How to Set or Change Hostname in Linux
The hostname is the name of the machine using which it is identified on a network. It can be anything from a single word string to a complex name. Each hostname has a corresponding numerical
Linux Commands
How to Find Files Based on Timestamp in Linux
The find command in Linux is used to search for files and folders based on different parameters. These parameters can be the filename, size, type of file, etc. One such parameter is the timestamp of
How to Delete Files Older Than Specified Days in Linux
As you might already know, we use the rm command in Linux to delete files and folders. The filenames to be deleted have to be passed as arguments to rm. However, rm does not offer
How to Limit Depth of ‘tree’ for Recursive File Listing
Usually, the ls command is used in Linux to display files and folders. It is an inbuilt command in GNU/Linux. However, it has its shortcomings, for example, there is no option to view directories recursively.
How to Reverse Lines in a File Character-Wise in Linux
There are some string manipulation or alternation tasks that can be programmed in scripting or a programming language quite easily. For example, changing the case of a text in a file. There are some tasks
How to Find and Close Open Ports in Linux
Network and Server administration is one of the key areas in which Linux is actually preferred to any other operating system. Hence most data center admins are well versed with the Linux command line. There
How to Find What IP Addresses are Connected to Linux
A server is application software that listens to requests over a network and returns the requested files, data, etc. Linux machines have servers installed for many different protocols: Eg. HTTP Server, SSH Server, FTP Server,
How to Fix /bin/rm: cannot execute [Argument list too long]
The rm command is used in Linux to delete files and directories. It can be used to delete a few files by specifying each file name, or it can be used with the -r argument
How to Use Sed to Find and Replace String in Files
Sed (short for Stream Editor) is a command-line utility in GNU/Linux operating systems used to modify text files. It can be considered as a command-line text editor; however, it is different from ‘real-time’ text editors
How to Check Linux Network Statistics from Command Line
Network Load refers to the amount of data being transferred or received over a network. Since Linux distributions are very commonly used as servers, the network load on the server becomes a topic of prominence