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Filip Pytloun
..or why using them is still a good idea
Distribution packages
Software and it’s dependencies maintained by Linux distribution vendor (Debian
community, Canonical, RedHat, etc.), delivered by packages (DEB , RPM , ..)
usually provided using package repositories (packages are signed so their
authenticity is verified on download).
These packages actually forms …
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Date
Sun 10 January 2016
Tags
jabber
Introduction
There’s no anti-spam mechanism in XMPP protocol so there’s limited options one
can do to avoid spam.
Server-side
Protect registration against automated spam account creation.
disable in-band registration completely
and create accounts different way
or enable captcha during registration
There’s currently …
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Intro
Containers are insulated areas inside a system, which have their own namespace
for filesystem, network, PID , IPC , CPU and memory allocation and which can be
created using the Control Group and Namespace features included in the Linux
kernel.
Docker vs. LXC
The idea behind Docker is to reduce a …
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Installation
Install required packages
apt-get install qemu-kvm libvirt-bin bridge-utils virtinst
Setup /etc/network/interfaces
iface eth0 inet manual
auto br0
iface br0 inet static
bridge_interfaces eth0
bridge_stp off
bridge_maxwait 5
.. address, netmask, etc.
Try to put br0 interface up or reboot
Deploy instance
Now you have more …
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Upload issues
File *.orig.tar.gz already exists
File python-redis_2.10.1.orig.tar.gz already exists in Primary Archive for Ubuntu, but uploaded version has different contents.
You cannot upload file that already exists in Launchpad but has different
content (file checksum).
File checksum changes every time you re-create …
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Dependencies
Build dependencies
Dependencies needed to build Opencontrail.
Actual deps in tools/packages/debian/contrail/debian/builddep.trusty
cat tools/packages/debian/contrail/debian/builddep.trusty| sed s,[ \ \\\t ] ,,g| tr -d ',' | tr '\n' ' '
libboost-dev libboost-chrono-dev libboost-date-time-dev
libboost-filesystem-dev libboost-program-options-dev libboost-python-dev
libboost-regex-dev libboost-system-dev libboost-thread-dev
libcurl4-openssl-dev google-mock libgoogle-perftools-dev liblog4cplus-dev
libtbb-dev libhttp-parser-dev libxml2-dev …
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Repository anatomy
Record in sources.list may look like this:
deb https://ppa.launchpad.net/saltstack/salt/ubuntu trusty main
It consists of repository url, distribution and one or more components.
deb <repository> <distribution> <component(s)>
Distribution
Distribution name consists of Linux distribution version codename (eg.
trusty ) and our internal …
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