DOCKER-01 unattended upgrade of the CentOS 6.x system core to 3.10.101

1#!/bin/Bash2 3 #4# Unattended Upgrade CentOS6. x System Kernel to3.10.1015 #6# Full Reference https://segmentfault.com/a/11900000007336287 #8 9 Ten # One#1, check if the operating system is CentOS6. x A # -  - Cat/etc/centos-release |grep-I CentOS |Egrep '6.[[:d igit:]]+'&>/dev.NULL the if[[ $? !=0 ]] -  Then -     Echo-E"Unsupported operating system, this script is only available for CentOS 6.x operating system" -Exit1 + fi -  + # A#2, check that the current kernel version meets the requirements for installing Docker: at # If the direct exit script is satisfied, the system kernel will be upgraded automatically if not met - # -  - if[[ $(uname-r |awk-F'.' '{print $}')-ge3 ]] -  Then -     if[[ $(uname-r |awk-F'.' '{print $}')-geTen ]] in      Then -         Echo "the operating system kernel version has met the requirements of installing Docker without upgrading" toExit1 +     fi - fi the  * # $#3, check if the YUM source is availablePanax Notoginseng # -          the YumList &>/dev/NULL +  A if[[ $? !=0 ]] the  Then +     Echo "YUM Source Configuration error" -Exit1 $ fi $  - # -#4, install package groups"Development Tools" the # - Wuyi YumGroupinstall-y"Development Tools"  the  - if[[ $? !=0 ]] Wu  Then -     Echo "YUM failed to install development tools" AboutExit1 $ fi -  - # -#5, install and compile the Linux kernel in addition to"Development Tools"other packages other than the A # +  the Yum Install-YwgetNcurses-devel Hmaccalc zlib-devel binutils-devel elfutils-libelf-devel -  $ if[[ $? !=0 ]] the  Then the     Echo "YUM failed to install development tools" theExit1 the fi -  in # the#6, download the Linux kernel file3.10.101, and unzip to/usr/src/directory under the # About  the#wgetHttps//Cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.10.101.tar.xz the wgethttp//Mirrors.aliyun.com/linux-kernel/v3.x/linux-3.10.101.tar.xz the Tar-XF linux-3.10.101.Tar. xz-c/usr/src + if[[!-d/usr/src/linux-3.10.101/ ]] -  Then the     Echo "Linux kernel file 3.10.101 download failed"BayiExit1 the fi the  - # -#7To build a new compilation option based on the original kernel configuration file the # the  thecd/usr/src/linux-3.10.101/ the CP/boot/config-$ (uname-r). config - SH-C'Yes "" | Make Oldconfig' the  the # the#8, start compiling the Linux kernel3.10.10194 # Generate kernel files the # Compile the module the # Compile the installation module the #98  Aboutcd/usr/src/linux-3.10.101/ - 101  Make-j$ (Cat/proc/cpuinfo |grepProcessor |WC-l) Bzimage102 103 if[[ $? !=0 ]]104  Then the     Echo "failed to generate kernel file"106Exit1107 fi108 109  Make-j$ (Cat/proc/cpuinfo |grepProcessor |WC-l) Modules the 111 if[[ $? !=0 ]] the  Then113     Echo "failed to compile module" theExit1 the fi the 117  Make-j$ (Cat/proc/cpuinfo |grepProcessor |WC-l) Modules_install118 119 if[[ $? !=0 ]] -  Then121     Echo "failed to compile the installation module"122Exit1123 fi124  the #126#9, install the Linux kernel3.10.101127 # - 129cd/usr/src/linux-3.10.101/ the  Make Install131  the #133#Ten, configure GRUB, load the new kernel the next time you start134 #135 136 sed-I.'s/default=1/default=0/'/etc/grub.conf137 sed-I.'s/default=1/default=0/'/boot/grub/grub.conf138 Echo-en"\n\t"139Read-p"Restart the operating system now, load the kernel 3.10.101 [y/n]"Rebootnow $ if[[$rebootnow = =y]]141  Then142 reboot143 Else144     Echo-E"\n\t Manually reboot the operating system later to load the kernel 3.10.101\n"145 fi

DOCKER-01 unattended upgrade of the CentOS 6.x system core to 3.10.101