部署Ansible与常用模块
2024-06-01 17:18:21
部署Ansible与常用模块
1. 构建Ansible清单
1. 1 清单作用
定义了Ansible管理的一批主机名单，通过执行Ansible模块，在调用过程中直接对清单中的主机进行批量管理。
1.2 默认清单位置
默认位置：/etc/ansible/host
使用规则：对于默认清单我们一般不使用，通常为了方便每一位管理者的管理，管理者均会在自己的文件夹目录中设置自己的清单目录。
1.3 使用静态清单指定受管主机
静态清单文件是指定Ansible目标受管主机的文本文件。可以使用多种不同的格式编写此文件，包括INI样式或YAML。
在最简单的形式中。INI样式的静态清单文件是受管主机的主机名或IP地址的列表，每行一个：
[root@localhost ansible]# ls
ansible.cfg hosts roles
[root@localhost ansible]# vim hosts...
# Ex 1: Ungrouped hosts, specify before any group headers.## green.example.com
## blue.example.com
## 192.168.100.1
## 192.168.100.10
但通常而言，可以将受管主机组织为主机组。通过主机组，可以更加有效的对一系列系统运行Ansible。这时，每一部分的开头为以中括号括起来的主机组名称。其后为该组中每一受管主机的主机名或IP地址，每行一个。
# Ex 2: A collection of hosts belonging to the 'webservers' group## [webservers]
## alpha.example.org
## beta.example.org
## 192.168.1.100
## 192.168.1.110## www[001:006].example.com# Ex 3: A collection of database servers in the 'dbservers' group## [dbservers]
##
## db01.intranet.mydomain.net
## db02.intranet.mydomain.net
## 10.25.1.56
## 10.25.1.57# Here's another example of host ranges, this time there are no
# leading 0s:## db-[99:101]-node.example.com
1.4 验证清单
- 1.命令验证计算机是否存在于清单中：
[root@localhost ~]# ansible 192.168.159.138 --list-hostshosts (1):192.168.159.138
- 2.查看不存在的
[root@localhost ~]# ansible 192.168.159.139 --list-hosts
[WARNING]: Could not match supplied host pattern, ignoring: 192.168.159.139
[WARNING]: No hosts matched, nothing to dohosts (0):
- 3.运行以下命令来列出指定组中的所有主机：
[root@localhost ~]# vim /etc/ansible/hosts
...
## db-[99:101]-node.example.com[test]
192.168.159.138
192.168.159.137
192.168.159.134[root@localhost ~]# ansible test --list-hostshosts (3):192.168.159.138192.168.159.137192.168.159.134
1.5 覆盖清单的位置
/etc/ansible/hosts文件被视为系统的默认静态清单文件。不过，通常的做法是不使用该文件，而是在Ansible配置文件中为清单文件定义一个不同的位置。
1.6
- 列出默认清单文件中的所有受管主机：
[root@localhost ansible]# ansible all --list-hostshosts (4):1.1.1.12.2.2.23.3.3.312.12.12.12
- 列出不属于任何组的受管主机：
[root@localhost ansible]# ansible ungrouped --list-hosts
[WARNING]: No hosts matched, nothing to dohosts (0):常用的模块
1. ansible常用模块使用详解
- ansible常用模块有：
ping
yum
template
copy
user
group
service
raw
command
shell
script - ansible常用模块raw、command、shell的区别：
shell模块调用的/bin/sh指令执行
command模块不是调用的shell的指令，所以没有bash的环境变量
raw很多地方和shell类似，更多的地方建议使用shell和command模块。但是如果是使用老版本python，需要用到raw，又或者是客户端是路由器，因为没有安装python模块，那就需要使用raw模块了
2. ansible常用模块之ping
[root@localhost ~]# ansible 192.168.159.138 -m ping
192.168.159.138 | SUCCESS => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": false,"ping": "pong"
}
2.1 ping模块的用法
[root@localhost ~]# ansible-doc ping
> PING (/usr/lib/python3.6/site-packages/ansible/modules/system/ping.py)A trivial test module, this module always returns `pong' on successfulcontact. It does not make sense in playbooks, but it is useful from`/usr/bin/ansible' to verify the ability to login and that a usablePython is configured. This is NOT ICMP ping, this is just a trivial testmodule that requires Python on the remote-node. For Windows targets, usethe [win_ping] module instead. For Network targets, use the [net_ping]module instead....
