Contents
check ubuntu version[]
root@cory:~# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04 LTS Release: 14.04 Codename: trusty
add appdev user[]
root@cory:~# useradd -m appdev root@cory:~# useradd -m -d /home/appdev appdev root@cory:~# passwd appdev su appdev
- sudo with no passwd
shell> su
shell> chmod +w /etc/sudoers
shell> echo '${username} ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
shell> chmod -w /etc/sudoers
shell> exit
stop default apache2[]
root@cory:~# /etc/init.d/apache2 stop * Stopping web server apache2
fix /etc/sudoers error[]
- I change /etc/sudoers file cause some error like:
>>> /etc/sudoers: syntax error near line 30 <<<
- for fix , run as root , then fix the /etc/sudoers file
>pkexec su >vi /etc/sudoers file
add alias for root[]
- check current user alias
yufei@yufeidesktop:~$ alias alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\)"' alias egrep='egrep --color=auto' alias fgrep='fgrep --color=auto' alias grep='grep --color=auto' alias l='ls -CF' alias la='ls -A' alias ll='ls -alF' alias ls='ls --color=auto'
- pkexec su - change to root
pkexec su vi /root/.bashrc
you can find follow line
if [ -f ~/.bash_aliases ]; then . ~/.bash_aliases fi
- create .bash_aliases , add the alias content to it.
install .deb package[]
- To install a downloaded Debian (Ubuntu) package
sudo dpkg -i packagename.deb
- To remove a Debian (Ubuntu) package (.deb)
sudo dpkg -r packagename
- To Reconfigure/Repair an installed Debian (Ubuntu) package
sudo dpkg-reconfigure packagename
apt-get[]
sudo apt-get install -f libavahi-compat-libdnssd1 sudo dpkg -i synergy-v1.7.4-stable-c734bab-Linux-x86_64.deb
