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docs/nohang.manpage.md

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+% nohang(8) | Linux System Administrator's Manual
+
+# NAME
+nohang - A sophisticated low memory handler
+
+# SYNOPSIS
+**nohang** [**OPTION**]...
+
+# DESCRIPTION
+nohang is a highly configurable daemon for Linux which is able to correctly prevent out of memory (OOM) and keep system responsiveness in low memory conditions.
+
+# REQUIREMENTS
+
+#### For basic usage:
+- Linux (>= 3.14, since MemAvailable appeared in /proc/meminfo)
+- Python (>= 3.3)
+
+#### To respond to PSI metrics (optional):
+- Linux (>= 4.20) with CONFIG_PSI=y
+
+#### To show GUI notifications (optional):
+- notification server (most of desktop environments use their own implementations)
+- libnotify (Arch Linux, Fedora, openSUSE) or libnotify-bin (Debian GNU/Linux, Ubuntu)
+- sudo if nohang started with UID=0.
+
+# OPTIONS
+
+#### -h, --help
+show this help message and exit
+
+#### -v, \-\-version
+show version of installed package and exit
+
+#### -m, \-\-memload
+consume memory until 40 MiB (MemAvailable + SwapFree) remain free, and terminate the process
+
+#### -c CONFIG, \-\-config CONFIG
+path to the config file. This should only be used with one of the following options:
+\-\-monitor, \-\-tasks, --check
+
+#### --check
+check and show the configuration and exit. This should only be used with -c/--config CONFIG option
+
+#### --monitor
+start monitoring. This should only be used with -c/--config CONFIG option
+
+#### --tasks
+show tasks state and exit. This should only be used with -c/--config CONFIG option
+
+# HOW TO CONFIGURE
+The program can be configured by editing the config file. The configuration includes the following sections:
+
+- Memory levels to respond to as an OOM threat
+- Response on PSI memory metrics
+- The frequency of checking the level of available memory (and CPU usage)
+- The prevention of killing innocent victims
+- Impact on the badness of processes via matching their names, cmdlines and UIDs with regular expressions
+- The execution of a specific command or sending any signal instead of sending the SIGTERM signal
+- GUI notifications:
+    - notifications of corrective actions taken
+    - low memory warnings
+- Verbosity
+- Misc
+
+Just read the description of the parameters and edit the values. Restart the daemon to apply the changes.
+
+# HOW TO TEST
+The safest way is to run **nohang --memload**. This causes memory consumption, and the process will exits before OOM occurs. Another way is to run **tail /dev/zero**. This causes fast memory comsumption and causes OOM at the end. If testing occurs while nohang is running, these processes should be terminated before OOM occurs.
+
+# LOGGING
+To view the latest entries in the log (for systemd users):
+
+$ **sudo journalctl -eu nohang.service**
+
+or
+
+$ **sudo journalctl -eu nohang-desktop.service**
+
+You can also enable **separate_log** in the config to logging in **/var/log/nohang/nohang.log**.

docs/oom-sort.manpage.md

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+% oom-sort(1) | General Commands Manual
+
+# NAME
+
+oom-sort - sort processes by oom_score
+
+# SYNOPSIS
+
+**oom-sort** [**OPTION**]...

docs/psi-top.manpage.md

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+% psi-top(1) | General Commands Manual
+
+# NAME
+
+psi-top
+
+# SYNOPSIS
+
+**psi-top** [**OPTION**]...

docs/psi2log.manpage.md

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+% psi2log(1) | General Commands Manual
+
+# NAME
+
+psi2log \- PSI metrics monitor and logger
+
+# SYNOPSIS
+
+**psi2log** [**OPTION**]...