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How to check the Kernel version in Linux (Ubuntu / CentOS / Red Hat / Debian)

As you aware, it is essential to upgrade Linux Kernel whenever this is an update available. Most of the updates fix the critical security vulnerabilities and other bugs fix. In our previous article, we have explained how can you upgrade your Linux Kernel to latest version (for CentOS and Red Hat servers). Once it is …

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Install and Configure maldet (Linux Malware Detect)

Maldet is a Linux Malware Detect (LMD) is a malware scanner for Linux servers. The signatures that LMD uses are MD5 file hashes and HEX pattern matches, they are also easily exported to any number of detection tools such as ClamAV. Following are the steps to install and configure maldet: [1] Download maldet from rfxn.com …

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CentOS / RHEL – Delete Old Yum Repositories and Configuration Files

Sometimes you may face the issue to install or update packages due to old repositories. So the question is, how can I delete old yum repositories and configuration files under CentOS and RHEL 5 Linux server? In this article, we will discuss how can we remove a repository. You can delete old yum repositories and …

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Command to add/edit/remove cron job (crontab) on Linux server

On Linux server, you will have to manage your cronjob (cron job) via SSH. crontab command is used to add/edit/remove a cron job on the server. Below are the few options of crontab command: crontab -l  – Displays the current cron jobs crontab -e – To edit the cron jobs crontab -r  – To remove …

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No acceptable C compiler found in $PATH – Linux

You may receive the following error while installing the package from source in Linux server: No acceptable C compiler found in $PATH You are receiving this error because the server does not have C compiler installed to compile the source. To fix this error, you can install gcc using the following command: yum install gcc …

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