Sending mail using script
cloudibee This is the sample script to send mail using script. I have used perl . You can try with shell script also , with the same way. — Contents of…
cloudibee
Fixing corrupted vmdk file
If your vmdk file is corrupted on Vmware server or Vmware ESX 3, you can use the tool at http://www.esxpress.com/tools/wrapgen.php to regenerate it. A good one.
Solaris : Link Aggregation : dladm
The command dladm is used to configure data-link interfaces in Sun Solaris. A configured data-link is represented in the system as interface that can be used for TCP/IP. Each data-link…
Linux Logical Volume manager – basics
Logical Volume manager (LVM) creates an abstraction layer over physical storage, that allows us to create logical storage volumes. This provides much greater flexibility than using physical storage directly. A…
Find your network interface speed and duplex settings
“ethtool” and “mii-tool” commands can be used to find the network card speed and the network link details. Find details about the network interface card : # ethtool eth0Settings for…
chage: Linux account expiration details
“chage” is the command to list & change the password aging information for linux account. The chage command changes the number of days between password changes and the date of…
Vmware 1.x server : vmware-cmd management utility
In VMware server 1.x, the Command line utility “vmware-cmd” is used to manage the Virtual machines. You can use the vmware-cmd utility to perform various operations on a virtual machine,…
Converting ext2 filesytem to ext3
The ext2 or second extended file system is a file system for the Linux kernel. ext2 is not a journaling file system, whereas, ext3 provides journaling and is almost completely…
IBM Aix Unix: Swap & Paging commands
List the paging space available in the system: Use lsps command.bash-3.00# You can also see the paging details in “prtconf” command. Adding additional paging space : Use mkps command. Verify…
Linux stress testing
Stress is a simple workload generator for Linux. It imposes a configurable amount of CPU, memory, I/O, and disk stress on the system. Capture the cpu load (uptime,mpstat), IO load…
Lightweight Window managers
If you are using Linux as your development environment and completely doing remote development and require some GUI, then you have to use lightweight window managers. Window managers with speed,…
Netapp hammer : Disk & Storage controller stress testing tool
Netapp has an disk & loop stress testing command (in advanced mode) to hammer and load test a filer. This hammer script generates huge I/O operations on the disks –…
Netapp nfsstat
How do you check which nfs client uses most of your filer’s nfs operations? . You have to enable the option “nfs.per_client_stats.enable”. This option would give you per nfs operations…
Vmware 2.0 : CLI management utility
Prior to Vmware server 2.0, vmware-cmd was the command line tool for the managements of the virtual machines. In Vmware 2.0, vmware-vim-cmd is the tool that can be used for…
rsyslogd
Rsyslog is an enhanced multi-threaded syslogd system utility providing support for message logging. Support of both internet and unix domain sockets enables this utility to support both local and remote…