Category Archives: Operating System

Append/Write CRON Output to Log File in Linux (Unix)

Append or Write CRON Output to Log File

Append/Write CRON Output to Log File in Linux (Unix)

Append or Write CRON Output to Log File

Append CRON Output to Log :            The following syntax can be used to append the output of the shell scripts to the given file. Syntax : CRON_EXPRESSION COMMAND >> /OUTPUT_LOG_FILE_PATH/LOF_FILE 2>&1 Example :            The following example will append the output of the shell script test.sh to cron_output.log in the… Read More »

Error in VirtualBox – “This kernel requires the following feature not present on the CPU: pae”

Error in VirtualBox – “This kernel requires the following feature not present on the CPU: pae”

    You may have come across the following error when running virtual machine(Kali Linux Operating System in my case) in VirtualBox. This kernel requires the following feature not present on the CPU: pae     Normally a 32-bit CPU can have access only up to 4GB memory(RAM). But with PAE (Physical Address Extension) enabled… Read More »

Access Local Files or Static Content (Images, Videos, Media or any other files outside of the Web Application(WAR)) in the System using APACHE TOMCAT Server

Access Local Files or Static Content (Images, Videos, Media or any other files outside of the Web Application(WAR)) in the System using APACHE TOMCAT Server

This article details on how to access local directory files(IMAGES, VIDEOS or any other files) from the web application when using APACHE TOMCAT SERVER. Note that this configuration we implement is independent of the web application that we are using. STEPS TO FOLLOW Go to TOMCAT directory Go to  TOMCAT_DIRECTORY/conf/server.xml Add the following content in… Read More »

Cannot delete folder: It is being used by another person or program – How to Solve this Issue

Cannot delete folder: It is being used by another person or program – How to Solve this Issue

Cannot delete folder It is being used by another person or program - How to Solve this Issue

      Many of you might have faced this issue when ejecting pendrive or USB harddrive from the computer. This issue comes when the content of the pendrive pf the external drive being used by the system. For example, consider a word document from a pendrive is opened. Now you will not be able… Read More »