Linux kernel compiled Ubuntu 14.04.3 server upgrade to 3.19.8

Reading notes:<Linux kernel design and implementation , the original book 3rd edition, Chen Li June Peggy translation

2nd Chapter: Starting from the kernel

Section 2.3: Compiling kernel experiments:

============================================================

System Environment : VM Virtual Machine Ubuntu 14.04.3 LTS Server Edition

Task : Compile and install the new kernel

Note: do not span large versions, I am in version 3.19

Time: 2 hours

All versions of the kernel:

https://www.kernel.org/pub/linux/kernel/

Current system kernel version

Uname-r 3.19.0-25-generic

Download, unzip, compile, install the Linux kernel

wget https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.19.8.tar.xzsudo tar xf  linux-3.19.8.tar.xz -c /usr/src/cd /usr/src/linux-3.19.8/sudo cp /boot/ config-3.19.0-25-generic .configsudo make -j 8      (compile, takes 80 minutes) echo $?0sudo make modules_install  (Installs the module, takes 7 minutes) echo $?0 ll /lib/modules/ 3.19.8   #列出安装的内容 [email protected]:~$ ll /lib/modulestotal 12kdrwxr-xr-x 2  root root 4.0k jul 30 05:51 3.13.0-92-genericdrwxr-xr-x 6 root  root 4.0k sep 23 18:18 3.19.0-25-genericdrwxr-xr-x 4 root root  4.0K Nov 29 13:56 3.19.8sudo make install  (installs kernel boot, takes 2 minutes) echo $? 0ll /boot/  #列出安装的内容 [email protected]:~$ ll /boot/total 219m-rw-r--r-- 1  root root 1.3m jul 25  2015 abi-3.19.0-25-generic-rw-r--r-- 1 root root 174k jul 25   2015 config-3.19.0-25-generic-rw-r--r-- 1 root root 173K Nov 29  13:55 config-3.19.8drwxr-xr-x 5 root root 4.0k nov 29 13:57  grub-rw-r--r-- 1 root root  20m jul 30 05:59  initrd.img-3.19.0-25-generic-rw-r--r-- 1 root root  19m jul 30 05:59  initrd.img-3.19.0-25-generic.old-dkms-rw-r--r-- 1 root root 160m nov 29  13:57 initrd.img-3.19.8-rw-r--r-- 1 root root 173K Mar 12   2014 memtest86+.bin-rw-r--r-- 1 root root 174k mar 12  2014  memtest86+.elf-rw-r--r-- 1 root root 175k mar 12  2014 memtest86+ _MULTIBOOT.BIN-RW------- 1 root root 3.5M Jul 25  2015 System.map-3.19.0-25-generic-rw-r--r-- 1  ROOT ROOT 3.5M NOV 29 13:55 SYSTEM.MAP-3.19.8-RW------- 1 root  Root 6.3m jul 25  2015 vmlinuz-3.19.0-25-generic-rw-r--r-- 1 root  root 6.3m nov 29 13:55 vmlinuz-3.19.8 View Kernel Installation successful  [email protected]:~$  grep 3.19.8 /boot/grub/grub.cfglinux/boot/vmlinuz-3.19.8 root=uuid= 6e8a9edf-c57c-4411-8189-074aaa456310 ro  initrd/boot/initrd.img-3.19.8menuentry  ' Ubuntu,  with linux 3.19.8 '  --class ubuntu --class gnu-linux --class gnu  --class os  $menuentry _id_option  ' gnulinux-3.19.8-advanced-6e8a9edf-c57c-4411-8189-074aaa456310 '  {echo ' loading linux 3.19.8  ... ' linux/boot/vmlinuz-3.19.8 root=uuid=6e8a9edf-c57c-4411-8189-074aaa456310 ro  initrd/boot/initrd.img-3.19.8menuentry  ' ubuntu, with linux 3.19.8  (recovery mode ) '  --class ubuntu --class gnu-linux --class gnu --class os $ menuentry_id_option  ' gnulinux-3.19.8-recovery-6e8a9edf-c57c-4411-8189-074aaa456310 '  {echo ' Loading  linux 3.19.8  ' linux/boot/vmlinuz-3.19.8 root=uuid=6e8a9edf-c57c-4411-8189-074aaa456310  ro recovery nomodeset initrd/boot/initrd.img-3.19.8[email protected]:~$ sudo  reboot

Connect to Linux:

SSH [email protected]welcome to Ubuntu 14.04.3 LTS (gnu/linux 3.19.8 x86_64) [Email protected]:~$ uname-r3.19.8

To this, the new kernel starts successfully.

This article from "Soul Bucket Luo" blog, declined reprint!

Linux kernel compiled Ubuntu 14.04.3 server upgrade to 3.19.8