Unit four operations

Login Student User

[[email protected] desktop]$ find/etc-name passwd # # # #在/etc directory by file name passwd find File # # #
Find: '/etc/pki/ca/private ': Permission denied # # # # #报错: No access to power # #
Find: '/etc/pki/tsyslog ': Permission denied
Find: '/etc/audit ': Permission denied
/ETC/PASSWD # # # #正确输出 # # #
Find: '/ETC/POLKIT-1/RULES.D ': Permission denied
Find: '/etc/polkit-1/localauthority ': Permission denied
Find: '/ETC/GRUB.D ': Permission denied
Find: '/etc/selinux/targeted/modules/active ': Permission denied
/etc/pam.d/passwd
Find: '/etc/lvm/archive ': Permission denied
Find: '/etc/lvm/backup ': Permission denied
Find: '/etc/lcm/cache ': Permission denied
Find: '/etc/dhcp ': Permission denied
Find: '/etc/firewalld ': Permission denied
Find: '/etc/audisp ': Permission denied
Find: '/ETC/SUDOERS.D ': Permission denied
Find: '/etc/ipsec.d ': Permission denied
Find: '/etc/libvirt ': Permission denied
Find: '/etc/cups/ssl ': Permission denied
[[email protected] desktop]$ find/etc-name passwd 2>/dev/null # # # #在/etc directory to find files according to the file name passwd, and throw the wrong output into the trash bin that is/dev/n ulll File # # # #
/ETC/PASSWD # # # #屏蔽掉错误输出后, only the correct output is displayed in bash
/etc/pam.d/passwd
[[email protected] desktop]$ find/etc-name passwd >/mnt/find.out # # # #在/etc directory to find files by file name passwd and correct output to/mnt/fin # # # # # # D.out File
BASH:/mnt/find.out:permission denied # # # #报错: No access to power # #
[[email protected] desktop]$ ls-ld/mnt/# # # # #列出 The properties of the/mnt/directory itself # #
Drwxr-xr-x. 2 root root 6 Mar 2014/mnt/####/mnt/directory for all users to access the directory and view their file information while also adding or deleting files, for all groups and others can only access and view the directory # # # #
[Email protected] desktop]$ Su-root # # # # #切换到超级用户root # # # #
Password: # # # #输入密码 (password no echo) # # # #
[[email protected] desktop]# chmod o+w/mnt/# # # #添加/mnt/directory for other users to add or remove Files Permissions # # #
[Email protected]host desktop]# ls-ld/mnt/
Drwxr-xrwx. 2 root root 6 Mar 2014/mnt/# # # #修改后的属性 # # # # #
[Email protected] desktop]# Logout # # # # #退出用户登陆 # # # #
[[email protected] desktop]$ find/etc-name passwd >/mnt/find.out # # # #在/etc directory to find files by file name passwd and correct output to/mnt/fin # # # # # D.out
Find: '/etc/pki/ca/private ': Permission denied # # # #正确的输出到文件, bash shows the rest of the error # # #
Find: '/etc/pki/tsyslog ': Permission denied
Find: '/etc/audit ': Permission denied
Find: '/ETC/POLKIT-1/RULES.D ': Permission denied
Find: '/etc/polkit-1/localauthority ': Permission denied
Find: '/ETC/GRUB.D ': Permission denied
Find: '/etc/selinux/targeted/modules/active ': Permission denied
Find: '/etc/lvm/archive ': Permission denied
Find: '/etc/lvm/backup ': Permission denied
Find: '/etc/lcm/cache ': Permission denied
Find: '/etc/dhcp ': Permission denied
Find: '/etc/firewalld ': Permission denied
Find: '/etc/audisp ': Permission denied
Find: '/ETC/SUDOERS.D ': Permission denied
Find: '/etc/ipsec.d ': Permission denied
Find: '/etc/libvirt ': Permission denied
Find: '/etc/cups/ssl ': Permission denied
[[email protected] desktop]$ find/etc-name passwd 2>/mnt/find.err # # # #在/etc directory according to the filename passwd file, and the wrong output to/mnt/find . err####
/ETC/PASSWD # # # #错误的输出到文件, bash shows the rest of the correct # # #
/etc/pam.d/passwd
[[email protected] desktop]$ find/etc-name passwd &>/mnt/find.all # # # #在/etc directory according to file name passwd file, and all output to/MNT/FI nd.all####
[[email protected] desktop]$ Cat/mnt/find.all # # # # #查看/mnt/find.all File Content # # # #
Find: '/etc/pki/ca/private ': Permission denied
Find: '/etc/pki/tsyslog ': Permission denied
Find: '/etc/audit ': Permission denied
/etc/passwd
Find: '/ETC/POLKIT-1/RULES.D ': Permission denied
Find: '/etc/polkit-1/localauthority ': Permission denied
Find: '/ETC/GRUB.D ': Permission denied
Find: '/etc/selinux/targeted/modules/active ': Permission denied
/etc/pam.d/passwd
Find: '/etc/lvm/archive ': Permission denied
Find: '/etc/lvm/backup ': Permission denied
Find: '/etc/lcm/cache ': Permission denied
Find: '/etc/dhcp ': Permission denied
Find: '/etc/firewalld ': Permission denied
Find: '/etc/audisp ': Permission denied
Find: '/ETC/SUDOERS.D ': Permission denied
Find: '/etc/ipsec.d ': Permission denied
Find: '/etc/libvirt ': Permission denied
Find: '/etc/cups/ssl ': Permission denied
