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• rsync server side limit bandwidth/connection

  - by c2h2

  In a VOIP application, I have upto 3000 clients rsync audio files from there linux server in a daily, server is placed at a data center (10Mbps in/out bound), the server works as a VOIP sip server running FreeSWITCH (low ping latency should be ensured.) Therefore I would like to have server side control of rsync which controls: Limit total outbound bandwidth. Limit total number of connections. (Reject clients while at max number of connection and let it retry after a specific time frame.) OPTIONAL: list/kill individual connections. Normally I would use ssh + rsync + pem_keys with some extra options, but above requirements are not feasible by simple command lines. Can anyone point me some direction. or show some scripts/tools? I would also probably integrate them and release on github. Thanks!

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• SAMBA and Linux ACLs -- "Permission denied" on write to share but file written nevertheless

  - by MCH

  I set up a writable share directory "/home/net/share" with acl like this: sudo mkdir -p "/home/net/share" sudo setfacl -m "u:localuser:rwx,u:remoteuser:rwx,g:users:rwx" "/home/net/share" My /etc/samba/smb.conf looks like this: [global] workgroup = w server string = server security = user load printers = no log file = /var/log/samba/%m.log max log size = 50 dns proxy = no printing = bsd printcap name = /dev/null disable spoolss = yes encrypt passwords = true invalid users = nobody root follow symlinks = yes wide links = yes [share] comment = Writable by localuser and remoteuser path = /home/net/share valid users = remoteuser read only = no public = no printable = no Locally, localuser and remoteuser have user accounts and smbpasswds and can both read, create and delete files in /home/net/share. But when I log on from a different machine (like this: sudo mount -t cifs //server/share mountpoint/ -o username=remoteuser ), I get "Permission denied" both when trying to create directories and files, oddly though, it does create files (not directories!) despite these messages! How can I get this working?

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• apt - Remove not configured package

  - by madflow

  I have a Linux-Mint Debian Edition System. When I install sendmail I get an infinite loop. Reading configuration from /etc/mail/sendmail.conf. Validating configuration. Creating /etc/mail/databases... Reading configuration from /etc/mail/sendmail.conf. Validating configuration. Creating /etc/mail/databases... When I try dpkg --configure -a it is the same. Now I want to simple remove sendmail from the installation queue - but I can't simply do that, because apt-get always wants to configure sendmail first. Is there a way to force apt-get to remove sendmail or set it to "configured" - even though the package is not properly configured?

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• Is it worth moving from Microsoft tech to Linux, NodeJS & other open source frameworks to save money for a start-up?

  - by dormisher

  I am currently getting involved in a startup, I am the only developer involved at the moment, and the other guys are leaving all the tech decisions up to me at the moment. For my day job I work at a software house that uses Microsoft tech on a day to day basis, we utilise .NET, SqlServer, Windows Server etc. However, I realise that as a startup we need to keep costs down, and after having a brief look at the cost of hosting for Windows I was shocked to see some of the prices for a dedicated server. The cheapest I found was £100 a month. Also if the business needs to scale in the future and we end up needing multiple servers, we could end up shelling out £10's of £000's a year in SQL Server / Windows Server licenses etc. I then had a quick look at the price of Linux hosting for a dedicated server and saw the price was waaaaaay lower than windows hosting. One place was offering a machine with 2 cores for less than £20 a month. This got me thinking maybe the way to go is open source on Linux. As I write a lot of Javascript at work (I'm working on a single page backbone app at the moment), I thought maybe NodeJS and a web framework like Express would be cool to use. I then thought that instead of using SQL why not use an open source NoSQL database like MongoDB, which has great support on NodeJS? My only concern is that some of the work the application is going to do is going to be dynamically building images and various other image related stuff, i.e. stuff that is quite CPU heavy - so I'm thinking of maybe writing anything CPU heavy in C++ and consuming it as a module in Node. That's the background - but basically is Linux a good match for: Hosting a NodeJS/Express site? Compiling C++ node modules? Using a NoSQL DB like MongoDB? And is it a good idea to move to these unfamiliar technologies to save money?

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• Server unresponsive, messages shown on console but not in log files

  - by raistlin majere

  I'm using Ubuntu Server 10.04.4, and once in a while the server hangs (once a month) and is totally unresponsive. The tty is flooded with messages like these. The problem is that these messages are not in my log files after reboot. How to log these messages so that I can analyze them later? In the current logs I can't see anything that would tell me why this is happening. I would also appreciate if anybody can tell from those messages what's going on. This server is a guest virtual machine. The host server is also Ubuntu server 10.04 with KVM/QEMU.

