There is no absolute security on the internet or through a network. Because our equipment is regularly connected to the internet and there is some communication, we need to protect the critical information we exchange. Encryption will be a welcome [...]
LINUX COMMANDS
Linux Chage Command to Set Password Aging for User
The command name ‘chage’ is an acronym for ‘change age’. This command is used to change the user's password aging/expiry information. As a system administrator, it's your task to enforce password changing policies so that after a certain period of [...]
Linux Find Command with Practical Examples
The find command is a powerful search utility used to locate files in Linux and Unix like operating system. It can find files and directories based on different criteria like name, extension, type, modification and creation date, permissions, size, owner. [...]
How to Check NFS Client Connection with Rpcinfo Command
Rpcinfo command shows each RPC-based service locally or on a remote Linux machine. In this tutorial, I will show you a couple of commands to troubleshoot NFS related issues. Check NFS service status Issue the following command on the NFS [...]
How to Check OS Version in Linux
Linux version can be checked using inbuilt commands or can read from specific files. It is important to determine the distribution name and version on many occasion like when doing package updates or OS update. There are a lot of [...]
Rsync Examples to Transfer Files in Linux
On Linux operating system, the 'rsync' stands for Remote Sync. It's an utility used to synchronize (copy) files and directories from a source (SRC) to a destination (DEST). Files and directories could be synced on a local host or to/from [...]
Learn Linux Route Add Command with Examples
Routing is the way that computers communicate on a local network or over the internet. To communicate over a network, computers need to know which gateway it should send traffic. A gateway could be a router in your network. The [...]
Tr Command in Linux with Examples
The tr (translate) command is used in Linux mainly for translating and deleting characters. It can be used to convert uppercase to lowercase, squeeze repeating characters and deleting characters. Tr command requires two sets of characters for transformations and also [...]