composer some question

1.Composer Update silently returns “Killed”

以前在学习的时候,买的最低配置的云服务器内存只有可怜的0.5G。以至于更新Composer的时候,提示被killed。

$ composer update
    Loading composer repositories with package information
    Updating dependencies (including require-dev)
    Killed

可以把调整swap到1G,这样就可以正常更新Composer了。

$ /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
$ /sbin/mkswap /var/swap.1
$ sudo /sbin/swapon /var/swap.1