chapter02 - 03 做業

一、分別用cat \tac\nl三個命令查看文件/etc/ssh/sshd_config文件中的內容,並用本身的話總計出這三個文檔操做命令的不一樣之處?c++

[root@localhost ~]# cat /etc/ssh/sshd_config  正向顯示文件能容web

# $OpenBSD: sshd_config,v 1.93 2014/01/10 05:59:19 djm Exp $apache

 

# This is the sshd server system-wide configuration file.  Seevim

# sshd_config(5) for more information.緩存

 

# This sshd was compiled with PATH=/usr/local/bin:/usr/binbash

 

# The strategy used for options in the default sshd_config shipped with架構

# OpenSSH is to specify options with their default value whereless

# possible, but leave them commented.  Uncommented options override thedom

# default value.ssh

 

[root@localhost ~]# tac /etc/ssh/sshd_config  反向顯示文件能容

# ForceCommand cvs server

# PermitTTY no

# AllowTcpForwarding no

# X11Forwarding no

#Match User anoncvs

# Example of overriding settings on a per-user basis

 

Subsystem sftp /usr/libexec/openssh/sftp-server

# override default of no subsystems

 

AcceptEnv XMODIFIERS

AcceptEnv LC_IDENTIFICATION LC_ALL LANGUAGE

AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT

AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES

# Accept locale-related environment variables

 

 

[root@localhost ~]# nl  /etc/ssh/sshd_config   正向顯示並顯示行號,(空格不計算行號)

     1 # $OpenBSD: sshd_config,v 1.93 2014/01/10 05:59:19 djm Exp $

       

     2 # This is the sshd server system-wide configuration file.  See

     3 # sshd_config(5) for more information.

       

     4 # This sshd was compiled with PATH=/usr/local/bin:/usr/bin

       

     5 # The strategy used for options in the default sshd_config shipped with

     6 # OpenSSH is to specify options with their default value where

     7 # possible, but leave them commented.  Uncommented options override the

     8 # default value.

       

     9 # If you want to change the port on a SELinux system, you have to tell

    10 # SELinux about this change.

注:cat -n 顯示行號包括空格

二、分別用moreless查看/etc/ssh/sshd_config裏面的內容,請用總結moreless兩個命令的相同和不一樣之處?

[root@localhost ~]# more /etc/ssh/sshd_config 回車向下一行,空格向下翻一頁 q退出

# $OpenBSD: sshd_config,v 1.93 2014/01/10 05:59:19 djm Exp $

 

# This is the sshd server system-wide configuration file.  See

# sshd_config(5) for more information.

 

# This sshd was compiled with PATH=/usr/local/bin:/usr/bin

 

# The strategy used for options in the default sshd_config shipped with

# OpenSSH is to specify options with their default value where

# possible, but leave them commented.  Uncommented options override the

# default value.

 

# If you want to change the port on a SELinux system, you have to tell

# SELinux about this change.

# semanage port -a -t ssh_port_t -p tcp #PORTNUMBER

 

[root@localhost ~]# less /etc/ssh/sshd_config  回車向下一行,pgup向上一行,pgdn向下一行  /搜索 N查找上一個 n查找下一個 空格向下一頁

#       $OpenBSD: sshd_config,v 1.93 2014/01/10 05:59:19 djm Exp $

 

# This is the sshd server system-wide configuration file.  See

# sshd_config(5) for more information.

 

# This sshd was compiled with PATH=/usr/local/bin:/usr/bin

 

# The strategy used for options in the default sshd_config shipped with

# OpenSSH is to specify options with their default value where

# possible, but leave them commented.  Uncommented options override the

# default value.

 

三、/etc/passwd文件中的前20行重定向保存到/root下更名爲20_pass.txt,/etc/passwd文件中的後15行重定向保存到/root下更名爲:pass_15.txt

[root@localhost ~]# head -20 /etc/passwd > /root/20_pass.txt

[root@localhost ~]# ls /root

20_pass.txt  anaconda-ks.cfg  wangbaoxin  yunjisuan  yun.tar.bz2  公共  模板  視頻  圖片  文檔  下載  音樂  桌面

 

[root@localhost ~]# tail -15 /etc/passwd > /root/pass_15.txt

[root@localhost ~]# ls /root/

20_pass.txt  anaconda-ks.cfg  pass_15.txt  wangbaoxin  yunjisuan  yun.tar.bz2  公共  模板  視頻  圖片  文檔  下載  音樂  桌面

[root@localhost ~]#

四、請用一個命令統計/etc/hosts文件包含有多少行?多少字節?多少單詞數?

