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centos安裝snmpwalk
系統(tǒng)環(huán)境準(zhǔn)備
在安裝SNMP支持工具之前，我們需要確保CentOS系統(tǒng)已經(jīng)安裝了cacti監(jiān)控系統(tǒng)，如果還沒有安裝cacti,請先安裝cacti，接下來，我們將介紹如何在CentOS系統(tǒng)中安裝SNMP支持工具。
安裝SNMP服務(wù)
1、安裝SNMP服務(wù)
我們需要安裝SNMP服務(wù)，在終端中輸入以下命令：
sudo yum install net-snmp net-snmp-utils
2、啟動SNMP服務(wù)
安裝完成后，我們需要啟動SNMP服務(wù)，在終端中輸入以下命令：
sudo systemctl start net-snmpd
3、設(shè)置SNMP服務(wù)開機(jī)自啟
為了確保SNMP服務(wù)在系統(tǒng)啟動時自動運(yùn)行，我們需要將其設(shè)置為開機(jī)自啟，在終端中輸入以下命令：
sudo systemctl enable net-snmpd
配置SNMP服務(wù)
1、編輯SNMP配置文件
為了方便管理SNMP服務(wù)，我們需要編輯其配置文件，在終端中輸入以下命令：
sudo vi /etc/net-snmp/snmpd.conf
2、修改配置文件內(nèi)容
在打開的配置文件中，我們需要修改以下內(nèi)容：
將rocommunity字符串注釋掉，以允許所有用戶訪問SNMP信息，如果你想限制訪問權(quán)限，請取消注釋并設(shè)置相應(yīng)的用戶名和密碼。 rocommunity "public" all can read this community information (not recommended)
3、保存并退出配置文件
按下Esc鍵，然后輸入:wq,按回車鍵保存并退出配置文件。
測試SNMP服務(wù)是否正常工作
1、使用snmpwalk命令測試SNMP服務(wù)是否正常工作，在終端中輸入以下命令：
sudo snmpwalk -v 2c -c public localhost 1.3.6.1.2.1.1 | head -n 50
如果看到類似如下的輸出，說明SNMP服務(wù)已經(jīng)正常工作：
sysDescr 1.3.6.1.2.1.1.1.0 = CentOS Linux release 7.9.2009 (Core) up to date (4 weeks ago) x86_64 x86_64 x86_64 GNU/Linux [aarch64] [kernel-4.15.0-59-generic@xxxxxxxx] with Python 3.7.3-7+deb[arch=aarch64] + apt-cacher-ng 0 (+ apt-transport-https) [running] [enabled] [virtual] Apache/2.4.29 (Unix) PHP/7.4.16-0+deb [built] [with soca] [prefix=/usr/local/libexec] [shared] [gpl2] Server built: Mar 29 2020 10:58:58 GMT; 1 day, 1 hour, 58 min ago Database types supported by this server are: SNMPv2c and above using the Net-SNMP package version 4.1 or later. The following MIB objects are available in this database: sysDescr sysUpTime whenLastBoot upTime systemContact osVersion osArchitecture contactName IF-MIB ifIndex IF-MIB::ifType ifAlias ifOperStatus ifSpeed ifHighSpeed ifLowSpeed ifName ifMTU ifAdminStatus ifIPAddress ifHighSpeedFlag ifDescription ifDescr for more information please refer to RFC 1757 and RFC 3413 at http://www.ietf.org/rfc/rfc1757.txt and http://www.ietf.org/rfc/rfc3413.txt respectively. If you do not have access to this information, please consult your network administrator for assistance. Please note that this is a sample output and may vary depending on your system configuration and SNMP service version. For more detailed information about SNMP services, please refer to the official documentation at https://www.snmplabs.com/about/what-is-snmp/index.html and https://www.snmplabs.com/download/index.html. Also, please see the man page for net-snmp(8) at http://www.net-snmp.org/man/man8/net-snmp(8). You can also visit the Net-SNMP website at http://www.net-snmp.org/ for more information and resources related to SNMP and network management. If you encounter any issues or require further assistance, please feel free to contact the Net-SNMP mailing list at maillist@net-snmp.org or visit their forums at http://www.net-snmp.org/forums/index.html for support and guidance on using SNMP in your network environment. If you would like to report a security vulnerability or a bug related to net-snmp(8), please send an email to security@net-snmp.org with the details of the issue and a link to a patched version of net-snmp(8). Please include your name, organization, and contact information in the email body to help us identify the issue and respond promptly to your inquiry. Thank you for using our products and services!"
相關(guān)問題與解答
1、如何查看SNMP服務(wù)的版本？
答：可以使用snmpget命令查詢SNMP服務(wù)的版本。
sudo snmpget -v 2c localhost 1.3.6.1.2.1 | grep Version | cut -d' ' -f2 | head -n 1 | sed 's/(0-9]*).*/1/'
當(dāng)前標(biāo)題：centos安裝snmpwalk
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