody had any experience with that?
Any recommendations?
You haven't actually stated whether you want the backing devices distributed
18:03:00 : -- Finished Dependency Resolution
18:03:00 : xine-0.99.5-1.el5.rf.i386 from installed has depsolving problems
18:03:00 : -- Missing Dependency: libcucul.so.0 is needed by package
xine-0.99.5-1.el5.rf.i386 (installed)
18:03:06 : Error in Dependency Resolution
18:03:06 : Missing
I went to the CentOS documentation page (http://www.centos.org/docs/5/)
looking for some documentation on 5.5 but was surprised there is nothing there
post-5.2. Is there another place I should be looking?
Get all you need here:
http://www.redhat.com/docs/manuals/enterprise/
I thought to have tested this a while ago but I guess not.
Ok...
I have a Centos 5.3 system (call its SYSA) software raid 0, 2 disks.
So a strip? Did you mean Raid 1 (Mirror)?
I have an identical system (SYSB) else were, so I pull one of my
mirrors drives from SYSA and put it in SYSB as the
According to http://www.rpm.org/api/4.4.2.2/specfile.html a
Version: tag can contain a hyphen, as the tarball for the source
I am compiling is named 2.3-pre4 etc.
When I try to build it I get an error about the illegal char?
Anyone know about the discrepancy between the docs and RHEL's
rpmbuild?
Ok Special Attention here:
Requires(rpmlib): rpmlib(CompressedFileNames) = 3.0.4-1
rpmlib(PayloadFilesHavePrefix) = 4.0-1
Checking for unpackaged
file(s): /usr/lib/rpm/check-files /var/tmp/inotify-tools-3.13-3.el5-root-ethan
Wrote: /home/ethan/rpmbuild/SRPMS/inotify-tools-3.13-3.el5.src.rpm
ehh?
Names must not include whitespace and may include a hyphen '-'
(unlike version and release tags).
That is, version and release are UNLIKE name. name MAY have a
hyphen. by inference (and as you have seen), version and
release may not.
Heh, well I had my head so far up my
The HP t5545 looks right for size and
price, but I can't tell if it could support displaying arbitrary X
apps.
Have a look at Thinstation, it's pretty well designed from the start
and that broadens your choice of hw to just about anything really. I
have used it on a variety of platforms and
I'm sorry if this is a quick dumb one, but how does one install ip6tables?
Heres a hint:
yum list iptables\*
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I found, something like that
echo 0 0 0 /sys/class/scsi_host/hostn/scan
but it found only sda disk which is already running..
Just for your light reading on this matter:
http://www.linuxjournal.com/article/7321
Good article outlining that usage...
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Anyone here supporting Openbravo in CentOS, opinions or comments
wrt how it runs or nuances from the os side would be appreciated!
Thanks,
jlc
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It is writing an inode every 10 seconds. (1621 inodes in total)
It is a recent Seagate sata HD.
MB=Jetway J7F5M1G2E-VHE-PB
Not at all surprising on that mobo, u really need CentOS
on that puny thing?
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Meanwhile, on the switch (ssh'ing in, but I need to get the serial port
working so I can get a newer version of the firmware there (what's there
is *ancient*), show console reports flow control as xon/xoff
If you have ssh access, why are you trying to use a serial console for
firmware
Because I was trying to avoid setting up a tftp server. Because it
*should* have been no big deal.
/me ducking...
Just how long you been avoiding a simple `yum install tftp-server`?
Mark buddy, I think its Miller time:)
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avg-cpu: %user %nice %system %iowait %steal %idle
0.260.00 99.740.000.000.00
What options exist in your bios for that controller? That's
rather high %system:)
But it is a rather small proc...
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Why is my SATA drive showing up under /dev/hdb?
That was my hunch:)
Config your bios to use AHCI, not compat/ide/or whatever
mode it's in now...
Watch your fstab/initrd(if custom) if you boot off this disc.
If you are using default lvm/initrd, you'll be ok with a change
like this.
May be a Fake RAID rather than true hardware raid. See
*Is* fake raid onboard, you need the correct chassis midplane
w/ the associated DIMM to enable the LSI chip based hardware
raid.
I don't realy know
if it is either a good SW or HW RAID but my boss doesn't want me to use
Linux RAID
should I buy some chipset or is it totally Software or using the
hardware I had already ?