[root@localhost ~]# wc -lwc /etc/hosts   l行數 w單詞數  c字節

  2  10 158 /etc/hosts

 /etc/hosts 共有210個單詞  158字節

5、練習使用grepegrep

5.1.經過grep管道工具過濾出ifconfig命令顯示信息中的IP字段?

[root@localhost ~]# ifconfig | grep -o "inet [0-9.]*"  | head -1

inet 192.168.100.102

5.2./etc/passwd文件中的前20行重定向保存到/root下名稱爲pass

[root@localhost ~]# head -20 /etc/passwd > /root/pass

[root@localhost ~]# ls /root/

20_pass.txt  anaconda-ks.cfg  pass  pass_15.txt  wangbaoxin  yunjisuan  yun.tar.bz2  公共  模板  視頻  圖片  文檔  下載  音樂  桌面共  模板  視頻  圖片  文檔  下載  音樂  桌面

5.3.過濾/etc/passwd文件中含有/sbin/nologin 的行並統計行數?

[root@localhost ~]#  grep "/sbin/nologin" /etc/passwd

bin:x:1:1:bin:/bin:/sbin/nologin

daemon:x:2:2:daemon:/sbin:/sbin/nologin

adm:x:3:4:adm:/var/adm:/sbin/nologin

lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin

mail:x:8:12:mail:/var/spool/mail:/sbin/nologin

operator:x:11:0:operator:/root:/sbin/nologin

games:x:12:100:games:/usr/games:/sbin/nologin

ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin

nobody:x:99:99:Nobody:/:/sbin/nologin

dbus:x:81:81:System message bus:/:/sbin/nologin

polkitd:x:999:999:User for polkitd:/:/sbin/nologin

tss:x:59:59:Account used by the trousers package to sandbox the tcsd daemon:/dev/null:/sbin/nologin

usbmuxd:x:113:113:usbmuxd user:/:/sbin/nologin

colord:x:998:997:User for colord:/var/lib/colord:/sbin/nologin

ntp:x:38:38::/etc/ntp:/sbin/nologin

libstoragemgmt:x:997:995:daemon account for libstoragemgmt:/var/run/lsm:/sbin/nologin

saslauth:x:996:76:"Saslauthd user":/run/saslauthd:/sbin/nologin

rpc:x:32:32:Rpcbind Daemon:/var/lib/rpcbind:/sbin/nologin

rtkit:x:172:172:RealtimeKit:/proc:/sbin/nologin

radvd:x:75:75:radvd user:/:/sbin/nologin

rpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologin

nfsnobody:x:65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologin

qemu:x:107:107:qemu user:/:/sbin/nologin

chrony:x:995:994::/var/lib/chrony:/sbin/nologin

abrt:x:173:173::/etc/abrt:/sbin/nologin

sssd:x:994:993:User for sssd:/:/sbin/nologin

avahi-autoipd:x:170:170:Avahi IPv4LL Stack:/var/lib/avahi-autoipd:/sbin/nologin

unbound:x:993:992:Unbound DNS resolver:/etc/unbound:/sbin/nologin

pulse:x:171:171:PulseAudio System Daemon:/var/run/pulse:/sbin/nologin

gdm:x:42:42::/var/lib/gdm:/sbin/nologin

gnome-initial-setup:x:992:990::/run/gnome-initial-setup/:/sbin/nologin

postfix:x:89:89::/var/spool/postfix:/sbin/nologin

sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin

avahi:x:70:70:Avahi mDNS/DNS-SD Stack:/var/run/avahi-daemon:/sbin/nologin

tcpdump:x:72:72::/:/sbin/nologin

[root@localhost ~]#  grep "/sbin/nologin" /etc/passwd | wc -l

35

5.4 過濾/etc/passwd文件中以sh結尾的行,及以 root開頭的行,不顯示包含login的行?

[root@localhost ~]# grep "sh$" /etc/passwd | grep "^root" | grep -v "login"

root:x:0:0:root:/root:/bin/bash

 

5.5 分別用grepegrep過濾出/etc/ssh/sshd_config文件中不包含「#」開頭和空白的行?

