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1,Èç¹û»¹ÄÜÓÃÆÕͨÓû§µÇ½µÄ»°,%df /etc,È·¶¨°üº¬/etcĿ¼·ÖÇøµÄÉ豸Ãû

%df /etc

/ /dev/dsk/c0t0d0s0...

´ËÀýÖÐÊÇc0t0d0s0,Èç¹ûÄãµÄ¸ùĿ¼·ÖÇøÉ豸²»Ò»ÑùµÄ»°,Ìæ»»Ò»Ï¾ͿÉÒÔÀ²

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4,°´ÏÂstop+A

5,ok״̬ϼüÈëboot cdrom -s

6,ÔÚ#Ìáʾ·ûϼüÈëmkdir /temp ,È»ºó¼üÈëmount /dev/dsk/c0t0d0s0 /temp

Èç¹û³öÏÖ¹Ò½Ó²»ÉϵÄÇé¿öʱ,ÄÇô¾ÍÔËÐÐfsckÏÈ fsck /dev/rdsk/c0t0d0s0,È»ºóÔÚmount

7,cd /temp/etc

8,cp shadow shadowbak

9,cat shadow

µÃµ½rootµÄ¿ÚÁî×Ö·û´®

root:djglcj0J:6453::::(ÆäÖÐdjglcj0J¾ÍÊÇrootµÄ¼ÓÃܺóµÄ¿ÚÁî×Ö·û´®)

10,sed s/djglcj0J// shadow>shadownew

11,cat shadownew²é¿´ÊÇ·ñÒѾ­±äΪ

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12,cp shadownew shadow

13,cd /

unmount /temp

sync

shutdown -i0 -g0 -y

14,È¡³öCDºó,ÖØÆðϵͳ,Õâʱroot¾Í²»ÐèÒªÃÜÂëÀ²£¡

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#TERM=sun

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#reboot

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½«ÉÏÊöÖÆ×÷µÄRoot filesystemÅ̰²×°µ½Ó²ÅÌÉÏ¡£

# mount /dev/fd0135ds18 /mnt

ÔÙ½«Ó²ÅÌÉϵÄ/etc/passwd ºÍ/tcb/files/auth/r/rootÁ½¸öÎļþ¿½±´µ½Root filesystemÅÌÉÏ¡£

# cp /etc/passwd /mnt

# cp /tcb/files/auth/r/root /mnt

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# umount /dev/rfd0135ds18

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# mount /dev/hd0root /mnt

±¸·ÝÓ²ÅÌÉϵÄ/etc/passwdºÍ/tcb/files/auth/r/rootÁ½¸öÎļþ¡£ÒòΪÕâÁ½¸öÎļþÖл¹°üº¬ÆäËûÓû§µÄ×¢²áÐÅÏ¢¡£

ÓÃRoot filesystemÈíÅÌÉϵÄÁ½¸öÎļþ£¬¸²¸ÇÓ²ÅÌÉϵÄÁ½¸öÎļþ/etc/passwd ºÍ/tcb/files/auth/r/root¡£

# mkdir /cyh

# mount /dev/fd0135ds18 /cyh

# cd /cyh

# cp passwd /mnt/etc

# cp root /mnt/tcb/files/auth

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# umount /dev/fd0135ds18

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1.ÔÚϵͳ½øÈëµ¥Óû§×´Ì¬£¬Ö±½ÓÓÃpasswd rootÈ¥¸ü¸Ä

2.Óð²×°¹âÅÌÒýµ¼ÏµÍ³£¬½øÐÐlinux rescue״̬£¬½«Ô­À´/·ÖÇø¹Ò½ÓÉÏÀ´,×÷·¨ÈçÏ£º

cd /mnt

mkdir hd

mount -t auto /dev/hdaX(Ô­À´/·ÖÇøËùÔڵķÖÇøºÅ) hd

cd hd

chroot ./

passwd root

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3.½«±¾»úµÄÓ²ÅÌÄÃÏÂÀ´£¬¹Òµ½ÆäËûµÄlinuxϵͳÉÏ£¬²ÉÓõİ취ÓëµÚ¶þÖÖÏàͬ

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1. ÔÚ³öÏÖ lilo: Ìáʾʱ¼üÈë linux single

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2. »Ø³µ¿ÉÖ±½Ó½øÈëlinuxÃüÁîÐÐ

3. #vi /etc/shadow

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