How to Fix Locate Cannot Start mlocate.db No Such File or Directory
In some cases, you might see the below error while trying to search a file/directory on your Linux server using locate command. Even the mlocate package is installed on your system.
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How to Install WordPress Using Nginx and PHP 7.4 on CentOS 7
This post discusses how to install WordPress with the Nginx web server paired with PHP v7.4 and MariaDB database or more popularly abbreviated as LEMP (Linux Nginx MySQL/MariaDB PHP) on CentOS 7 Linux. 1. By default, SELinux is enabled on…
How to Fix GPG Key Retrieval Failed Errno 14 Curl#37 in Centos 7
In some cases, when you install some packages on your CentOS 7. You get the following error: Total size: 7.4 M Installed size: 27 M Downloading packages: warning: /var/cache/yum/x86_64/7/fbi/packages/vim-common-7.4.629-8.el7_9.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 18cd4a9e: NOKEY Retrieving key from…
How to Get the Size of a Directory in Linux
When listing the contents of a directory using the ls command, you may have noticed that the size of the directories is almost always 4096 bytes (4 KB). That’s the size of space on the disk that is used to…
How To Find and Delete Files Older Than X Days in Linux
It’s always recommended to find and cleanup your old files which are no longer necessary after a certain period of time. This will save you some disk space. This brief tutorial walks you through how to find and delete files…
How to Delete Files Older Than X Days Automatically in Linux
In this article I will show example of cronjob for Linux to delete files older than 10 days. To edit or create new crontab file, type the following command: crontab -e Note You should be extremely careful and double check…
How to Schedule Delete a Log File in Linux
In this article I will show very basic shell Script to Delete Log Files in Linux and schedule logs deletion using a cron job. The Linux operating system and running applications constantly generate various types of messages that are logged…
How to Open Firewall Ports in Windows using PowerShell
Windows Defender Firewall is a great feature in modern Windows versions. You may have an app (e.g., a local FTP server) which requires a port(s) to be open so other computers on your network can connect to it. Note You…
The System Shutdown Cannot be Initiated Because Users Logged On
Restart-Computer -ComputerName 10.10.5.56 -Credential admin If you intend to shut down, or restart a remote computer using PowerShell, you may see the following error message: Note PS C:Usersadmin> Restart-Computer -ComputerName 10.10.5.56 -Credential admin Restart-Computer : Failed to restart the computer…
How to Enable Windows Remote Management WinRM in Windows
The WinRM service is available in all modern Windows versions. In Windows Server it is enabled by default, but it is disabled in desktop Windows 11/10/8.1 editions. By default, the WinRM listener doesn’t accept remote connections. To check it, run…