Check VM’s IP address from the host

In this post, we talk about how to check the IP address of VM from the host machine.

Rescue partition table after major update of Windows via parted

In this post we talk about how to rescue your partition table using parted

Change swap size in Ubuntu

Starting with Ubuntu 17.04, the swap partition is replaced with a swap file, which makes it easy to be resized. NOTE: Most of the commands below will require root privilege. You can check your current swap size with swapon -s or free -h By default, the swapfile is /swapfile with file mode 600 and it belongs to the root user. ls -lh /swapfile If you want to resize your swapfile, it’s simple.

分期付款的内含收益率

在这篇文章里我们讨论一下如何计算分期付款的内含收益率

Simple introduction to quantmod and tushare

This is a brief introduction about R package quantmod and tushare