Apache

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$ mkdir -p  mkdir -p  ~/apache/www ~/apache/logs ~/apache/conf
$ cd apache
~/apache$ touch Dockerfile
~/apache$ vi Dockerfile
~/apache$ touch httpd-foreground
~/apache$ vi httpd-foreground
~/apache$ chmod +x httpd-foreground
...service docker start
...service docker status
~/apache$ docker build -t httpdliuying .

Then you’ll get this error: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

SSH

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 sudo cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bak
 sudo vim /etc/ssh/sshd_config
 sudo service ssh start # excute it when you login Xftp 6
 * Starting OpenBSD Secure Shell server sshd                                                                                                     /etc/ssh/sshd_config: line 12: Bad configuration option: service
 /etc/ssh/sshd_config: line 13: Bad configuration option: service
 /etc/ssh/sshd_config: terminating, 2 bad configuration options

 [fail]
# sudo service ssh status
 * sshd is not running

Then, you should uninstall it & reinstall it:

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# sudo apt-get purge openssh-server
# sudo apt-get install openssh-server
# sudo cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bak
# sudo vim /etc/ssh/sshd_config
# sudo service ssh start
 * Starting OpenBSD Secure Shell server sshd                                                                                                     [ OK ]
# sudo service ssh status
 * sshd is running
# sudo systemctl enable ssh
Synchronizing state of ssh.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable ssh
 ...