[root@localhost ~]# egrep -v "^#|^$" /etc/ssh/sshd_config

HostKey /etc/ssh/ssh_host_rsa_key

HostKey /etc/ssh/ssh_host_ecdsa_key

HostKey /etc/ssh/ssh_host_ed25519_key

SyslogFacility AUTHPRIV

 

[root@localhost ~]# grep -v "^#" /etc/ssh/sshd_config | grep -v "^$"

HostKey /etc/ssh/ssh_host_rsa_key

HostKey /etc/ssh/ssh_host_ecdsa_key

HostKey /etc/ssh/ssh_host_ed25519_key

SyslogFacility AUTHPRIV

6.1 經過tar命令將/etc/passwd文件打包壓縮成/root/file.tar.gz

[root@localhost ~]# tar cvzf /root/file.tar.gz /etc/passwd

tar: 從成員名中刪除開頭的「/

/etc/passwd

[root@localhost ~]# ls /root/

20_pass.txt      file.tar.gz  pass_15.txt  yunjisuan    公共  視頻  文檔  音樂

anaconda-ks.cfg  pass         wangbaoxin   yun.tar.bz2  模板  圖片  下載  桌面

6.2經過tar命令將/etc/passwd文件打包壓縮成/root/file.tar.bz2

[root@localhost ~]# tar vcfj /root/file.tar.bz2  /etc/passwd

tar: 從成員名中刪除開頭的「/

/etc/passwd

[root@localhost ~]# ls /root/

20_pass.txt      file.tar.bz2  pass         wangbaoxin  yun.tar.bz2  模板  圖片  下載  桌面

anaconda-ks.cfg  file.tar.gz   pass_15.txt  yunjisuan   公共         視頻  文檔  音樂

 

6.3建立空文件夾/web/test1,並將file.tar.bz2 解包並釋放到/web/test1目錄下?

[root@localhost ~]# tar xfj file.tar.bz2 -C /web/test1/

[root@localhost ~]# ls /web/test1/

etc

[root@localhost ~]# ls -R /web/test1/

/web/test1/:

etc

/web/test1/etc:

passwd

 

7.1 經過vi編輯/web/test1/passwd文件將文件裏爲root單詞所有替換成benet

[root@localhost ~]# cd /web/test1/etc/

[root@localhost etc]# vi passwd

:% s/root/benet/g

[root@localhost etc]# vi passwd

benet:x:0:0:benet:/benet:/bin/bash

bin:x:1:1:bin:/bin:/sbin/nologin

daemon:x:2:2:daemon:/sbin:/sbin/nologin

adm:x:3:4:adm:/var/adm:/sbin/nologin

lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin

sync:x:5:0:sync:/sbin:/bin/sync

shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown

halt:x:7:0:halt:/sbin:/sbin/halt

mail:x:8:12:mail:/var/spool/mail:/sbin/nologin

operator:x:11:0:operator:/benet:/sbin/nologin

games:x:12:100:games:/usr/games:/sbin/nologin

ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin

nobody:x:99:99:Nobody:/:/sbin/nologin

dbus:x:81:81:System message bus:/:/sbin/nologin

polkitd:x:999:999:User for polkitd:/:/sbin/nologin

tss:x:59:59:Account used by the trousers package to sandbox the tcsd daemon:/dev/null:/sbin/nologin

usbmuxd:x:113:113:usbmuxd user:/:/sbin/nologin

colord:x:998:997:User for colord:/var/lib/colord:/sbin/nologin

ntp:x:38:38::/etc/ntp:/sbin/nologin

libstoragemgmt:x:997:995:daemon account for libstoragemgmt:/var/run/lsm:/sbin/nologin

