Use the LiSt Open Files (LSOF) utility to track data flow related to ports, users, and applications. LiSt Open Files (LSOF) is a Linux utility that allows you to view current network connections and ...

lsofコマンドの出力制御はオプションの指定でも可能だが、せっかくなので、本連載でこれまでに紹介してきたさまざまな便利コマンドを使って出力を加工する例を紹介したい。 まず、次のようなデフォルト出力があったとする。 % lsof COMMAND PID USER FD TYPE ...

lsofコマンドでまず覚えておきたいのは、次のように引数にファイルパスを指定する方法だ。 % lsof /dev/null COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME adjkerntz 148 root 0u VCHR 0,26 0t0 26 /dev/null adjkerntz 148 root 1u VCHR 0,26 0t0 26 ...

Click for a PDF with this and four other essential Linux articles. And, if you’ve ever heard anyone say that for Unix, everything is a file, you might not be too surprised to learn that lsof works ...

If you’re running Mac or Linux, you will already have this command installed. lsof tells you what a process is currently talking to. It will list the process’ network connections and which files it’s ...

Click for a PDF containing this and four other essential Linux articles. Both of the aliases below will list whatever files are open on your behalf when you are logged in. I suspect that few sysadmins ...

Happy hangover Monday everyone! To soothe those post-big-game blues, here's this week's man page -- lsof, the LiSt Open Files tool. If you're trying to figure out why a removable drive won't unmount ...

Tested with: Ubuntu 15.10/16.04, lxc 2.0.2. If you install some network services in your LXC container, the open ports may not show when you run "lsof -i". You need ...