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20160113換Linux核心(kernel-3.16.7)過程
2016/01/13,14:53

20160113換Linux核心(kernel-3.16.7)過程

(1) 查系統現況

[root@localhost ~]# uname -a
Linux localhost.localdomain 3.19.8 #3 SMP Wed Jan 13 07:43:30 CST 2016 i686 i686 i386 GNU/Linux
[root@localhost ~]# date
Wed Jan 13 13:28:52 CST 2016
[root@localhost ~]#


(2) 下載核心linux-3.16.7.tar.gz
[root@localhost ~]# wget https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.16.7.tar.gz
--2016-01-13 13:15:24--  https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.16.7.tar.gz
Resolving www.kernel.org (www.kernel.org)... 199.204.44.194, 198.145.20.140, 149.20.4.69, ...
Connecting to www.kernel.org (www.kernel.org)|199.204.44.194|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 121773906 (116M) [application/x-gzip]
Saving to: ‘linux-3.16.7.tar.gz’


(3)解開核心
[root@localhost ~]# tar xvzf linux-3.16.7.tar.gz


(4) 建立/usr/src/linux符號連結
[root@localhost ~]# rm  /usr/src/linux
rm: remove symbolic link ‘/usr/src/linux’? y
[root@localhost ~]# ln -s /root/linux-3.16.7 /usr/src/linux
[root@localhost ~]# ls /usr/src -l
total 12
drwxr-xr-x. 2 root root 4096 Jul  8  2013 debug
drwxr-xr-x  2 root root 4096 Jan 11 13:06 ipt-netflow-
drwxr-xr-x. 4 root root 4096 Jan  6 17:06 kernels
lrwxrwxrwx  1 root root   18 Jan 13 13:30 linux -> /root/linux-3.16.7
[root@localhost ~]#

(5)用現有的組態為預設值建立核心組態

[root@localhost ~]# cd /usr/src/linux/
[root@localhost linux]# cp /boot/config-3.19.8 .config
[root@localhost linux]# pwd
/usr/src/linux
[root@localhost linux]#
[root@localhost linux]# make menuconfig
  HOSTCC  scripts/basic/fixdep
  HOSTCC  scripts/kconfig/conf.o
  HOSTCC  scripts/kconfig/lxdialog/checklist.o
  HOSTCC  scripts/kconfig/lxdialog/inputbox.o
  HOSTCC  scripts/kconfig/lxdialog/menubox.o
  HOSTCC  scripts/kconfig/lxdialog/textbox.o
  HOSTCC  scripts/kconfig/lxdialog/util.o
  HOSTCC  scripts/kconfig/lxdialog/yesno.o
  HOSTCC  scripts/kconfig/mconf.o
  SHIPPED scripts/kconfig/zconf.tab.c
  SHIPPED scripts/kconfig/zconf.lex.c
  SHIPPED scripts/kconfig/zconf.hash.c
  HOSTCC  scripts/kconfig/zconf.tab.o
  HOSTLD  scripts/kconfig/mconf
scripts/kconfig/mconf Kconfig
.config:880:warning: symbol value 'm' invalid for BRIDGE_NETFILTER
.config:1345:warning: symbol value 'm' invalid for OPENVSWITCH_GRE
.config:1346:warning: symbol value 'm' invalid for OPENVSWITCH_VXLAN
configuration written to .config

*** End of the configuration.
*** Execute 'make' to start the build or try 'make help'.


(6)閱讀說明檔
[root@localhost linux]# cat README |more

(7)編譯核心
[root@localhost linux]# make
ok

(8)列出剛編譯完成的核心
[root@localhost linux]# ls arch/x86/boot/bzImage -l
-rw-r--r-- 1 root root 5490256 Jan 13 14:11 arch/x86/boot/bzImage
[root@localhost linux]#

