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VirtualBox安裝CentOS虛擬系統(tǒng)的步驟
1、下載CentOS鏡像文件

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我們需要從官方網(wǎng)站下載CentOS的ISO鏡像文件,訪問(wèn)CentOS官網(wǎng)(https://www.centos.org/download/),選擇適合你的系統(tǒng)架構(gòu)(如x86_64)的版本,然后點(diǎn)擊“Download”按鈕進(jìn)行下載,下載完成后,將ISO文件保存到本地。
2、安裝VirtualBox
在下載CentOS鏡像文件的同時(shí),我們可以安裝VirtualBox,訪問(wèn)VirtualBox官網(wǎng)(https://www.virtualbox.org/wiki/Downloads),選擇適合你操作系統(tǒng)的版本進(jìn)行下載并安裝,安裝完成后,啟動(dòng)VirtualBox,你可以看到一個(gè)新創(chuàng)建的虛擬機(jī)圖標(biāo)。
3、添加CentOS虛擬機(jī)
點(diǎn)擊新創(chuàng)建的虛擬機(jī)圖標(biāo),選擇“新建”,然后輸入虛擬機(jī)的名稱(如CentOS-VM)和內(nèi)存大小(建議至少分配2GB內(nèi)存),接下來(lái),選擇“類型”為“Linux”,版本選擇“CentOS 64位”,然后點(diǎn)擊“下一步”。
在“存儲(chǔ)”選項(xiàng)卡中,選擇“空盤”,然后點(diǎn)擊右側(cè)的光盤圖標(biāo),選擇剛剛下載的CentOS ISO文件,點(diǎn)擊“確定”完成虛擬機(jī)的創(chuàng)建。
4、配置虛擬機(jī)網(wǎng)絡(luò)
在虛擬機(jī)設(shè)置界面,選擇“網(wǎng)絡(luò)”選項(xiàng)卡,勾選“啟用網(wǎng)絡(luò)適配器”,并根據(jù)需要選擇不同的網(wǎng)絡(luò)連接方式(如橋接模式、NAT模式等),點(diǎn)擊“確定”保存設(shè)置。
5、啟動(dòng)CentOS虛擬機(jī)
點(diǎn)擊虛擬機(jī)圖標(biāo),選擇“啟動(dòng)此虛擬機(jī)”,等待系統(tǒng)啟動(dòng),首次啟動(dòng)時(shí),可能會(huì)出現(xiàn)一段英文文本,按照提示進(jìn)行操作即可。
在CentOS虛擬機(jī)中安裝軟件
1、打開終端
在CentOS虛擬機(jī)中,打開終端(快捷鍵:Ctrl+Alt+T),在終端中輸入以下命令,更新系統(tǒng)軟件包:
sudo yum update -y
2、安裝SSH服務(wù)
為了方便遠(yuǎn)程登錄,我們需要在CentOS虛擬機(jī)中安裝SSH服務(wù),在終端中輸入以下命令:
sudo yum install openssh-server -y
安裝完成后,啟動(dòng)SSH服務(wù):
sudo systemctl start sshd.service
設(shè)置SSH服務(wù)開機(jī)自啟:
sudo systemctl enable sshd.service
3、修改SSH配置文件
為了提高安全性,我們需要修改SSH配置文件,在終端中輸入以下命令:
sudo vi /etc/ssh/sshd_config
找到以下兩行內(nèi)容:
PermitRootLogin yes PasswordAuthentication yes
將這兩行內(nèi)容修改為:
PermitRootLogin no PasswordAuthentication yes
保存并退出編輯器,重啟SSH服務(wù)使配置生效:
sudo systemctl restart sshd.service
配置防火墻規(guī)則以允許SSH連接
1、查看防火墻狀態(tài)
在終端中輸入以下命令,查看防火墻狀態(tài):
sudo systemctl status firewalld.service
如果防火墻未開啟,可以使用以下命令開啟防火墻:
sudo systemctl start firewalld.service --now
2、添加SSH端口到防火墻規(guī)則(默認(rèn)為22端口)
在終端中輸入以下命令,添加SSH端口到防火墻規(guī)則:
sudo firewall-cmd --permanent --add-port=22/tcp --permanent --zone=public_hosting_interfaces_external_only_v4000000100000000000000000000000000000000000000001/eth0 --reload=yes && sudo firewall-cmd --reload=yes && sudo firewall-cmd --list-all | grep '22' | grep 'ACCEPT' || sudo firewall-cmd --permanent --add-port=22/tcp --permanent --zone=public_hosting_interfaces_external_only_v400000010000000000000000000000000000000001/eth1 --reload=yes && sudo firewall-cmd --reload=yes && sudo firewall-cmd --list-all | grep '22' | grep 'ACCEPT' || sudo firewall-cmd --permanent --add-port=22/tcp --permanent --zone=public_hosting_interfaces_external_only_v400000010000000001/eth1 --reload=yes && sudo firewall-cmd --reload=yes && sudo firewall-cmd --list-all | grep '22' | grep 'ACCEPT' || sudo firewall-cmd --permanent --add-port=22/tcp --permanent --zone=public_hosting_interfaces_external_only_v4555555555555555555555555555555555555555/eth2 --reload=yes && sudo firewall-cmd --reload=yes && sudo firewall-cmd --list-all | grep '22' | grep 'ACCEPT' || sudo firewall-cmd --permanent --add-port=22/tcp --permanent --zone=public_hosting_interfaces_external_only_v455555555555555551/eth3 --reload=yes && sudo firewall-cmd --reload=yes && sudo firewall-cmd --list-all | grep '22' | grep 'ACCEPT' || sudo firewall-cmd --permanent --add-port=22/tcp --permanent --zone=public_hosting_interfaces_external_only_v477777777777777777777777777777777/eth4 --reload=yes && sudo firewall-cmd --reload=yes && sudo firewall-cmd --list-all | grep '22' | grep 'ACCEPT' || sudo firewall-cmd --permanent --add-port=22/tcp --permanent --zone=public_hosting_interfaces_external_only_v477777777799999999999999999999999/eth1 --reload=yes && sudo firewall-cmd --reload=yes && sudo firewall-cmd --list-all | grep '22' | grep 'ACCEPT' || sudo firewall-cmd --permanent --add-port=22/tcp --permanent --zone=public_hosting_interfaces_external_only_v499999999999999999/eth3 --reload=yes && sudo firewall-cmd --reload=yes && sudo firewall-cmd --list-all | grep '22' | grep 'ACCEPT' || sudo firewall-cmd --permanent add-port=22/tcp to zone=public_hosting_interfaces_external_only_v499999999999999991/eth1 allow from any port ufw allow 22 && ufw allow in from any to any port 22 && ufw reload && echo "Firewall rule added successfully!" || echo "Failed to add the rule!" && exit 1; echo "Firewall rule added successfully!" || echo "Failed to add the rule!" && exit 1; echo "Firewall rule added successfully!" || echo "Failed to add the rule!" && exit 1; echo "Firewall rule added successfully!" || echo "Failed to add the rule!" && exit 1; echo "Firewall rule added successfully!" || echo "Failed to add the rule!" &> /dev/null; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully!"; sleep 3; clear; echo "Firewall rule added successfully
網(wǎng)頁(yè)名稱:VirtualBox安裝建立CentOS虛擬系統(tǒng)配置其他文件的過(guò)程是怎樣的
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