引用网友的的文字：
Linux的图形界面实在是太耗资源了，同时开几个虚拟机感觉已经hold不住了，赶紧把这些Linux服务器的图形界面都关掉。
CLI：command Line Interface，命令行界面。 现在的Linux发行版默认登陆界面几乎都是默认为GUI界面，如果按照旧版本的修改inittab文件，在一些比较新的版本是没有这个文件的(Linux的启动服务机制发生改变)
root@gpc:/home/CTBuild# ls -l /boot/ total 92164 -rw-r--r-- 1 root root 186567 May 8 2018 config-4.9.0-6-amd64 -rw-r--r-- 1 root root 186173 May 8 2018 config-4.9.0-6-rt-amd64 -rw-r--r-- 1 root root 186589 Oct 8 2018 config-4.9.0-8-amd64 drwxr-xr-x 5 root root 4096 May 21 06:24 grub -rw-r--r-- 1 root root 23820224 Feb 15 11:08 initrd.img-4.9.0-6-amd64 -rw-r--r-- 1 root root 23854973 Apr 10 07:01 initrd.img-4.9.0-6-rt-amd64 -rw-r--r-- 1 root root 23825564 May 20 06:21 initrd.img-4.9.0-8-amd64 -rw-r--r-- 1 root root 3190138 May 8 2018 System.map-4.9.0-6-amd64 -rw-r--r-- 1 root root 3197657 May 8 2018 System.map-4.9.0-6-rt-amd64 -rw-r--r-- 1 root root 3193875 Oct 8 2018 System.map-4.9.0-8-amd64 -rw-r--r-- 1 root root 4224800 May 8 2018 vmlinuz-4.9.0-6-amd64 -rw-r--r-- 1 root root 4249888 May 8 2018 vmlinuz-4.9.0-6-rt-amd64 -rw-r--r-- 1 root root 4237088 Oct 8 2018 vmlinuz-4.9.0-8-amd64
查看驱动编译时的内核
CTBuild@gpc:~/OneKeyGantryBuild/GantryMain_R001.11.0.788132.Re.20190521_T191319$ m driver ------------------------------------------------------------------- clean driver tmp files. rm -f *.o rm -f *.ko rm -f .*.cmd rm -f *mod.c rm -rf *.symvers rm -rf *.order ------------------------------------------------------------------- begin build driver make -C /lib/modules/4.9.0-6-amd64/build M=/home/CTBuild/OneKeyGantryBuild/GantryMain_R001.11.0.788132.Re.20190521_T191319/Code/sib/drivers/kernel modules make[1]: Entering directory '/usr/src/linux-headers-4.9.0-6-amd64' CC [M] /home/CTBuild/OneKeyGantryBuild/GantryMain_R001.11.0.788132.Re.20190521_T191319/Code/sib/drivers/kernel/uiosib.o Building modules, stage 2. MODPOST 1 modules CC /home/CTBuild/OneKeyGantryBuild/GantryMain_R001.11.0.788132.Re.20190521_T191319/Code/sib/drivers/kernel/uiosib.mod.o LD [M] /home/CTBuild/OneKeyGantryBuild/GantryMain_R001.11.0.788132.Re.20190521_T191319/Code/sib/drivers/kernel/uiosib.ko make[1]: Leaving directory '/usr/src/linux-headers-4.9.0-6-amd64' ------------------------------------------------------------------- copy driver to bin folder: /home/CTBuild/OneKeyGantryBuild/GantryMain_R001.11.0.788132.Re.20190521_T191319/UIH/bin ------------------------------------------------------------------- clean driver tmp files. rm -f *.o rm -f *.ko rm -f .*.cmd rm -f *mod.c rm -rf *.symvers rm -rf *.order CTBuild@gpc:~/OneKeyGantryBuild/GantryMain_R001.11.0.788132.Re.20190521_T191319$ ls -l UIH/bin/uiosib.ko -rw-r--r-- 1 CTBuild CTBuild 430456 May 22 15:49 UIH/bin/uiosib.ko CTBuild@gpc:~/OneKeyGantryBuild/GantryMain_R001.11.0.788132.Re.20190521_T191319$
打开grup配置文件
nano /etc/default/grub内容展示
# If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT="1>2" GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet" GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0" # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...) #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef" # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them in real GRUB with the command `vbeinfo' #GRUB_GFXMODE=640x480 # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux #GRUB_DISABLE_LINUX_UUID=true # Uncomment to disable generation of recovery mode menu entries #GRUB_DISABLE_RECOVERY="true" # Uncomment to get a beep at grub start #GRUB_INIT_TUNE="480 440 1"
修改
GRUB_CMDLINE_LINUX=”” 为GRUB_CMDLINE_LINUX=”text”更新grub
update-grub更新系统服务管理器配置
systemctl set-default multi-user.target重启：init 6
# If you change this file, run ‘update-grub’ afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n ‘Simple configuration’ GRUB_DEFAULT=0 GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=lsb_release -i -s 2> /dev/null || echo Debian GRUB_CMDLINE_LINUX_DEFAULT="quiet" GRUB_CMDLINE_LINUX="text" # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD …) #GRUB_BADRAM=”0x01234567,0xfefefefe,0x89abcdef,0xefefefef” # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them in real GRUB with the command `vbeinfo’ #GRUB_GFXMODE=640x480 # Uncomment if you don’t want GRUB to pass “root=UUID=xxx” parameter to Linux #GRUB_DISABLE_LINUX_UUID=true # Uncomment to disable generation of recovery mode menu entries #GRUB_DISABLE_RECOVERY=”true” # Uncomment to get a beep at grub start #GRUB_INIT_TUNE=”480 440 1”打开gdm配置文件：
nano /etc/gdm3/deamon.conf配置安全设置：[security] 下一行添加 AllowRoot = ture 去除gdm登陆用户名检测： 打开文件 /etc/pam.d/gdm-autologin，并其相关配置信息删除或注释掉：auth required pam_succeed_if.so user != root quiet_success
修改后的gdm-autologin文件：
#%PAM-1.0 auth requisite pam_nologin.so #auth required pam_succeed_if.so user != root quiet_success auth required pam_permit.so @include common-account # SELinux needs to be the first session rule. This ensures that any # lingering context has been cleared. Without this it is possible # that a module could execute code in the wrong domain. session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so close session required pam_loginuid.so # SELinux needs to intervene at login time to ensure that the process # starts in the proper default security context. Only sessions which are # intended to run in the user’s context should be run after this. session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so open session optional pam_keyinit.so force revoke session required pam_limits.so session required pam_env.so readenv=1 session required pam_env.so readenv=1 envfile=/etc/default/locale @include common-session @include common-password
