Perm URL with updates: http://xahlee.info/linux/linux_postfix_install_popup.htmlWhen installing postfix, it does a annoying popup. Here's a screenshot:Linux postfix installation popup screenshot.Programs shouldn't do this, because it interrupts installation.For example, this happened when i'm installing emacs dependencies by sudo apt-get build-dep emacs23. 〔☛ Building Emacs on Linux — a Guide〕 I wasn't even consciously installing postfix. You go for a coffee, expecting things will be done when you come back, but instead, you get this popup stuck on your screen.Another software that does this is MySQL.
Showing posts from May 19, 2013
Perm URL with updates: http://xahlee.info/linux/linux_view_dir_as_tree.htmlyou can view directory as a tree. It prints a dir in a visual tree format, similar to pstree for processes.to install:sudo apt-get install treeFor example, here's a tree view of 〔/etc/X11〕 dir.screenshot of Linux 「tree」 command.Tree view is extremely useful, for example:When you are working on a project new to you, you have a directory, with hundreds of files, and you need to get a overview of the structure.You need to organize your files and see each's file size.Useful OptionsHere's some of the most useful options.-L ‹level› → specify depth.-P ‹pattern› → using wildcard to match file names to limit listing. ⁖ *html to show only html files.-d → show dirs only.-r → reverse order.-t → sort output my last modification time.--dirsfirst → list dir before files.--filelimit ‹n› → don't go into dir that's more than ‹n› files.-F → display file type indicator. ⁖ “/” for dir, “*” for executable, etc.-…