/srv/irclogs.ubuntu.com/2011/05/08/#ubuntu-server.txt

ruben23hi guys any idea how do i install lame apps-- coz when i tried with my ubuntu server 10.04LTS -http://pastebin.com/gv8FfYBv00:53
ruben23any idea guys..?00:53
thugzclub2hi guys02:34
thugzclub2trying to log onto the amazon cloud to no avail...I have looked at https://10.cloud.ubuntu.com/faq/  but where do get the cloud VM ?02:36
L0C4LH05They guys, using ubuntu server 11.04, trying to setup isc-dhcp4 and I keep getting a segment fault03:10
L0C4LH05Tanyone around?03:12
arlesliehey everyone, any reason why /usr/sbin/dhcpd uses a lot of cpu and mem? after killing the process server load droped from 1.56 to 0.27 and mem usage went from 76% to 0%04:31
AlanWhat would be the recommended filesystem these days for a 6TB RAID5?05:03
Alanthis is for a home fileserver, so lots of big video files, small music files, reasonable amount of varied simultaneous access05:03
Alanbut also preferably something that doesn't just truncate all open files on power loss05:04
Alan(I actually had that happen with a FS once =( )05:04
Alanalso, i'm running 10.04, that might have some effect on the maturity of what's available in my kernel...05:05
gbear14275hello, I've run into a problem where /var/lib/ureadahead/debugfs is taking up all my system space as reported by df to the point that I can't upgrade or install new packages...  I've read it is just a reporting error... but how do I get rid of it.05:21
gbear14275ref: http://ubuntuforums.org/showthread.php?t=135078505:21
gbear14275http://ubuntuforums.org/showthread.php?t=167041105:21
gbear14275Is this the appropriate solution?  http://ubuntuguide.net/howto-fix-ureadahead-problem-after-upgrading-to-ubuntu-10-0405:24
JasonnI am running a bot, and it keeps telling me that it can't load a module05:32
JasonnI checked the module and everything seems to be fine with it05:32
Jasonnand I have the appropriate plgins installed.l05:32
uvirtbotNew bug: #779336 in mysql-5.1 (main) "package mysql-server-5.1 5.1.54-1ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1" [Undecided,New] https://launchpad.net/bugs/77933606:01
uvirtbotNew bug: #779356 in ipsec-tools (main) "racoon and iPhone workaround" [Undecided,New] https://launchpad.net/bugs/77935608:11
uvirtbotNew bug: #779362 in php5 (main) "package libapache2-mod-php5 5.3.5-1ubuntu7.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128" [Undecided,New] https://launchpad.net/bugs/77936208:32
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ikoniafor the record Bacta is banned10:12
ikonianothing has changed with him10:12
eagles0513875O_O10:19
uvirtbotNew bug: #779391 in exim4 (main) "CVE-2011-1764: format string vulnerability" [Undecided,New] https://launchpad.net/bugs/77939110:21
volkan_Hey! I'm running an ubuntu lucid webserver configuration and switched from mod_php to mod_fcgid to benefit from apache's mpm_worker. The server response is better than under mod_php but under load it performs worse and my error.log keeps being flooded with notices like this: [Thu May 05 12:16:37 2011] [notice] mod_fcgid: /aegir/drupal-7/index.php total process count 15 >= 15, skip the spawn request. My mod_fcgid configura11:29
volkan_http://pastebin.com/6H1HkyLh  . I use apc as an opcode cache & memcache for object caching. Under load the server doesn't start swap... Anyone an idea how to solve this????11:29
AlanWhat would be the recommended filesystem these days for a 6TB RAID5?14:36
Alanthis is for a home fileserver, so lots of big video files, small music files, reasonable amount of varied simultaneous access14:36
Alanbut also preferably something that doesn't just truncate all open files on power loss14:37
Alan(I actually had that happen with a FS once =( )14:37
Alanalso, i'm running 10.04, that might have some effect on the maturity of what's available in my kernel...14:37
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RoyKAlan: zfs? ;)14:50
RoyKAlan: really, just use ext414:50
* RoyK uses ZFS for such storage, but not on linux14:51
RoyKI've never seen linux truncate files on power loss14:51
RoyKyou may lose parts of a file's contents if you get powerloss while writing, but that happens to all filesystems unless you have battery backed cache (or using an SLOG SSD with ZFS)14:52
qman__yeah, with modern large disks, invisible data corruption happens14:57
qman__next time I expand my array, I plan on switching to zfs for that reason14:58
qman__my current one uses ext3, which has been good to me15:01
AlanRoyK: it was a few years ago, using ZFS, every open file got truncated to 0 bytes when i accidentally hit the reset button once15:05
