Used to set the "host name (HOSTNAME) and start network or not"
Generally, the host name takes effect after the reboot.
If you set up a gateway here, but you also reconfigure the gateway elsewhere and make it effective, use a different local gateway.
If the gateway is not configured elsewhere, the gateway is the subject.
Therefore, it may be caused by the gateway network problem, need to pay attention to ...
Tags: sysconfigToday to add firewall rules to the server, accidentally deleted a rule, and then my remote connection is broken, my boss suddenly asked me iptables configuration file path where, at that time, I really do not know because all are command to add a firewall, the result was the boss to say the foundation is not solid.Think also really, Linux study for more than a year, at the beginning so desperately learning is to lay a good foundation, the thought of their own foundation has been g
The iptables file cannot be found in/etc/sysconfig /.
I wanted to make some firewall policies. All firewall policies are written in the/etc/sysconfig/iptables file. But I don't have this file either.
[root@iZ23gx7o02aZ /]# cd /etc/sysconfig/[root@iZ23gx7o02aZ sysconfig]# lsatd firstboot irqbalance netw
Time:2014-12-19 01:17Source:CsdnAuthor:Big Wisdom ReportClick:5,639 playsWould like to do some firewall policy. The firewall policy is written in the/etc/sysconfig/iptables file. But I found that I did not have this file.Cd/etc/sysconfig/[[email protected] sysconfig]# lsatd firstboot irqbalance network-scripts Portal sysstatauditd
/etc/sysconfig/Table of contents detailed2010-06-19 11:12 6693 People read Comments (1) favorite reports Desktop environment Debugging Firewall Serviceunix languageThe/etc/sysconfig/directory includes various system profiles under Red Hat Enterprise Linux, and the following is a list of files in the/etc/sysconfig/directoryIf some of the files listed here do no
About the NOZEROCONF = yes parameter in linux/etc/sysconfig/network, etcsysconfigi18n
About the NOZEROCONF = yes parameter in linux/etc/sysconfig/network
Today, we saw this parameter in the CSSD Fails to Join the Cluster After Private Network Recovered if avahi Daemon is up and Running (Doc ID 1501093.1) article,In this article, we will discuss the following:
SolutionThe solution is to shutdown and disable
Linux system configuration file/etc/sysconfig-Cheung Solution
If some of the files listed here do not appear in your/etc/sysconfig/directory, the corresponding program may not be installed. These files are described separately here, with a general description of these profiles, and, if you want to see their full contents, check their man pages.
BackgroundThe software needs to be installed on the server, and it must be connected to a public network like a MAVEN agent.First configured the gateway, found that the public network can be accessed through IP, in the configuration of DNS can access the public network through the domain nameInstanceConfigure how Linux can surf the web/etc/sysconfig/network-scripts/ifcfg-eth0 Configuring or modifying gateways and DNS in a configuration fileDNS1=8.8.8
The error log is as follows
The code is as follows
Cat/var/log/boot.logWelcome to CentOSStarting Udev:/sbin/start_udev:line 299:/etc/sysconfig/network:no such file or directory[OK]Setting hostname localhost: [OK]Setting up Logical Volume management:no Volume groups found[OK]Checking filesystems/dev/sda2:clean, 26038/640848 files, 298339/2560000 blocks/dev/sda1:clean, 38/51200 files, 34323/204800 blocks/dev/sda5:c
[email protected] ~]# Vi/etc/sysconfig/network-scripts/ifcfg-eth0device=eth0# NIC device nameonboot=yes# Activate Yes at startup | nobootproto=static# protocol type DHCP BOOTP noneipaddr=192.168.1.90# Network IP addressnetmask=255.255.255.0# Network Subnet addressgateway=192.168.1.1# Gateway addressbroadcast=192.168.1.255# Broadcast Addresshwaddr=00:0c:29:fe:1a:09# network card MAC addresstype=ethernet# network card type is EthernetNote: You will need
Edit the/etc/sysconfig/i18n file. delete the original settings, copy the following LANG quot; zh_CN.GB18030 quot; SUPPORTED quot; zh_CN.GB18030: zh_CN: zh: en_US.UTF-8: en_US: en quot; SYSFONT q
Edit the/etc/sysconfig/i18n file. delete the original settings, copy the following LANG = "zh_CN.GB18030" SUPPORTED = "zh_CN.GB18030: zh_CN: zh: en_US.UTF-8: en_US: en" SYSFONT = "latarcyrheb-sun16" save, rest
/etc/sysconfig/selinux configuration file
Under Red Hat Enterprise Linux, two methods can be used to configure SELinux: Use the security level Configuration Tool (system-config-securitylevel) or manually edit the configuration file (/etc/s Ysconfig/selinux).