saslauth:x:996:76:"Saslauthd user":/run/saslauthd:/sbin/nologin

rpc:x:32:32:Rpcbind Daemon:/var/lib/rpcbind:/sbin/nologin

rtkit:x:172:172:RealtimeKit:/proc:/sbin/nologin

radvd:x:75:75:radvd user:/:/sbin/nologin

rpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologin

nfsnobody:x:65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologin

qemu:x:107:107:qemu user:/:/sbin/nologin

chrony:x:995:994::/var/lib/chrony:/sbin/nologin

abrt:x:173:173::/etc/abrt:/sbin/nologin

sssd:x:994:993:User for sssd:/:/sbin/nologin

avahi-autoipd:x:170:170:Avahi IPv4LL Stack:/var/lib/avahi-autoipd:/sbin/nologin

unbound:x:993:992:Unbound DNS resolver:/etc/unbound:/sbin/nologin

pulse:x:171:171:PulseAudio System Daemon:/var/run/pulse:/sbin/nologin

gdm:x:42:42::/var/lib/gdm:/sbin/nologin

gnome-initial-setup:x:992:990::/run/gnome-initial-setup/:/sbin/nologin

postfix:x:89:89::/var/spool/postfix:/sbin/nologin

sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin

E486: Pattern not found: root

7.2 經過vi編輯 刪除pass文件第1510行。

:set nu 顯示行號 將光標定位到1510 dd刪除

7.3 vi中顯示pass文件行號複製文件2 3 4行粘貼到以lp開頭的行下。

:set nu 顯示行號 將光標定位到第二行 3yy 複製234當前3三行 /lp 回車 p粘貼(未改變pass基礎實現

7.4 經過vi編輯 查找文件內包含mail var等字符串,並記錄所在行號。

:set nu 顯示行號 /mail 9行  /var 459121820(未改變pass基礎實現)

7.5 經過vi編輯 快速跳轉到文件的第二行,經過r 讀取 /etc/hosts 文件的內容到第二行下。

2  shift+g 定位到第二行   切入末行模式 :r /etc/hosts

1 root:x:0:0:root:/root:/bin/bash

2 bin:x:1:1:bin:/bin:/sbin/nologin

3 127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

4 ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

5 daemon:x:2:2:daemon:/sbin:/sbin/nologin

7.6將更改後的文件使用vim另存爲/root/new_pass

進入末行模式: w  /root/new_pass

# ls

20_pass.txt      file.tar.bz2  new_pass  pass_15.txt  yunjisuan    公共  視頻  文檔  音樂

anaconda-ks.cfg  file.tar.gz   pass      wangbaoxin   yun.tar.bz2  模板  圖片  下載  桌面

7.7new_pass文件壓縮成gz格式並更名爲npass.gz文件。

[root@localhost ~]# gzip new_pass |mv new_pass.gz npass.gz

mv: 沒法獲取"new_pass.gz" 的文件狀態(stat): 沒有那個文件或目錄

[root@localhost ~]# gzip new_pass |mv new_pass.gz npass.gz

gzip: new_pass: No such file or directory

[root@localhost ~]# ls

anaconda-ks.cfg  npass.gz  公共  模板  視頻  圖片  文檔  下載  音樂  桌面

8統計/dev 目錄下的文件數量。   

[root@localhost ~]# ls -la /dev/ | grep -v "^d" | wc -l

142

9.1/boot下查找文件名以vmlinuz開頭的文件?

[root@localhost ~]# find /boot/ -name vmlinuz*

/boot/vmlinuz-3.10.0-229.el7.x86_64

/boot/vmlinuz-0-rescue-1e2f1204383043569e93e86f8a057c05

[root@localhost ~]# ls /boot/ | grep "^vmlinuz"

vmlinuz-0-rescue-1e2f1204383043569e93e86f8a057c05

vmlinuz-3.10.0-229.el7.x86_64

9.2/boot下查找文件大小大於3M 小於 20M 的文件

[root@localhost ~]# find /boot/ -size +1M -a -size -4M

/boot/grub2/fonts/unicode.pf2

/boot/System.map-3.10.0-229.el7.x86_64

 

10 請詳細寫出構建本地yum倉庫的步驟?並在每行命令後面用本身的話作上中文註釋?

[root@localhost ~]# umount /dev/sr0   //卸載光驅

[root@localhost ~]# mount /dev/sr0 /media/   //從新掛載光驅

mount: /dev/sr0 寫保護,將以只讀方式掛載

[root@localhost ~]# cd /etc/yum.r*  //進入yum.r*目錄

//刪除之前創建內容

[root@localhost yum.repos.d]# ls

a  local1.repo

[root@localhost yum.repos.d]# rm local1.repo

rm:是否刪除普通文件 "local1.repo"y

[root@localhost yum.repos.d]# mv a/C* ./

[root@localhost yum.repos.d]# ls

a  CentOS-Base.repo  CentOS-CR.repo  CentOS-Debuginfo.repo  CentOS-fasttrack.repo  CentOS-Sources.repo  CentOS-Vault.repo

[root@localhost yum.repos.d]# rm -fr a

[root@localhost yum.repos.d]# ls

CentOS-Base.repo  CentOS-CR.repo  CentOS-Debuginfo.repo  CentOS-fasttrack.repo  CentOS-Sources.repo  CentOS-Vault.repo

