sahidursuman’s gists

sahidursuman / create-users.sh

Created April 16, 2018 16:23 — forked from grenade/create-users.sh

Create multiple new user accounts on Linux, set passwords to match usernames, force password change at first login and add users to some-user-group.

	for username in foo bar baz qux
	do
	/usr/sbin/useradd $username
	echo $username \| passwd $username --stdin
	chage -d 0 $username
	/usr/sbin/usermod -a -G some-user-group $username
	done

sahidursuman / get-git-prompt.sh

Created April 16, 2018 16:23 — forked from grenade/get-git-prompt.sh

Switch on git-prompt on Fedora Core 18/19 (explanation: http://log.amitshah.net/2012/11/__git_ps1-not-found-after-upgrade-to-fedora-18)

	cat >/etc/profile.d/git.sh <<'EOF'
	source /usr/share/git-core/contrib/completion/git-prompt.sh
	export GIT_PS1_SHOWDIRTYSTATE=true
	export GIT_PS1_SHOWUNTRACKEDFILES=true
	export PS1='\[\033[00;36m\]\u@\h\[\033[00m\]:\[\033[01;34m\] \w\[\033[00m\]$(__git_ps1 " (%s)")\$ '
	EOF

sahidursuman / generate-ssh-key.sh

Created April 16, 2018 16:22 — forked from grenade/01-generate-ed25519-ssh-key.sh

Correct file permissions for ssh keys and config.

	ssh-keygen -t rsa -b 4096 -N '' -C "[email protected]" -f ~/.ssh/id_rsa
	ssh-keygen -t rsa -b 4096 -N '' -C "[email protected]" -f ~/.ssh/github_rsa
	ssh-keygen -t rsa -b 4096 -N '' -C "[email protected]" -f ~/.ssh/mozilla_rsa

sahidursuman / verbose-ssh.sh

Created April 16, 2018 16:22 — forked from grenade/verbose-ssh.sh

SSH at maximum verbosity (for debugging).

ssh -vvv -o LogLevel=DEBUG3

sahidursuman / sane-gnome-settings.sh

Created April 16, 2018 16:22 — forked from grenade/sane-gnome-settings.sh

My personal Gnome preferences

	# Sane settings for Gnome
	gsettings set org.gnome.desktop.background show-desktop-icons true
	gsettings set org.gnome.desktop.interface clock-show-date true
	gsettings set org.gnome.settings-daemon.plugins.xsettings antialiasing 'grayscale'
	gsettings set org.gnome.settings-daemon.plugins.xsettings hinting 'slight'
	gsettings set org.gnome.desktop.interface text-scaling-factor '1.0'
	gsettings set org.gnome.desktop.interface monospace-font-name "Monospace 10"
	gsettings set org.gnome.desktop.interface document-font-name 'Sans 10'
	gsettings set org.gnome.desktop.interface font-name 'Cantarell 10'
	gsettings set org.gnome.desktop.wm.preferences titlebar-font 'Cantarell Bold 10'

sahidursuman / set-hostname.sh

Created April 16, 2018 16:22 — forked from grenade/set-hostname.sh

Set hostname on Fedora, RedHat

	echo "hostname.domain.example.com"> /etc/hostname
	hostname -F /etc/hostname
	echo "HOSTNAME=$(hostname)">/etc/sysconfig/network
	echo 127.0.0.1 $(hostname) $(hostname -s) localhost.localdomain localhost > /etc/hosts
	echo ::1 localhost6.localdomain6 localhost6 >> /etc/hosts

sahidursuman / vagrant-host-setup.sh

Created April 16, 2018 16:21 — forked from grenade/vagrant-host-setup.sh

Install Vagrant and its dependencies on Fedora / RedHat

	sudo wget -O /etc/yum.repos.d/virtualbox.repo http://download.virtualbox.org/virtualbox/rpm/fedora/virtualbox.repo
	sudo yum -y update
	sudo yum -y install binutils qt gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-devel dkms VirtualBox-4.2 vagrant
	sudo yum -y clean all
	wget http://download.virtualbox.org/virtualbox/4.2.16/Oracle_VM_VirtualBox_Extension_Pack-4.2.16-86992.vbox-extpack
	VBoxManage extpack install Oracle_VM_VirtualBox_Extension_Pack-4.2.16-86992.vbox-extpack
	rm -f Oracle_VM_VirtualBox_Extension_Pack-4.2.16-86992.vbox-extpack

	sudo useradd vagrant
	sudo usermod -a -G vboxusers vagrant

sahidursuman / install-ubuntu-fonts.sh

Created April 16, 2018 16:21 — forked from grenade/install-ubuntu-fonts.sh

Install Ubuntu fonts on Fedora / RedHat

	sudo yum -y install ttmkfdir
	wget http://font.ubuntu.com/download/ubuntu-font-family-0.80.zip
	mkdir /tmp/ubuntu-font-family-0.80
	unzip -j ubuntu-font-family-0.80.zip -d /tmp/ubuntu-font-family-0.80
	rm -f ubuntu-font-family-0.80.zip
	sudo mkdir /usr/share/fonts/ubuntu
	sudo mv /tmp/ubuntu-font-family-0.80/*.ttf /usr/share/fonts/ubuntu
	rm -rf /tmp/ubuntu-font-family-0.80
	cd /usr/share/fonts/ubuntu
	ttmkfdir > fonts.dir

sahidursuman / enable-sshd.sh

Created April 16, 2018 16:21 — forked from grenade/enable-sshd.sh

Enable the ssh daemon on Fedora Core 19 and start accepting connections.

	# Turn off SELinux at boot
	sudo sed -i.bak -e 's#SELINUX=enforcing#SELINUX=permissive#g' /etc/selinux/config

	# Turn off SELinux now
	sudo setenforce Permissive

	# Make sshd start at boot
	sudo chkconfig sshd on

	# Start sshd now

sahidursuman / color_chart.sh

Created April 16, 2018 16:20 — forked from grenade/color_chart.sh

Bash color chart. Useful for creating a better [PS1](https://gist.github.com/grenade/fbb22fbb774ce3df8add)

	#!/bin/bash

	useage() {
	printf "\n\e[1;4mAscii Escape Code Helper Utility\e[m\n\n"
	printf " \e[1mUseage:\e[m colors.sh [-\|-b\|-f\|-bq\|-fq\|-?\|?] [start] [end] [step]\n\n"
	printf "The values for the first parameter may be one of the following:\n\n"
	printf " \e[1m-\e[m Will result in the default output.\n"
	printf " \e[1m-b\e[m This will display the 8 color version of this chart.\n"
	printf " \e[1m-f\e[m This will display the 256 color version of this chart using foreground colors.\n"
	printf " \e[1m-q\e[m This will display the 256 color version of this chart without the extra text.\n"

Sahidur Rahman Suman sahidursuman