Linux – Page 37 – Pario TechnoBlob

Linux

Share calendar between Zimbra users

This post describes how to create shared calendars between two users in Zimbra 5.0 In this example, the administrator designates a mount point to userA@example.com for the calendar to userB@example.com account for which he will have read/write permissions. As user zimbra do the following zmmailbox mbox> adminAuthenticate -u https://server.example.com:7071 admin@example.com password mbox> selectMailbox userB@example.com mailbox: […]

Network

Use local DNS name and IP from DHCP

For Red Hat Linux if you receive your IP address from a DHCP server, you may update the local DNS name by adding the following line to the correct ifcfg file in /etc/sysconfig/network-scripts, such as ifcfg-eth0 or ifcfg-eth1: DHCP_HOSTNAME=”myhostname.example.com” If you are running Debian, edit /etc/network/interfaces as follows (adding the hostname line) iface eth0 inet […]

Linux

Exporting and importing Zimbra LDAP data

The reasons can vary from an emergency restore of user accounts, to changing system architecture. In this Administrator’s PowerTip we will discuss how to export(dump) LDAP data to disk, and re import it. Dumping LDAP Data to Disk Exporting the data will place all of your LDAP Data into a single, movable .LDIF file. su […]

Network

Use ssh on multiple servers simultaneous

If you have many servers to manage and want to perform the same tasks on each of the machine every day, then you should look at the package named clusterssh. Install the clusterssh package apt-get install clusterssh Perform the same command on the three servers server1 server2 and server3 cssh server1 server2 server3 This opens […]

Linux

Using GNU screen’s multiuser feature

Sometimes it’s useful to let someone see what you are doing in a console sessison. GNU screen is the tool for the job and lets a remote user follow on-screen what you are doing, great feature when you try to explain something over the phone. To share your session you must start screen on the […]