Well, I don't what chassis you bought with it, and whether or not
it has the applicable midplane? Do you?
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None of my CentOS servers that are up to date recognize :set backup?
A strace shows no mention of it, the backup never gets created, what
am I missing here, anyone know if something changed that affects the
backup behavior?
Thanks!
jlc
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Works for me.. Maybe you have backupdir set someplace else?? I just
tried with fully updated 4.8 and 5.5 systems..
Odd, even with backupdir explicitly set, it doesn't make a copy?
It's getting disabled someplace as strace doesn't indicate any
mention of it.
Can you dump your current configuration?
Sure, on one machine:
:set
--- Options ---
background=dark history=50 incsearch scrolloff=5
smartcase viminfo='20,50 t_Sf=^[[3%dm
backup hlsearch nomodelineshowbreak=
Nothing jumps out.. What specific version are you running? selinux enabled?
vim-enhanced-7.0.109-6.el5
vim-common-7.0.109-6.el5
vim-minimal-7.0.109-6.el5
No selinux. Odd, it was working on all the systems until recently?
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Same versions as me.
Check filesystems for space? Temp dir? Maybe try cleaning out your
.vimrc to see if some cruft in it? Also check /etc/vimrc for
changes.. Maybe even re-install or check to see if the packages have
been corrupted?
All the systems exhibit, space is good etc. Even w/o a
I've never had a problem doing that.
Seems logical:)
I have one large kickstart with repo's/urls defined for both x86
and x64 and I swap comments when applicable. The times I forget
and boot the wrong iso, it never works (which I always just assumed
was expected)...
Check to see that you have the lastest (R1.3e??) BIOS on your MB.
I doubt very much that has anything to do it with.
Centos 5 is not Fedora 11 or whatever... It just may be 'that' server
on 'that' monitor...
try http://kbase.redhat.com/faq/docs/DOC-16038
Running the VMware converter
tool from an old Dell Win2k server with an IDE disk to produce an ESXi
image went through the motions but the image wouldn't boot - but doing
the same thing to a vmware server (v1) image file over a network share
worked. Has anyone seen that before?
Never used
Hey I did appologise! We do use that feature of outlook internally, and
if I reply to a html post, outlook will do that by default.
I already know the fix - To use my gmail account instead of my work
email account for this mailing list.
Dan,
You can force outlook to txt mode if you want, you
rsync'ing ain't working for me. Is this the right syntax?
rsync -avrt rsync://mirror.ovh.net/centos/5.4/updates/i386
--exclude=debug/ updates/
rsync: getaddrinfo: mirror.ovh.net 873: Temporary failure in name resolution
how could i add / remove iptable rules on cet os 5.4 final for tcp / udp base
on ports
Wow Cahit, you are a sucker for punishment buddy:)
First, post in text, then do a smidge of reading first...
`man iptables` or google?
I am guessing your iptables are stock as install left them? You might try
Thanks also i found this editinig the : edit /etc/sysconfig/iptables is a
good way for solution
problem solved thanks for everybody's attention
I guess you missed the second line of text in that file, so probably you
will be oblivious to it having changed when it does:)
how or why i have redesigned it to this and it seems like worked :
Post your ip and root user/pass, we'll fix that and your mail client:P
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I'm leaning pretty heavily in this directly actually, just given how
little progress I'm making with CPAN itself. Next step I guess is to
see if all my packages are available in RPMs.
rpmforge has a lot, the only pain you might encounter is the circular
dependency hell you sometimes encounter
i want to pause my cent os time and date in a spesific date :D is it possible
?
Time stands still for no one...
You can reset it (often if need be), but the clock has more than an aesthetic
role
for the user, it can't be paused. I _wonder_ why you need to do this?
It needs to be set back 10 days every ten days? I'd say you have a real
problem with your algorithm.
I'd love to have to read his logs:)
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nope , i just need to start the time from june to july on 2009 :D there is
nothing else ,
just a trick of an brilliant idea in my opinion for my network :D
Famous words:) heh...
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I've never used any wiki engines myself. Is there any one you can
recommend in particular ? I'm using CentOS 5 on the server, so I would
be glad to use a solution where I don't have to jump through burning
loops (e. g. install a more recent version of PHP/Python/whatever) to
make it work.
