Avoiding repeating passwords in ssh_config file on CentOS 5

Environment : Server A, 192.168.2.10, server1.localdomain, root, user1 Server B, 192.168.2.20, server2.localdomain, root, user2 Condition : Server A, wanna put file of content in directory /app/web/ to Server B where owner is user1 and will execute by root

Linux Commands 6th

10 Notes on Applications   10.1 Mail Transfer Agents (MTAs) The Linux distributions I know come with sendmail, except for Mandrake, which as of version 7.1 uses Postfix as its default MTA. There are several competing programs available. Even the simplest don’t seem to be that easy to configure.   …

Linux Commands 5th

9 Alphabetical List of Principal Commands In the following command list, the distinction between upper case and lower case letters is important. Most of the commands are utilities that are run by invoking their own executable files. In some cases, they are commands which are internal to a shell such …

Linux Commands 4th

7 Important Daemons and Startup Services These are programs or processes which are run at boot time. Some remain in memory to execute various tasks when required (daemons). Most are started and stopped with scripts in the /etc/rc.d/init.d directory (see above). The exact contents of this directory will depend on …

Linux Commands 3rd

5 Important Directories Different distributions have different directory structures, despite attempts at standardization such as the the Linux Filesystem Hierarchy Standard (FHS) organization. /bin – essential UNIX commands such as ls, etc. Should contain all binaries needed to boot the system or run it in single-user mode /boot – files …