Updates your Ping.fm status and websites supported by ping.fm (like twitter, facebook, and google talk).
If you need to keep an eye on a command whose output is changing, use the watch command. For example, to keep an eye on your load average
Lists all opened sockets (not only listeners), no DNS resolution (so it's fast), the process id and the user holding the socket. Previous samples were limiting to TCP too, this also lists UDP listeners. Show Sample Output
Parse the output of git status. Once the line '# Changed but not updated:' has passed print every last part of the line if it exists on disk.
This short snippet outputs the state of all containers available on your system. It is quite helpful to see which ones are running and which are stopped. Please notice that the "sort -u" is needed, otherwise running containers will be reported twice (see output of "lxc-ls" on its own for why) Show Sample Output
The command lets you know the status of the Caps, Num and Scroll Lock in the terminal. This is useful when the Netbook has no LED indicators Show Sample Output
This command telnet and and looks for a line starting with "SSH" - works for OpenSSH since the SSH banner is something like "SSH-2.0-OpenSSH_6.0p1 Debian-4+deb7u3". Then it triggers an action accordingly.
It can be packed as a script file to echo 0/1 indicating the SSH service availability:
if [[ "$(sleep 1 | telnet -c <host> <port> 2>&1 | grep '^SSH')" == SSH* ]]; then echo 1; else echo 0; fi;
Alternative uses:
Trigger an action when server is UP (using &&):
[[ "$(sleep 1 | telnet -c <host> <port> 2>&1 | grep '^SSH')" == SSH* ]] && <command when up>
Trigger an action when server is DOWN (using ||):
[[ "$(sleep 1 | telnet -c <host> <port> 2>&1 | grep '^SSH')" == SSH* ]] || <command when down>
Coreutils 8.24 added status=progress
urls.txt should have a fully qualified url on each line
prefix with
rm log.txt;
to clear the log
change curl command to
curl --head $file | head -1 >> log.txt
to just get the http status
Show Sample Output
check apache2 status with a lot of details
Values will depend on the driver and the hardware specifics, so you need to refer to your driver documentation for proper interpretation of those values. Show Sample Output
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