https://forums.freenas.org/index.php?threads/replication-dataset-set-a-read-only.46889/ https://forums.freenas.org/index.php?threads/replication-target-datasets-mounted-ro-in-freenas-9-3-stable-201602020212-and-newer.41246/ https://forums.freenas.org/index.php?threads/zfs-replication-and-making-the-destination-read-write.10551/ https://bugs.freenas.org/issues/15011 zfs list -o name,mountpoint,mounted,readonly volrep/common zfs set readonly=off tank/root

http://www.mobile01.com/topicdetail.php?f=18&t=5004796

http://www.runoob.com/redis/redis-tutorial.html

官方 https://mariadb.com/kb/en/mariadb/installing-mariadb-deb-files/ New Key Add MariaDB to your sources.list sudo apt-get install software-properties-common sudo apt-key adv –recv-keys –keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8 sudo add-apt-repository ‘deb http://ftp.osuosl.org/pub/mariadb/repo/10.0/ubuntu trusty main’ sudo apt-get update sudo apt-get install mariadb-server ．begin install maybe have question about other mariadb toolkit install If Y -> have one question for root password If N -> use mysql_secure_installtion for secure Finish install mariadb. modify my.cnf /etc/mysql ( find / -name my.cnf ) [mysqld] 1、port maybe change 3306 -> 6033 2、listen maybe 127.0.0.1 -> 0.0.0.0 ...

http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/t2-instances.html CPUCreditUsage (Only valid for T2 instances) The number of CPU credits consumed during the specified period. consumed 消耗 CPUCreditBalance (Only valid for T2 instances) The number of CPU credits that an instance has accumulated. accumulated 累積