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• Replacing old server with new but different hostname & same IP

  - by MaxFr

  We have an old server 2000 and lots of users point to it by hostname and by its IP e.g \\server1, we have a new server 2008 R2 with new name serverlocation1 All folders and data have been sync'toy'd from the old server1 across to serverlocation1 each evening, the new server tree is exactly the same on the new server and all perms are correct. We need to make the new server the same IP as the old server1 as too many people access it directly via IP, and to ensure file and folder paths stay ok, anything \\server1\folder\file needs to go to \\newserverlocation1\folder\file etc I can change the old server1 name to server1-old & change IP and assign the old IP to the new server, but how do I force anything coming in for \\server1 to go to the new server and ensure anything referenced to the old server goes onto the new server ? I can CNAME but I need the new server to have the IP of the previous server so not sure if its straight forward etc..... point server1 to newserverlocation1 Then probably change DNS so that the OLD IP points to new hostname..... Any clarification appreciated.

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• ssh can't connect after server ip changed

  - by Kery

  I have a server with ubuntu installed. After I change the network configuration and restart server, ssh client can't connect server any more. But in the server I can use ssh client to connect itself and the netstat command shows that sshd is listening port 22. And in my computer (win7) ping command is OK to server's new IP. The configuration in /etc/network/interfaces is: auto eth0 iface eth0 inet static address 10.80.x.x netmask 255.255.255.0 gateway 10.80.x.1 I'm very confused about this. Hope somebody can give me some idea. Thank you in advance!!!

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• What is stable as Ubuntu in kernel space, but also cutting-edge as Fedora in user land?

  - by HRJ

  I am a long time Fedora user (since Fedora 6). Previously I have used Gentoo (for 2 years) and Slackware (for 5 years). The thing I liked about Fedora is frequency of package updates + great community. But lately I have noticed that Fedora is becoming too cutting-edge, nay, bleeding-edge. They changed the DNS client to be strict, without any warning, which broke some of their own packages for two Fedora releases. More critically, their LVM modules are not compatible across Fedora 12, 13, 14 (sometimes). Ubuntu is nicely polished but seems too stable for my liking. Some of the user-space applications are two major version numbers behind (even in testing or unstable or whatever they call it). Is there any Linux distro that has the stability of Ubuntu in kernel space and the bleeding edge in applications (especially harmless applications like, say, Stellarium)?

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• Iptables to lock down compromised server to a single ip

  - by ollybee

  I have a Linux server which is compromised, I can see nasty looking perl scripts executing with root privileges. I want to get some data off it before I wipe it. How can I block all inbound and outbound traffic except for my ip? It's a Centos server I assume i can do this with iptables? I'm aware a the server is rooted there is a possibility that attackers could have made changes on the server that would prevent this from working. Ill be testing to make sure and only have the server online for a couple of hours before it is nuked.

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• Redirect all ports to my server in a simple way

  - by Dorian

  I have a server with SSH access (on port 22 and 443). My ISP block everything except ports 80 and 443. I there a simple way to make everything go to my server (via SSH) then return the response via the same SSH connection, but in a way I can use all the ports in my client. Like : Me ? SSH connection ? My server ? request ? Server ? My server ? Me It's like a VPN but I don't have any port available for a VPN (443 is already taken by SSH).

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• SSH not working after installing SVN server on Debian

  - by sLIDe

  Today I had to install SVN server on my Debian server. I used this tutorial (only I didn't do anything to connect to SVN through file://, http:// or https://, only svn:// and svn+ssh://). After I installed SVN server and configured it after that tutorial, I tried to connect to it. I could connect to it using svn:// protocol, but when I tried to connect using svn+ssh:// protocol, my servers SSH stopped responding. Even after I stopped SVN server and restarted SSH server I can't connect to it.

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• Running suspicious X programs in GNU/Linux

  - by Vi

  What the most harmful thing can malware program started as separate limited user account do if it has access to the X server? Network and filesystem things are already considered by chroot and netfilter. It obviously can lock the screen and I will need to switch to other vt and kill it manually. Can it for example disrupt other GUI programs on the same X server (access to root terminal in nearby window)? I know that it is safer to run it in separate X server, for example, in Xtightvnc or even some virtual machine, but how dangerous is to just run it like other programs?

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• Configure firewalld for OpenVPN (server-bridge) in Fedora 20

  - by rsc1975

  I've installed an OpenVPN server (server-bridge) on Fedora 20, but I cannot get it to work. I'm almost sure that It's a firewall issue. I'm trying to connect from an OSX client, but I can connect (just connect to VPN server, without access to anything) before the bridge is configured in server, however once I configure the bridge interface (using this script), then I cannot connect anymore. I've configured it as server-bridge, following these HOW-TOs from Fedora and OpenVPN Ethernet-Bridge. The firewall config is explained using iptables: iptables -A INPUT -i tap0 -j ACCEPT iptables -A INPUT -i br0 -j ACCEPT iptables -A FORWARD -i br0 -j ACCEPT However, in Fedora 20, by default, It's installed firewalld, so, Can anyone tell me the equivalent commands using firewall-cmd ? I read the firewalld guide, but It's not clear to me how to achieve it (I'm a developer, no SysAdmin). I know that I can install iptables, but I want it to work with firewalld.

