Shell Commands and Utilities

This is a terse collection of commands and utilities I find useful for shells. There is little distinction between programs and commands as commands are programs (and are installed or come pre-installed) and programs have commands. Also included is a shell (Fish Shell) and some other shell applications/utilities (Mosh, Nano). bc - basic calculator See ... Read more

Nano Command Line Text Editor

Nano is pretty awesome, fully open source, and has mnemonics for most commands. Note that I use Fish Shell on OSX, CentOS and Ubuntu. Various benefits accrue, when scripting and also autocomplete and such. Various Commands and Such Set Nano as default editor of git in OSX Search and Replace Apparently this is also case ... Read more

ntpd, ntpdate, chrony on CentOS

Recently, I'm on a server that chrony just barfs on, so my preferred time mechanism doesn't work. Indeed, ntpdate doesn't work as well. Turns out that ntpdate is obsolete (or being obsoleted). After a lot of nonsense, it turns out that running ntpd from the commandline is possible, as long as it is not currently ... Read more

Mainstream RHEL Derivatives

Spending time looking into AMI (Amazon Linux), it is as usual with the plethora of Amazon products, sometimes hard to get info about what it is. I take this not as a bad thing (though it does take time) but rather a feature that emerges from the *let's develop lots of stuff all at once" ... Read more

SCP – Secure Copy

scp, the secure version of cp, aka copy, is pretty great, since it is straightforward to copy one or more files or directories from any one machine to any other machine (and the command could be running on a third machine). SCP Syntax Note: it is best to use sudo, and full paths for everything. ... Read more

Webmin, Virtualmin

> Note: as of 2017 I no longer use webmin or virtualmin, though I still believe it is much better than Cpanel and other related. This page will not be updated over time with information about Webmin and Virtualmin, and perhaps Usermin, and Cloudmin. Basically Webmin and Virtualmin are similar in functionality to the more ... Read more

Intel Compute Stick

05-Nov-2016 - Note: I've reached the conclusion that I will entertain no more underpowered devices as they are ultimately so limited their return on investment vastly underperforms overpowered devices. This means Intel Compute Sticks are no longer acceptabe acceptable. The Intel NUC is now what I consider to be the future of the desktop. I've ... Read more

fuser and lsof

fuser and lsof are two important tools showing which processes are using what files and/or sockets. Fuser is the simpler one focused on finding out what processes are using a given file (or port), while lsof can list processes without specifying, such as all open sockets Fuser fuser stands for file user and lists process ... Read more

We use cookies only for WordPress functionality, and do not use third-party analytics or tracking.