Docker how to find real container child process ID
If you do a top on your Docker host, you may find a process for apache2 is PID 1234 but that is not the same as ID as in your container due to separation of processes and memory from the main host.
Here is how you find the real PID within the docker container.
On your host do this where 1234 is your PID.
cat /proc/1234/status|grep NSpid
NSpid: 1234 125172
........
Howto Set Static IP on boot in initramfs for dropbear or other purposes NFS, Linux, Debian, Ubuntu, CentOS
This is only really necessary in the case you don't want DHCP. If you are dealing with an encrypted LUKS server on the internet, you will often want to have a static IP so you know which IP to connect to (or if you have a semi-static IP assigned by DHCP).
SET IP Address by /etc/initramfs-tools/initramfs.conf
IP Address=192.168.1.27
Gateway=192.168.1.1
Subnet Mask: 255.255.255.0
Hostname=myhome.com
IP=192.1........
Linux Ubuntu Debian Missing privilege separation directory: /var/run/sshd
service sshd status
● ssh.service - OpenBSD Secure Shell server
Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled)
Active: failed (Result: start-limit-hit) since Wed 2019-10-02 11:07:54 EDT; 36s ago
Process: 476 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=255)
Oct 02 11:07:54 box systemd[1]: Failed to start OpenBSD Secure Shell server.
Oct 02 11:07:54 box sys........
Why won't my Linux Mint boot after I manually installed a new kernel?
Why won't my Linux Mint boot after I manually installed a new kernel?
eg.
apt-get install linux-image-newerone
Do this
dpkg -l|grep linux-image|grep extra
ii linux-image-extra-3.16.0-38-generic 3.16.0-38.52~14.04.1&nb........