3. ansible常用模块之command
command模块用于在远程主机上执行命令，ansible默认就是使用command模块。
command模块有一个缺陷就是不能使用管道符和重定向功能。
- 查看受控主机的/tmp目录内容
[root@localhost ~]# ansible 192.168.159.138 -a 'ls /tmp'
192.168.159.138 | CHANGED | rc=0 >>
ansible_command_payload_brfsj9y9
ks-script-zrpwd43g
vmware-root_912-2697663791
vmware-root_931-3988621659
vmware-root_937-4013854423- 在受控主机的/tmp目录下新建一个文件test
[root@localhost ~]# ansible 192.168.159.138 -a 'touch /tmp/test'
[WARNING]: Consider using the file module with state=touch rather than running 'touch'. If you need
to use command because file is insufficient you can add 'warn: false' to this command task or set
'command_warnings=False' in ansible.cfg to get rid of this message.
192.168.159.138 | CHANGED | rc=0 >>
[root@localhost ~]# ansible 192.168.159.138 -a 'ls /tmp'
192.168.159.138 | CHANGED | rc=0 >>
ansible_command_payload_c151sy03
ks-script-zrpwd43g
test
vmware-root_912-2697663791
vmware-root_931-3988621659
vmware-root_937-4013854423- command模块不支持管道符，不支持重定向
[root@localhost ~]# ansible 192.168.159.138 -a "echo 'hello world' > /tmp/test"
192.168.159.138 | CHANGED | rc=0 >>
hello world > /tmp/test[root@localhost ~]# ansible 192.168.159.138 -a 'ps -ef|grep vsftpd'
192.168.159.138 | FAILED | rc=1 >>
error: unsupported SysV optionUsage:ps [options]Try 'ps --help <simple|list|output|threads|misc|all>'or 'ps --help <s|l|o|t|m|a>'for additional help text.For more details see ps(1).non-zero return code4. ansible常用模块之raw
ansible常用模块之raw
- 支持重定向
[root@localhost ~]# ansible 192.168.159.138 -m raw -a 'echo "hello world" > /tmp/test'
192.168.159.138 | CHANGED | rc=0 >>
Shared connection to 192.168.159.138 closed.[root@localhost ~]# ansible 192.168.159.138 -a 'cat /tmp/test'
192.168.159.138 | CHANGED | rc=0 >>
hello world- 支持管道符
[root@localhost ~]# ansible 192.168.159.138 -m raw -a 'cat /tmp/test|grep -Eo hello'
192.168.159.138 | CHANGED | rc=0 >>
hello
Shared connection to 192.168.159.138 closed.