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• Pip installs on Archlinux fails to build egg

  - by stmfunk

  I was trying to install nltk on my Archlinux server but it repeatedly fails with the following error output /usr/lib/python3.3/distutils/dist.py:257: UserWarning: Unknown distribution option: 'entry_points' warnings.warn(msg) /usr/lib/python3.3/distutils/dist.py:257: UserWarning: Unknown distribution option: 'zip_safe' warnings.warn(msg) /usr/lib/python3.3/distutils/dist.py:257: UserWarning: Unknown distribution option: 'test_suite' warnings.warn(msg) usage: setup.py [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...] or: setup.py --help [cmd1 cmd2 ...] or: setup.py --help-commands or: setup.py cmd --help error: invalid command 'bdist_egg' /tmp/pip_build_root/nltk/distribute-0.6.21-py3.3.egg Traceback (most recent call last): File "./distribute_setup.py", line 143, in use_setuptools raise ImportError ImportError During handling of the above exception, another exception occurred: Traceback (most recent call last): File "", line 16, in File "/tmp/pip_build_root/nltk/setup.py", line 23, in distribute_setup.use_setuptools() File "./distribute_setup.py", line 145, in use_setuptools return _do_download(version, download_base, to_dir, download_delay) File "./distribute_setup.py", line 125, in _do_download _build_egg(egg, tarball, to_dir) File "./distribute_setup.py", line 116, in _build_egg raise IOError('Could not build the egg.') OSError: Could not build the egg. ---------------------------------------- Cleaning up... Command python setup.py egg_info failed with error code 1 in /tmp/pip_build_root/nltk Storing complete log in /root/.pip/pip.log This error is also occurring for matplotlib buts thats the only other library I found it to fail on so far. pyyaml installs fine. The install works perfectly under virtualenv on my mac which is using python 2.7 but the server is using python 3.3. Any help is appreciated.

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• Essential topics to be discussed in Linux 101

  - by zengr

  Hi, We are organizing a Linux 101 Workshop for undergrad and grad students. Can you share some ideas/topics that are must for people who are just starting with Linux. Preconditions: No knowledge of Linux OS, philosophy and technical aspects (kernel, shell, commands) Post conditions: A basic crash course of Linux which will give them a good start and answer some basic questions asked on it.

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• creating a .sh file programmatically under windows and running it on a linux system from cygwin

  - by user1296193

  i want to write program, in windows, which will write a .sh file, then connect to a linux machine via cygwin and ssh, and execute that .sh file. I've had to use dos2unix to convert .sh files that I created in windows to run under linux. Obviously if I am executing a script with ssh it will have to be linux formatted to work. so I need to know how to create a linux appropriate .sh file using c or openoffice basic or vBA. thanks!

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• Linux - specific API reference

  - by Goofy

  Hello! Where can I find centralized and complete documentation aboput Linux - specific API? I'm preparing Linux port of my application and i want to use as much Linux - specific features as it's possible. So far I found that Linux provide epoll and inotify API, which are great news for me, because my program works as network server and monitor local file systems.

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• Windows service porting to linux

  - by Sirish Kumar

  I am porting an application which runs as a background service in windows at startup, we are porting the application to linux(SUSE Enterprise server), I'am completely new to linux. Can somebody help me on how to proceed with this. Like Should I build the linux executable After builiding the binary, what changes should I make to linux startup files to run this executable How my service can register call back function to modify or change or send commands to my service while it is running

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• 'pip install carbon' looks like it works, but pip disagrees afterward