/etc/sysconfig/selinux is the primary configuration file for starting or aborting SELinux, or it can be used to set which policies need to be enforced
Controls the system font settings. The language variables are used in/etc/profile. d/lang. Sh. An example i18n file:
Lang = set locale for all categories, can be any two letter ISO language code.
Lc_ctype = localedata configuration for classification and conversion of characters.
Lc_collate = localedata configuration for collation (sort order) of strings.
Lc_messages = locale
Solve the problem that iptables does not exist in CentOS 6.6/etc/sysconfig /.
The newly installed CentOS 6.6 is used to build ftp and use the built-in one. When adding firewall rules, you find that the iptables file is not in the/etc/sysconfig/directory.
1. Run any iptables firewall rule configuration command:[Plain] view plaincopyprint?
2. Save the iptables service:
In a newly installed Linux system, the firewall is banned by default, and there is no firewall policy configured, and none of the/etc/sysconfig/iptables files exist.Workaround:1. Type the following command to create a new file2. Copy the following code, which opens the 80,3306,22 port by default# Firewall configuration written by System-config-firewall# # Manual Customization of this file are not recommended.*filter: INPUT ACCEPT [0:0]: FORWARD ACCEPT
Type=ethernet #网卡类型Device=eth0 #网卡接口名称Onboot=yes #系统启动时是否自动加载Bootproto=static #启用地址协议--static: Static protocol--BOOTP Protocol--DHCP Protocolipaddr=192.168.1.11 #网卡IP地址netmask=255.255.255.0 #网卡网络地址gateway=192.168.1.1 #网卡网关地址dns1=10.203.104.41 #网卡DNS地址hwaddr=00:0c:29:13:5d:74 #网卡设备MAC地址broadcast=192.168.1.255 #网卡广播地址This article is from the "Technology First" blog, please be sure to keep this source http://wuxiangdong.blog.51cto.com/8274747/1575254/etc/syscon
# Firewall configuration written by system-config-Firewall# Manual customization of this file is not recommended.* Filter: Input accept [0: 0]: Forward accept [0: 0]: Output accept [0: 0]-A input-M state -- State established, related-J accept-A input-p icmp-J accept-A input-I lo-J accept-A input-M state -- state new-m tcp-p tcp -- dport 22-J accept-A input-J reject -- reject-with ICMP-host-prohibited-A forward-J reject -- reject-with ICMP-host-prohibitedCommit
The above is the initial value of t
Solve the problem that iptables does not exist in CentOS 6.6,/etc/sysconfig /.
In the latest CentOS 7 linux system, changing the default firewall to firewalld replaces the previous iptables firewall. How can I enable the iptrables firewall again? This article will show you how to delete the existing firewalld firewall? How to install the iptables firewall before CentOS 7:
Disable firewalld firewall in CentOS 7
First, stop the firewalld service and
This file is used to specify network configuration information on the server, and here is an example:
Whether the network=yes/no network is configured;
Forward_ipv4=yes/no whether IP forwarding is enabled
Hostname=hostname HOSTNAME represents the host name of the server
Gareway=gw-ip Gw-ip represents the IP address of a net
version, each use will encounter some problems that are not known. Record down the process and learn some of the pits encountered. *system version: CentOS Linux release 7.3.1611 (Core)*system kernel: 3.10.0-514.el7.x86_64#获取selinux状态信息[email protected] ~]# GetenforceEnforcing#临时关闭selinux, the same as the original version.[email protected] ~]# Setenforce 0[email protected] ~]# GetenforcePermissive#问题就是在修改配置文件#按照CentOS 6 To modify the configuration file location:/etc/
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