5. ansible常用模块之shell
shell模块用于在受控机上执行受控机上的脚本，亦可直接在受控机上执行命令。shell模块亦支持管道与重定向。
[root@localhost ~]# ansible all -m shell -a 'uptime'
192.168.159.138 | CHANGED | rc=0 >>19:48:31 up 2:36, 2 users, load average: 0.02, 0.01, 0.00
[root@localhost ~]# ansible all -m shell -a 'uptime'
192.168.159.138 | CHANGED | rc=0 >>19:48:47 up 2:37, 2 users, load average: 0.02, 0.01, 0.006. ansible常用模块之script
script模块用于在受控机上执行主控机上的脚本
- 写一个脚本，给它加上权限
[root@localhost ~]# vim test.sh
[root@localhost ~]# cat test.sh
#!/bin/bashecho "hello word"
[root@localhost ~]# chmod +x test.sh
[root@localhost ~]# ll
total 8
-rw-------. 1 root root 1172 Aug 26 10:47 anaconda-ks.cfg
-rwxr-xr-x 1 root root 31 Aug 27 19:52 test.sh
[root@localhost ~]# pwd
/root- 执行脚本
[root@localhost ~]# ansible all -m script -a '/root/test.sh'
192.168.159.138 | CHANGED => {"changed": true,"rc": 0,"stderr": "Shared connection to 192.168.159.138 closed.\r\n","stderr_lines": ["Shared connection to 192.168.159.138 closed."],"stdout": "hello word\r\n","stdout_lines": ["hello word"]
}- 去掉权限，执行脚本
[root@localhost ~]# chmod -x test.sh
[root@localhost ~]# ll
total 8
-rw-------. 1 root root 1172 Aug 26 10:47 anaconda-ks.cfg
-rw-r--r-- 1 root root 31 Aug 27 19:52 test.sh
[root@localhost ~]# ansible all -m script -a '/root/test.sh'
192.168.159.138 | CHANGED => {"changed": true,"rc": 0,"stderr": "Shared connection to 192.168.159.138 closed.\r\n","stderr_lines": ["Shared connection to 192.168.159.138 closed."],"stdout": "hello word\r\n","stdout_lines": ["hello word"]
}7. template
temolate模块用与生成一个模板，并可将其传输至远程主机上
- 首先在主控机的根下创建一个一个目录
[root@localhost ~]# mkdir /files/yum -p
[root@localhost ~]# ls /files/
yum
[root@localhost ~]# cd /files/yum- 把8的源安装在根下面并清理云缓存
[root@ansible yum]# wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-8.repo
--2020-08-30 18:58:03-- https://mirrors.aliyun.com/repo/Centos-8.repo
Resolving mirrors.aliyun.com (mirrors.aliyun.com)... 112.28.222.243, 111.7.88.238, 112.28.222.242, ...
Connecting to mirrors.aliyun.com (mirrors.aliyun.com)|112.28.222.243|:443... connected.
HTTP request sent, awaiting response... 200 OK
...[root@ansible yum]# sed -i -e '/mirrors.cloud.aliyuncs.com/d' -e '/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-Base.repo
- 进入vim CentOS-Base.repo 将$releasever改成8
[root@ansible yum]# vim CentOS-Base.repo [centosplus]
name=CentOS-8 - Plus - mirrors.aliyun.com
failovermethod=priority
baseurl=https://mirrors.aliyun.com/centos/8/centosplus/$basearch/os/http://mirrors.aliyuncs.com/centos/8/centosplus/$basearch/os/
...
- 将受控机的源删除
[root@localhost ~]# rm -rf /etc/yum.repos.d/*
[root@localhost ~]# ls /etc/yum.repos.d/- 将源的名字改成8
[root@ansible yum]# mv CentOS-Base.repo CentOS8.repo
[root@ansible yum]# ls
CentOS8.repo
- 使用template命令把源从主控机安装到受控机上去
[root@ansible ~]# ansible 192.168.159.138 -m template -a 'src=/files/yum/CentOS8.repo dest=/etc/yum.repos.d/CentOS-Base.repo'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": true,"checksum": "ff9a9456ae8d34de0496ce35d699f90d992c81a7","dest": "/etc/yum.repos.d/CentOS-Base.repo","gid": 0,"group": "root","md5sum": "6a3fd2cacd1631d6af05a54c50b0513a","mode": "0644","owner": "root","secontext": "system_u:object_r:system_conf_t:s0","size": 2395,"src": "/root/.ansible/tmp/ansible-tmp-1598787001.7791588-1670-168030840085436/source","state": "file","uid": 0
}
- 然后查看受控机是否有源
[root@localhost ~]# ls /etc/yum.repos.d
CentOS-Base.repo8. yum模块
- name：要管理的包名
- state：要进行的操作
- state常用的值 ：
- latest：安装软件
- installed：安装软件
- present：安装软件
- removed：卸载软件
- absent：卸载软件
若想使用yum来管理软件，请确保受控机上的yum源无异常。
8.1 在主控机里用yum模块给受控机安装zsh
- 先在受控机里安装dnf
[root@localhost ~]# yum -y install dnf
Updating Subscription Management repositories.
Unable to read consumer identity
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Last metadata expiration check: 0:00:15 ago on Sun 30 Aug 2020 07:35:02 PM CST.
