The Linux command line is a powerful console which lets you interact with the entire Linux environment at a more intimate level. Though Linux isn't well known for gaming like Windows is, you can do a whole lot more with [...]
LINUX COMMANDS
fd - Powerful Alternative to Linux Find Command
The Linux directory tree obeys the Filesystem Hierarchy Standard, which allows Linux users and developers to locate system files in standard directories. Since Linux is a very file-oriented operating system, it is important that you know how to find files. [...]
How to Schedule Job on Linux using Cron, Anacron and at Commands
Job scheduling is a feature that allows a user to submit a command or program for execution at a specified time in the future. On a Linux server, it is important that certain tasks run at certain times The execution of the [...]
15 Linux Screen Command for Dealing Terminal Sessions
The screen is a terminal multiplexer. Using this, you can run any number of console-based-applications, interactive command shells, course-based applications, etc. You can use screen to keep running program after you accidentally close the terminal, or even after you log out and [...]
6 Ways to Find Largest Top Files and Directory in Linux
Finding the size of large file and directories in Linux servers is one of the most important tasks that every system administrator came across in his daily tasks. So, every system administrator must know about multiple ways to find out [...]
13 Practical df Command Examples to Check Disk Space in Linux
The df command displays the disk space usage for the Linux filesystems. It displays the amount of total and free disk space available on the mounted file systems. Using the command, we can also find used blocks and inodes in [...]
How to Use Linux Hexdump Command with Practical Examples
Hexdump is a very useful Linux command for developers and application debuggers. It has ability to dump file contents into many formats like hexadecimal, octal, ASCII and decimal. This command takes a file, or any standard input, as input parameter [...]
A Guide to Kill Process in Different Ways on Linux
The kill command is used on linux and other Unix-like operating systems ( Solaris, AIX, HP-Unix, Mac). It doesn’t matter which operating system you are using to terminate processes without having to log out or reboot the computer. A process [...]
How to Install perf Tool on CentOS and Ubuntu
Perf is a performance counter for Linux. With it you can know many secrets of the running linux system. For example why L2 cache misses are happening. Why your disk is showing activity, which code paths are making the stalls [...]
Unix Z Commands – Zcat, Zless, Zgrep, Zegrep and Zdiff Examples
In this article let us review how to perform normal file operation on a compressed files using the powerful Linux Z commands.Some of these z commands uncompressed the file temporarily in the /tmp directory to perform the specified operation. Some [...]
How to Track Progress % of Commands (cp,dd,tar) in CentOS 6 / Fedora
When you copy a large file in terminal with simple cp command without flags, you might sometimes wonder whether it is really copying or the process got blocked somehow and it will actually never finish. The output is non existent [...]
Run Command Parallel on Multiple Hosts using PDSH Tool
PDSH is a very smart little tool that enables you to issue the same command on multiple hosts at once, and see the output. It is a high-performance and parallel remote shell utility. It can run multiple remote commands in parallel and [...]
Powerful SSH Command Options with Examples on Linux
SSH is a popular, powerful, software-based approach to network security. It is used for logging into a remote machine and for executing commands on a remote machine. Whenever data is sent by a computer to the network, ssh will automatically encrypts [...]
watch - Repeat Linux / Unix Commands Regular Intervals
A server administrator needs to maintain the system and keep it updated and safe. A number of intrusion attempts may happen every day. There are some other activities that maintain their log. These logs are updated regularly. In order to [...]