When this option is used after the given time limit is reached, the timeout command sends the SIGKILL signal to the managed program that cannot be caught or ignored. To make sure the monitored command is killed, use the -k ( -kill-after) option followed by a time period. In those situations, the process continues to run after the termination signal is sent. SIGTERM, the default signal sent when the time limit is exceeded, can be caught or ignored by some processes. To get a list of all available signals, use the kill -lĬommand: kill -l Killing Stuck Processes # The following command is identical to the previous one: sudo timeout -s 9 ping 8.8.8.8 You can specify the signal by the name, such as SIGKILL, or its number like 9. You can specify which signal to send using the -s ( -signal) option.Ĭommand after one minute, you would use: sudo timeout -s SIGKILL ping 8.8.8.8 If no signal is given, timeout sends the SIGTERM signal to the managed command when the time limit is reached. If you want to run a command that requires elevated privileges such as tcpdumpīefore timeout: sudo timeout 300 tcpdump -n -w data.pcap Sending Specific Signal # Terminate a command after one minute and six seconds: timeout 1.1m ping 8.8.8.8 Terminate a command after five minutes: timeout 5m ping 8.8.8.8 Terminate a command after five seconds: timeout 5 ping 8.8.8.8 #Termius timeout how to#Here are a few basic examples demonstrating how to use the timeout command: The command options must be provided before the arguments. If the duration is set to zero, the associated timeout is disabled. When no unit is used, it defaults to seconds. The DURATION can be a positive integer or a floating-point number, followed by an optional unit suffix:
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