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Category Archives: Sys Admin

Limit account number in qmailadmin

13-Mar-09

you can do this by creating ( or editing ) /var/vpopmail/domains/domainname/.qmailadmin-limits , the below code will limit all settings to 30 accounts per feature. maxpopaccounts: 30 maxaliases: 30 maxforwards: 30 maxautoresponders: 30 maxmailinglists: 30

Centos5: nfs clients get premission denied

18-Feb-09

While working on ny NFS cluster project , I could not mount my nfs exports from clients ( FreBSD & Centos ). on the FreeBSD client I got these responses : [udp] server:/data/dir1: Permission denied on the CentOS client I got these responses: mount: server:/data/dir1 failed, reason given by server: Permission denied On the Centos [...]

Setup NTP on CentOS 5.2

17-Feb-09

I am working on building a DRBD cluster and as with all cluster tools , you must have a synced time between nodes. 1. install ntp yum -y install ntp 2. enable ntp on boot chkconfig ntpd on 3.run a manual time sync before starting the service ntpdate 0.pool.ntp.org 4. start the service service ntpd [...]

find whats causing a busy partition in freebsd

13-Feb-09

trying to umount an nfs or external disk partition and got “partition busy” ? use fstat -f to find out what the hold up … -f      Restrict examination to files open in the same file systems as              the named file arguments, or to the file system containing [...]

Install Dell Openmanage on CentOS 5.2

24-Jan-09

follow this link : Dell OMSA 5.5 Linux repository