  - by fennec

  I'm trying to use pip to install the package carbon, a package related to statistics collection. When I run pip install carbon, it looks like everything works. However, pip is unconvinced that the package is actually installed. (This ultimately causes trouble because I'm using Puppet, and have a rule to install carbon using pip, and when puppet asks pip "is this package installed?" it says "no" and it reinstalls it again.) How do I figure out what's preventing pip from recognizing the success of this installation? Here is the output of the regular install: root@statsd:/opt/graphite# pip install carbon Downloading/unpacking carbon Downloading carbon-0.9.9.tar.gz Running setup.py egg_info for package carbon package init file 'lib/twisted/plugins/__init__.py' not found (or not a regular file) Requirement already satisfied (use --upgrade to upgrade): twisted in /usr/local/lib/python2.7/dist-packages (from carbon) Requirement already satisfied (use --upgrade to upgrade): txamqp in /usr/local/lib/python2.7/dist-packages (from carbon) Requirement already satisfied (use --upgrade to upgrade): zope.interface in /usr/local/lib/python2.7/dist-packages (from twisted->carbon) Requirement already satisfied (use --upgrade to upgrade): distribute in /usr/local/lib/python2.7/dist-packages (from zope.interface->twisted->carbon) Installing collected packages: carbon Running setup.py install for carbon package init file 'lib/twisted/plugins/__init__.py' not found (or not a regular file) changing mode of build/scripts-2.7/validate-storage-schemas.py from 664 to 775 changing mode of build/scripts-2.7/carbon-aggregator.py from 664 to 775 changing mode of build/scripts-2.7/carbon-cache.py from 664 to 775 changing mode of build/scripts-2.7/carbon-relay.py from 664 to 775 changing mode of build/scripts-2.7/carbon-client.py from 664 to 775 changing mode of /opt/graphite/bin/validate-storage-schemas.py to 775 changing mode of /opt/graphite/bin/carbon-aggregator.py to 775 changing mode of /opt/graphite/bin/carbon-cache.py to 775 changing mode of /opt/graphite/bin/carbon-relay.py to 775 changing mode of /opt/graphite/bin/carbon-client.py to 775 Successfully installed carbon Cleaning up... root@statsd:/opt/graphite# pip freeze | grep carbon root@statsd: Here is the verbose version of the install: root@statsd:/opt/graphite# pip install carbon -v Downloading/unpacking carbon Using version 0.9.9 (newest of versions: 0.9.9, 0.9.9, 0.9.8, 0.9.7, 0.9.6, 0.9.5) Downloading carbon-0.9.9.tar.gz Running setup.py egg_info for package carbon running egg_info creating pip-egg-info/carbon.egg-info writing requirements to pip-egg-info/carbon.egg-info/requires.txt writing pip-egg-info/carbon.egg-info/PKG-INFO writing top-level names to pip-egg-info/carbon.egg-info/top_level.txt writing dependency_links to pip-egg-info/carbon.egg-info/dependency_links.txt writing manifest file 'pip-egg-info/carbon.egg-info/SOURCES.txt' warning: manifest_maker: standard file '-c' not found package init file 'lib/twisted/plugins/__init__.py' not found (or not a regular file) reading manifest file 'pip-egg-info/carbon.egg-info/SOURCES.txt' writing manifest file 'pip-egg-info/carbon.egg-info/SOURCES.txt' Requirement already satisfied (use --upgrade to upgrade): twisted in /usr/local/lib/python2.7/dist-packages (from carbon) Requirement already satisfied (use --upgrade to upgrade): txamqp in /usr/local/lib/python2.7/dist-packages (from carbon) Requirement already satisfied (use --upgrade to upgrade): zope.interface in /usr/local/lib/python2.7/dist-packages (from twisted->carbon) Requirement already satisfied (use --upgrade to upgrade): distribute in /usr/local/lib/python2.7/dist-packages (from zope.interface->twisted->carbon) Installing collected packages: carbon Running setup.py install for carbon running install running build running build_py creating build creating build/lib.linux-i686-2.7 creating build/lib.linux-i686-2.7/carbon copying lib/carbon/amqp_publisher.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/manhole.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/instrumentation.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/cache.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/management.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/relayrules.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/events.