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@ -16,7 +16,8 @@ get_swap=`free -mt|grep 'Swap'|awk '{print $2}'` |
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#内存如果小于2g，则设置2倍 |
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#内存如果小于2g，则设置2倍 |
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if [ $p_mem -lt 2000 ] |
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if [ $p_mem -lt 2000 ] |
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then |
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then |
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swap_value=`expr $p_mem * 2` |
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#乘号签名必须加\ |
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swap_value=`expr $p_mem \* 2` |
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elif [ $p_mem -gt 2000 ] && [ $p_mem -lt 8000 ] |
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elif [ $p_mem -gt 2000 ] && [ $p_mem -lt 8000 ] |
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#内存大于2G，小于8G，则设置和物理内存大小一致 |
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#内存大于2G，小于8G，则设置和物理内存大小一致 |
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then |
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then |
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@ -33,7 +34,7 @@ function set_swap(){ |
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dd if=/dev/zero of=/dev/swap bs=1M count=${swap_value} |
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dd if=/dev/zero of=/dev/swap bs=1M count=${swap_value} |
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chmod 600 /dev/swap |
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chmod 600 /dev/swap |
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mkswap /dev/swap |
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mkswap /dev/swap |
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swapon /dev/swap |
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swapon /dev/swap && \ |
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#写入分区表 |
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#写入分区表 |
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echo '/dev/swap swap swap defaults 0 0' >> /etc/fstab |
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echo '/dev/swap swap swap defaults 0 0' >> /etc/fstab |
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} |
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} |
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