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readme: add missing dependencies for Ubuntu

This commit is contained in:
Terry Wang 2014-05-23 23:39:03 +10:00
parent 13f02e61ea
commit 1b182d92b2
1 changed files with 20 additions and 4 deletions
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24
README.md
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@ -52,8 +52,25 @@ Install the dependencies for the "kpatch-build" command:
# optional, but highly recommended
apt-get install ccache
NOTE: While kpatch-build will build a module on Ubuntu, currently
the hot patch can't be loaded due to issue #156.
Install kernel debug symbols
```bash
# Add ddebs repository
codename=$(lsb_release -sc)
sudo tee /etc/apt/sources.list.d/ddebs.list << EOF
deb http://ddebs.ubuntu.com/ ${codename} main restricted universe multiverse
deb http://ddebs.ubuntu.com/ ${codename}-security main restricted universe multiverse
deb http://ddebs.ubuntu.com/ ${codename}-updates main restricted universe multiverse
deb http://ddebs.ubuntu.com/ ${codename}-proposed main restricted universe multiverse
EOF
# add APT key
wget -Nq http://ddebs.ubuntu.com/dbgsym-release-key.asc -O- | sudo apt-key add -
apt-get update && apt-get install linux-image-$(uname -r)-dbgsym
```
> NOTE: If **NOT** installed, you'll get `ERROR: linux-image-$(uname -r)-dbgsym not installed` when running `kpatch-build` to build a patch module.
###Build
@ -75,8 +92,7 @@ Quick start
-----------
*NOTE: While kpatch is designed to work with any recent Linux
kernel on any distribution, the "kpatch-build" command currently
only works on Fedora.*
kernel on any distribution, the "kpatch-build" command currently only works on Fedora and Ubuntu.*
First, make a source code patch against the kernel tree using diff, git, or
quilt.