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	id	titulo	contenido
Seleccionar	59	ssh ohne password von localen zum entfernten Rechner	Auf dem localen Rechner: % ssh-keygen -t rsa Es fragt nach dem passphrase. Man less es blank Das generiert die dateien ~/.ssh/id_rsa und ~/.ssh/id_rsa.pub auf dem entfernten Rechner �ftet man mit einem editor ~/.ssh/authorized_keys und kopiert man die zeile von id_rsa.pub des Servers. Achtung, diese zeile ist sehr lang
Seleccionar	58	man pages with extension	$ man -S3 getopt
Seleccionar	57	Suse Release	$ cat /etc/SuSE-release
Seleccionar	56	vmware 4.5.2 any-any-any patch	http://knihovny.cvut.cz/ftp/pub/vmware/
Seleccionar	55	vmware nach der kernel patch	#reboot #cd /usr/src/linux #make cloneconfig #make prepare-all #vmwar-config.pl
Seleccionar	54	Duplicate Linux	cp -a /bin /boot /dev /etc /home /lib /lost+found /mnt /root /sbin /tmp /usr /var in to new-disk
Seleccionar	53	PRINTER: Laserwriter 16/600 PS IPAdress zuweissen	arp -s lhepsp9 08:00:07:04:a3:62
Seleccionar	52	Router Suse	Mit yast Network services/routing starten dann $> modprobe ipt_MASQUERADE # If this fails, try continuing anyway $> iptables -F; iptables -t nat -F; iptables -t mangle -F $> iptables -t nat -A POSTROUTING -o eth0 -j SNAT --to 123.12.23.43 $> echo 1 > /proc/sys/net/ipv4/ip_forward
Seleccionar	51	Redireccion to stdout and stderr	$ command >junk 2>&1 to redirect both stdout and stderr to junk
Seleccionar	50	DHCP server SuSE 8.2	datei /etc/dhcpd.conf subnet 192.168.139.0 netmask 255.255.255.224 { range 192.168.139.10 192.168.139.20; option routers 192.168.139.1; option domain-name "unibe.ch"; option domain-name-servers 130.92.4.41, 130.92.9.50; } Example von Internet: Führen Sie als root folgendes Kommando aus: route add -host 255.255.255.255 dev eth0 Sollte die Fehlermeldung 255.255.255.255: Unknown host auftreten, dann tragen Sie folgenden Eintrag in Ihre /etc/hosts ein: 255.255.255.255 dhcp Ist dieser eingefügt setzen Sie folgendes Kommando ab: route add -host dhcp dev eth0 Optionen des DHCPD ------------------------------ # Sample /etc/dhcpd.conf # (add your comments here) default-lease-time 1200; max-lease-time 9200; option subnet-mask 255.255.255.0; option broadcast-address 192.168.1.255; option routers 192.168.1.254; option domain-name-servers 192.168.1.1, 192.168.1.2; option domain-name "mydomain.org"; subnet 192.168.1.0 netmask 255.255.255.0 { range 192.168.1.10 192.168.1.100; range 192.168.1.150 192.168.1.200; } Dieses Beispiel erlaubt dem DHCP Server einem Client IP Adressen im Bereich von 192.168.1.10-192.168.1.100 oder 192.168.1.150-192.168.1.200 zuzuweisen. Wenn der Client keine größeres Zeitfenster anfordert vergibt der DHCP Server eine IP Adresse für 1200 Sekunden. Das maximal erlaubte Zeitfenster für die Adreßzuordnung durch den Server beträgt 9200 Sekunden. Auf Anfrage sendet der Server dem Client die folgenden Parameter: Benutze 255.255.255.0 als Subnetzmaske Benutze 192.168.1.255 als Broadcastadresse Benutze 192.168.1.254 als default Gateway Benutze 192.168.1.1 und 192.168.1.2 als DNS Server. Um Windows Clients einen WINS Server zuzuordnen ist in der dhcpd.conf folgende Option notwendig: option netbios-name-servers 192.168.1.1;
Seleccionar	49	Masquerading Suse8.2	Assuming external internet card is eth0, and external IP is 123.12.23.43 and the internal network card is eth1, then: $> modprobe ipt_MASQUERADE # If this fails, try continuing anyway $> iptables -F; iptables -t nat -F; iptables -t mangle -F $> iptables -t nat -A POSTROUTING -o eth0 -j SNAT --to 123.12.23.43 $> echo 1 > /proc/sys/net/ipv4/ip_forward
Seleccionar	48	floppy duplicate	# dd if=/dev/fd0 of=.img bs=512 # dd if=.img of=/dev/fd0 bs=512 or # cp /dev/fd0 .img # cp .img /dev/fd0
Seleccionar	47	mysql Dump database definitions	mysqldump -h"host" -u"user" -p"passwd" -d --add-drop-table "myDatabase" > Mytmp.sql
Seleccionar	46	Printer Commands	View printer queue: lpq View printer status: lpc enable printer with CUPS: /usr/bin/enable
Seleccionar	45	Mac: Sharing files with Windows users	You can share the files on your computer with Windows computer users using SMB/CIFS. Open System Preferences, click Sharing, and turn on Windows File Sharing in the Services tab. Then, still in System Preferences, open Accounts preferences and create a new user account for each Windows user you want to share with. In the user's settings, be sure to select "Allow user to log in from Windows." If you can't log in to your Macintosh from a Windows computer, reenter your user account name on the Windows computer using all lowercase characters, reenter the password for the account exactly as you entered it in Mac OS X, then log out and log back in to the Windows computer using the new name and password.
