From 7a30b088be795c9c033d78b07b9744917bfa22ab Mon Sep 17 00:00:00 2001
From: Jibon Costa <jiboncosta57@gmail.com>
Date: Thu, 26 Mar 2020 18:07:12 +0600
Subject: checker

---
 dependencies_check.sh | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++
 namespace_checker.sh  | 21 ++++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100755 dependencies_check.sh
 create mode 100755 namespace_checker.sh

diff --git a/dependencies_check.sh b/dependencies_check.sh
new file mode 100755
index 0000000..5f60992
--- /dev/null
+++ b/dependencies_check.sh
@@ -0,0 +1,70 @@
+#!/bin/bash
+
+packages="gconf-service
+libasound2
+libatk1.0-0
+libc6
+libcairo2
+libcups2
+libdbus-1-3
+libexpat1
+libfontconfig1
+libgcc1
+libgconf-2-4
+libgdk-pixbuf2.0-0
+libglib2.0-0
+libgtk-3-0
+libnspr4
+libpango-1.0-0
+libpangocairo-1.0-0
+libstdc++6
+libx11-6
+libx11-xcb1
+libxcb1
+libxcomposite1
+libxcursor1
+libxdamage1
+libxext6
+libxfixes3
+libxi6
+libxrandr2
+libxrender1
+libxss1
+libxtst6
+ca-certificates
+fonts-liberation
+libappindicator1
+libnss3
+lsb-release
+xdg-utils
+wget"
+
+declare -a neededPackages
+
+for packageName in $packages; do
+  if ! dpkg-query -l "$packageName" > /dev/null 2>&1; then
+    neededPackages[${#neededPackages[@]}]="$packageName"
+  fi
+done
+
+
+neededCount=${#neededPackages[@]}
+
+if [[ $neededCount -gt 0 ]]; then
+  echo "-----------------------------------------------------"
+  echo "Run the following to get all of the required packages"
+  echo "-----------------------------------------------------"
+  echo "sudo apt install \\"
+  for i in "${neededPackages[@]}"; do
+    output="$i"
+
+     if [[ ${neededPackages[@]: -1 } != "$i" ]]; then
+        output+=" \\"
+     fi
+
+    echo "$output"
+  done
+  echo "-----------------------------------------------------"
+fi
+
+exit 0
\ No newline at end of file
diff --git a/namespace_checker.sh b/namespace_checker.sh
new file mode 100755
index 0000000..801ab81
--- /dev/null
+++ b/namespace_checker.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+VALUE=$(cat /boot/config-$(uname -r) | grep CONFIG_USER_NS)
+
+if [[ -z "$VALUE" ]]
+then
+  echo 'You do not have namespacing in the kernel. You will need to enable the SUID sandbox or upgrade your kernel.'
+  echo 'See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox_development.md'
+  exit 1
+fi
+
+USER_NS_AVAILABLE="${VALUE: -1}"
+
+if [[ "$USER_NS_AVAILABLE" == "y" ]]
+then
+  exit 0
+else
+  echo 'You do not have namespacing in the kernel. You will need to enable the SUID sandbox or upgrade your kernel.'
+  echo 'See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox_development.md'
+  exit 1
+fi
\ No newline at end of file
-- 
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