[[email protected] desktop]$ find/etc-name passwd &>>/mnt/find.all # # # #在/etc/directory by file name passwd find files and append all to/ # # # # # Mnt/find.all
[Email protected] desktop]$ Cat/mnt/find.all
Find: '/etc/pki/ca/private ': Permission denied
Find: '/etc/pki/tsyslog ': Permission denied
Find: '/etc/audit ': Permission denied
/etc/passwd
Find: '/ETC/POLKIT-1/RULES.D ': Permission denied
Find: '/etc/polkit-1/localauthority ': Permission denied
Find: '/ETC/GRUB.D ': Permission denied
Find: '/etc/selinux/targeted/modules/active ': Permission denied
/etc/pam.d/passwd
Find: '/etc/lvm/archive ': Permission denied
Find: '/etc/lvm/backup ': Permission denied
Find: '/etc/lcm/cache ': Permission denied
Find: '/etc/dhcp ': Permission denied
Find: '/etc/firewalld ': Permission denied
Find: '/etc/audisp ': Permission denied
Find: '/ETC/SUDOERS.D ': Permission denied
Find: '/etc/ipsec.d ': Permission denied
Find: '/etc/libvirt ': Permission denied
Find: '/etc/cups/ssl ': Permission denied
Find: '/etc/pki/ca/private ': Permission denied
Find: '/etc/pki/tsyslog ': Permission denied
Find: '/etc/audit ': Permission denied
/etc/passwd
Find: '/ETC/POLKIT-1/RULES.D ': Permission denied
Find: '/etc/polkit-1/localauthority ': Permission denied
Find: '/ETC/GRUB.D ': Permission denied
Find: '/etc/selinux/targeted/modules/active ': Permission denied
/etc/pam.d/passwd
Find: '/etc/lvm/archive ': Permission denied
Find: '/etc/lvm/backup ': Permission denied
Find: '/etc/lcm/cache ': Permission denied
Find: '/etc/dhcp ': Permission denied
Find: '/etc/firewalld ': Permission denied
Find: '/etc/audisp ': Permission denied
Find: '/ETC/SUDOERS.D ': Permission denied
Find: '/etc/ipsec.d ': Permission denied
Find: '/etc/libvirt ': Permission denied
Find: '/etc/cups/ssl ': Permission denied
[[email protected] desktop]$ find/etc-name passwd &>/dev/null # # # #在/etc directory to find files by file name passwd, and output all to Trash Box # # #
[Email protected] desktop]$ find/etc-name passwd 2>&1 | Tee File # # # #在 The file name passwd in the/etc directory, and the number of the error output to the correct output number, and the pipe break to copy the previous output to the desktop file.
Find: '/etc/pki/ca/private ': Permission denied
Find: '/etc/pki/tsyslog ': Permission denied
Find: '/etc/audit ': Permission denied
/etc/passwd
Find: '/ETC/POLKIT-1/RULES.D ': Permission denied
Find: '/etc/polkit-1/localauthority ': Permission denied
Find: '/ETC/GRUB.D ': Permission denied
Find: '/etc/selinux/targeted/modules/active ': Permission denied
/etc/pam.d/passwd
Find: '/etc/lvm/archive ': Permission denied
Find: '/etc/lvm/backup ': Permission denied
Find: '/etc/lcm/cache ': Permission denied
Find: '/etc/dhcp ': Permission denied
Find: '/etc/firewalld ': Permission denied
Find: '/etc/audisp ': Permission denied
Find: '/ETC/SUDOERS.D ': Permission denied
Find: '/etc/ipsec.d ': Permission denied
Find: '/etc/libvirt ': Permission denied
Find: '/etc/cups/ssl ': Permission denied
[[email protected] desktop]$ cat file
Find: '/etc/pki/ca/private ': Permission denied
Find: '/etc/pki/tsyslog ': Permission denied
Find: '/etc/audit ': Permission denied
/etc/passwd
Find: '/ETC/POLKIT-1/RULES.D ': Permission denied
Find: '/etc/polkit-1/localauthority ': Permission denied
Find: '/ETC/GRUB.D ': Permission denied
Find: '/etc/selinux/targeted/modules/active ': Permission denied
/etc/pam.d/passwd
Find: '/etc/lvm/archive ': Permission denied
Find: '/etc/lvm/backup ': Permission denied
Find: '/etc/lcm/cache ': Permission denied
Find: '/etc/dhcp ': Permission denied
Find: '/etc/firewalld ': Permission denied
Find: '/etc/audisp ': Permission denied
Find: '/ETC/SUDOERS.D ': Permission denied
Find: '/etc/ipsec.d ': Permission denied
Find: '/etc/libvirt ': Permission denied
Find: '/etc/cups/ssl ': Permission denied
[[email protected] desktop]$ find/etc-name passwd 2>/dev/null |tee/mnt/find.out.1 # # # #在/etc/directory by file name passwd find File, the wrong output to the trash, through the pipeline appears (correct) output copied to the/mnt/find.out.1####
/etc/passwd
/etc/pam.d/passwd
[Email protected] desktop]$ Cat/mnt/find.out.1
/etc/passwd
/etc/pam.d/passwd



Login Superuser Root

[[email protected] desktop]# grep ich/usr/share/mime/packages/freedesktop.org.xml |tee/root/lines # # # #复制/usr/shar The Ich line in the E/mime/packages/freedesktop.org.xml file and copied to the/root/lines file # # # #
[[email protected] desktop]# Vim/root/lines # # # # #用vim打开/root/lines File # # # #
Input in Vim's command mode:%s/\//g # # # # #换掉文件中的空格 # # # # #

Unit four operations