Update cheatsheets

tldr/linux/bwrap

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# bwrap
+
+> Run programs in a lightweight sandbox.
+> More information: <https://manned.org/bwrap>.
+
+- Run a program in a read-only environment:
+
+`bwrap --ro-bind / / {{/bin/bash}}`
+
+- Give the environment access to devices, process information and create a `tmpfs` for it:
+
+`bwrap --dev-bind /dev /dev --proc /proc --ro-bind / / --tmpfs /tmp {{/bin/bash}}`

tldr/linux/eglinfo

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# eglinfo
+
+> Display platform EGL information.
+> More information: <https://github.com/dv1/eglinfo>.
+
+- Display full platform information:
+
+`eglinfo`
+
+- Display a brief version of platform information:
+
+`eglinfo -B`
+
+- Display help:
+
+`eglinfo -h`

tldr/linux/ifstatus

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ifstatus
+
+> Display OpenWRT interface status in JSON format.
+> More information: <https://openwrt.org/docs/techref/netifd>.
+
+- Display interface status:
+
+`ifstatus {{interface_name}}`

tldr/linux/logread

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# logread
+
+> Read the `logd` ring buffer log.
+> More information: <https://openwrt.org/docs/guide-user/base-system/log.essentials>.
+
+- Print the log:
+
+`logread`
+
+- Print a specified number of messages:
+
+`logread -l {{N}}`
+
+- Filter messages by (Keyword/Regular Expression):
+
+`logread -e {{pattern}}`
+
+- Print log messages as they happen:
+
+`logread -f`

tldr/linux/trap

@@ -14,7 +14,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - List the commands and the names of the expected events:
 
-`trap -p`
+`trap`
 
 - Execute a command when a signal is received:
 
@@ -23,3 +23,7 @@ source: https://github.com/tldr-pages/tldr.git
 - Remove commands:
 
 `trap - {{SIGHUP}} {{SIGINT}}`
+
+- Ignore a signal:
+
+`trap '' {{SIGINT}}`