相同得UUID无法重复导入得,修改命令:
BoxManage internalcommands sethduuid ./Rocky8.6_Server.vdi
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VirtualBox如何更改UUID
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相同得UUID无法重复导入得,修改命令:
BoxManage internalcommands sethduuid ./Rocky8.6_Server.vdi
[......]
str="a,b"
arr=(${str//,/ })
echo ${arr[1]}
# output
b
[......]
xsel --clipboard
可以加个alias,和mac弄成一样得命令:
alias pbcopy='xsel --clipboard'
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EVAL "local keys = redis.call('keys', ARGV[1]) \n for i=1,#keys,5000 do \n redis.call('del', unpack(keys, i, math.min(i+4999, #keys))) \n end \n return keys" 0 *
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https://github.com/nodesource/distributions
可以参考上面的项目,哪个版本都能装
以Ubuntu安装18.X为例:
curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash - &&\
sudo apt-get install -y nodejs
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