PUBLIC MARKS with tags server & shell

Many times, you want to execute a command not only on one server, but also on several servers. For example, find out * Version of kernel * Version of Apache web server * Update static html or images files on all web servers via rsync * Find out user information, server information, memory usage etc * Security/patch checking tentakel I have already covered how to execute commands on multiple Linux or UNIX servers via shell script. The disadvantage of script is commands do not run in parallel on all servers. However, several tools exist to automate this procedure in parallel. With the help of tool called tentakel, you run distributed command execution. It is a program for executing the same command on many hosts in parallel using ssh (it supports other methods too). Main advantage is you can create several sets of servers according requirements. For example webserver group, mail server group, home servers group etc. The command is executed in parallel on all servers in this group (time saving). By default, every result is printed to stdout (screen). The output format can be defined for each group.

Vmware server comes with the nifty vmware-cmd utility. It allows an administrator to perform various operations on a virtual machine from Linux command line / shell prompt such as: => Stop / Start VM => Get VM status => Setup variables => Powerdown VM and much more

Fine post about tuning a Linux Apache MySQL PHP (LAMP) Server. From the software approach to the TCP tuning. Many clues about tuning a linux server.

Nice tips for producing a simple delay with batch on windows XP by doing a ping or adding the windows server 2003 sleep.exe

LESS-Like usage on a windows XP by using LIST command line tool. Nice Tips.

Another usefull tips for Windows XP admins. A GREP-Like command : QGREP.

Usefull workaround for missing tail command on windows XP. Good tips for windows admins.