Build lxc-sshd container in CentOS 7, report 2260 unknown capability sys_module problem solution

surroundings

• Host: CentOS 7, x86-64 bits
• LXC： LXC-2.1.1，make && make install

Create lxc-sshd container

lxc-create -t sshd -n sshd-1 -- --auth-key ./lxc.pub

Run the container

lxc-start -n sshd-1

Report the following error

lxc-start: sshd-1: conf.c: setup_caps: 2260 unknown capability sys_module ...

Solution

参考 LXC start error : setup_caps: 2337 unknown capability mac_admin

Install libcap-dev using

apt-get install libcap-dev
Then, recompile the LXC.

Install libcap-devel.x86_64 in CentOS 7, then recompile LXC 2.1.1, recreate sshd-1, the problem is solved.