Dear Amazon RDS Customer, RDSご利用の皆様へ As you are aware, Amazon RDS underwent a maintenance event between 26 September 2014 and 30 September 2014 to protect your instances from any security risks associated with the now public Xen Sec…

Dear Amazon RDS Customer, Amazon RDS ご利用の皆様へ All Amazon RDS for MySQL and PostgreSQL database instances have been scheduled to receive mandatory system upgrade as per the schedule below during the maintenance window you defined for …

「Select "Standard" to remove Provisioned IOPS support or choose "Provisioned IOPS" to ensure the DB Instance supports a fixed number of I/O operations per second.」 「Option Group to associate with the restored DB Instance. Failure to spe…

/etc/fstabの書式 <file system> <dir> <type> <options> <dump> <pass> オプションに uid=1001,gid=1001,mode=0775 uid=1001(apache) gid=1001(apache)のとき drwxrwxr-x apache apache のディレクトリがマウントできる。 また急にtmpfsのディレクトリ作ってと言われたら。。 ルートユーザになる $su – 設</pass></dump></options></type></dir></file>…

The default termination policy uses the following steps to identify an instance to terminate: Before Auto Scaling selects an instance to terminate, it first identifies the Availability Zone that has more instances than the other Availabili…

サーバでCLOSE_WAIT状態になるコネクションがあることが判明。一晩だけ、コネクションの状況を確認するためのシェルを書いた。 $while true;do echo -n `date` ;echo -ne "\t" ; netstat -a | greo CLOSE_WAIT | wc-l ;sleep 600 ;done >> /tmp/netstat.log …