#!/bin/bash
####
# This script automatically creates user accounts with random passwords.
#
# Author: Russ Sanderlin
# Date: 01/21/15
#
###
if [ $# -lt 1 ]; then
echo "Please supply a user name"
echo "Example: " $0 "jsmith"
exit
fi
# Declare local variables, generate random password.
newuser=$1
randompw=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 8 | head -n 1)
# Create new user and assign random password.
useradd $newuser
echo $newuser:$randompw | chpasswd
echo "UserID:" $newuser "has been created with the following password:" $randompw
Password management should be simple and follow Unix philosophy. With pass, each password lives inside of a gpg encrypted file whose filename is the title of the website or resource that requires the password. These encrypted files may be organized into meaningful folder hierarchies, copied from computer to computer, and, in general, manipulated using standard command line file management utilities.
pass makes managing these individual password files extremely easy. All passwords live in ~/.password-store, and pass provides some nice commands for adding, editing, generating, and retrieving passwords. It is a very short and simple shell script. It’s capable of temporarily putting passwords on your clipboard and tracking password changes using git.
…a mechanism that installs updates automatically so you don’t have to worry about it. Obviously, this is meant for personal servers operated by hobbyists where convenience is more important than availability. In a professional environment, you would test new packages first because seemingly innocent changes may break complex applications.
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Every user on a system may have their own crontab file. The location of the root and user crontab files are system dependant but they are generally below /var/spool/cron.
There is a system-wide /etc/crontab file, the /etc/cron.d directory may contain crontab fragments which are also read and actioned by cron. Some Linux distributions (eg, Red Hat) also have /etc/cron.{hourly,daily,weekly,monthly} which are directories, scripts inside which will be executed every hour/day/week/month, with root privilege.
After a while of work the right palm rest get so hot that I’m unable to keep my finger on the fingertip reader for more than two seconds. There is hidden the wireless card under the right palm rest. This is very annoying design bug of Lenovo X61s.
