Category: linux

This is the longest Linux shell command I’ve written! Last time, we presented the bash/awk command line prints the block number and the number of hours since last time …

How many hours/minutes or blocks are there since last time you generate a block as a witness? Today we are going to find out the answer using the LINUX …

I decide to terminate one of my VPS server (QuickHostUK) and don’t want any data be leaked even they are not so critical important. You may first backup all …

The Linux Bash Shell supports inherent task parallelism. For example, you can put a & (ampersand) symbol after each command to start a task in background (asynchronously). Let’s take …

The ping command is popular and it is often used to tell if a server is online. You can ping a host by sending some small packages of data …