How to use shorthand names for hostnames with ssh? You don’t always want to type in a complete host name when using ssh to remote hosts. Here is how to configure and use shorthand hostnames with ssh.
Open-Xchange is an all-in-one Groupware solution, providing not only email, but also a CalDAV calendar, tasks, file- or InfoStore and an online document editor. All shareable with other users. The InfoStore is used to save documents online, in the cloud. This article is about accessing and mounting your Open-Xchange remote WebDAV InfoStore file share, on Linux with
mount.davfs or Dolphin GUI file manager.
The other day I was searching for a particular email file in an Maildir on one of our mail servers. Knowing only the From address, I thought I’d use
grep. Unfortunately it failed and gave me an error: /bin/grep: Argument list too long. Here is how to overcome this grep error…
Here is a Linux Bash shell script to check whether an IP address is listed in a DNSBL blacklist, or RBL. This is a modified version of a by J65nko posted Bash script to check an IP address reputation status in several blacklists. I’ve added HttpBl as backlist and an API key is required for this list. Using this script in Bash you can quickly test if an IP address is blacklisted.