Re: [gentoo-user] USE ruby_targets_ruby20
On 2013-11-15 5:18 PM, Alan McKinnon alan.mckin...@gmail.com wrote: On 15/11/2013 23:58, Tanstaafl wrote: Now, the question is, what the heck is thin-provisioning in lvm2, am I using it, and if not, do I need it? I'm pretty sure I'm not using it, but how to be sure? Google for thin-provisioning+in+lvm2, first three hits. In a nutshell, you can define an LV without actually allocating the storage yet that you are not using, it gets allocated on demand if you will. It's similar in concept to the general idea behind sparse files, lazy initialization, fixed size vs dynamically allocated disks for VMs and do on: allocate a resource only when you need it. This lets you over-commit storage space as much of it is not being used in practice. If you use thin provisioning, you already know it. There are steps you must take to put it to use. Thanks Alan... But fyi, my last questions were more just me talking to myself... of course my google-fu is fairly strong, and like you I found all of my answers this morning when I searched... I chose not to use thin provisioning in vmWare because I just don't like the idea... maybe irrational, because I do see the advantages. I'd be curious to learn if anyone here uses it with lvm, and what their experience has been - especially, are there any gotcha's to watch out for? But for now, to rebuild my kernels without lvm thin provisioning (it is enabled) and emerge -C thin-provisioning-tools...
[gentoo-user] Thin provisioning with LVM
Just wanted to start a new thread about this... Would appreciate any responses from anyone using this... Why did you choose it? What has your experience been? Any problems? If so, how did you overcome them? If you had to do it all over again, would you still use it? If so, would you do anything differently? It appears that the best use scenario may be for cloud hosting providers like Linode - and they of course would also benefit greatly from the new systemd init system (which was funded/designed by RedHat primarily for this specific use case).
[gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
Hi all... I'm a little confused by something... If I change the MAILURI in make.conf from the default, ie: #PORTAGE_ELOG_MAILURI=root /usr/sbin/sendmail PORTAGE_ELOG_MAILURI=recipi...@example.com sender:pas...@smtp.example.com:100587 I'm guessing portage still uses /usr/sbin/sendmail, but using the above defined credentials? The reason I ask is, I have a new system I've been working on that will eventually replace my old mail server. I'm getting close, but now I'm tweaking a few system logging and reporting things, and while my system successfully sends emerge logs with the above, cron job emails are not successfully sent, and I get a message in the logs about my client being rejected (not allowed to relay), which is as it should be. I think all I need to do is figure out how to tell cron to send emails the same way as portage using sender:pas...@smtp.example.com:587 (using TLS), but alas, my google-fu is failing on this one... I can't find a single mention anywhere of alternate examples of sending emails with cron, much less using sender:passwd@host:587 syntax... So... anyone? I can't imagine it isn't possible... ?
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On 2013-11-16 9:05 AM, Tanstaafl tansta...@libertytrek.org wrote: Hi all... I'm a little confused by something... If I change the MAILURI in make.conf from the default, ie: #PORTAGE_ELOG_MAILURI=root /usr/sbin/sendmail PORTAGE_ELOG_MAILURI=recipi...@example.com sender:pas...@smtp.example.com:100587 I'm guessing portage still uses /usr/sbin/sendmail, but using the above defined credentials? Well... now I'm more confused... I just tested this by re-emerging something tiny and watching the logs... and there was *nothing* in the logs evidencing an email being sent (if it was using my postfix install, it would have been in the logs)... But, the email was still successfully sent/received by my other server. Wtf??? Does portage have it's own TLS capable MAIL binary/client?
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On Sat, 16 Nov 2013 09:05:52 -0500, Tanstaafl wrote: #PORTAGE_ELOG_MAILURI=root /usr/sbin/sendmail PORTAGE_ELOG_MAILURI=recipi...@example.com sender:pas...@smtp.example.com:100587 I'm guessing portage still uses /usr/sbin/sendmail, but using the above defined credentials? Not according to mail.conf.example # mailserver: smtp server that should be used to deliver the mail (defaults to localhost) # alternatively this can also be a the path to a sendmail binary if you don't want to use smtp So it uses SMTP by default, Python has standard libraries that make this simple, and only uses sendmail when you explicitly instruct it to do so. -- Neil Bothwick If nothing sticks to Teflon, how do they stick teflon on the pan? signature.asc Description: PGP signature
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On 2013-11-16 9:56 AM, Neil Bothwick n...@digimed.co.uk wrote: So it uses SMTP by default, Python has standard libraries that make this simple, and only uses sendmail when you explicitly instruct it to do so. Ok... so... the question remains - can I tell cron to send mail the same way?
