尝试yum install php56w-mcrypt和系统给了我这个错误
libmcrypt-2.5.8-13.el7.x86_64: [Errno 5] [Errno 12] Cannot allocate memory
php56w-mcrypt-5.6.5-1.w7.x86_64: [Errno 5] [Errno 12] Cannot allocate memory
我检查了 free -m
total used free shared buffers cached
Mem: 490 421 68 8 3 42
-/+ buffers/cache: 376 113
Swap: 0 0 0
top
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
9756 mysql 20 0 727588 81556 0 S 0.3 16.2 1:04.61 mysqld
11089 root 20 0 0 0 0 S 0.3 0.0 …