How to achieve a high-level linux operation and maintenance engineer

How to be a high-level linux operation and maintenance engineer needs to understand the service construction of the system. Prepare shell scripts (easy to maintain or schedule). Mysql operation.

This is important and necessary. Secondly, it involves the application of Linux system to access the network. You can directly search the description on your resume. Looking for Linux operation and maintenance engineers of large companies, small companies may require a lot of confusion, not operation and maintenance, but also operation and maintenance.

How to become a senior linux operation and maintenance engineer with an annual salary of 500 thousand? I used to be a linux operation and maintenance engineer. If there is any future, as long as I am in this business, there is no future. It's hard. The salary of operation and maintenance is generally between 5K-6K and 6K. If I work, my development is relatively better.

What does a junior linux operation and maintenance engineer do? handyman

Do some basic work according to the tasks assigned by the old employees

What is the environment of linux operation and maintenance engineers? Our operation and maintenance team knows the structure of the company better than anyone else in the company. If something goes wrong on the line, it will be looked down upon. If there are any problems after the adjustment, you will be scolded. Although he doesn't develop, system optimization, shell script and load balancing are all completed in minutes. It's like playing a cluster. Our technology stack operation and maintenance is really deep. We can manage computer rooms and AWS clouds distributed all over the country, build local area networks, and open books for hard disks.

I think it's done. Where is such a person worthless?

The difference between senior operation and maintenance engineers in junior middle schools: junior operation and maintenance engineers need to master: Linux learning methodology, the use of VMware virtual machines, and the introduction of common servers in enterprises (Dell, IBM, Hewlett-Packard …).

Brief introduction of Linux system

Installation of enterprise Linux system

Use of remote tools

Use of common commands

Use of Vim editor

Linux system startup process

Management of accounts and groups

Disk and File System Management (Part)

Management of LVM logical volume

RAID management

Software package management (RPM software package management /YUM management/source code package installation)

program management

Planned goal

System monitoring (performance analysis/memory monitoring /CPU monitoring/disk monitoring/network monitoring /TOP)

Log management

Core module management (loading and unloading)

Shell programming

regular expression

Sed

Awk

Intermediate operation and maintenance engineers need to master:

Service management, FTP/SAMBA/NFS, IP network storage ISCSI, DHCP, NTP, DNS, Web(apache/nginx).

High performance HTTP accelerating varnish

Data image backup tools rsync and unison

tomcat

MySQL database foundation

Postfix enterprise mailbox construction

Kickstart deployment unattended installation

Introduction to Snmp

Cacti environment deployment

Ganglia cluster environment monitoring

Najios enterprise actual combat

N monitoring network traffic

Linux system security (account password security/network security/file system security/backup and recovery/logging/vulnerability scanning /Openssh)

Universal security tool for Linux (saint/nmap/tcpdump/ethereal/etherape/gnupgp)

SELinux security policy

Iptables firewall policy

Certificates and security

Construction of VPN environment

Senior operation and maintenance engineers need to master:

(XEN environment deployment, KVM environment deployment, construction and use of version control environment (SVN, CVS, GIT).

Build a customized RPM package

Pulse Amplitude Modulation (short for pulse amplitude modulation)

SELINUX

Introduction to LDAP

Centralized management of user authentication using Kerberos and LDAP

Centralized management of user authentication using Kerberos

Using Kerberos and NFSv4 to Improve the Security of Network File System (NFS)

Thoughts on the Optimization of Linux System

Performance evaluation and optimization of Linux system

Brief introduction of Linux cluster technology

Linux-HA open source software heartbeat

Linux-HA open source software remains valid.

Linux storage cluster

Linux load balancing software LVS

RHCS cluster

Constructing Mysql+heartbeat+DRBD+LVS cluster application system

Introduction to CDN

squid

Memcached application combat

Distributed storage system

Distributed storage system

Hadoop for cloud computing

What is the treatment of Linux operation and maintenance engineers? Linux is widely used in all walks of life because of its independent, open, secure, free and powerful network functions. At the same time, the embedded system of Linux shows excellent portability, and it has become a trend to use Linux system for software development. As you can imagine, the development prospect of Linux is also very considerable. But the high-level talents of Linux have not been well trained. At present, there will be a big talent demand gap in Linux.

1, domestic market development analysis

In recent years, the development of financial electronization is very rapid. Almost all transactions are done through computer networks. Deposit and withdrawal transactions and fund transfers are carried out anytime and anywhere, and the transactions are completed instantly. The traditional internal control and risk prevention methods can no longer adapt to the network processing of bank transactions. In this context, it is urgent to apply domestic basic software and risk prevention and control software to solve financial information security problems, safeguard national economic security, and illustrate the importance of domestic operating systems and the vastness of the market.

It can be predicted that in the future, Linux server operating system will not only be rapidly deployed on small and medium-sized servers, but also become the main force in the field of high-performance computing in China with its open source, autonomy and strong adaptability.

2. Employment of 2.Linux engineers

In 20 16 years, the Linux market exceeded 800 million, and the Linux elite gap reached 1.2 million. The excellent form of Linux industry makes the Linux elite always in short supply. The survey report shows that the IT industry still needs Linux elites the most. Recruitment enterprises are mainly small and medium-sized IT enterprises with less than 500 employees, accounting for 8 1.2%. Nationwide, Beijing, Guangdong, Jiangsu, Zhejiang and Shanghai have great demand for Linux elites.

3, Linux operation and maintenance engineer treatment

According to a sample survey, 90% of the hiring managers in 1000 have had such an embarrassing experience: it is really difficult to recruit experienced Linux professionals. Among the Linux professionals surveyed, 85% said that they had received at least one recruitment call in the past three months, and nearly half of them had received more than six calls. Among them, 55% people think that Linux makes it easier for them to find new and better jobs, and another 22% people say they will get rewards, such as higher wages or more flexible working hours. This shows that Linux programmers are really popular.

To sum up, the market development prospect of Linux is very broad. If you don't want to do operation and maintenance in the future, it is easier to transfer to other positions without too many restrictions. Of course, you have to do it with your heart. Rongxin IT Training reminds you here: Choose a good Linux operation and maintenance training institution and give yourself a chance to display your talents!

How to grow into a real linux senior operation and maintenance engineer?

Operation and maintenance engineers need to understand the service structure of the system. Prepare shell scripts (easy to maintain or schedule). Mysql operation.

This is important and necessary. Secondly, it involves the application of Linux system to access the network. You can directly search the description on your resume. Looking for Linux operation and maintenance engineers of large companies, small companies may require a lot of confusion, not operation and maintenance, but also operation and maintenance.

What is a linux application operation and maintenance engineer is an executive maintenance engineer.

Skills requirements:

Be familiar with linux system and skillfully install common software (Apache/Nginx/MySQL/Memcache/KVM virtualization).

Maintain, adjust and monitor commonly used software.

Handle the fault urgently to ensure the normal operation of the server.

What do linux junior and intermediate operation and maintenance engineers do? 1. Keep the host running safely: check the running status of the host, including disk, CPU and network;

2. Maintain network security: check the network implementation of the system to prevent emergencies and ensure uninterrupted network access;

3. Assist the development team to complete the application deployment;

4. Complete the addition and subtraction between the host and the network;

What about aix operation and maintenance engineers? Maybe the starting point is ok, but the more you go up, the harder it is. You have to learn a lot of knowledge in different fields. You can become an expert in a certain field if you refine it later. Learn more miscellaneous things and you can develop in the direction of architects.