Linux Goodies

A collection of nice Linux commands/tips & Tricks. Mostly for Red Hat and Red Hat based distributions.

• Building and signing RPM packages

• Cluster SSH

• Deprecated Linux networking commands and their replacements

• Determine network driver in use

• Determine public IP

• Encrypt file container with cryptsetup-luks

• Generate CPU load

• Generate hashed password string

• Raid Controller utils

• HP RPM repository

• Hot add memory & CPU for VmWare Linux guests

• Installing Doku wiki

• Installing Fedora 16

• Installing Red Hat from NFS server

• Interface bonding

• ISO handling

• ITM agent

• Kernel module information

• List harddrive information

• List webserver information

• Local Red Hat repository

• LVM handling

• Make SNMP quiet in messages log

• Multipath handling

• NFS server and client configuration

• Outgoing mails from Postfix to relayhost

• Port scanning

• Prevent SSH Brute Force Attacks

• Process start date and time

• Read comma separated file (CSV) within bash script

• Re-read partition table

• Rescan SCSI bus

• Copy files with rsync

• SAN FC

• Script to determine Red Hat / Fedora version

• Security enhanced Linux

• Serial communication

• Simple user handling

• Simple vi/vim handling

• SSL handling with openssl

• Sorting

• Static route

• tcpdump

• Time calculations

• Tmux

• TSM handling

• udev handling

• Update TSM and cfg2html

• Update Vmware-tools

• User login information

• VPN using VPNC

• X over SSH

• Yum/RPM handling