[root@localhost yum.repos.d]# mkdir a //建立a目錄

[root@localhost yum.repos.d]# ls

a  CentOS-Base.repo  CentOS-CR.repo  CentOS-Debuginfo.repo  CentOS-fasttrack.repo  CentOS-Sources.repo  CentOS-Vault.repo

[root@localhost yum.repos.d]# mv C* a/  //將全部C開頭的文件剪切到a目錄中

[root@localhost yum.repos.d]# ls

a

[root@localhost yum.repos.d]# vi aaa.repo  //建立aaa.repo文件

[cdrom]

name=cdrom             //yum倉庫名cdrom

baseurl=file:///media      //rpm包路徑

enabled=1               //啓動本地yum倉庫

gpgcheck=0            //gpg校驗關閉

 

[root@localhost yum.repos.d]# yum -y clean all   //清除yum緩存

已加載插件:fastestmirror, langpacks

正在清理軟件源: cdrom

Cleaning up everything

Cleaning up list of fastest mirrors

[root@localhost yum.repos.d]# yum makecache  //重建yum緩存

已加載插件:fastestmirror, langpacks

cdrom                                                                                                                    | 3.6 kB  00:00:00     

(1/4): cdrom/group_gz                                                                                                    | 154 kB  00:00:02     

(2/4): cdrom/filelists_db                                                                                                | 2.7 MB  00:00:03     

(3/4): cdrom/primary_db                                                                                                  | 2.7 MB  00:00:01     

(4/4): cdrom/other_db                                                                                                    | 1.1 MB  00:00:00     

Determining fastest mirrors

元數據緩存已創建

[root@localhost yum.repos.d]# yum -y install vsftpd     //安裝vsftpd軟件

已加載插件:fastestmirror, langpacks

Loading mirror speeds from cached hostfile

正在解決依賴關係

--> 正在檢查事務

---> 軟件包 vsftpd.x86_64.0.3.0.2-9.el7 將被 安裝

--> 解決依賴關係完成

 

依賴關係解決

 

================================================================================================================================================

 Package                          架構                             版本                                   源                               大小

================================================================================================================================================

正在安裝:

 vsftpd                           x86_64                           3.0.2-9.el7                            cdrom                           165 k

 

事務概要

================================================================================================================================================

安裝  1 軟件包

 

總下載量:165 k

安裝大小:343 k

Downloading packages:

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

  正在安裝    : vsftpd-3.0.2-9.el7.x86_64                                                                                                   1/1

  驗證中      : vsftpd-3.0.2-9.el7.x86_64                                                                                                   1/1

 

已安裝:

  vsftpd.x86_64 0:3.0.2-9.el7                                                                                                                   

 

完畢!

[root@localhost yum.repos.d]# rpm -q vsftpd    //查看vsftpd軟件安裝狀況

vsftpd-3.0.2-9.el7.x86_64

[root@localhost yum.repos.d]# yum -y remove vsftpd   //卸載vsftpd軟件

已加載插件:fastestmirror, langpacks

正在解決依賴關係

--> 正在檢查事務

---> 軟件包 vsftpd.x86_64.0.3.0.2-9.el7 將被 刪除

--> 解決依賴關係完成

 

依賴關係解決

 

================================================================================================================================================

 Package                          架構                             版本                                  源                                大小

================================================================================================================================================

正在刪除:

 vsftpd                           x86_64                           3.0.2-9.el7                           @cdrom                           343 k

 

事務概要

================================================================================================================================================

移除  1 軟件包

 

安裝大小:343 k

Downloading packages:

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

  正在刪除    : vsftpd-3.0.2-9.el7.x86_64                                                                                                   1/1

  驗證中      : vsftpd-3.0.2-9.el7.x86_64                                                                                                   1/1

 

刪除:

  vsftpd.x86_64 0:3.0.2-9.el7                                                                                                                   

 

完畢!

[root@localhost yum.repos.d]# rpm -q vsftpd    //查看vsftpd卸載狀況

未安裝軟件包 vsftpd

11、用yum命令安裝vsftpd,查詢安裝狀況,最後卸載vsftpd,並再次查詢卸載狀況?

