linux日常管理

glibc-update

wget -P /opt/src https://ftp.gnu.org/gnu/libc/glibc-2.14.tar.gz
cd /opt/src
tar -xzvf /opt/src/glibc-2.14.tar.gz
cd /opt/src/glibc-2.14
mkdir build
cd build 
../configure --prefix=/opt/glibc-2.14
make -j4
make -p /opt/opt/glibc-2.14
touch /opt/opt/glibc-2.14/etc/ld.so.conf
make install
ln -s /opt/glibc-2.14 /opt/glibc
echo 'export LD_LIBRARY_PATH=/opt/glibc/lib:$LD_LIBRARY_PAT'>>/etc/profile
source /etc/profile

linux-jdk-install.sh

#modify downloadpath to your path
#jreversion：9.0.1
wget -P /opt/src http://downloadpath/serverjre-9.0.1_linux-x64_bin.tar.gz
tar -xzvf /opt/src/serverjre-9.0.1_linux-x64_bin.tar.gz -C /opt
echo 'export JAVA_HOME=/opt/jdk-9.0.1'>>/etc/profile
echo 'export JAVA_BIN=$JAVA_HOME/bin'>>/etc/profile
echo 'export JAVA_LIB=$JAVA_HOME/lib'>>/etc/profile
echo 'export PATH=$JAVA_BIN:$PATH'>>/etc/profile
source /etc/profile

linux-kernel-update.txt

#linux内核升级脚本
wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.13.3.tar.xz
xz -d linux-4.13.3.tar.xz && tar -xvf linux-4.13.3.tar
cd linux-4.13.3
sudo yum groupinstall "Development Tools"
sudo yum install ncurses-devel
#如果你没有 X 环境，这一条可以不用
sudo yum install qt-devel
sudo yum install hmaccalc zlib-devel binutils-devel elfutils-libelf-devel
cp /boot/config-2.6.32-431.el6.x86_64 .config
sh -c 'yes "" | make oldconfig'
make bzImage
make modules
make modules_install

#安装
如果出现了 ERROR: modinfo: could not find module xxx，数量少的话，可以忽略。
make install

#修改grub引导顺序
vi /etc/grub.conf
数一下刚刚新安装的内核在哪个位置，从0开始，然后设置default为哪个数字，一般新安装的内核在第一个位置，所以设置 default=0

#重启
reboot
#使用 uname -r 命令查看下当前内核版本号
uname -r

linux-python-update

#version:2.7.13
yum -y install xz
yum -y install gcc gcc-c++
yum -y install openssl openssl-devel
wget https://www.python.org/ftp/python/2.7.13/Python-2.7.13.tar.xz
xz -d Python-2.7.13.tar.xz
tar -xvf Python-2.7.13.tar 
cd Python-2.7.13
sed -i 's/#       -DUSE_SSL/        -DUSE_SSL/' ./Modules/Setup.dist 
sed -i 's/-L$(SSL)/\\ -L$(SSL)/' ./Modules/Setup.dist
./configure
make && make install
mv /usr/bin/python /usr/bin/python.bak
ln -s /usr/local/bin/python2.7 /usr/bin/python
wget http://bootstrap.pypa.io/get-pip.py
python get-pip.py
sed -i 's/#!\/usr\/bin\/python/#!\/usr\/bin\/python2.6/' /usr/bin/yum
pip install --upgrade pip setuptools