1. ttf-arphic-uming, ttf-wqy-microhei, ttf-wqy-zenhei, xfonts-wqy and ttf-opensymbol are some packages related to Chinese fonts.

2. If you have Adobe Reader installed on your computer, you can use Adobe Chinese fonts for free.

3. To check Chinese fonts installed on your computer, you can use the command fc-list :lang=zh-cn | sort.

4. To install extra …

The article 14 Practical examples of the grep command has some good examples on how to use the grep command.

1. The Perl style (option -P) regular expression is more powerful than the basic (default) and extended (option -E) regular expression. It is suggested that you use the perl style as …

1. Open /etc/apt/sources.list and add the following line to the end.

   deb http://www.backports.org/debian jessie-backports main contrib non-free
   

   or

   deb http://ftp.us.debian.org/debian/ jessie-backports main contrib non-free
   deb-src http://ftp.us.debian.org/debian/ jessie-backports main contrib non-free
   

2. Make sure the GPG …

1. First use diskutil list to list all avaiable disks and identifiy the external hard drive to mount. For example, running diskutil list on my Mac gives me the following output and /dev/disk2s1 is the partition (NTFS) to mount.

   $ diskutil list
   /dev/disk0 (internal):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      GUID_partition_scheme …

My Windows PC in my office slows down signficantly after running for several days. I have cleaned up the startup applications to the most I can. The only way I can think of is to automatically restart the computer early morning every few days. The article [Windows10] How to set …

1. mktemp is preferred to tempfile.