Linux之Sed命令

修改
sed -i '26 s/local2/local0/g' /etc/haproxy/haproxy.cfg
在第26行,用local0替换local2
追加
sed -i "99 i\JAVA_OPTS='-Xms512m -Xmx1024m'" /usr/share/tomcat8/bin/catalina.sh

在第99行追加JAVA_OPTS='-Xms512m -Xmx1024m

echo "sldasdha" >> /usr/share/tomcat8/bin/catalina.sh