From the blog

Grep case sensitive examples and usage

grep is one of the most useful tools to find text characters, words and phrases inside your Linux box.  Today we will show you how the correct usage of grep case sensitive parameter to find the exact information…

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eth0 NIC Link is Down error on Linux

This error has happened to me a few times in the past years. The network suddendly gets frozen and then it cames back after a few seconds, on other times it gets frozen and the only way to…

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How to find MySQL root password on MySQL 5.7

Where is the MySQL 5.7 root password? That was the question I made yesterday when I was going to connect to MySQL 5.7 console. Here is what I found about this simple question for MySQL 5.7 users. Find…

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How to recover email box from a cPanel full backup

Q: How can you recover an email box and all its stored emails from a cPanel backup? A: You can recover an email box from a cPanel full backup extracting and copying the email files. Let’s see how…

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MYSQL error (1547): Column count of mysql.proc is wrong

MySQL Problem: Column count of mysql.proc is wrong. Expected 20, found 16. The table is probably corrupted. That was the error seen on the MYSQL shell when I was about to generate a MySQL dump . It simplydenied…

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ERROR 1805 (HY000): Column count of mysql.user is wrong. Table is probably corrupted

On the nixcp.com server the other day I found something weird when I was about to grant MySQL privileges to a new MySQL user. When I ran the SQL query, an error appeared on the screen: ERROR 1805 (HY000):…

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Could not increase number of max_open_files to more than 12000

Exploring the MySQL error log file on a cPanel server I found this odd message: Could not increase number of max_open_files to more than 12000.  This was happening on a CentOS 7 + cPanel + CloudLInux server. What is…

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