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$ sudo apt-get install rmagick
E: 无法获得锁 /var/lib/dpkg/lock - open (11 资源临时不可用)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
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此情況緣於有另一個apt-get的process在行。只要停process就可以。
如果不能,你可以試ps aux |grep apt-get
kill走此process
如果ps顯示並無process,sudo rm /var/lib/dpkg/lock