yum源安装、自定义安装yum、ftp使用方法

1、物理机
禁用 selinux 和 firewalld
修改配置文件 /etc/selinux/config
SELINUX=disabled

禁用 firewalld
systemctl stop firewalld
systemctl mask firewalld

重启系统 #-------------------------------------------# 网络 yum 源 1 安装 FTP 服务 yum install -y vsftpd /etc/vsftpd/vsftpd.conf listen=YES listen_ipv6=NO systemctl start vsftpd

验证 ftp 服务 lftp 命令

[root@rootroom9pc01 ~]# yum -y install lftp

[root@rootroom9pc01 ~]# lftp 192.168.4.254/
cd 成功, 当前目录=/
lftp 192.168.4.254:/> ls
drwxr-xr-x 8 0 0 2048 Sep 05 2017 centos7
dr-xr-xr-x 5 0 0 2048 Nov 14 2016 ceph
drwxr-xr-x 2 0 0 4096 Aug 03 2017 pub
drwxr-xr-x 2 0 0 4096 Apr 26 13:08 rhel7
drwxrwxrwx 2 0 0 4096 Apr 26 13:08 share
lftp 192.168.4.254:/>

lftp 192.168.4.254:/>
!   bzless debug get1   local mrm   recls set wait
?   bzmore dir   glob   login mv   reconnect shell zcat
(   cache du   help   lpwd nlist reget site zless
alias   cat   echo history ls   open rels   sleep zmore
anon   cd   edit jobs   mget pget renlist slot
at   chmod eval kill   mirror put   repeat source
attach   close exit lcd   mkdir pwd   reput suspend
bookmark cls   fg   less   module queue rm   torrent
bye   command find lftp   more quit rmdir user
bzcat   connect get   ln   mput quote scache version
lftp 192.168.4.254:/>

[root@rootroom9pc01 networks]# systemctl status vsftpd
● vsftpd.service - Vsftpd ftp daemon
Loaded: loaded (/usr/lib/systemd/system/vsftpd.service; enabled; vendor preset: disabled)
Active: active (running)

[root@rootroom9pc01 ~]# yum -y install lftp

[root@rootroom9pc01 networks]# systemctl enable vsftpd
[root@web1 ~]# lftp 192.168.4.254
lftp 192.168.4.254:~> ls
drwxr-xr-x 8 0 0 2048 Sep 05 2017 centos7
dr-xr-xr-x 5 0 0 2048 Nov 14 2016 ceph
drwxr-xr-x 2 0 0 4096 Aug 03 2017 pub
drwxr-xr-x 2 0 0 4096 Apr 26 13:08 rhel7
drwxrwxrwx 2 0 0 4096 Apr 26 13:08 share
lftp 192.168.4.254:/> exit

[root@web1 ~]# lftp sftp://[email protected]/
口令:
cd 成功, 当前目录=/
lftp [email protected]:/> ls

lftp [email protected]:/> get /iso/rhel-server-7.4-x86_64-dvd.iso
[root@web1 ~]# mv ./rhel-server-7.4-x86_64-dvd.iso /iso
[root@web1 ~]# ls /iso/
rhel-server-7.4-x86_64-dvd.iso
[root@web1 ~]# mount -t iso9660 -o ro,loop /iso/rhel-server-7.4-x86_64-dvd.iso /var/ftp/pub1
[root@web1 ~]# df -h
文件系统容量已用可用已用% 挂载点
/dev/mapper/rhel-root 17G 7.0G 11G 41% /
devtmpfs 481M 0 481M 0% /dev
tmpfs 497M 0 497M 0% /dev/shm
tmpfs 497M 7.1M 490M 2% /run
tmpfs 497M 0 497M 0% /sys/fs/cgroup
/dev/vda1 1014M 161M 854M 16% /boot
tmpfs 100M 0 100M 0% /run/user/0
/dev/loop0 3.8G 3.8G 0 100% /var/ftp/pub1

[root@web1 ~]# vim /etc/fstab

/iso/rhel-server-7.4-x86_64-dvd.iso /var/ftp/pub1 defaults 0 0
[root@web1 ~]# mount -a
[root@web1 ~]# vim /etc/yum.repos.d/centos.repo

[root@web1 ~]# cat /etc/yum.repos.d/centos.repo
[centos]
name=centos
baseurl=ftp://192.168.4.4/pub1
gpgcheck=0
enabled=1

[root@web1 ~]# yum repolist
已加载插件：langpacks, product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
centos | 4.1 kB 00:00:00
(1/2): centos/group_gz | 137 kB 00:00:00
(2/2): centos/primary_db | 4.0 MB 00:00:00
源标识源名称状态
centos centos 4,986
rhel7 rhel7 4,986
repolist: 9,972

ctrl+r

(reverse-i-search)`lf': lftp sftp://[email protected]/
lftp [email protected]:/> get /root/mysql-community-client-5.7.17-1.el7.x86_64.rpm
25037548 bytes transferred
lftp [email protected]:/> exit
[root@web1 ~]# ls
anaconda-ks.cfg mysql-community-client-5.7.17-1.el7.x86_64.rpm 模板图片下载桌面
initial-setup-ks.cfg 公共视频文档音乐
[root@web1 ~]#