Package dnf-4.2.17-6.el8.noarch is already installed.
Dependencies resolved.
======================================================================================================Package Architecture Version Repository Size
======================================================================================================
Upgrading:dnf noarch 4.2.17-7.el8_2 base 469 kdnf-data noarch 4.2.17-7.el8_2 base 145 klibdnf x86_64 0.39.1-6.el8_2 base 620 kpython3-dnf noarch 4.2.17-7.el8_2 base 521 k
...
- 过滤一下,安装python2-dnf
[root@localhost ~]# yum list all |grep dnf
dnf.noarch 4.2.17-7.el8_2 @base
dnf-data.noarch 4.2.17-7.el8_2 @base
dnf-plugin-spacewalk.noarch 2.8.5-11.module+el8.1.0+3455+3ddf2832 @AppStream
dnf-plugin-subscription-manager.x86_64 1.26.16-1.el8 @anaconda
...
- 在受控机上查看是否安装了zsh
[root@localhost ~]# rpm -qa |grep zsh
[root@localhost ~]# - 在主机上给受控机安装zsh
[root@ansible ~]# ansible all -m yum -a 'name=zsh state=present'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": true,"msg": "","rc": 0,"results": ["Installed: zsh-5.5.1-6.el8_1.2.x86_64"]
}- 查看受控机是否安好zsh
[root@localhost ~]# rpm -qa |grep zsh
zsh-5.5.1-6.el8_1.2.x86_648.2 给主机安装zsh
[root@ansible ~]# rpm -qa |grep zsh
[root@ansible ~]# yum -y install zsh
Updating Subscription Management repositories.
Unable to read consumer identity
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
CentOS-8 - Base - mirrors.aliyun.com 7.6 kB/s | 3.9 kB 00:00
CentOS-8 - Extras - mirrors.aliyun.com 4.0 kB/s | 1.5 kB 00:00
CentOS-8 - AppStream - mirrors.aliyun.com 9.5 kB/s | 4.3 kB 00:00
Dependencies resolved.
...
[root@ansible ~]# rpm -qa |grep zsh
zsh-5.5.1-6.el8_1.2.x86_64- 卸载absent
[root@ansible ~]# ansible localhost -m dnf -a 'name=zsh state=absent'
localhost | CHANGED => {"changed": true,"msg": "","rc": 0,"results": ["Removed: zsh-5.5.1-6.el8_1.2.x86_64"]
}
8.3 download_only:只下载 ； download_dir：下载到哪去
[root@ansible ~]# ls /tmp/
ks-script-xmj7ui4e vmware-root_916-2689078442 vmware-root_922-2722632355
vmware-root_915-4022177651 vmware-root_918-2697532712 vmware-root_933-3988752732
[root@ansible ~]# ansible localhost -m dnf -a 'name=zsh download_only=yes download_dir=/tmp/'
localhost | CHANGED => {"changed": true,"msg": "","rc": 0,"results": ["Downloaded: zsh-5.5.1-6.el8_1.2.x86_64"]
}
[root@ansible ~]# ls /tmp/
ks-script-xmj7ui4e vmware-root_918-2697532712 zsh-5.5.1-6.el8_1.2.x86_64.rpm
vmware-root_915-4022177651 vmware-root_922-2722632355
vmware-root_916-2689078442 vmware-root_933-39887527329. copy模块
copy模块用于复制文件至远程受控机。y模块用于复制文件至远程受控机。
9.1 把zsh从主控机copy到受控机上
- 查看受控上是否有zsh
[root@localhost ~]# ls
anaconda-ks.cfg- 在主控机上进行copy
[root@ansible ~]# ansible all -m copy -a 'src=/tmp/zsh-5.5.1-6.el8_1.2.x86_64.rpm dest=/root/'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": true,"checksum": "3101ef1f2e61fc08f7fa698fe7754b3007663c26","dest": "/root/zsh-5.5.1-6.el8_1.2.x86_64.rpm","gid": 0,"group": "root","md5sum": "4d242d649ea376f21fd83e47003c18ee","mode": "0644","owner": "root","secontext": "system_u:object_r:admin_home_t:s0","size": 3039264,"src": "/root/.ansible/tmp/ansible-tmp-1598791346.6248155-2970-76739662063530/source","state": "file","uid": 0
}- 查看受控机是否有zsh
[root@localhost ~]# ls
anaconda-ks.cfg zsh-5.5.1-6.el8_1.2.x86_64.rpm10 group模块
group模块用于在受控机上添加或删除组。
10.1 创建组
- 在受控机上查看没有组
