start using
How many actually registered a year before they think of it in use today.
Ashamed ....... that
Centos7 detailed description of the boot process
boot process:
1) Open Electrical inspection bios
2) read the MBR GRUB1 stage and stage 1.5
3) Stage 2 reads the GRUB / boot / grub wherein /boot/grub/grub.conf vmlinuz recorded and a root path where
to find the root initramfs.img need to load a file system driver files
. 4)
I) under the root systemd read (first user process)
ii) read /etc/systemd/system/default.target, what mode to enter the system from the
iii) reading the initialization script sysinit.target (host name initialization, initialize clocks, etc.)
iv) services under running multi-user.target
v) run /etc/rc.d/rc.local
vi) run the login screen file, see the login screen
6, the preparation of systemd Nginx configuration files, start-up process to achieve nginx
cp / usr / local / nginx / bin / nginx /etc/rc.d/init.d/httpd # copy and rename it to init.d httpd
ln -s /etc/rc.d/init.d/httpd /etc/rc.d/rc3.d/S61httpd