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Monthly Archives: November 2010
Zone files
Domain zone file $TTL 3h ; value that instructs non-authoritatively DNS servers how long to keep the data in cache @ TTL IN SOA primary_nameserver. email_address. ( 1000 ; serial number – to be increased with each zone file modification … Continue reading
Bind: named.conf structure
named.conf sections The named.conf consists of a general section (options, logging etc) and the zones section. All lines (except the opening curly brackets only rows) must end with a semicolon. The named.conf general section The option container in named.conf. options{ … Continue reading
NFS: Network File System
By using NFS a server shares a directory with a client. CAUTION: the com between the server and the client is done in clear so it’s basically not safe. NFS Server Configuration 1. First you need to make sure the … Continue reading
Yum install from local repository
In case you ever need to install by yum something local (from a CD for instance in case you don’t have Internet access and you need to compile the ethernet card’s loadable module) you may use this: yum –disablerepo \* … Continue reading
CentOS IP configuration files
These files and their contents might be specific/relevant in part only to cPanel /etc/sysconfig/networking/devices/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth0 Both of the above have this content: DEVICE=eth0 BOOTPROTO=static BROADCAST=x.x.x.255 HWADDR=x:x:x:x:x:x IPADDR=ip_in_question NETMASK=255.255.255.0 NETWORK=x.x.x.0 ONBOOT=yes /etc/sysconfig/network-scripts/ifcfg-ethx-range0 IPADDR_START=85.9.22.8 IPADDR_END=85.9.22.9 CLONENUM_START=0 NETMASK=255.255.255.0 /etc/ips (this contains only the … Continue reading