A shell script to monitor server disk space and send an email alert to admin. This is useful if you are using rented dedicated / vps server and backup data to NAS everyday. This script will monitor disk space and it will send you an email. Make sure you setup your email id, NAS space [...]
When you cannot monitor your server for service availability, it is better to take help of automated monitor and restart utility. Last 4 days I was away from my server as I was enjoying my vacation. During this time due to load my lighttpd webserver died but it was restarted automatically within 2 minutes. I [...]
Here is a simple shell script tested on CentOS / RHEL / Fedora / Debian / Ubuntu Linux. Should work under any other UNIX liker operating system. It will check for httpd pid using pgrep command pgrep command pgrep looks through the currently running processes and lists the process IDs which matches the selection criteria [...]
#!/bin/bash # Simple SHELL script for Linux and UNIX system monitoring with # ping command # ————————————————————————- # Copyright (c) 2006 nixCraft project <http://www.cyberciti.biz/fb/> # This script is licensed under GNU GPL version 2.0 or above # ————————————————————————- # This script is part of nixCraft shell script collection (NSSC) # Visit http://bash.cyberciti.biz/ for more information. [...]
#!/bin/bash # # Script to notify admin user if Linux,FreeBSD load crossed certain limit # It will send an email notification to admin. # # Copyright 2005 (c) nixCraft project # This is free script under GNU GPL version 2.0 or above. # Support/FeedBack/comment : http://cyberciti.biz/fb/ # Tested os: # * RedHat Linux # * [...]
Shell script to get uptime, disk usage, cpu usage, RAM usage, system load, etc; from multiple Linux servers and output the information on a single server in html format #!/bin/bash # Shell script to get uptime, disk usage, cpu usage, RAM usage,system load,etc. # from multiple Linux servers and output the information on a single [...]
Shell script to display general FreeBSD and Linux System information such as, Hostname, OS version, Kernel version, Processor/CPU, Total RAM, System load, network interface, total logged in users, Hard disks, Runlevel etc in neat format. How do I use the script? You need to download following two files for FreeBSD operating systems: File # 1 [...]
A password is a form of secret authentication data that is used to control access to a resource. The password is kept secret from those not allowed access, and those wishing to gain access are tested on whether or not they know the password and are granted or denied access accordingly. This script find out [...]
#!/bin/bash # Shell script to find all world-writable files and directories on Linux or # FreeBSD system # # TIP: # Set ‘umask 002′ so that new files created will not be world-writable # And use command ‘chmod o-w filename’ to disable world-wriable file bit # # Copyright (c) 2005 nixCraft project # This script [...]
#!/bin/bash # Shell script to find all programs and scripts with setuid bit set on. # If your system ever cracked (aka hacked) then system has this kind of binary # installed; besides the normal setuuid scripts/programs # # *TIP* # User directory /home and webroots such as /www canbe mounted with # nosuid option. [...]