(9)查看不可手動修改的開機選單設定檔
[root@localhost linux]# cat /boot/grub2/grub.cfg
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub2-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
:
(10)將新編的核心 及 組態檔 及System.map 拷至/boot目錄分別為vmlinuz-3.16.7及config-3.16.7 及 System.map-3.16.7
[root@localhost linux]# cp arch/x86/boot/bzImage /boot/vmlinuz-3.16.7
[root@localhost linux]# cp .config /boot/config-3.16.7
[root@localhost linux]# cp System.map /boot/System.map-3.16.7
[root@localhost linux]#

(11)安裝新的核心模組至/lib/modules/3.16.7
[root@localhost linux]# make modules_install
:
  INSTALL /lib/firmware/yam/1200.bin
  INSTALL /lib/firmware/yam/9600.bin
  DEPMOD  3.16.7
[root@localhost linux]# ll /lib/modules/
total 24
drwxr-xr-x  6 root root 4096 Jan  5 17:34 3.14.27-100.fc19.i686.PAE
drwxr-xr-x  3 root root 4096 Jan 13 14:41 3.16.7
drwxr-xr-x  3 root root 4096 Jan 13 07:55 3.19.8
drwxr-xr-x  4 root root 4096 Jan 11 13:06 3.9.5
drwxr-xr-x  6 root root 4096 Jan  6 16:03 3.9.5-301.fc19.i686
drwxr-xr-x. 6 root root 4096 Jan  6 12:46 3.9.5-301.fc19.i686.PAE
[root@localhost linux]#

(12)建立initramfs
[root@localhost linux]# dracut -v /boot/initramfs-3.16.7.img 3.16.7
:
I: -rw------- 1 root root 17653321 Jan 13 14:42 /boot/initramfs-3.16.7.img


(13)列出/boot

[root@localhost linux]# cd /boot
[root@localhost boot]# mv initramfs-3.19.8.img old3.initramfs-3.19.8.img
[root@localhost boot]# mv System.map-3.19.8 old3.System.map-3.19.8
[root@localhost boot]# mv vmlinuz-3.19.8 old3.vmlinuz-3.19.8
[root@localhost boot]# mv config-3.19.8 old3.config-3.19.8