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/protocols.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/conf.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/rewrite.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/hashing.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/writer.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/client.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/util.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/service.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/amqp_listener.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/routers.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/storage.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/log.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/__init__.py -> build/lib.linux-i686-2.7/carbon copying lib/carbon/state.py -> build/lib.linux-i686-2.7/carbon creating build/lib.linux-i686-2.7/carbon/aggregator copying lib/carbon/aggregator/receiver.py -> build/lib.linux-i686-2.7/carbon/aggregator copying lib/carbon/aggregator/rules.py -> build/lib.linux-i686-2.7/carbon/aggregator copying lib/carbon/aggregator/buffers.py -> build/lib.linux-i686-2.7/carbon/aggregator copying lib/carbon/aggregator/__init__.py -> build/lib.linux-i686-2.7/carbon/aggregator package init file 'lib/twisted/plugins/__init__.py' not found (or not a regular file) creating build/lib.linux-i686-2.7/twisted creating build/lib.linux-i686-2.7/twisted/plugins copying lib/twisted/plugins/carbon_relay_plugin.py -> build/lib.linux-i686-2.7/twisted/plugins copying lib/twisted/plugins/carbon_aggregator_plugin.py -> build/lib.linux-i686-2.7/twisted/plugins copying lib/twisted/plugins/carbon_cache_plugin.py -> build/lib.linux-i686-2.7/twisted/plugins copying lib/carbon/amqp0-8.xml -> build/lib.linux-i686-2.7/carbon running build_scripts creating build/scripts-2.7 copying and adjusting bin/validate-storage-schemas.py -> build/scripts-2.7 copying and adjusting bin/carbon-aggregator.py -> build/scripts-2.7 copying and adjusting bin/carbon-cache.py -> build/scripts-2.7 copying and adjusting bin/carbon-relay.py -> build/scripts-2.7 copying and adjusting bin/carbon-client.py -> build/scripts-2.7 changing mode of build/scripts-2.7/validate-storage-schemas.py from 664 to 775 changing mode of build/scripts-2.7/carbon-aggregator.py from 664 to 775 changing mode of build/scripts-2.7/carbon-cache.py from 664 to 775 changing mode of build/scripts-2.7/carbon-relay.py from 664 to 775 changing mode of build/scripts-2.7/carbon-client.py from 664 to 775 running install_lib copying build/lib.linux-i686-2.7/carbon/amqp_publisher.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/manhole.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/amqp0-8.xml -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/instrumentation.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/cache.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/management.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/relayrules.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/events.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/protocols.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/conf.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/rewrite.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/hashing.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/writer.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/client.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/util.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/aggregator/receiver.py -> /opt/graphite/lib/carbon/aggregator copying build/lib.linux-i686-2.7/carbon/aggregator/rules.py -> /opt/graphite/lib/carbon/aggregator copying build/lib.linux-i686-2.7/carbon/aggregator/buffers.py -> /opt/graphite/lib/carbon/aggregator copying build/lib.linux-i686-2.7/carbon/aggregator/__init__.py -> /opt/graphite/lib/carbon/aggregator copying build/lib.linux-i686-2.7/carbon/service.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/amqp_listener.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/routers.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/storage.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/log.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/__init__.