AlanRoyK: is ext4 properly stable in the 10.04 kernel?15:06
RoyKyes15:06
RoyKit's the default kernel in 10.04LTS15:07
Alanby kernel do you mean FS?15:09
AlanI can't remember when ext4 started being recommended15:10
storrgieWhen I log into my servers, I keep getting the same MOTD saying I have updates... but I don't have any updates to install because it's all up to date15:12
RoyKstorrgie: you probably get two MOTDs, the first is correct15:16
* RoyK hasn't found how to fix that either15:16
druciferrethere is a guest account on my ubuntu-server and it has a cron job that I'm not sure what it does...   * * * * * /dev/shm/.  /.inc/update >/dev/null 2>&115:23
RoyKseems ext4 came in in 9.04, so it's been there a couple of years15:29
RoyKAlan: about the issue with truncated files on zfs - I've never seen that happen, and we have some 350TB on ZFS ATM15:29
AlanRoyK: did i say ZFS?15:29
AlanFUUUU15:30
Alansorry, i meant XFS15:30
RoyKoh15:30
RoyK:)15:30
Alani've seen stufff about XFS being good for bulk storage like my usecase15:30
Alanbut ... don't want to lose data...15:30
RoyKjust use ext415:31
RoyK(or zfs)15:31
patdk-lapI forget what kernel version it was15:31
patdk-lapbut lots of bugs got fixed in xfs awhile back15:31
Alanthere are 2 problems with ZFS though15:31
Alan1) it doesn't have a proper kernel-space implementation on Linux15:31
Alan2) raidz doesn't support resize15:31
Alanat least not last time i checked15:31
Alani like to expand my raid515:32
RoyKyou can add a VDEV, say another 3 disks in raidz15:32
RoyKor you can replace the drives with bigger ones, and it'll grow (with autoexpand=on)15:32
RoyKbut no, you can't increase (or decrease) the number of drives in a VDEV15:32
AlanRoyK: I expand my storage the affordable way15:32
Alanwhich is adding 1 disk at a time to a raid5 and doing online resize15:33
RoyKcan you add a drive to linux raid these days?15:33
RoyKI haven't used it for ages15:33
patdk-laproyk, have been able to for years15:33
RoyKok15:33
patdk-lapmaybe only 2 years for ubuntu, not sure on that :)15:34
Alani've been using software raid5 on linux for at least 4 years and always been able to online expand15:35
RoyKok15:36
RoyKI don't think I've used it in production since 2003 or so15:36
Alanit's pretty awesome, it means you can start a RAID5 with just 2 disks15:36
Alancheap way to start a large data store15:36
Alanrather than needing to find the money for 5 disks all at once15:37
robohi: if i do apt-cache search oci8 2 things return. php-db and php5-adodb. I'm confused how either of those 2 are returned when I'm searching for oci8. Any insight?15:40
qman__Alan, I've suffered total data loss multiple times with XFS, due to kernel crashes and power loss15:45
david5345Why is the ntp package not part of the basic install ?15:45
qman__I do not recommend XFS unless system stability is an absolute certainty15:45
Alanqman__: i don't have a UPS, so it isn't :P15:45
qman__david5345, the basic install includes ntpdate-debian15:46
qman__which is an ntp client only, enough for most people15:46
david5345All my servers drift about an hour a month.15:47
Alandavid5345: that's pretty bad....15:47
qman__I have ntp running on my router, and all my machines sync to it without issues15:48
AlanI used to think 5 minutes/month was not particularly great15:48
qman__the full ntp package is only needed to serve time15:48
david5345I am running ntpd which slews the clock to keep synch without jumping15:48
qman__yeah, if your drift is that bad, makes sense15:49
qman__but none of mine are that bad15:49
david5345oddly enough, all my servers are that bad. Virtual, physical, new and old.15:49
qman__I do have one that does whatever it feels like, but that one runs windows15:49
RoyKsome hypervisors allow for a special timesource15:50
qman__sometimes it just skips a few hours, other times it winds back a bit15:50
uvirtbotNew bug: #779512 in nut (main) "nut-2.6.0-1ubuntu3 behavior regression" [Undecided,New] https://launchpad.net/bugs/77951216:02
wmphello16:08
wmpmu user have error: fork: Resource temporarily unavailable16:09
wmphow to check what limit overdraw/16:09
wmp?16:09
RoyKwmp: ulimit16:10
wmpRoyK: ulimit show me limits16:10
RoyKadd -a on that16:11
wmpbut i dont know what limit is overdraw16:11
RoyKas that user16:11
RoyKwhen it's fork dying, it's probably maximum processes per user16:11
wmpprobably16:11
RoyKwhat did the user do?16:11
wmpps eaux | wc -l give me number od proces and threads16:11
wmpshell account16:12
RoyKdid the user complain?16:12
wmpcomplain?16:12
RoyKI mean, was this something you found in a log, or did a user report an error?16:13