[root@localhost linux]# chmod 755 /boot/vmlinuz-3.16.7
[root@localhost boot]# ll /boot
total 220126
-rw-r--r--  1 root root   144293 Jan 13 14:37 config-3.16.7
-rw-r--r--  1 root root   130928 Jun 12  2013 config-3.9.5-301.fc19.i686
-rw-r--r--. 1 root root   128562 Jun 12  2013 config-3.9.5-301.fc19.i686.PAE
-rw-r--r--  1 root root   128296 Jan 11 07:34 config-3.9.5-treehrt
drwxr-xr-x. 6 root root     1024 Jan 13 08:00 grub2
-rw-------. 1 root root 25509635 Dec 23 12:26 initramfs-0-rescue-fe190f81d1ab45818aafd3f4c1c5edd8.img
-rw-------  1 root root 17653321 Jan 13 14:42 initramfs-3.16.7.img
-rw-------  1 root root  8745331 Jan  6 16:03 initramfs-3.9.5-301.fc19.i686.img
-rw-------. 1 root root 16779573 Dec 23 12:26 initramfs-3.9.5-301.fc19.i686.PAE.img
-rw-------  1 root root 17736016 Jan 11 07:42 initramfs-3.9.5.img
-rw-------  1 root root  8236814 Jan 11 07:47 initramfs-3.9.5-treehrt.img
-rw-r--r--. 1 root root   557284 Jan  5 17:34 initrd-plymouth.img
drwx------. 2 root root    12288 Dec 23 12:05 lost+found
-rw-r--r--  1 root root   148506 Jan 12 16:14 old2.config-3.19.8
-rw-------  1 root root 26308183 Jan 12 16:29 old2.initramfs-3.19.8.img
-rw-r--r--  1 root root  2348934 Jan 12 16:14 old2.System.map-3.19.8
-rwxr-xr-x  1 root root  5675104 Jan 12 16:14 old2.vmlinuz-3.19.8
-rw-r--r--  1 root root   148612 Jan 13 07:51 old3.config-3.19.8
-rw-------  1 root root 19461944 Jan 13 07:57 old3.initramfs-3.19.8.img
-rw-r--r--  1 root root  2348934 Jan 13 07:51 old3.System.map-3.19.8
-rw-r--r--  1 root root  5675104 Jan 13 07:51 old3.vmlinuz-3.19.8
-rw-r--r--  1 root root   142005 Dec 18  2014 old.config-3.14.27-100.fc19.i686.PAE
-rw-r--r--  1 root root    97454 Jan 11 17:27 old.config-3.19.8
-rw-------  1 root root  9162360 Jan  5 17:34 old.initramfs-3.14.27-100.fc19.i686.PAE.img
-rw-------  1 root root  8242449 Jan 11 17:31 old.initramfs-3.19.8.img
-rw-------  1 root root  2244508 Dec 18  2014 old.System.map-3.14.27-100.fc19.i686.PAE
-rw-r--r--  1 root root  2513181 Jan 11 17:28 old.System.map-3.19.8
-rwxr-xr-x  1 root root  5471888 Dec 18  2014 old.vmlinuz-3.14.27-100.fc19.i686.PAE
-rwxr-xr-x  1 root root  5738112 Jan 11 17:27 old.vmlinuz-3.19.8
-rw-r--r--  1 root root  2268451 Jan 13 14:37 System.map-3.16.7
-rw-------  1 root root  2017641 Jun 12  2013 System.map-3.9.5-301.fc19.i686
-rw-------. 1 root root  2055042 Jun 12  2013 System.map-3.9.5-301.fc19.i686.PAE
-rw-r--r--  1 root root  2052858 Jan 11 07:35 System.map-3.9.5-treehrt
-rwxr-xr-x. 1 root root  5025072 Dec 23 12:26 vmlinuz-0-rescue-fe190f81d1ab45818aafd3f4c1c5edd8
-rwxr-xr-x  1 root root  5490256 Jan 13 14:36 vmlinuz-3.16.7
-rwxr-xr-x  1 root root  4939088 Jun 12  2013 vmlinuz-3.9.5-301.fc19.i686
-rwxr-xr-x. 1 root root  5025072 Jun 12  2013 vmlinuz-3.9.5-301.fc19.i686.PAE
-rwxr-xr-x  1 root root  5013728 Jan 11 07:33 vmlinuz-3.9.5-treehrt
[root@localhost boot]#


(14)建立核心開機選單,最新編譯者為第1選項(預設選項)
[root@localhost boot]#  grub2-mkconfig -o /boot/grub2/grub.cfg
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.16.7
Found initrd image: /boot/initramfs-3.16.7.img
Found linux image: /boot/vmlinuz-3.9.5-treehrt
Found initrd image: /boot/initramfs-3.9.5-treehrt.img
Found linux image: /boot/vmlinuz-3.9.5-301.fc19.i686.PAE
Found initrd image: /boot/initramfs-3.9.5-301.fc19.i686.PAE.img
Found linux image: /boot/vmlinuz-3.9.5-301.fc19.i686
Found initrd image: /boot/initramfs-3.9.5-301.fc19.i686.img
Found linux image: /boot/vmlinuz-0-rescue-fe190f81d1ab45818aafd3f4c1c5edd8
Found initrd image: /boot/initramfs-0-rescue-fe190f81d1ab45818aafd3f4c1c5edd8.img
done
[root@localhost boot]# reboot


(15)遠端重開機查看,新的Linux核心成功運中中

Good, It's success!!


[root@localhost ~]# uname -a
Linux localhost.localdomain 3.16.7 #1 SMP Wed Jan 13 14:11:09 CST 2016 i686 i686 i386 GNU/Linux
[root@localhost ~]# iptables -t nat -L
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination

Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
MASQUERADE  all  --  10.2.2.0/24          anywhere
[root@localhost ~]#


(16)參考文章

REF 1:http://linux.vbird.org/linux_basic/0540kernel.php
REF 2:http://linux.vbird.org/linux_basic/redhat6.1/linux_10kernel.php

迴響

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Posted by: asdss at 2016/04/27, 14:33
 
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