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On Sat, 16 Nov 2013 09:59:09 -0500, Tanstaafl wrote: On 2013-11-16 9:56 AM, Neil Bothwick n...@digimed.co.uk wrote: So it uses SMTP by default, Python has standard libraries that make this simple, and only uses sendmail when you explicitly instruct it to do so. Ok... so... the question remains - can I tell cron to send mail the same way? You don't, cron sends mail via sendmail, to the recipient specified by the MAILTO variable in the crontab file. -- Neil Bothwick Keep your words soft and sweet in case you have to eat them. signature.asc Description: PGP signature
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On 2013-11-16 10:04 AM, Neil Bothwick n...@digimed.co.uk wrote: On Sat, 16 Nov 2013 09:59:09 -0500, Tanstaafl wrote: On 2013-11-16 9:56 AM, Neil Bothwick n...@digimed.co.uk wrote: So it uses SMTP by default, Python has standard libraries that make this simple, and only uses sendmail when you explicitly instruct it to do so. Ok... so... the question remains - can I tell cron to send mail the same way? You don't, cron sends mail via sendmail, to the recipient specified by the MAILTO variable in the crontab file. Thanks Neil, but... you said 'You don't'... not 'You CAN'T'... Can you elaborate on this? If this is not possible - why is it not possible? In other words, if portage can do it, why can't cron?
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On Sat, 16 Nov 2013 10:17:07 -0500, Tanstaafl wrote: Ok... so... the question remains - can I tell cron to send mail the same way? You don't, cron sends mail via sendmail, to the recipient specified by the MAILTO variable in the crontab file. Thanks Neil, but... you said 'You don't'... not 'You CAN'T'... Can you elaborate on this? If this is not possible - why is it not possible? In other words, if portage can do it, why can't cron? Well, it's possible, you just patch cron to add SMTP code so that it can send mail itself, rather than using the unix standard approach of doing its own job and passing other tasks onto programs designed for those jobs. Cron runs cron jobs, sendmail sends mail. -- Neil Bothwick A real programmer never documents his code. It was hard to make, it should be hard to read signature.asc Description: PGP signature
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On 2013-11-16 12:32 PM, Neil Bothwick n...@digimed.co.uk wrote: sendmail sends mail. And apparently so does portage... So, anyone care to venture a guess as to why the gentoo devs decided to implement their own smtp server just so portage could send emails all by itself, rather than requiring the installation of an MTA?
[gentoo-user] re: a couple of power management questions
I've been setting up power management on my HP compaq laptop using this article, http://www.gentoo.org/doc/en/power-management-guide.xml, as a reference. Just a couple of questions I thought I'd ask. (1). CONFIG_ACPI_VIDEO seems to be missing in the 3.10.17-gentoo kernel, but is available in 3.10.7-r1. for f in /usr/src/*/.config; do echo $f; grep CONFIG_ACPI_VIDEO $f || echo $?; done /usr/src/linux-3.10.17-gentoo/.config 1 /usr/src/linux-3.10.7-gentoo-r1/.config CONFIG_ACPI_VIDEO=y /usr/src/linux/.config 1 (2). I've got my current kernel set up to use the 'userspace' governor by default. grep ^CONFIG_CPU_FREQ_DEFAULT_GOV .config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y The settings below were set to use 'ondemand' by default, so I changed them to 'userspace' to correspond to the kernel setting above. Is that right, or should I have left it set to the original value, or set it to something else? /etc/laptop-mode/conf.d/cpufreq.conf s/ondemand/userspace/ LM_AC_CPU_GOVERNOR=userspace s/ondemand/userspace/ NOLM_AC_CPU_GOVERNOR=userspace Thanks.