Seleccionar	44	nfs neu starten (Sambabuch)	rcnfs restart rcportmaper restart
Seleccionar	42	Mac: how to change the workgroup used by Windows File Sharing.	The default workgroup is "WORKGROUP". To learn what a workgroup is, see technical document 106138, Windows File Sharing: What is a 'Workgroup'? To change the workgroup, follow these steps: 1. Open Directory Access (/Applications/Utilities/). 2. Click the padlock to authenticate as an Admin user. 3. Select SMB from the Services list. 4. Click Configure. 5. Select the name of the workgroup from the list, or type the name of the workgroup you wish to create. 6. Click OK. 7. Click Apply. 8. Quit Directory Access.
Seleccionar	41	Apache2	1) In file /etc/php.ini die variable register_globals auf On setzen zb. register_globals = On 2) In /etc/apache2/httpd.conf die zeile einfügen: Include /etc/apache2/lhep.conf Diese Datei enthält: LoadModule php4_module /usr/lib/apache2-prefork/libphp4.so SetOutputFilter PHP SetInputFilter PHP ##----------------------------------------------------------------------- NameVirtualHost * ServerName www.lhep.unibe.ch DocumentRoot "/home/lhep/www" # ------------------------------------------------------------------ AuthUserFile /home/lhep/www/.htpasswd AuthName "INTERNAL LHEP PAGE" AuthType Basic Require user lhep # ------------------------------------------------------------------ AuthUserFile /home/lhep/www/.htpasswd AuthName "NEWMASS PRIVATE" AuthType Basic Require user newmass # ------------------------------------------------------------------ AllowOverride None Options +ExecCGI -Includes SetHandler cgi-script # ------------------------------------------------------------------ AuthUserFile /home/lhep/www/.htpasswd AuthName "ORPHEUS PRIVATE" AuthType Basic Require user orpheus # ------------------------------------------------------------------ # AllowOverride None Options FollowSymLinks +ExecCGI +Indexes # # ------------------------------------------------------------------
Seleccionar	40	find examples	change owner: find / -uid 500 -exec chown 510 {}\; delete files: find Peliculas/English -type f -name "*.nfo" -exec rm {} \;
Seleccionar	39	mysql	MySQL server version 3.22.32 Port 3306 Data directory: /var/lib/mysql Change password: # mysqladmin password newpassword or: mysql> update user set password=passwor('new_password') where user='username'; mysql>flush privileges; Example: mysql> update user set password=password('gu') where user='root'; mysql> update user set password=password('penta') where user='mart'; or: mysql> GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP ON lm_db.* TO mart@localhost IDENTIFIED BY 'penta'; Example: mysql> grant select,insert,update,delete,create,drop on lm_db.* to mart@"%" identified by 'penta'; mysql> flush privileges; mysql commands: mysql> select version();courrentdate(); +-----------+ | version() | +-----------+ | 3.22.32 | +-----------+ mysql> select now(); +---------------------+ | now() | +---------------------+ | 2001-01-24 11:15:41 | +---------------------+ pc12:~% mysql -u root -pgu mysql> use mysql; Database changed mysql> show tables; +-----------------+ | Tables in mysql | +-----------------+ | columns_priv | | db | | func | | host | | tables_priv | | user | +-----------------+ mysql> create database m_db; mysql> exit; lheppc12:~% mysqlshow -u root -pgu mysql user Database: mysql Table: user Rows: 5 +-----------------+---------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------------+---------------+------+-----+---------+-------+ | Host | char(60) | | PRI | | | | User | char(16) | | PRI | | | | Password | char(16) | | | | | | Select_priv | enum('N','Y') | | | N | | | Insert_priv | enum('N','Y') | | | N | | | Update_priv | enum('N','Y') | | | N | | | Delete_priv | enum('N','Y') | | | N | | | Create_priv | enum('N','Y') | | | N | | | Drop_priv | enum('N','Y') | | | N | | | Reload_priv | enum('N','Y') | | | N | | | Shutdown_priv | enum('N','Y') | | | N | | | Process_priv | enum('N','Y') | | | N | | | File_priv | enum('N','Y') | | | N | | | Grant_priv | enum('N','Y') | | | N | | | References_priv | enum('N','Y') | | | N | | | Index_priv | enum('N','Y') | | | N | | | Alter_priv | enum('N','Y') | | | N | | +-----------------+---------------+------+-----+---------+-------+ mysql> select host,user,password from user; +-------------------+----------+------------------+ | host | user | password | +-------------------+----------+------------------+ | localhost | root | 6db8a3ad1c53bcbe | | pc12.unibe.ch | root | 6db8a3ad1c53bcbe | | localhost | | | | pc12.unibe.ch | | | | % | mart | 2ae2f8a422678189 | +-------------------+----------+------------------+ -------------------------------------------------------------------------------------------------------------- Database accessable from other computer: mysql> grant all privileges on *.* to myadmin@"%" identified by 'penta' with grant option; mysql> grant all privileges on *.* to myadmin@localhost identified by 'penta' with grant option; En MySQL 5.0 o superior hay que comentar la frase en /etc/mysql/my.cnf que dice: #bind-address = 127.0.0.1 -----------------------------------------------------------------------------------------------------------