http://www.raspberry-projects.com/pi/pi-operating-systems/raspbian/gui/disable-screen-sleep
vim /etc/lightdm/lightdm.conf
# don't sleep the screen
xserver-command=X -s 0 dpms Jeśli temat maila ma ponad 75 znaków, wysypuje się kodowanie.
http://stackoverflow.com/questions/8350865/malformed-email-subject-header-when-subject-75-chars-using-codeigniter-email-l
$config['newline'] = "\r\n";
$config['crlf'] = "\r\n"; sudo vim /boot/config.txt
lcd_rotate=2
sudo vim /boot/config.txt
https://www.raspberrypi.org/documentation/configuration/config-txt.md
mkdir /root/backup cp /etc/selinux/config /root/backup sed -i -e 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
echo "changing umask for users"
for user in $(awk -F: '( $3 >= 500 ){print $1}' /etc/passwd);
do
echo "umask 022" >> /home/$user/.bashrc
done
echo "umask check"
for user in $(awk -F: '( $3 >= 500 ){print $1}' /etc/passwd);
do
printf "%-10s" "$user" ; su -c 'umask' -l $user 2>/dev/null
done mkdir /root/backup/etc cp /etc/sysctl.conf /root/backup/etc/ echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf echo "net.ipv6.conf.default.disable_ipv6 = 1" >> /etc/sysctl.conf echo "net.ipv6.conf.lo.disable_ipv6 = 1" >> /etc/sysctl.conf mkdir /root/backup/etc/modprobe.d/ cp /etc/modprobe.d/blacklist.conf /root/backup/etc/modprobe.d/ echo "blacklist ipv6" >> /etc/modprobe.d/blacklist.conf mkdir /root/backup/etc/sysconfig/ cp /etc/sysconfig/network /root/backup/etc/sysconfig/ echo "NETWORKING_IPV6=no" >> /etc/sysconfig/network #powtorzyć dla każdego interfejsu mkdir /root/backup/etc/sysconfig/network-scripts/ cp /etc/sysconfig/network-scripts/ifcfg-eth* /root/backup/etc/sysconfig/network-scripts/ echo "IPV6INIT=no" >> /etc/sysconfig/network-scripts/ifcfg-eth0 echo "IPV6INIT=no" >> /etc/sysconfig/network-scripts/ifcfg-eth1
dodanie rekursywnie ACL'ki (rwx) na katalog
# setfacl -R -m "u:username:rwx" /jakis/katalog
sprawdzenie ACL'ki na pliku/katalogu
# getfacl /jakis/katalog
mysqldump -p --user=username database_name > zrzut_bazy.sql
mysql -u user -ppass -h localhost database_name < /home/www/zrzut_bazy.sql
http://www.rackspace.com/knowledge_center/article/mysql-resetting-a-lost-mysql-root-password
sudo /etc/init.d/mysql stop
sudo mysqld_safe --skip-grant-tables &
mysql -uroot
use mysql;
update user set password=PASSWORD("mynewpassword") where User='root';
flush privileges;
quit
sudo /etc/init.d/mysql stop && sudo /etc/init.d/mysql start
mysql -u root -p
sprawdza nasłuchujące porty na serwerze
netstat -tanp | grep 2222
łączy się z serwerem na danym porcie
telnet domena.pl 2222
http://www.systutorials.com/2546/duplicating-lvm-backed-xen-domu/
lvcreate -L20480 -s -n 'vm-10.0.0.124' /dev/vg_xen/vm-10.0.0.123
instalacja
apt-get install xen-linux-system-amd64 xen-tools
sprawdzamy czy host obsluguje HVM
egrep '(vmx|svm)' /proc/cpuinfo
jesli tak - doinstalowujemy
apt-get install xen-qemu-dm-4.0
zmieniamy priorytet bootowania sie systemu z jadra z obsluga xen
dpkg-divert --divert /etc/grub.d/08_linux_xen --rename /etc/grub.d/20_linux_xen
Zobacz całość
sudo mount -o username="user",password="password" //192.168.1.1/share /mnt/folder
https://wiki.ubuntu.com/MountWindowsSharesPermanently