- [Show pagesource]
- [Old revisions]
- [[unknown link type]]
- []
This is an old revision of the document!
Table of Contents
Linux pro pokrocile
Osnova: Den prvni
- zakladni prace - ssh a editor vi, less, tail -f, logy, mc
- dhcp - vysvetleni na tabuli, zminka o PXE, nastaveni dhcp serveru
- samba - v zakladnim nejhloupejsim modu “share” pro domaci pouziti
- DNS - bind9 a zminka o utocich (podle sily skupiny) a dns-sec
- apache - zakladni instalace a vytvoreni virtual hosta
- FTP - vsftpd
Den druhy
- sledovani vykonu - nastroje top, vmstat, ps, pstree, collectd, swap?
- mysql - zakladni ukazka SQL, instalace, pridani uzivatelu a prav
- FTP - pure-ftpd a napojeni na sql
- postix - ten bude na dele cca 2 hodiny, zakladni server pro odesilani
- snmp - a obecne mereni switchu pres mrtg
Den treti:
- samba - vice hardcore - security - “user”, acl
- firewall - zakladni nastaveni
- RAID - no raid5, no raid5, no raid5
Problem:
perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "en_US.UTF-8" are supported and installed on your system.
Mozna reseni:
LANG=C nebo apt-get install locales vi /etc/locale.gen
A odkomentovat jen radek en_US.UTF8 a pregenerovat locales prikazem
locale-gen
Uvolnovani mista na disku
apt-get install localepurge localepurge
V nasem temer cistem systemu bylo uvolneno 70MB.
Dalsi misto muzeme ziskat vycistenim stazenych baliku od apt
ls -al /var/cache/apt/archives/ apt-get clean
DHCP
apt-get install isc-dhcp-server
Erroru se nebojte, zadne site nemate zatim definovane.
pripojili jsme novy bridge
brctl addbr dh0 xm network-attach xen-skoleni-10 bridge=dh0 ifconfig dh0 up
PXE nastaveni dhcp snooping+server na cisco (dopsat presny priklad)
Samba
security=share [starlab] comment = Starlab funny easy share folder browsable = yes read only = no path = /srv/data guest ok = yes
DNS
apt-get install bind9
file /etc/bind/named.conf.local
zone "zdenek.cz" { file "zdenek.cz"; type master; };
Ukazka zonoveho souboru
- /var/cache/bind/zdenek.cz
$ORIGIN zdenek.cz. $TTL 12345 zdenek.cz. IN SOA haleluja. skoleni.zdenek.cz. ( 0001; serial 1234; refresh 1234; retry 1234; expire 1234; minimum ) NS ibm.zdenek.cz. MX 10 ibm.zdenek.cz. MX 20 ja.zdenek.cz. ibm A 10.0.4.187 ja A 10.0.4.161
Zakazat AXFR prenos cele zony:
options { .... // ban everyone by default allow-transfer {"none";}; }; ... zone "example.com" in{ .... // explicity allow the slave(s) in each zone allow-transfer {192.168.0.3;}; };
linux/skoleni/start.1403532455.txt.gz · Last modified: 2014/06/23 16:07 by admin