Start containerized process:
docker run -it ubuntu bash
Work inside container:
$ hostname
294197b7fd00
$ whoami
root
$ ps
PID TTY TIME CMD
1 pts/0 00:00:00 bash
13 pts/0 00:00:00 ps
$ uname -srv
Linux 4.15.0-142-generic #146-Ubuntu SMP Tue Apr 13 01:11:19 UTC 2021
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.2 LTS"
–
Start containerized process:
docker run -it ubuntu bash
Work inside container:
$ ls /
bin dev home lib32 libx32 mnt proc run srv tmp var
boot etc lib lib64 media opt root sbin sys usr
$ exit
–
Run specific tool:
docker run -it centos ping localhost
Look at processes and PID 1 (ps faux)