Update cheatsheets

tldr/linux/betterlockscreen

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # betterlockscreen
 
 > Simple, minimal lock screen.
-> More information: <https://github.com/pavanjadhaw/betterlockscreen>.
+> More information: <https://github.com/betterlockscreen/betterlockscreen>.
 
 - Lock the screen:
 

tldr/linux/checkinstall

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # checkinstall
 
 > Track the local installation of a software package, and produce a binary package which can be used with a system's native package manager.
-> More information: <http://checkinstall.izto.org>.
+> More information: <https://checkinstall.izto.org>.
 
 - Create and install a package with default settings:
 

tldr/linux/cpuid

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # cpuid
 
 > Display detailed information about all CPUs.
-> More information: <http://etallen.com/cpuid.html>.
+> More information: <https://etallen.com/cpuid.html>.
 
 - Display information for all CPUs:
 

tldr/linux/cpulimit

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # cpulimit
 
 > A tool to throttle the CPU usage of other processes.
-> More information: <http://cpulimit.sourceforge.net/>.
+> More information: <https://cpulimit.sourceforge.net/>.
 
 - Limit an existing process with PID 1234 to only use 25% of the CPU:
 

tldr/linux/cryptcat

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # cryptcat
 
 > Cryptcat is netcat with encryption capabilities.
-> More information: <http://cryptcat.sourceforge.net>.
+> More information: <https://cryptcat.sourceforge.net>.
 
 - [l]isten on a specified [p]ort and print any data received:
 

tldr/linux/daemonize

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # daemonize
 
 > Run a command (that does not daemonize itself) as a Unix daemon.
-> More information: <http://software.clapper.org/daemonize/>.
+> More information: <https://software.clapper.org/daemonize/>.
 
 - Run a command as a daemon:
 

tldr/linux/datamash

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # datamash
 
 > Perform basic numeric, textual and statistical operations on input textual data files.
-> More information: <http://www.gnu.org/software/datamash/>.
+> More information: <https://www.gnu.org/software/datamash/>.
 
 - Get max, min, mean and median of a single column of numbers:
 

tldr/linux/dirb

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # dirb
 
 > Scan HTTP-based webservers for directories and files.
-> More information: <http://dirb.sourceforge.net>.
+> More information: <https://dirb.sourceforge.net>.
 
 - Scan a webserver using the default wordlist:
 

tldr/linux/esa-snap

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # esa snap
 
 > Sentinel Application Platform (SNAP) for processing satellite data from the European Space Agency (ESA).
-> More information: <http://step.esa.int/main/download/snap-download/>.
+> More information: <https://step.esa.int/main/download/snap-download/>.
 
 - Display all updates:
 

tldr/linux/etckeeper

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # etckeeper
 
 > Track system configuration files in Git.
-> More information: <http://etckeeper.branchable.com/>.
+> More information: <https://etckeeper.branchable.com/>.
 
 - Set up a Git repo and perform various setup tasks (run from `/etc`):
 

tldr/linux/ethtool

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # ethtool
 
 > Display and modify Network Interface Controller (NIC) parameters.
-> More information: <http://manned.org/ethtool>.
+> More information: <https://manned.org/ethtool>.
 
 - Display the current settings for an interface:
 

tldr/linux/extundelete

@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Recover deleted files from ext3 or ext4 partitions by parsing the journal.
 > See also `date` for Unix time information and `umount` for unmounting partitions.
-> More information: <http://extundelete.sourceforge.net>.
+> More information: <https://extundelete.sourceforge.net>.
 
 - Restore all deleted files inside partition N on device X:
 

tldr/linux/gbp

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # gbp
 
 > A system to integrate the Debian package build system with Git.
-> More information: <http://honk.sigxcpu.org/projects/git-buildpackage/manual-html/gbp.html>.
+> More information: <https://honk.sigxcpu.org/projects/git-buildpackage/manual-html/gbp.html>.
 
 - Convert an existing Debian package to gbp:
 

tldr/linux/hlint

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # hlint
 
 > Suggest improvements to Haskell code.
-> More information: <http://hackage.haskell.org/package/hlint>.
+> More information: <https://hackage.haskell.org/package/hlint>.
 
 - Display suggestions for a given file:
 

tldr/linux/htpdate

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # htpdate
 
 > Synchronize local date and time via HTTP headers from web servers.
-> More information: <http://www.vervest.org/htp/>.
+> More information: <https://www.vervest.org/htp/>.
 
 - Synchronize date and time:
 

tldr/linux/http_load

@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > An HTTP benchmarking tool.
 > Runs multiple HTTP fetches in parallel to test the throughput of a web server.
-> More information: <http://www.acme.com/software/http_load/>.
+> More information: <https://www.acme.com/software/http_load/>.
 
 - Emulate 20 requests based on a given URL list file per second for 60 seconds:
 

tldr/linux/iw

@@ -6,7 +6,8 @@ source: https://github.com/tldr-pages/tldr.git
 # iw
 
 > Show and manipulate wireless devices.
-> More information: <https://manned.org/iw>.
+> See also: `iw dev`.
+> More information: <https://wireless.docs.kernel.org/en/latest/en/users/documentation/iw.html>.
 