I
The main problem with 3rd party repos is that you have to be careful about
updates causing dependency conflicts, especially if you use more than one.
You've mentioned that before, doesn't 'priorities' resolve this nicely? I
use c5-testing, rf, atrpms, epel, remi and some others and never have
We had to trunk the 4 internal switches for the install, then we had to...
Actually all you had to do was utilize ks config params for this scenario.
See the link I posted earlier or read the ks deployment chapter.
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Anyway, I want to be able to script the installation of a bunch of
CPAN modules, and the first basic problem I am coming up against is
that the cpan command seems to always return 0 regardless of whether
or not the install completed.
While I can't answer that, I might try to actually call a Perl
Hmmm, good point - I could do that. I've come across several methods
of checking module versions and none of them seemed perfect to me.
Can you recommend a method?
Well, depends if you are in Perl, or bash, but really something as simple
as:
perl -e 'use HTML::Parser;'
echo $?
Aside from the
How can I force the internal NICs to be eth0 and eth1?
Edit the hardware address in the ifcfg-ethx scripts and the ips
of the nics in question to be on the subnet of choice and
arrangement of choice. Add a route statement or I think placing
your gateway line in the eth cfg script should do
The eth? names are assigned in more or less random order at bootup
Not exactly random but not always as expected:)
http://linux.dell.com/files/whitepapers/nic-enum-whitepaper-v3.pdf
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Nice paper by Michael.. What I do is disable all the nics in the bios
via console rdir of drac 3 -5. Enable one at a time to install then
enable the other integrated nics. Then have the the other nic hardware
installed. Can also be done remote or local. It eases the frustration.
Then you have
What do people recommend for building this? What would have the quickest
power-on-to-ready time?
Well, you could use thin station, I have used it in the past and its pretty
slick...
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I would like to build a 12-15 TB RAID 5 data server to run under
ContOS. Any recommendations as far as hardware, configuration, etc?
This comes up often:)
Things to keep in mind when using large discs if you suffer a failure,
while rebuilding in a degraded state it's not impossible or unlikely to
Unless you have a good storage system..
a blog entry I wrote last year:
http://www.techopsguys.com/2009/11/24/81000-raid-arrays/
Another one where I ripped into Equallogic's claims:
http://www.techopsguys.com/2010/03/26/enterprise-equallogic/
Lol, Nate...
The op was looking at spending a few
A while back I posted a question in the Linux-Cluster list
and never got a reply. I am hoping maybe someone here has
any insight?
I have a service that I have changed the default from restart to relocate.
Now I need to add one more script resource to it, but this script resource
is not essential,
but I'm sure it is Proprietary and they won't release an SRPM
to me.
nautilus-dropbox is glp'ed, the source is right below that rpm you downloaded.
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I have two needs that require offsite hosting now, anyone know
offhand of any of the unlimited storage/bandwidth vendors that
exist now that allow remote scp|rsync access to the data, not
just in shell scp use?
I'm hunting around and its apparently hard to get a straight answer...
vps or
I'm trying to import in image into Cobbler (working with this:
https://fedorahosted.org/cobbler/wiki/UsingCobblerImport) but keep on
getting the following error:
total size is 322467472 speedup is 1.00
rsync error: some files/attrs were not transferred (see previous
errors) (code 23) at
This isn't a complete answer, but a possible approach: I'd use a named pipe
on the destination host. Here's a little experiment to demonstrate.
[u...@dhost temp]$ mkfifo pipe
[u...@dhost temp]$ while true ; do ` pipe` ; done
Now, in another xterm:
[u...@dhost temp]$ echo date pipe
[u...@dhost
Hey guys,
messing around with a snippet from a mailing list post,
#!/bin/bash
mkfifo -m 666 /var/spool/my_fifo
exec 42 /var/spool/my_fifo
while true
do
while read -t 5 data 42
do
echo data is ($data)
done
echo read again
done
What happens to
Works fine for me. Define short while (to a geologist, that could be a
few millenia). What is the exit code when your script does terminate?
Lol, yeah that was a little weak on my part...
It ran for about a minute.
