解决mac安装homebrew后报错-bash: brew: command not found 参照官网上很简单的一句安装命令, /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" 安装完毕后,发现使用brew命令,却总是提示:-bash: brew: command not found /usr/local/bin不在PATH中…
From:http://www.njava.com/njava-626.html 更换163源后,更新源时出现错误. # apt-get update W: GPG error: http://extras.ubuntu.com precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192 使用go…
问题出现: ubuntu 更新后,编辑文件提示权限不够,并提示更新错误,重启后进入 initramfs ,仔细看提示错误有: file system check of the root filesystem failed the root filesystem on /dev/sda1 requeird a manual fsck 解决方法: <initramfs> fsck /dev/sda1 跟着提示一路'y'下去,然后重启 注: 一定要仔细看错误提示,才能少走弯路.…