 - Scan for available wireless networks:
 
@@ -23,3 +24,19 @@ source: https://github.com/tldr-pages/tldr.git
 - Show information about the current connection:
 
 `iw dev {{wlp}} link`
+
+- List all physical and logical wireless network interfaces:
+
+`iw dev`
+
+- List all wireless capabilities for all physical hardware interfaces:
+
+`iw phy`
+
+- List the kernel's current wireless regulatory domain information:
+
+`iw reg get`
+
+- Display help for all commands:
+
+`iw help`

tldr/linux/iw-dev

@@ -0,0 +1,38 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# iw dev
+
+> Show and manipulate wireless devices.
+> For a list of channels, frequencies and reg information: <https://wireless.docs.kernel.org/en/latest/en/developers/documentation/channellist.html>.
+> More information: <https://wireless.docs.kernel.org/en/latest/en/users/documentation/iw.html>.
+
+- Set device to monitor mode (interface must be down first. See also `ip link`):
+
+`sudo iw dev {{wlp}} set type monitor`
+
+- Set device to managed mode (interface must be down first):
+
+`sudo iw dev {{wlp}} set type managed`
+
+- Set device WiFi channel (device must first be in monitor mode with the interface up):
+
+`sudo iw dev {{wlp}} set channel {{channel_number}}`
+
+- Set device WiFi frequency in Mhz (device must first be in monitor mode with the interface up):
+
+`sudo iw dev {{wlp}} set freq {{freq_in_mhz}}`
+
+- Show all known station info:
+
+`iw dev {{wlp}} station dump`
+
+- Create a virtual interface in monitor mode with a specific MAC address:
+
+`sudo iw dev {{wlp}} interface add "{{vif_name}}" type monitor addr {{12:34:56:aa:bb:cc}}`
+
+- Delete virtual interface:
+
+`sudo iw dev "{{vif_name}}" del`

tldr/linux/lndir

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# lndir
+
+> Create a shadow directory of symbolic links to another directory tree.
+> More information: <https://manned.org/lndir>.
+
+- Create a shadow directory in the current directory:
+
+`lndir {{path/to/directory}}`

tldr/linux/numlockx

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # numlockx
 
 > Control the number lock key status in X11 sessions.
-> More information: <http://www.mike-devlin.com/linux/README-numlockx.htm>.
+> More information: <https://www.mike-devlin.com/linux/README-numlockx.htm>.
 
 - Show the current number lock status:
 

tldr/linux/physlock

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # physlock
 
 > Lock all consoles and virtual terminals.
-> More information: <http://github.com/muennich/physlock>.
+> More information: <https://github.com/muennich/physlock>.
 
 - Lock every console (require current user or root to unlock):
 

tldr/linux/pivpn

@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Easy security-hardened OpenVPN setup and manager.
 > Originally designed for the Raspberry Pi, but works on other Linux devices too.
-> More information: <http://www.pivpn.io/>.
+> More information: <https://www.pivpn.io/>.
 
 - Add a new client device:
 

tldr/linux/postfix

@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Postfix mail transfer agent (MTA) control program.
 > See also `dovecot`, a mail delivery agent (MDA) that integrates with Postfix.
-> More information: <http://www.postfix.org>.
+> More information: <https://www.postfix.org>.
 
 - Check the configuration:
 

tldr/linux/qjoypad

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # qjoypad
 
 > Translate input from gamepads or joysticks into keyboard strokes or mouse actions.
-> More information: <http://qjoypad.sourceforge.net/>.
+> More information: <https://qjoypad.sourceforge.net/>.
 
 - Start QJoyPad:
 

tldr/linux/runlim

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # runlim
 
 > Sample and limit time and memory usage of a program and its child processes using the proc file system on Linux.
-> More information: <http://fmv.jku.at/runlim>.
+> More information: <https://fmv.jku.at/runlim>.
 
 - Print the time and memory usage of a command:
 

tldr/linux/script

@@ -22,4 +22,8 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Record timing information (data is outputted to `stderr`):
 
-`script -t 2> {{path/to/timingfile}}`
+`script -t 2> {{path/to/timing_file}}`
+
+- Write out data as soon as it happens:
+
+`script -f {{path/to/file}}`

tldr/linux/speedometer

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # speedometer
 
 > Python script that shows a network traffic graph in the terminal.
-> More information: <http://excess.org/speedometer>.
+> More information: <https://excess.org/speedometer>.
 
 - Show graph for a specific interface:
 

tldr/linux/udisksctl

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # udisksctl
 
 > Interact with `udisksd` to query and manipulate storage devices.
-> More information: <http://storaged.org/doc/udisks2-api/latest/udisksctl.1.html>.
+> More information: <https://storaged.org/doc/udisks2-api/latest/udisksctl.1.html>.
 
 - Show high-level information about disk drives and block devices: