From 2203e654b389586650d553251b04544a34f189bf Mon Sep 17 00:00:00 2001 From: Sn4il Date: Mon, 2 Sep 2024 15:54:35 +0300 Subject: LFS 12.2 --- lfs-12.2-sysv/scripts/apds03.html | 186 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 186 insertions(+) create mode 100644 lfs-12.2-sysv/scripts/apds03.html (limited to 'lfs-12.2-sysv/scripts/apds03.html') diff --git a/lfs-12.2-sysv/scripts/apds03.html b/lfs-12.2-sysv/scripts/apds03.html new file mode 100644 index 0000000..27392ac --- /dev/null +++ b/lfs-12.2-sysv/scripts/apds03.html @@ -0,0 +1,186 @@ + + + + + + D.3. /etc/rc.d/init.d/mountvirtfs + + + + + + + + +

+ D.3. + /etc/rc.d/init.d/mountvirtfs +

+
+
#!/bin/sh
+########################################################################
+# Begin mountvirtfs
+#
+# Description : Ensure proc, sysfs, run, and dev are mounted
+#
+# Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
+#               DJ Lucas - dj@linuxfromscratch.org
+# Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
+#               Xi Ruoyao - xry111@xry111.site
+#
+# Version     : LFS 12.0
+#
+########################################################################
+
+### BEGIN INIT INFO
+# Provides:            mountvirtfs
+# Required-Start:      $first
+# Should-Start:
+# Required-Stop:
+# Should-Stop:
+# Default-Start:       S
+# Default-Stop:
+# Short-Description:   Mounts various special fs needed at start
+# Description:         Mounts /sys and /proc virtual (kernel) filesystems.
+#                      Mounts /run (tmpfs) and /dev (devtmpfs).
+#                      This is done only if they are not already mounted.
+#                      with the kernel config proposed in the book, dev
+#                      should be automatically mounted by the kernel.
+# X-LFS-Provided-By:   LFS
+### END INIT INFO
+
+. /lib/lsb/init-functions
+
+case "${1}" in
+   start)
+      # Make sure /run is available before logging any messages
+      if ! mountpoint /run >/dev/null; then
+         mount /run || failed=1
+      fi
+
+      mkdir -p   /run/lock 
+      chmod 1777 /run/lock
+
+      log_info_msg "Mounting virtual file systems: ${INFO}/run"
+
+      if ! mountpoint /proc >/dev/null; then
+         log_info_msg2 " ${INFO}/proc"
+         mount -o nosuid,noexec,nodev /proc || failed=1
+      fi
+
+      if ! mountpoint /sys >/dev/null; then
+         log_info_msg2 " ${INFO}/sys"
+         mount -o nosuid,noexec,nodev /sys || failed=1
+      fi
+
+      if ! mountpoint /dev >/dev/null; then
+         log_info_msg2 " ${INFO}/dev"
+         mount -o mode=0755,nosuid /dev  || failed=1
+      fi
+
+      mkdir -p /dev/shm
+      log_info_msg2 " ${INFO}/dev/shm"
+      mount -o nosuid,nodev /dev/shm || failed=1
+
+      mkdir -p /sys/fs/cgroup
+      log_info_msg2 " ${INFO}/sys/fs/cgroup"
+      mount -o nosuid,noexec,nodev /sys/fs/cgroup || failed=1
+
+      (exit ${failed})
+      evaluate_retval
+      if [ "${failed}" = 1 ]; then
+         exit 1
+      fi
+
+      log_info_msg "Create symlinks in /dev targeting /proc: ${INFO}/dev/stdin"
+      ln -sf /proc/self/fd/0 /dev/stdin  || failed=1
+
+      log_info_msg2 " ${INFO}/dev/stdout"
+      ln -sf /proc/self/fd/1 /dev/stdout || failed=1
+
+      log_info_msg2 " ${INFO}/dev/stderr"
+      ln -sf /proc/self/fd/2 /dev/stderr || failed=1
+
+      log_info_msg2 " ${INFO}/dev/fd"
+      ln -sfn /proc/self/fd  /dev/fd     || failed=1
+
+      if [ -e /proc/kcore ]; then
+         log_info_msg2 " ${INFO}/dev/core"
+         ln -sf /proc/kcore  /dev/core   || failed=1
+      fi
+
+      (exit ${failed})
+      evaluate_retval
+      exit $failed
+      ;;
+
+   *)
+      echo "Usage: ${0} {start}"
+      exit 1
+      ;;
+esac
+
+# End mountvirtfs
+
+
+ + + -- cgit v1.2.3