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/carbon/state.py -> /opt/graphite/lib/carbon copying build/lib.linux-i686-2.7/twisted/plugins/carbon_relay_plugin.py -> /opt/graphite/lib/twisted/plugins copying build/lib.linux-i686-2.7/twisted/plugins/carbon_aggregator_plugin.py -> /opt/graphite/lib/twisted/plugins copying build/lib.linux-i686-2.7/twisted/plugins/carbon_cache_plugin.py -> /opt/graphite/lib/twisted/plugins byte-compiling /opt/graphite/lib/carbon/amqp_publisher.py to amqp_publisher.pyc byte-compiling /opt/graphite/lib/carbon/manhole.py to manhole.pyc byte-compiling /opt/graphite/lib/carbon/instrumentation.py to instrumentation.pyc byte-compiling /opt/graphite/lib/carbon/cache.py to cache.pyc byte-compiling /opt/graphite/lib/carbon/management.py to management.pyc byte-compiling /opt/graphite/lib/carbon/relayrules.py to relayrules.pyc byte-compiling /opt/graphite/lib/carbon/events.py to events.pyc byte-compiling /opt/graphite/lib/carbon/protocols.py to protocols.pyc byte-compiling /opt/graphite/lib/carbon/conf.py to conf.pyc byte-compiling /opt/graphite/lib/carbon/rewrite.py to rewrite.pyc byte-compiling /opt/graphite/lib/carbon/hashing.py to hashing.pyc byte-compiling /opt/graphite/lib/carbon/writer.py to writer.pyc byte-compiling /opt/graphite/lib/carbon/client.py to client.pyc byte-compiling /opt/graphite/lib/carbon/util.py to util.pyc byte-compiling /opt/graphite/lib/carbon/aggregator/receiver.py to receiver.pyc byte-compiling /opt/graphite/lib/carbon/aggregator/rules.py to rules.pyc byte-compiling /opt/graphite/lib/carbon/aggregator/buffers.py to buffers.pyc byte-compiling /opt/graphite/lib/carbon/aggregator/__init__.py to __init__.pyc byte-compiling /opt/graphite/lib/carbon/service.py to service.pyc byte-compiling /opt/graphite/lib/carbon/amqp_listener.py to amqp_listener.pyc byte-compiling /opt/graphite/lib/carbon/routers.py to routers.pyc byte-compiling /opt/graphite/lib/carbon/storage.py to storage.pyc byte-compiling /opt/graphite/lib/carbon/log.py to log.pyc byte-compiling /opt/graphite/lib/carbon/__init__.py to __init__.pyc byte-compiling /opt/graphite/lib/carbon/state.py to state.pyc byte-compiling /opt/graphite/lib/twisted/plugins/carbon_relay_plugin.py to carbon_relay_plugin.pyc byte-compiling /opt/graphite/lib/twisted/plugins/carbon_aggregator_plugin.py to carbon_aggregator_plugin.pyc byte-compiling /opt/graphite/lib/twisted/plugins/carbon_cache_plugin.py to carbon_cache_plugin.pyc running install_data copying conf/storage-schemas.conf.example -> /opt/graphite/conf copying conf/rewrite-rules.conf.example -> /opt/graphite/conf copying conf/relay-rules.conf.example -> /opt/graphite/conf copying conf/carbon.amqp.conf.example -> /opt/graphite/conf copying conf/aggregation-rules.conf.example -> /opt/graphite/conf copying conf/carbon.conf.example -> /opt/graphite/conf running install_egg_info running egg_info creating lib/carbon.egg-info writing requirements to lib/carbon.egg-info/requires.txt writing lib/carbon.egg-info/PKG-INFO writing top-level names to lib/carbon.egg-info/top_level.txt writing dependency_links to lib/carbon.egg-info/dependency_links.txt writing manifest file 'lib/carbon.egg-info/SOURCES.txt' warning: manifest_maker: standard file '-c' not found reading manifest file 'lib/carbon.egg-info/SOURCES.txt' writing manifest file 'lib/carbon.egg-info/SOURCES.txt' removing '/opt/graphite/lib/carbon-0.9.9-py2.7.egg-info' (and everything under it) Copying lib/carbon.egg-info to /opt/graphite/lib/carbon-0.9.9-py2.7.egg-info running install_scripts copying build/scripts-2.7/validate-storage-schemas.py -> /opt/graphite/bin copying build/scripts-2.7/carbon-aggregator.py -> /opt/graphite/bin copying build/scripts-2.7/carbon-cache.py -> /opt/graphite/bin copying build/scripts-2.7/carbon-relay.py -> /opt/graphite/bin copying build/scripts-2.7/carbon-client.py -> /opt/graphite/bin changing mode of /opt/graphite/bin/validate-storage-schemas.py to 775 changing mode of /opt/graphite/bin/carbon-aggregator.py to 775 changing mode of /opt/graphite/bin/carbon-cache.py to 775 changing mode of /opt/graphite/bin/carbon-relay.py to 775 changing mode of /opt/graphite/bin/carbon-client.py to 775 writing list of installed files to '/tmp/pip-9LuJTF-record/install-record.txt' Successfully installed carbon Cleaning up... Removing temporary dir /opt/graphite/build... root@statsd:/opt/graphite# For reference, this is pip 1.0 from /usr/lib/python2.7/dist-packages (python 2.7)

