Some times we faced issues like “Too many open files” on a Linux system. It means our server has hit the max open file limit. This happens due to resource limits set by the system for any user or session. For example, the max size of files created, the maximum size that may be...
This tutorial will help you to find files created or modified within X days. Here X means any number. Using the find command you can also search which is created or modified within X minutes. 1. Search files created/modified within 30 days Use this command to search all files created or modified within 30...
This tutorial will help you to find files created or modified before X days. Here X means any number (eg: 1,2 or 30). Using find command you can also search which is created or modified before X minutes. 1. Search files created/modified before 30 days Use this command to search all files created or...
Question – How do I sort du -h command output by there sizes? In the GNU Coreutils >= 7.5 package, sort command provides -h parameter allows to compare human-readable numbers (e.g., 10K 15M 1G etc). This helps up to compare the results of `du -h` and short them. du -h * | sort -h...
SFTP is SSH File Transfer Protocol. This works over ssh protocol for secure file transfer between two remote systems. The latest OpenSSH servers have default configured SFTP server for you. You can also use this or this tutorial to configure sftp only user on your Linux system without SSH access. Connect to SFTP Use...
For example, you are running time-consuming processes and you don’t want that job killed due to terminal closed. To handle this situation, you can simply remove a job from an active job table. so that the job isn’t killed when the terminal closes. Instructions 1. Press CTRL + Z to suspend current running process....
Zstandard in short zstd is a new small and faster data compression tool developed by Facebook. It is an implementation of a new data compression algorithm. zstd also offers highly configurable compression speed, with the fast modes at > 200 MB/s. It also features a very fast decoder, with speeds > 500 MB/s per...
While working with the archive files, sometimes you are required to list archive file contents instead of extract an archive file. Using this you can see the files available in an archive file. Read another tutorial with 18 Linux tar command examples List Archive File Contents (Quick Commands) The -t switch is used for...
Sometimes you may be required to write or append multiple lines to a file. You can use multiple methods to write multiple lines to a file through command line in Linux system. Here are three methods described below. Method 1:- You can write/append content line by line using the echo command. echo "line 1...
Question- How to POST JSON data with curl? How to POST JSON data with curl command line? How do I POST JSON data on Linux terminal? You can add -H "Content-Type: application/json" header value to Post the JSON data to curl command line. For example, I have an API URL https://api.example.com/v2/login, that is used...