LUA: urlencode and urldecode
function urlencode: function urldecode: Example: Result:
Month: June 2020
Linux: find files by date range
By modification time: Example: By access time: By change time: Example: delete all mp4 files with access time older than 7 days: Note: You can…
Linux: how to run commands on a remote server
In some cases, we need run commands on a remote server. Examples: Get disk information Get all running process … Syntax for running commands on…
Hetzner server: how to configure RAID-0
After order a server from Hetzner, you will receive an email with content login SSH Login SSH we will see a message: The server has…
Linux: how to get or delete first line of a file
Linux: how to get first line of a file Example: Linux: how to get last line of a file Example: Linux: how to delete first…
Linux: How to check your Local and Public IPv4/v6 address
Local IPv4 address Method 1: Method 2: Method 3: Method 4: Method 5: for eth0 interface: Public IPv4 address Method 1: Method 2: Method 3:…
Linux: how to replace contents of file
Example we have many html files with content like: How to replace <br> to new line of all html files with a command line in…
Linux: How to generate list of unique lines in a text file
We have two methods: Method 1: Method 2:
Linux: How to append contents of multiple files into one
Example we have many html file: How to join them into one file?
How to fix Error Nginx: (13: Permission denied) while connecting to upstream
How to fix Error Nginx: (13: Permission denied) while connecting to upstream This error is due by SELinux, so, we can fix this error by…