1.从ubuntu keyserver获取key
ubuntu 16.04及以后的系统:
$sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys C8CAB6595FDFF622
ubuntu 16.04以前的系统:
$sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys ECDCAD72428D7C01
2. 创建debug list文件
$ codename=$(lsb_release -c | awk ‘{print $2}’)
- 获取发行版代号
lsb_release -c | awk '{print $2}'
focal
- 创建/etc/apt/sources.list.d/ddebs.list文件，添加如下内容：
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/ ${codename}-proposed main restricted universe multiverse
- 修改/etc/apt/sources.list.d/ddebs.list文件
vi cmd:
:1,$s/${codename}/bionic
3. 更新debug symbol源
$sudo apt-get update
4. 获取linux kernel的debug symbol
$sudo apt-get install linux-image-$(uname -r)-dbgsym
linux kernel的debug symbol 位于 /usr/lib/debug/boot/
Original: https://www.cnblogs.com/fanguang/p/16532720.html
Author: 反光
Title: ubuntu vmlinux 获取
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