The pydf command displays the amount of used and available space on your file systems, just like df command, but in colors. The output format is completely customizable.
Shell script wrappers can make the *nix command more transparent to the user. The most common shell scripts are simple wrappers around third party or system binaries. A wrapper is nothing but a shell script that includes a system command or utility.
Linux and Unix like operating system can run both 32bit and 64bit specific versions of applications. You can write a wrapper script that can select and execute correct version on a 32bit or 64bit hardware platform. In cluster environment and High-Performance computing environment you may find 100s of wrapper scripts written in Perl, Shell, and Python to get cluster usage, setting up shared storage, submitting and managing jobs, backups, troubleshooting, invokes commands with specified arguments, sending stdout to stdout and stderr to stderr and much more.
In this post, I will explains how to create a shell wrapper to enhance the basic troubleshooting tool such as ping and host.
Our FAQ section has been updated. Here are latest howtos:
- WordPress: Disable Post Revisions / Turn Off Revisions
- Firefox Disable / Hide New Tab Page
- HowTo: Install firefox-13.0.tar.bz2 in Linux
- Unix Copy Command Examples [ cp command ]
- CentOS / RHEL CacheFS: Speed Up Network File System (NFS) File Access
- Linux / Unix: Generate A MD5 String
- Open Gnome Nautilus File Manager For The Current Linux / Unix Command Line
- FreeBSD: Install zsh Shell
- Debian Linux: Install Virtualbox Virtualization Software
- WordPress: Change Author ID / Attribution On All Posts In a Single Pass
- Linux / Unix: Bash Shell See All Exported Variables and Functions
- Mount CD-ROM / DVD in HP-UX Unix
- Ubuntu Linux: Add a User To Group
- CentOS / RHEL: Disable or Enable SELinux Policy Modules
- HowTo: Open a Tar.gz File In Linux / Unix
- Linux / Unix: Find Inode Of a File Command
- HowTo: Unix / Linux Remove (Delete) OpenSSH Server
- Unix / Linux: grep Word Count Command
- HowTo: Change Password of Specific User Account In Linux
- Linux: HowTo Check User Password Expiration Date and Time
- Unix HowTo: Start / Stop / Restart Network Service Command
- Linux Reboot Command Example
- Apple OS X: Remove a Symbolic Link (Symlink) Command
- Linux / Unix Command To Find Out NFS Clients Connected To My NFS Server
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An alias is nothing but shortcut to commands. The alias command allows user to launch any command or group of commands (including options and filenames) by entering a single word. Use alias command to display list of all defined aliases. You can add user defined aliases to ~/.bashrc file. You can cut down typing time with these aliases, work smartly, and increase productivity at the command prompt.
Tux Paint is a simple graphics educational painting programs for young children. It is free, Open Source software, distributed under the terms of the GNU General Public License. The program can be installed all all versions of Microsoft Windows, Apple OS X v10.3+, Linux, BeOS, Haiku, FreeBSD and NetBSD operating systems. It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program.
Media Access Control (MAC) address is a unique identifier attached to most networking devices (such as router, Ethernet cards, servers, nas devices, switches and so on).
This blog posts demonstrates how to get the Media Access Control (MAC) address for an ethernet adapter under Linux, Unix, Apple OS X, and *BSD operating systems using command line options.