Getting bash: /usr/local/bin/npm: No such file or directory on Linux [New...
A quick question, answered on Heelpbook, about "Getting bash: /usr/local/bin/npm: No such file or directory on Linux", that prevents the usage of npm utility, even if completely reinstalled, in some...
View ArticleThe Locate command (Linux)
If there is something that is quite vital, on Linux systems in CLI mode (no GUIs, no KDE or Gnome), is to have a simple way to search for specific files/folders on the filesystem. To do this we can...
View ArticleFind the files modified in the past day (Linux) [New Question]
A quick question, answered on Heelpbook, about "Find the files modified in the past day on Linux", that can be used to quickly monitor/check which files have been modified during the past 24 hours....
View ArticleLinux – Zip (archive and compress) multiple files [New Question]
A quick question, answered on Heelpbook, about "Linux - Zip (archive and compress) multiple files", an activity quite common on any Linux system when we dealing with downloaded archives and organizing...
View ArticleLinux – Monitor Disk I/O on Terminal
Monitoring Disk I/O on Linux systems is one of the most common task to follow when analyzing the current performance status of a system and trying troubleshoot/optimize an existing environment, when...
View ArticleLinux – The cp command
One of the most common command to use (and need to be used) on Linux systems, especially when working on CLI only systems (with no GUI installed), is the cp (copy) command. The following section of...
View ArticleRun node.js app as a daemon process (Linux)
We have a node.js server/app and we start it by using npm start & (background mode) command through Putty. But the problem is that if we close Putty (or any other SSH client) the server will be...
View ArticleLinux – Mount ext4 USB flash drive to Raspberry Pi [New Question]
A quick question, answered on Heelpbook, about "Mount ext4 USB flash drive to Raspberry Pi", especially useful when attaching external storage, HDDs or SSDs, to a Raspberry PI (or any Linux-based...
View ArticleLinux – Methods to repeat a command every X seconds
A Linux system administrator needs to know, sometimes for specific type of tasks, how to run or repeat a Linux command every X seconds. You may need to run a command repeatedly in a certain period of...
View ArticleJava (JRE/JDK) – Check version installed
The Java development kit (JDK) contains tools for Java development, and the Java Runtime Environment (JRE) contains a JVM to convert byte code .class to machine code, and execute it, in short, the JRE...
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