Commands tagged internet (14)

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pretend to be busy in office to enjoy a cup of coffee
Create a progress dialog with custom title and text using zenity.

check open ports without netstat or lsof

Finding the number of cpu's

List your MACs address

create ext4 filesystem with big count of inodes
XX is your device partition number like /dev/sdc1 . to see how many inodes your partition have type: $ df --inodes (or df -i) Default formatting with ext4 would create small inode count for the new partition if you need big count of inodes is the fstype news the correct one. in debian you can see which fstype exists as template in: $ vim /etc/mke2fs.conf if you format default ext for a partition size with 1TB you would get 1 Million inodes (not enough for backupStorages) but if you format with fstype news you would get hunderd of millions of inodes for the partition. you have tune $/etc/sysctl.conf also with following sysconfig parameters $ fs.file-max = XXX $ fs.nr_open = XXX where XXX is the count of max inodes for whole system

find an unused unprivileged TCP port
Some commands (such as netcat) have a port option but how can you know which ports are unused?

Incase you miss the famous 'C:\>' prompt

sleep until X o'clock
pauses exactly long enough to wake at the top of the hour

Remove comments and empty lines from a conf file
Some conf file are very long (squid.conf) This command help to read it.

Sort file greater than a specified size in human readeable format including their path and typed by color, running from current directory
1. find file greater than 10 MB 2. direct it to xargs 3. xargs pass them as argument to ls


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