linux ulimit

目的：

• ulimit -v unlimited
• ulimit -m unlimited
• ulimit -l unlimited

修改全局生效方法
在两处修改：

/etc/profile
/etc/security/limits.conf

/etc/security/limits.conf

 *       soft    memlock     unlimited  *       hard    memlock     unlimited 

/etc/profile

ulimit -v unlimitedulimit -m unlimitedulimit -l unlimited

参考：
http://hzcsky.blog.51cto.com/1560073/978411
https://www.ibm.com/developerworks/cn/linux/l-cn-ulimit/
https://askubuntu.com/questions/162229/how-do-i-increase-the-open-files-limit-for-a-non-root-user