[root@localhost ~]# grep runtime /etc/group- 在主机新建组叫runtime
[root@ansible ~]# ansible all -m group -a 'name=runtime state=present'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": true,"gid": 1000,"name": "runtime","state": "present","system": false
}- 查看受控机是否有组
[root@localhost ~]# grep runtime /etc/group
runtime:x:1000:10.2 删除组
- 用absent来删除
[root@ansible ~]# ansible all -m group -a 'name=runtime state=absent'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": true,"name": "runtime","state": "absent"
}- 在受控机中查看是否1删除成功
[root@localhost ~]# grep runtime /etc/group
[root@localhost ~]#
已删除成功
11. user模块
user模块用于管理受控机的用户帐号
11.1 创建tom用户
- 在受控机上查看是否有tom用户
[root@localhost ~]# id tom
id: ‘tom’: no such user- 用user创建透明用户
[root@ansible ~]# ansible all -m user -a 'name=tom uid=2000 state=present'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": true,"comment": "","create_home": true,"group": 2000,"home": "/home/tom","name": "tom","shell": "/bin/bash","state": "present","system": false,"uid": 2000
}- 在受控机查看是否创建成功
[root@localhost ~]# id tom
uid=2000(tom) gid=2000(tom) groups=2000(tom)11.2 修改tom用户的uid
[root@ansible ~]# ansible all -m user -a 'name=tom uid=3000'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"append": false,"changed": true,"comment": "","group": 2000,"home": "/home/tom","move_home": false,"name": "tom","shell": "/bin/bash","state": "present","uid": 3000
}- 查看是否修改成功
[root@localhost ~]# id tom
uid=3000(tom) gid=2000(tom) groups=2000(tom)11.3 删除
[root@ansible ~]# ansible all -m user -a 'name=tom state=absent'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": true,"force": false,"name": "tom","remove": false,"state": "absent"
}- 在受控机上查看是否删除成功
[root@localhost ~]# id tom
id: ‘tom’: no such user12. service模块
service模块用于管理受控机上的服务
12.1 停止受控机postfix服务
- 查看受控机postfix服务在启动
[root@localhost ~]# systemctl status postfix
● postfix.service - Postfix Mail Transport AgentLoaded: loaded (/usr/lib/systemd/system/postfix.service; disabled; vendor preset: disabled)Active: active (running) since Sun 2020-08-30 21:05:35 CST; 2s agoProcess: 12495 ExecStart=/usr/sbin/postfix start (code=exited, status=0/SUCCESS)Process: 12492 ExecStartPre=/usr/libexec/postfix/chroot-update (code=exited, status=0/SUCCESS)Process: 12486 ExecStartPre=/usr/libexec/postfix/aliasesdb (code=exited, status=0/SUCCESS)Main PID: 12562 (master)Tasks: 3 (limit: 5869)Memory: 8.8MCGroup: /system.slice/postfix.service├─12562 /usr/libexec/postfix/master -w├─12563 pickup -l -t unix -u└─12564 qmgr -l -t unix -u
...
- 在主控机上停止该服务
[root@ansible ~]# ansible all -m service -a 'name=postfix state=stopped'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": true,"name": "postfix","state": "stopped","status": {"ActiveEnterTimestamp": "Sun 2020-08-30 21:05:35 CST","ActiveEnterTimestampMonotonic": "8628258867","ActiveExitTimestampMonotonic": "0","ActiveState": "active","After": "systemd-tmpfiles-setup.service network.target systemd-journald.socket tmp.mount basic.target system.slice syslog.target sysinit.target -.mount","AllowIsolate": "no",- 在受控机上查看postfix服务是否已经停止
[root@localhost ~]# systemctl status postfix
● postfix.service - Postfix Mail Transport AgentLoaded: loaded (/usr/lib/systemd/system/postfix.service; disabled; vendor preset: disabled)Active: inactive (dead)...