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On Sat, 16 Nov 2013 09:05:52 -0500, Tanstaafl tansta...@libertytrek.org wrote: [...] I think all I need to do is figure out how to tell cron to send emails the same way as portage using sender:pas...@smtp.example.com:587 (using TLS), but alas, my google-fu is failing on this one... I can't find a single mention anywhere of alternate examples of sending emails with cron, much less using sender:passwd@host:587 syntax... So... anyone? I can't imagine it isn't possible... ? You're asking about cron, which is the wrong question. Run a local MTA and have it relay everything through the remote SMTP server. This is 3 lines in a Postfix configuration file [1] (only 1 line if you don't require authentication). Any MTA can do this, as it is a very common setup. Then all programs (not just cron) that use the sendmail binary or relay to localhost:25 will work automatically. [1] http://www.postfix.org/SOHO_README.html#client_sasl_enable -- Benjamin Lee http://www.b1c1l1.com/ signature.asc Description: PGP signature
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On 2013-11-16 2:29 PM, Benjamin Lee b...@b1c1l1.com wrote: On Sat, 16 Nov 2013 09:05:52 -0500, Tanstaafl tansta...@libertytrek.org wrote: [...] I think all I need to do is figure out how to tell cron to send emails the same way as portage using sender:pas...@smtp.example.com:587 (using TLS), but alas, my google-fu is failing on this one... I can't find a single mention anywhere of alternate examples of sending emails with cron, much less using sender:passwd@host:587 syntax... So... anyone? I can't imagine it isn't possible... ? You're asking about cron, which is the wrong question. No... I know all about running a local MTA. My real question is, why can portage do this (send emails without a local MTA installed)? Why did the gentoo devs decide to build an smtp client into it capable of doing TLS, instead of simply requiring an MTA to be able to email emerge logs?
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On Sat, Nov 16, 2013 at 12:03 PM, Tanstaafl tansta...@libertytrek.orgwrote: No... I know all about running a local MTA. My real question is, why can portage do this (send emails without a local MTA installed)? Why did the gentoo devs decide to build an smtp client into it capable of doing TLS, instead of simply requiring an MTA to be able to email emerge logs? They didn't. The smtp client is part of Python, not part of portage. If you're developing in Python, you just call Python's mail API and let Python take care of the mail, instead of calling the local MTA. Easier and faster development. Cron is written in C where you don't get mail functionality for free so it's easier to use the local MTA. -- Manuel A. McLure WW1FA man...@mclure.org http://www.mclure.org ...for in Ulthar, according to an ancient and significant law, no man may kill a cat. -- H.P. Lovecraft
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On 16/11/2013 19:42, Tanstaafl wrote: On 2013-11-16 12:32 PM, Neil Bothwick n...@digimed.co.uk wrote: sendmail sends mail. And apparently so does portage... So, anyone care to venture a guess as to why the gentoo devs decided to implement their own smtp server just so portage could send emails all by itself, rather than requiring the installation of an MTA? portage DOES NOT implement an MTA. From Neil's earlier mail: Python has standard libraries that make this simple, and only uses sendmail when you explicitly instruct it to do so That's about as simple as anything can get: one import, set up a few config variables, one function call and your mail gets sent. It's far easier than adding sendmail as a dep. Or look at it this way: You need python to run portage, therefore you already have basic mail sending capabilities already built-in. So use 'em -- Alan McKinnon alan.mckin...@gmail.com
Re: [gentoo-user] Thin provisioning with LVM
On 16/11/2013 15:20, Tanstaafl wrote: Just wanted to start a new thread about this... Would appreciate any responses from anyone using this... Why did you choose it? What has your experience been? Any problems? If so, how did you overcome them? If you had to do it all over again, would you still use it? If so, would you do anything differently? It appears that the best use scenario may be for cloud hosting providers like Linode - and they of course would also benefit greatly from the new systemd init system (which was funded/designed by RedHat primarily for this specific use case). Do you need to overcommit storage? On this question, if you need it then you are already very aware that you need it as you will have way too many customers and way too few disk drives. For all other general cases you do not need it, you just buy more (cheap in relative terms) drives. -- Alan McKinnon alan.mckin...@gmail.com
Re: [gentoo-user] Tell cron to send email using sender:passwd@host:587 syntax?
On Sat, 16 Nov 2013 15:03:57 -0500, Tanstaafl wrote: My real question is, why can portage do this (send emails without a local MTA installed)? I already answered that, it uses Python's smtlib (or something equivalent, I haven't checked). That's a core Python library and since portage depends on Python it can be sure the library is available, which isn't necessarily true of an MTA. -- Neil Bothwick 3 things happen as you age: 1) Your memory goes; 2) uh..um signature.asc Description: PGP signature
[gentoo-user] Lenovo X201 waking from sleep crash after 3.8.10 kernel
Hi, My computer crash when waking up from sleep. I just see black screen and then the computer boots up. This happens in every kernel after 3.8.10. kernel 3.8.10 works fine and the computer wakes up as expected. Can someone help me debug this issue? I'm using: GRUB_CMDLINE_LINUX=intel_pstate=disable Also tried: GRUB_CMDLINE_LINUX=intel_pstate=disable modeset=1 i915_enable_rc6=1 i915_enable_fbc=1 lvds_downclock=1 But it didn't change a thing. Thanks, Kfir