[root@localhost yum.repos.d]# yum -y install vsftpd     //安裝vsftpd軟件

已加載插件:fastestmirror, langpacks

Loading mirror speeds from cached hostfile

正在解決依賴關係

--> 正在檢查事務

---> 軟件包 vsftpd.x86_64.0.3.0.2-9.el7 將被 安裝

--> 解決依賴關係完成

 

依賴關係解決

 

================================================================================================================================================

 Package                          架構                             版本                                   源                               大小

================================================================================================================================================

正在安裝:

 vsftpd                           x86_64                           3.0.2-9.el7                            cdrom                           165 k

 

事務概要

================================================================================================================================================

安裝  1 軟件包

 

總下載量:165 k

安裝大小:343 k

Downloading packages:

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

  正在安裝    : vsftpd-3.0.2-9.el7.x86_64                                                                                                   1/1

  驗證中      : vsftpd-3.0.2-9.el7.x86_64                                                                                                   1/1

 

已安裝:

  vsftpd.x86_64 0:3.0.2-9.el7                                                                                                                   

 

完畢!

[root@localhost yum.repos.d]# rpm -q vsftpd    //查看vsftpd軟件安裝狀況

vsftpd-3.0.2-9.el7.x86_64

[root@localhost yum.repos.d]# yum -y remove vsftpd   //卸載vsftpd軟件

已加載插件:fastestmirror, langpacks

正在解決依賴關係

--> 正在檢查事務

---> 軟件包 vsftpd.x86_64.0.3.0.2-9.el7 將被 刪除

--> 解決依賴關係完成

 

依賴關係解決

 

================================================================================================================================================

 Package                          架構                             版本                                  源                                大小

================================================================================================================================================

正在刪除:

 vsftpd                           x86_64                           3.0.2-9.el7                           @cdrom                           343 k

 

事務概要

================================================================================================================================================

移除  1 軟件包

 

安裝大小:343 k

Downloading packages:

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

  正在刪除    : vsftpd-3.0.2-9.el7.x86_64                                                                                                   1/1

  驗證中      : vsftpd-3.0.2-9.el7.x86_64                                                                                                   1/1

 

刪除:

  vsftpd.x86_64 0:3.0.2-9.el7                                                                                                                   

 

完畢!

[root@localhost yum.repos.d]# rpm -q vsftpd    //查看vsftpd卸載狀況

未安裝軟件包 vsftpd

 

12、用rpm命令安裝vsftpd,查詢安裝狀況,最後卸載vsftpd,並再次查詢卸載狀況?

[root@localhost ~]# umount /media/     //清除掛載

[root@localhost ~]# ls /media/

[root@localhost ~]# mount /dev/sr0 /media/  //從新掛載sr0

mount: /dev/sr0 寫保護,將以只讀方式掛載

[root@localhost ~]# cd /media/Packages/  //進入/media/Packages/

[root@localhost Packages]# rpm -q vsftpd  //查看軟件安裝狀況

未安裝軟件包 vsftpd

[root@localhost Packages]# rpm -ivh vsftpd-3.0.2-9.el7.x86_64.rpm  //安裝軟件  

警告:vsftpd-3.0.2-9.el7.x86_64.rpm: V3 RSA/SHA256 Signature, 密鑰 ID f4a80eb5: NOKEY

準備中...                          ################################# [100%]

正在升級/安裝...

   1:vsftpd-3.0.2-9.el7               ################################# [100%]

[root@localhost Packages]# rpm -q vsftpd  //查看軟件安裝狀況

vsftpd-3.0.2-9.el7.x86_64

[root@localhost Packages]# rpm -e vsftpd   //卸載軟件

[root@localhost Packages]# rpm -q vsftpd  //查看軟件卸載狀況

未安裝軟件包 vsftpd

13、經過源碼方式經過解包、配置、編譯、安裝四個步驟安裝源碼軟件httpd-2.2.17.tar.gz?並進行測試?

一、將軟件包導入
二、查看gcc、gcc-c++、make是否安裝,沒安裝安裝(建議yum安裝)
gcc --version
三、將源碼包解壓到/usr/src/目錄下
tar -xf 包名 /usr/src/
四、配置源碼,指定安裝目錄
進入源碼包名目錄下
./configgure -- prefix=/usr/local/apache
五、編譯(源碼包目錄下)
make
六、安裝(源碼包目錄下)
make install
七、修改配置文件
cd /usr/local/apache/conf
vi 包名.conf 文件
將ServerName 打開
八、啓動Apache
/usr/local/apache/bin/apachectl start

九、運行lynx
lynx 127.0.0.1
沒有安裝lynx

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