I am not sure what caused the non 0 exit, I made a new condition based
on a
If you could explain a bit more in detail it would be a lot clearer on
what you really want. The drawback is if you cron job it on every node
you must have a precise time server for ntp on the local subnet or your
effectively PPPing in the wind.
John,
They all mirror to this one file server
Dear list admin,
I'm really fed up with being treated regularly as a spammer and having
to unsubscribe every week from the spammer blacklist on the online form.
Dear Niki Kovacs,
Breath, once your calm, read:) The host that you send from is on an rbl
for obvious reasons once you see the
This could be of some help:
http://www.theillien.com/Sys_Admin_v12/html/v14/i08/a8.htm
Chris,
After looking everything over, I'd love to use a high power scheduler for
this but it's such overkill. The fifo idea fits perfectly, and it seems this
script has done the heavy lifting already.
Thanks
Amazing! So as a malicious employee, all I have to do is run a DHCP
server that dishes out host names with the adress leases and then AD
will be ruined as DNS records will be wrong and computers won't match
their accounts in AD?
Of course not for cripes sakes, the op doesn't realize his windows
How would I write I want to find 'CP_', but NOT instances of 'CPLAT::CP_'?
What comes before 'CP_' when you want a match? Whitespace, other chars, is it
just 'CPLAT::CP_' you don't want?
Anchor the search on that criteria, like a negated group before the 'CP_' or
at least one of 'whitespace' for
Yes whitespace always.
[r...@dev ~]# echo CP_ | egrep -e \ CP_
CP_
[r...@dev ~]# echo CPLAT::CP_ | egrep -e \ CP_
[r...@dev ~]#
So what I am doing is a massive replace. So this grep will allow me to see how
many instances still need to be replaced.
I am replacing CP_ with CPLAT::CP_ and when
White space could be a tab. '[[:space:]]CP_' should work, but why not use sed
and be done with it.
Yup, you got me on that oversight:)
What app are you using Jason?
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cssh (ClusterSSH) anybody?
Nope, this is for the exact opposite scenario. I am not replicating
the same command to many, I am job queuing multiple different commands.
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I dont quite get clearly what it is that you are looking to achieve
here, but rather than cron - have you considered a more adept job
scheduling / orchestrating tool ? there are some very nicely done open
source ones out there.
I have a filesystem that mounts only on the active node of an
I have a server with a stock install scheme with the exception that /boot and
/ are on two md raid 1 mirrors over two discs.
I need to remove those two large discs and replace them with smaller discs.
Given the lvm over md, and big to small scenario, anyone know any automated
app that can do
Even if there is a way to do a live migration, it's probably faster and
safer to just build a new raid with or without lvm and copy the stuff
over. You'll just have to reinstall grub on the new disks to make them
boot.
It needn't be live, I just haven't seen an app like clonezilla that can
go
Should work:)
Crap, forgot about the size difference, I can't online resize ext3 down
to occupy less space:/
Bah, I'll just redeploy...
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If I were doing it, I'd forget lvm on the new drive and just make the md
devices, mkfs them, mount them somewhere temporarily, copy stuff over
with 'cp -a', 'tar | tar', 'dump | restor', 'rsync -av', etc.,
edit fstab to mount the new md devices for / and /boot, fix grub and
swap the drives. If
Anyone know how to submit jobs to at or anything else that allows jobs
submitted to a queue to be executed consecutively?
I have a series of servers that submits a job via an ssh background
job but I can only have one execute at any given time.
Possibly some clever bash work?
Thanks!
jlc
Are you looking for a real job scheduler? If so, it might be overkill,
but you might want to look into software like Sun Grid Engine, Torque,
or Condor (there are quite a few other schedulers out there). If those
aren't what you're hoping for, perhaps you could give more details about
what
A lot of the work after Fedora 6 seemed to revolve around making
single-user desktop type access more convenient at the expense of more
general purpose server concepts - and making it boot quickly which isn't
a big priority on boxes that run all the time. And some things even
when not
I run Fedora on servers at home without any issues.
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Hi all,
Is it possible to send mail from CLI (bash, python) without any LOCAL
SMTP installed, using SMTP on another machine.
Care to give a glimpse of the code?
Thank you.
But of course, just cause the smtp server you are pointed at initially
is local, interpret that as 127.0.0.1. So point to
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