https://ubuntuforums.org/showthread.php?t=884556
sudo fdisk -l sudo mdadm --detail /dev/md0 sudo umount /dev/md0 sudo mdadm --stop /dev/md0 sudo mdadm --zero-superblock /dev/sdax sudo mdadm --zero-superblock /dev/sdbx
https://help.ubuntu.com/lts/serverguide/NTP.html
http://www.timesynctool.com/
vim /etc/nagios3/commands.cfg
define command{
command_name check_snmp
command_line $USER1$/check_snmp -H $HOSTADDRESS$ -C public -o $ARG1$
}
vim /etc/nagios3/objects/hostname.cfg
define service{
use generic-service
host_name laptop
service_description Admin email
check_command check_snmp!.1.3.6.1.2.1.1.4.0
} Z wiersza poleceń:
snmpwalk -v1 -c public 192.168.1.1
Baza polskich kodów pocztowych:
https://www.poczta-polska.pl/hermes/uploads/2013/11/spispna.pdf
http://kody.poczta-polska.pl/ - wyszukiwarka
https://www.bphtfi.pl/baza-kodow-pocztowych/ - lista w xls (link nieaktywny)
Lista w xls PLIK
Nagios nie chce wywoływać zdalnych poleceń przez nrpe:
define service{
use generic-service
host_name komputer
service_description Free Space /dev/sda1
check_command check_nrpe!check_sda1
}
przez stronę pojawia się tylko komunikat
(No output returned from plugin)
Zobacz całość
http://askubuntu.com/questions/471847/brightness-fn-key-shortcut-doesnt-work-on-asus-laptop
sudo gedit /etc/default/grub
change
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi="
sudo update-grub
https://www.raspberrypi.org/forums/viewtopic.php?t=57552 - nie działa
sudo aptitude install xscreensaver vim /home/pi/.xscreensaver
mode: off
useradd -m vbox -G vboxusers passwd vbox
vi /etc/default/virtualbox
VBOXWEB_USER=vbox
update-rc.d vboxweb-service defaults service vboxweb-service start
apt-get install apache2-mpm-prefork apache2-utils apache2.2-bin apache2 apache2-doc apache2-suexec libapache2-mod-php5 libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libapr1 php5-common php5-mysql php-pear wget
service apache2 restart
cd /var/www/html wget http://downloads.sourceforge.net/project/phpvirtualbox/phpvirtualbox-4.3-1.zip unzip phpvirtualbox-4.3-1.zip mv phpvirtualbox-4.3-1 phpvirtualbox cd /var/www/html/phpvirtualbox/ cp config.php-example config.php
vi config.php
var $username = 'vbox'; var $password = 'secret';
Błąd podczas instalacji Windows 7 na Virtualboxie.
Kod błędu: 0xc0000225
Rozwiązanie:
Zmiana ustawień maszyny w Virtualboxie:
chipset from PIIX3 to ICH9
enabled IO APIC
Najpierw tworzymy nowy katalog na pliki strony
sudo mkdir -p /var/www/example.com/public_html
I nadajemy odpowiednie uprawnienia
sudo chown -R $USER:$USER /var/www/example.com/public_html
sudo chmod -R 755 /var/www
Dodajemy nowy plik konfiguracyjny w katalogu /etc/apache2/sites-available
sudo nano /etc/apache2/sites-available/example.com.conf
<VirtualHost *:80>
ServerAdmin admin@example.com
ServerName example.com
ServerAlias www.example.com
DocumentRoot /var/www/example.com/public_html
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
Aktywujemy nową stronę i restartujemy apache
sudo a2ensite example.com.conf sudo service apache2 restart
vim /usr/share/redmine/config/configuration.yml
# default configuration options for all environments
default:
# Outgoing emails configuration (see examples above)
email_delivery:
delivery_method: :smtp
smtp_settings:
address: smtp.domain.com
port: 587
domain: domain.com
authentication: :login
user_name: "redmine@domain.com"
password: "password"
cp /usr/share/redmine/config/configuration.yml /etc/redmine/configuration.yml
W wersji 4+
vim /opt/redmine/config/configuration.yml
# default configuration options for all environments
production:
delivery_method: :smtp
smtp_settings:
# tls: true
enable_starttls_auto: true
address: smtp.domain.com
port: 587
domain: domain.com
authentication: :plain
user_name: "redmine@domain.com"
password: "redmine_password"
service apache2 restart
$zipcode = '12-312';
preg_match("/^([0-9]{2})[-]?([0-9]{3})?$/i", $zipcode) // true/false
vim ~/.bashrc
alias mount='mount |column -t'
/dev/sda1 on / type ext4 (rw,errors=remount-ro) proc on /proc type proc (rw,noexec,nosuid,nodev) sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) none on /sys/fs/fuse/connections type fusectl (rw) none on /sys/kernel/debug type debugfs (rw) none on /sys/kernel/security type securityfs (rw) udev on /dev type devtmpfs (rw,mode=0755) devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620) tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755) none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880) none on /run/shm type tmpfs (rw,nosuid,nodev)