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• Linux bcm43224 wifi adapter slows down a couple minutes after boot

  - by Blubber

  I just installed Ubuntu on my mid 2012 MacBook Air. Everything worked out of the box, but the wifi is showing some weird behavior. When I first login it's really fast, loading google.com is near instant, and browsing in general feels at least as smooth as it did on Mac OS. However, after a couple minutes the connection slows down dramatically, sometimes it takes over 5s to load google.com, a simple reboot fixes the problem for another couple minutes. Specs: Wifi: 02:00.0 Network controller: Broadcom Corporation BCM43224 802.11a/b/g/n (rev 01) Driver: open-source brcmsmac driver Kernel: Linux wega 3.8.0-21-generic #32-Ubuntu SMP Tue May 14 22:16:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Distro: Ubuntu 13.04 (uptodate) I tried a number of things, none of which actually helped Use proprietary sta driver from broadcom Installed firmware into /lib/firmware/brcms (which, as far as I can tell from logs, does not get loaded at all) Switch router to only use 2.4 OR 5 GHz Set router to only use a OR g OR n Set router to use AES encryption only Turned off power management on the adapter Set regulatory region to the correct value (NL) on both router and laptop Disable ipv6 Nothing seems to help, the slowdown always occurs. I did notice that the latency (ping google.com) stays roughly the same (around 9ms). Below is some more information that might be of use. $ lspci -nnk | grep -iA2 net 02:00.0 Network controller [0280]: Broadcom Corporation BCM43224 802.11a/b/g/n [14e4:4353] (rev 01) Subsystem: Apple Inc. Device [106b:00e9] Kernel driver in use: bcma-pci-bridge $ rfkill list 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no $ lsmod Module Size Used by dm_crypt 22820 1 arc4 12615 2 brcmsmac 550698 0 coretemp 13355 0 kvm_intel 132891 0 parport_pc 28152 0 kvm 443165 1 kvm_intel ppdev 17073 0 cordic 12574 1 brcmsmac brcmutil 14755 1 brcmsmac mac80211 606457 1 brcmsmac cfg80211 510937 2 brcmsmac,mac80211 bnep 18036 2 rfcomm 42641 12 joydev 17377 0 applesmc 19353 0 input_polldev 13896 1 applesmc snd_hda_codec_hdmi 36913 1 microcode 22881 0 snd_hda_codec_cirrus 23829 1 nls_iso8859_1 12713 1 uvcvideo 80847 0 btusb 22474 0 snd_hda_intel 39619 3 videobuf2_vmalloc 13056 1 uvcvideo snd_hda_codec 136453 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_cirrus bcm5974 17347 0 bluetooth 228619 22 bnep,btusb,rfcomm snd_hwdep 13602 1 snd_hda_codec lpc_ich 17061 0 videobuf2_memops 13202 1 videobuf2_vmalloc videobuf2_core 40513 1 uvcvideo videodev 129260 2 uvcvideo,videobuf2_core bcma 41051 1 brcmsmac snd_pcm 97451 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel snd_page_alloc 18710 2 snd_pcm,snd_hda_intel snd_seq_midi 13324 0 snd_seq_midi_event 14899 1 snd_seq_midi snd_rawmidi 30180 1 snd_seq_midi snd_seq 61554 2 snd_seq_midi_event,snd_seq_midi snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi snd_timer 29425 2 snd_pcm,snd_seq snd 68876 16 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_hda_codec_cirrus mei 41158 0 soundcore 12680 1 snd apple_bl 13673 0 mac_hid 13205 0 lp 17759 0 parport 46345 3 lp,ppdev,parport_pc usb_storage 57204 0 hid_apple 13237 0 hid_generic 12540 0 ghash_clmulni_intel 13259 0 aesni_intel 55399 399 aes_x86_64 17255 1 aesni_intel xts 12885 1 aesni_intel lrw 13257 1 aesni_intel gf128mul 14951 2 lrw,xts ablk_helper 13597 1 aesni_intel cryptd 20373 4 ghash_clmulni_intel,aesni_intel,ablk_helper i915 600351 3 ahci 25731 3 libahci 31364 1 ahci video 19390 1 i915 i2c_algo_bit 13413 1 i915 drm_kms_helper 49394 1 i915 usbhid 47074 0 drm 286313 4 i915,drm_kms_helper hid 101002 3 hid_generic,usbhid,hid_apple $ dmesg | egrep 'b43|bcma|brcm|[F]irm' [ 0.055025] [Firmware Bug]: ioapic 2 has no mapping iommu, interrupt remapping will be disabled [ 0.152336] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored [ 2.187681] pci_root PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-99] only partially covers this bridge [ 12.553600] bcma-pci-bridge 0000:02:00.0: enabling device (0000 -> 0002) [ 12.553657] bcma: bus0: Found chip with id 0xA8D8, rev 0x01 and package 0x08 [ 12.553688] bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x22, class 0x0) [ 12.553715] bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x17, class 0x0) [ 12.553764] bcma: bus0: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x0F, class 0x0) [ 12.605777] bcma: bus0: Bus registered [ 12.852925] brcmsmac bcma0:0: mfg 4bf core 812 rev 23 class 0 irq 17 [ 13.085176] brcmsmac bcma0:0: brcms_ops_bss_info_changed: qos enabled: false (implement) [ 13.085186] brcmsmac bcma0:0: brcms_ops_config: change power-save mode: false (implement) [ 20.862617] brcmsmac bcma0:0: brcmsmac: brcms_ops_bss_info_changed: associated [ 20.862622] brcmsmac bcma0:0: brcms_ops_bss_info_changed: arp filtering: enabled true, count 0 (implement) [ 20.862625] brcmsmac bcma0:0: brcms_ops_bss_info_changed: qos enabled: true (implement) [ 20.897957] brcmsmac bcma0:0: brcms_ops_bss_info_changed: arp filtering: enabled true, count 1 (implement) $ iwconfig lo no wireless extensions. wlan0 IEEE 802.11abgn ESSID:"wlan" Mode:Managed Frequency:5.22 GHz Access Point: E0:46:9A:4E:63:9A Bit Rate=65 Mb/s Tx-Power=17 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=63/70 Signal level=-47 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:13 Invalid misc:56 Missed beacon:0

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• Fix overscan in Linux with Intel graphics Vizio HDTV