[root@web1 ~]# mkdir -p /var/ftp/public
[root@web1 ~]# mv ./mysql-community-client-5.7.17-1.el7.x86_64.rpm /var/ftp/public
[root@web1 ~]# cd /var/ftp/public
[root@web1 public]# createrepo .
Spawning worker 0 with 1 pkgs
Workers Finished
Saving Primary metadata
Saving file lists metadata
Saving other metadata
Generating sqlite DBs
Sqlite DBs complete
[root@web1 public]# ls
mysql-community-client-5.7.17-1.el7.x86_64.rpm repodata

(reverse-i-search)`vim': vim /etc/yum.repos.d/centos.repo
[centos1]
name=centos
baseurl=ftp://192.168.4.4/public
gpgcheck=0
enabled=1

[root@web1 public]# yum repolist
已加载插件：langpacks, product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
centos | 4.1 kB 00:00:00
centos1 | 2.9 kB 00:00:00
centos1/primary_db | 2.8 kB 00:00:00
源标识源名称状态
centos centos 4,986
centos1 centos 1 //自定义yum源
rhel7 rhel7 4,986
repolist: 9,973
[root@web1 public]#

[root@web1 public]# createrepo --update . //可更新

转发 dns 安装配置

[root@rootroom9pc01 ~]# yum install -y bind bind-chroot

listen-on port 53 { 192.168.4.254; };
#listen-on-v6 port 53 { ::1; };
allow-query { any; };
forwarders { 192.168.1.1; };

dnssec-enable no;
dnssec-validation no;

[root@rootroom9pc01 ~]# systemctl restart named
[root@rootroom9pc01 ~]# systemctl enable named
Created symlink from /etc/systemd/system/multi-user.target.wants/named.service to /usr/lib/systemd/system/named.service.
[root@rootroom9pc01 ~]# vim /etc/resolv.conf

# Generated by NetworkManager
search tedu.cn
nameserver 192.168.1.1

[root@rootroom9pc01 ~]# nslookup www.baidu.com
Server: 192.168.1.1
Address: 192.168.1.1#53

Non-authoritative answer:
www.baidu.com   canonical name = www.a.shifen.com.
Name:   www.a.shifen.com
Address: 14.215.177.38
Name:   www.a.shifen.com
Address: 14.215.177.39

时间服务器server
[root@rootroom9pc01 ~]# yum install -y chrony

[root@rootroom9pc01 ~]# vim /etc/chrony.conf

server ntp1.aliyun.com iburst
bindacqaddress 0.0.0.0
allow 0/0

[root@rootroom9pc01 ~]# systemctl restart chronyd
[root@rootroom9pc01 ~]# systemctl enable chronyd

[root@rootroom9pc01 ~]# chronyc sources -v
210 Number of sources = 1

.-- Source mode '^' = server, '=' = peer, '#' = local clock.
/ .- Source state '*' = current synced, '+' = combined , '-' = not combined,
| / '?' = unreachable, 'x' = time may be in error, '~' = time too variable.
|| .- xxxx [ yyyy ] +/- zzzz
|| Reachability register (octal) -. | xxxx = adjusted offset,
|| Log2(Polling interval) --. | | yyyy = measured offset,
|| \ | | zzzz = estimated error.
|| | | \
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^* 120.25.115.20 2 6 177 42 +75us[ +593us] +/- 3111us
[root@rootroom9pc01 ~]#

时间客户端client
[root@web1 public]# vim /etc/chrony.conf

server 192.168.4.254 iburst

[root@web1 public]# date -s 08/15/2015
2015年 08月 15日星期六 00:00:00 CST

[root@web1 public]# date -s 08/15/2015
2015年 08月 15日星期六 00:00:00 CST
[root@web1 public]# date
2015年 08月 15日星期六 00:00:04 CST
[root@web1 public]# systemctl restart chronyd
[root@web1 public]# systemctl enable chronyd
[root@web1 public]# date
2018年 07月 17日星期二 22:33:40 CST
[root@web1 public]#

//手动更新时间
[root@web1 public]# nt
ntpdate ntsysv
[root@web1 public]# ntpdate 192.168.4.254

时间服务器，server、 client client:配置 /etc/chrony.conf server server.ip.xx.xx iburst 检查状态 chronyc sources -v * 同步成功，+ 备胎 , ? 同步失败 shell 命令 exec 重定向

yum源安装、自定义安装yum、ftp使用方法

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