Ssh shorthand name for hostnames
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.
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Bash: Grep through a large number of files – “Argument list too long”
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…
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Grep for forensic log parsing and analysis on Windows Server IIS
How to use GnuWin32 ported tools like grep.exe and find.exe for forensic log file analysis in Windows Server. In this article I’ll give some real live examples of using these ported GnuWin tools like grep.exe for logfile analysis on Windows servers. The article provides three example, as an alternative to LogParser, because finding spam scripts fast is often very important.
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Check IP address blacklist status in Bash
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.
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