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Month: February 2012

  • Creating debian template for lxc virtualization

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    nsc
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    To create debian template for lxc you need fresh copy of debian system. Well, we do have one installed recently on guruplug. All debian install on guruplug steps are here.

  • Adding bridge interface for lxc containers

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    nsc
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    You can make a bridge by changing network configuration file: # cat /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface allow-hotplug eth0 # iface…

  • Could not chdir to home directory /home/nsc: Permission denied /bin/bash: Permission denied Connection to 192.168.1.13 closed.

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    by

    nsc
    in

    after creating lxc container, I wasn’t able to connect to it as a simple user. Also couldn’t change to simple user using “su”. All I got was an error: Could not chdir to home directory /home/nsc: Permission denied /bin/bash: Permission denied Connection to 192.168.1.13 closed. All permissions of home directory were correct, as to be…

  • sudo without password

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    by

    nsc
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    This line should do the job: your_username ALL=(ALL) NOPASSWD: ALL You can edit sudoers file by entering command “visudo”.

  • varnish+nginx as backend and real IP

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    by

    nsc
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    With default config nginx all IP addresses shows as localhost. Here is configuration to show real client IP. Snippet from varnish config: sub vcl_pipe { set bereq.http.connection = “close”; if (req.http.X-Forwarded-For) { set bereq.http.X-Forwarded-For = req.http.X-Forwarded-For; } else { set bereq.http.X-Forwarded-For = regsub(client.ip, “:.*”, “”); } } sub vcl_pass { set bereq.http.connection = “close”; if…

  • Replace string in all files using sed in linux

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    by

    nsc
    in

    Replaces all “OLDSTRING” to “NEWSTRING” in all files $ grep -rl OLDSTRING * | sort | uniq | xargs sed -i -e ‘s/OLDSTRING/NEWSTRING/’ or using find: find */public_html/ -iname ‘*.php’ -exec sed -i -e ‘s/OLDSTRING/NEWSTRING/’ {} \;