Preview Tasks + Class Notes for Lesson 0418
10.19 iptables rule backup and recovery
service iptables save saves rules to/etc/sysconfig/iptables
Iptables-save > target file Save rules to another file
[root@arslinux-01 ~]# iptables-save > /tmp/ipt.txt
[root@arslinux-01 ~]# cat !$
cat /tmp/ipt.txt
# Generated by iptables-save v1.4.21 on Wed Apr 17 19:56:24 2019
*filter
:INPUT ACCEP ...
Posted by phpPunk on Sat, 11 May 2019 14:16:22 +0200
centos installs ZABBIX (server and agent)
Catalog
Configuration of server
II. Configuring Agents
3. Notes:
1. Ports are not accessible
2. Active and passive modes of ZABBIX
3. Incorrect alarm time
4. Reference:
Configuration of server
First configure the zabbix server side
1. go zabbix official website Choose install zabbix from package mode, and then select ...
Posted by Chris_78 on Fri, 10 May 2019 22:11:02 +0200
CentOS (5.8/6.4) linux production environment optimization (practical section)
Next, I'll give you a brief explanation of some basic optimization operations after the installation of Linux system.
Note: This optimization is based on entOS (5.8/6.4). I will mention the cell size of 5.8 and 6.4 when they are optimized.
Optimize entries:
Modify ip address, gateway, host name, DNS, etc.
Close selinux，Empty iptables
Added ...
Posted by pepperface on Thu, 09 May 2019 07:18:04 +0200