Difference between revisions of "Linux"
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Revision as of 14:15, 21 August 2014
Linux is wonderful! However it can be a mess to setup.
These are some how-to and tricks for Linux (Debian / Ubuntu) servers and workstations.
Contents
Server / workstation core setup
How to setup & maintain a Linux server or workstation with basics services.
Server / Workstation setup | |||||
---|---|---|---|---|---|
Installation | Partitions setup | Specifics | Prefer IPv4 over IPv6 | Applications | Photo |
Network and hostname configuration | XFCE: screensaver bug fix | Clean ubuntu | |||
VIM editor | Drivers | ||||
Sources | |||||
Create user | |||||
Useful programs | |||||
Languages | |||||
Automatic updates |
Security
How to secure your server / workstation ?
Global security
Anti-virus / anti root-kits / Fail2Ban
SSH
- SSH server setup
- SSH server using local user / password auth.
- SSH server using key auth.
- SSH server using LDAP user auth.
- SSH server using LDAP key auth.
Firewall
This section explains HOW to create, maintain and use a firewall with IpTables.
Firewall | |
---|---|
Basics | Firewall principle |
Firewall basics | |
Firewall core (main) protocols | |
Firewall VPN | |
Firewall OUTPUT filters | |
Firewall INPUT filters | |
Advanced | Firewall port forwarding |
Firewall source address filtering | |
Installation and scripts | Firewall installation scripts |
SSL
SSL certificates and chain of trust
VPN
Intrusion Detection / Protection
Protection is good, but that's not enough! We need to detect attacks.
- IDS = Intrusion Detection System : tool that detect attacks.
- IPS = Intrusion Protection System : detect an intrusion attempt and react upon it.
I'm using one of the most famous IDS: "Snort" (https://www.snort.org/).
Linux appliances
User management
DB servers
- MySQL server
- PostgreSQL
Web
Web server
How to setup a website, proxy and SSL certificates...
Web applications
Web applications |
---|
Web app PhpMyAdmin |
Web app PhpLdapAdmin |
Web app PhpSecInfo |
Continuous Integration applications
CI applications |
---|
Jenkins |
Sonar |
SVN server |
Network
DHCP and DNS
Network | |
---|---|
DHCP server | DHCP server installation |
DHCP dynamic IP assignation | |
DHCP static IP assignation | |
DNS | DNS server |
DNS server split |
- Samba server
- NFS server
- Webdav
NetBoot
This section explains how to setup, boot and maintain a netboot image.
Requirements:
NetBoot and "Thin client" (diskless clinets) principle:
NetBoot services setup:
NetBoot setup:
- 0. NetBoot server principle
- 1. NetBoot server setup - network Linux installation
- 2. NetBoot server setup - diskless clients
- 3. Diskless client setup
- 4. PXE menu
Monitoring
Monitoring IT components, servers and applications using Zabbix
Monitoring | |
---|---|
Zabbix server | Zabbix server setup |
Zabbix server configuration | |
Zabbix server hosts management | |
Zabbix server template management = create and manage template | |
Zabbix server create new application, items, triggers and actions | |
Zabbix server dashboard | |
Zabbix agent setup | Zabbix agent setup |
Note:
I'm using Zabbix v2.2. All the following information are just a practical summary of the Zabbix official documentation applied to my use-case.
Other services
- NTP time sync
- Logwatch
Management UI
Raspberry pi
This section is under construction...