If you are a developer, you will re-use code provided by others. Usually /lib, /lib64, /usr/local/lib, and other directories stores various shared libraries. You can write your own program using these shared libraries. As a sys admin you need to manage and install these shared libraries. Use the following commands for shared libraries management, security, and debugging problems.
Linux netconsole kernel module allows dmesg output to be transmitted via the syslogd network. It is kernel-level network logging over udp allowing debugging of problem where disk logging fails and serial consoles are impractical. This is a step-by-step mini howto about netconsole configuration under Red Hat, CentOS, Fedora and Debian Linux.
Few days back I wrote about strace tool for reporting and finding bug in program. Today I’m going to talk about another interesting tool called valgrind. Valgrind is a flexible program for debugging and profiling Linux executables. It consists of a core, which provides a synthetic CPU in software, and a series of “tools”, each [...]
A TOP-like tool for monitoring system latency and its causes for Linux system. The Intel Open Source Technology Center is pleased to announce the release of version 0.1 of LatencyTOP, a tool for developers to visualize system latencies. Skipping audio, slower servers, everyone knows the symptoms of latency. But to know what’s going on in [...]
This is great post by Stevey Drunken about mastering Emacs text editor which is quite quite popular among UNIX hackers, computer programmers and power users: Emacs is the world’s best text editor. It’s not just the best for editing program source; it’s the best for any kind of text-editing. Mastering Emacs will make you more [...]