12.2 启动该服务
- 在主控机上启动
[root@ansible ~]# ansible all -m service -a 'name=postfix state=started'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": true,"name": "postfix","state": "started","status": {"ActiveEnterTimestampMonotonic": "0","ActiveExitTimestampMonotonic": "0",
...
- 在受控机上查看该服务是否已经启动
[root@localhost ~]# systemctl status postfix
● postfix.service - Postfix Mail Transport AgentLoaded: loaded (/usr/lib/systemd/system/postfix.service; disabled; vendor preset: disabled)Active: active (running) since Sun 2020-08-30 21:10:47 CST; 1min 0s agoProcess: 12863 ExecStart=/usr/sbin/postfix start (code=exited, status=0/SUCCESS)Process: 12861 ExecStartPre=/usr/libexec/postfix/chroot-update (code=exited, status=0/SUCCESS)Process: 12858 ExecStartPre=/usr/libexec/postfix/aliasesdb (code=exited, status=0/SUCCESS)Main PID: 12930 (master)Tasks: 3 (limit: 5869)Memory: 7.5MCGroup: /system.slice/postfix.service├─12930 /usr/libexec/postfix/master -w├─12931 pickup -l -t unix -u└─12932 qmgr -l -t unix -u
...
12.3 设置受控机上postfix服务开机不自动启动
- 在主控机上用enabled=no来设置
[root@ansible ~]# ansible all -m service -a 'name=postfix enabled=no'
192.168.159.138 | SUCCESS => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": false,"enabled": false,"name": "postfix","status": {"ActiveEnterTimestamp": "Sun 2020-08-30 21:10:47 CST","ActiveEnterTimestampMonotonic": "8940404462","ActiveExitTimestampMonotonic": "0","ActiveState": "active",- 查看受控机
[root@localhost ~]# systemctl status postfix
● postfix.service - Postfix Mail Transport AgentLoaded: loaded (/usr/lib/systemd/system/postfix.service; disabled; vendor preset: disabled)Active: active (running) since Sun 2020-08-30 21:10:47 CST; 21min agoProcess: 12863 ExecStart=/usr/sbin/postfix start (code=exited, status=0/SUCCESS)Process: 12861 ExecStartPre=/usr/libexec/postfix/chroot-update (code=exited, status=0/SUCCESS)Process: 12858 ExecStartPre=/usr/libexec/postfix/aliasesdb (code=exited, status=0/SUCCESS)Main PID: 12930 (master)12.4 设置重启自动启动
[root@ansible ~]# ansible all -m service -a 'name=postfix enabled=yes state=restarted'
192.168.159.138 | CHANGED => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"},"changed": true,"enabled": true,"name": "postfix","state": "started","status": {"ActiveEnterTimestamp": "Sun 2020-08-30 21:10:47 CST","ActiveEnterTimestampMonotonic": "8940404462",- 在受控机上查看
[root@localhost ~]# systemctl status postfix
● postfix.service - Postfix Mail Transport AgentLoaded: loaded (/usr/lib/systemd/system/postfix.service; enabled; vendor preset: disabled)Active: active (running) since Sun 2020-08-30 21:34:57 CST; 1min 4s agoProcess: 13259 ExecStop=/usr/sbin/postfix stop (code=exited, status=0/SUCCESS)Process: 13283 ExecStart=/usr/sbin/postfix start (code=exited, status=0/SUCCESS)Process: 13280 ExecStartPre=/usr/libexec/postfix/chroot-update (code=exited, status=0/SUCCESS)Process: 13276 ExecStartPre=/usr/libexec/postfix/aliasesdb (code=exited, status=0/SUCCESS)Main PID: 13350 (master)Tasks: 3 (limit: 5869)Memory: 7.6MCGroup: /system.slice/postfix.service├─13350 /usr/libexec/postfix/master -w├─13351 pickup -l -t unix -u└─13352 qmgr -l -t unix -u
...
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