  - by Padenton

  I am connecting my server to my HDTV so that I can conveniently display it there. My VIZIO HDTV cuts off all 4 edges. I already realize it is not optimal to be running a GUI on a server; this server will not have much external traffic so I prefer it for convenience. I have already spent countless hours searching for a fix, but all I could find required an ATI or NVIDIA graphics card, or didn’t work. In Windows, the Intel driver has a setting for underscan, though it seems only to be available by a glitch. Here’s my specs: Ubuntu Linux (Quantal 12.10) (Likely to switch to Arch) This is a home server computer, with KDE for managing(for now, at least) Graphics: Intel HD Graphics 4000 from Ivy Bridge Motherboard: ASRock Z77 Extreme4 CPU: Intel Core i5-3450 My monitors: Dell LCD monitor Vizio VX37L_HDTV10A 37" on HDMI input I have tried all of the following from both HDMI?HDMI and DVI?HDMI cables connected to the ports on my motherboard: Setting properties in xrandr Making sure drivers are all up to date Trying several different modes The TV was “cheap”; max resolution 1080i. I am able to get a 1920x1080 modeline, in both GNU/Linux and Windows, without difficulty. There is no setting in the menu to fix the overscan (I have tried all of them, I realize it’s not always called overscan). I have been in the service menu for the TV, which still does not contain an option to fix it. No aspect ratio settings, etc. The TV has a VGA connector but I am unsure if it would fix it, as I don’t have a VGA cable long enough, and am not sure it would get me the 1920x1080 resolution which I want. Using another resolution does not fix the problem. I tried custom modelines with the dimensions of my screen’s viewable area, but it wouldn’t let me use them. Ubuntu apparently doesn’t automatically generate an xorg.conf file for use. I read somewhere that modifying it may help solve it. I tried X -configure several times(with reboots, etc.) but it consistently gave the following error messages: In log file: … (WW) Falling back to old probe method for vesa Number of created screens does not match number of detected devices. Configuration failed. In output: … (++) Using config file: "/root/xorg.conf.new" (==) Using system config directory "/usr/share/X11/xorg.conf.d" Number of created screens does not match number of detected devices. Configuration failed. Server terminated with error (2). Closing log file. Tried using 'overscan' prop in xrandr: root@xxx:/home/xxx# xrandr --output HDMI1 --set overscan off X Error of failed request: BadName (named color or font does not exist) Major opcode of failed request: 140 (RANDR) Minor opcode of failed request: 11 (RRQueryOutputProperty) Serial number of failed request: 42 Current serial number in output stream: 42 'overscan on', 'underscan off', 'underscan on' were all also tried. Originally tried with Ubuntu 12.04, but failed and so updated to 12.10 when it was released. All software is up to date. I am not opposed to reinstalling my OS, likely will anyways (my preference being Arch).

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• Is it possible to install grub into linux partition from freebsd?

  - by eugene y

  I've installed freebsd 8 with it's boot manager to the machine which had linux installed. Now linux doesn't boot because of invalid boot sector on the linux partition. I see that freebsd has grub in ports (/usr/ports/sysutils/grub). Is it possible to utilize this port to install grub into the linux partition?

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• sql server 2008 export to mdb issue

  - by Vivek Chandraprakash

  Hi i'm trying to import records from a mdb file to sql server 2008. i have a separate db server and application server. wrote a stored proc to import data from mdb. But it fails as the mdb is on a network. It works if it's on the db server itself. i'm using sql server account. if i login using windows account and try the same sp it works. How to make it work for sql server account? -Vivek

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• ntpdate -d Server dropped Strata too high

  - by AndyM

  I cannot sync with a NTP source thats coming from an internal router/firewall. Anyone help ? ntppdate -d 192.168.92.82 6 Jun 11:57:30 ntpdate[5011]: ntpdate [email protected] Tue Feb 24 06:32:26 EST 2004 (1) transmit(192.168.92.82) receive(192.168.92.82) transmit(192.168.92.82) receive(192.168.92.82) transmit(192.168.92.82) receive(192.168.92.82) transmit(192.168.92.82) receive(192.168.92.82) transmit(192.168.92.82) 192.168.92.82: Server dropped: strata too high server 192.168.92.82, port 123 stratum 16, precision -19, leap 11, trust 000 refid [73.78.73.84], delay 0.02591, dispersion 0.00002 transmitted 4, in filter 4 reference time: 00000000.00000000 Thu, Feb 7 2036 6:28:16.000 originate timestamp: d1972e03.0ae02645 Mon, Jun 6 2011 11:44:19.042 transmit timestamp: d197311b.0ffac1d2 Mon, Jun 6 2011 11:57:31.062 filter delay: 0.02609 0.02591 0.02594 0.02596 0.00000 0.00000 0.00000 0.00000 filter offset: -792.020 -792.020 -792.020 -792.020 0.000000 0.000000 0.000000 0.000000 delay 0.02591, dispersion 0.00002 offset -792.020152 6 Jun 11:57:31 ntpdate[5011]: no server suitable for synchronization found Edit The server I'm being asked to sync to is a firewall , and I've now been told that it is not syncing with anything. So I suppose I need to know if I can force my server to sync with a server that is stratum 16 i.e not sync'd. Is that possible ?

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• Server configurations for hosting MySQL database

  - by shyam

  I have a web application which uses a MySQL database hosted on a virtual server. I've been using this server when I started the application and when the database was really small. Now it has grown and the server is not able to handle the db, causing frequent db errors. I'm planning to get a server and I need suggestions for that. Like I said, the db is now 9 GB, and is growing considerably fast. There are a number of tables with millions of rows, which are frequently updated and queried. The most frequent error the db shows is Lock wait timeout exceeded. Previously there used to be "The total number of locks exceeds the lock table size" errors too, but I could avoid it by increasing Innodb buffer pool size. Please suggest what configurations should I look for in the server I should buy. I read somewhere that the db should ideally have a buffer pool size greater than the size of its data, so in my case I guess I'd need memory gt 9 GB. What other things should I look for in the server? Just tell me if I should give you more info about the

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