linux下ifconfig、shutdownなどのコマンドは使用できません_Shellコマンドを開く
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RedHat Linux 5 ifconfig
RedHat Linux 5 , , : ifcinfig IP, , “command not found”, ? , , :
1、 , , PATH , echo $PATH , PATH :
( /sbin PATH )
(1) , , :
export PATH=$PATH:/sbin
(2) , :
~/.bash_profile PATH=$PATH:$HOME/bin :/sbin, PATH=$PATH:$HOME/bin:/sbin
, source ~/.bash_profile 。
(3) , :
/etc/profile export PATH=$PATH:/sbin
, source etc/profile 。
2、
[root@admin007]# /sbin/ifconfig
/etc/profile
[root@amdin007]# vi /etc/profile
if
# Path manipulation
if [ "$EUID" = "0" ]; then
pathmunge /sbin
pathmunge /usr/sbin
pathmunge /usr/local/sbin
fi
:
# Path manipulation
#if [ "$EUID" = "0" ]; then
pathmunge /sbin
pathmunge /usr/sbin
pathmunge /usr/local/sbin
#fi
, !
, , 。
linux起動レベルの設定
/proc
cat /proc/cpuinfo - CPU (i.e. vendor, Mhz, flags like mmx)
cat /proc/interrupts -
cat /proc/ioports - IO
cat /proc/meminfo - (i.e. mem used, free, swap size)
cat /proc/partitions -
cat /proc/pci - PCI
cat /proc/swaps - Swap
cat /proc/version - Linux
# 0 - halt (Do NOT set initdefault to this) ( )
# 1 - Single user mode
# 2 - Multiuser, without NFS (The same as 3, if you do not have networking) , NFS
# 3 - Full multiuser mode
# 4 - unused
# 5 - X11
# 6 - reboot (Do NOT set initdefault to this) ( )
RedHat , /etc/inittab, id:?:initialization , ? [0-6], 5, [1-3]。