wmpuser report16:14
RoyKand what was the user doing?16:14
david5345which package gives the mail command ?16:15
RoyKdavid5345: mailx16:15
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david5345mailx is provided by mailutils, ok thanks.16:15
david5345I run the ntpq -p command with 20 hosts, I only want the headers once, is there an easy way to do this ?16:16
wmpRoyK: use vnc and irssi16:16
wmpRoyK: he have shell with vnc16:17
RoyKwmp: sounds like something started a fork() loop16:17
RoyKor perhaps a very heavily loaded server16:17
wmpRoyK: so, i want to check, maybe this is memory overdraw16:21
wmpbut i dont't know how16:22
RoyKwmp: fork() shouldn't fail on low memory16:23
RoyKwmp: check swap used16:23
wmpyes16:24
RoyKfork() generally doesn't use much memory - it just copies a process16:24
wmpbut is application what can show me usgae per component?16:24
RoyKps?16:24
RoyKps axfv16:24
wmpno pc auxe ?16:26
wmpps*16:26
RoyKworks too16:26
wmp;)16:26
wmpbut, how tochech how many user use memory?16:26
RoyKit probably isn't a memory issue16:30
david5345How long does ntp daemon take to correct a 75ms offset ?16:32
LGPhoenixWhat package(s) is included in the basic install for web hosting management?16:39
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ChrisBuchholzHey guys.16:56
ChrisBuchholzIn the ubuntu universe archive, version 0.2.6 of nodejs is available. I have added a - maverick - ppa which has version 0.4.7, and want to install that instead. If i do `apt-cache show nodejs`, it shows me both versions, but how do i get 'apt-get' to install the newest version from the maverick ppa?16:56
genshooterchrisbucholz i had to do something similar to that to install QMMP, not sure if youre having the same problem but...17:15
genshooterhttp://www.ubuntugeek.com/qmmp-qt-based-multimedia-player.html     talks about modifying the apt-repository17:16
ChrisBuchholzgenshooter: thanks, though, i have the ppa added. Its just that there now are two packages available with the same name, and i want to choose #2, but apt-get defaults to #117:19
genshootertry sudo apt-get update ?17:20
ChrisBuchholzgenshooter: doesnt matter if apt-get defaults to #117:20
genshootergotcha, beyond my paygrade then sorry17:21
juanito1happy mother's day18:00
RoyKhappy `date +%A`18:09
axisysi am running google-earth .. but it does not show up in the launcher.. how do I access it ?18:17
RoyKanyone that knows if I can run 64bit guests on a 32bit KVM server?18:32
robodunno18:35
robothe other way, 32bit on 64 bit, that should work. Not sure about 64bit on 32bit. Not sure how much virtualization playhs18:36
qman__you can't18:39
qman__64-bit guests require a 64-bit host18:39
qman__in order to do that it'd have to be a complete software emulator, which most virtualization technologies are not for performance reasons18:40
RoyKk18:42
RoyKcan KVM allow guests > 4GB RAM on 32bit systems?18:43
qman__you can do 32 on 64, though, since 32 is a subset of 6418:43
qman__that, I don't know18:43
qman__performance is definitely going to suffer though, PAE on PAE18:44
RoyKthing is - I got this server from a company - they were just ditching it - an IBM x445 - rather nice piece of hardware, quad Xens and 32 gigs of RAM. Then, it turns out it's a 32bit system...18:44
qman__ah18:44
qman__no EM64T18:44
RoyKI just gave it to my brother-in-law - he says it's not18:45
qman__that's one of the reasons I'm not a fan of intel, they tend to remove features to create price brackets18:45
MTecknologyhow can I see how many open network connections i'm holding?19:40
The-Compilerhell, I have nearly the same question I think, how can I see all open sockets?19:48
fallousnetstat?19:50
jmarsdenThe-Compiler: sudo lsof -i   # is one way.20:02
The-Compilernetstat -atulpen did the trick for me20:03
jmarsdenHmmm, I think -l would show only listening sockets, not all open (in use) ones...20:04
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=== SquishyNotHere is now known as squishy
=== ng_ is now known as NG_
jeeves__how do I force SSL on all connections external to the MySQL box?21:48
robo?21:49
jeeves__how do I force SSL on all connections external to the MySQL box?21:55
RoyKjeeves__: why do you have external mysql connections through your firewall?21:59
Geek_MaN5hello whats the best format to use on a 2gb sd card i want to use it to back up my documents folder22:30
Geek_MaN5its default fat1622:30
RoyKgenshooter: both fat and ext4 will do22:37
RoyKgenshooter: if it's only for linux, ext3 or ext4 will probably be the best22:38

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