Home Operation and Maintenance Linux Operation and Maintenance Key skills that are indispensable for increasing salary: Linux operation and maintenance

Key skills that are indispensable for increasing salary: Linux operation and maintenance

Sep 09, 2023 am 10:36 AM
linux Operation and maintenance Skill

Key skills that are indispensable for increasing salary: Linux operation and maintenance

Key skills that are indispensable for increasing salary: Linux operation and maintenance

随着互联网的快速发展,Linux操作系统作为一种高效、稳定的服务器操作系统得到了广泛应用。作为一个Linux运维工程师,熟练掌握Linux操作系统和相关技术,不仅可以为企业提供稳定可靠的IT基础设施,还可以为自己的薪资水平带来明显的提升。本文将介绍一些Linux运维中常见的关键技能,并附上相应的代码示例,让我们一起来探讨这个话题。

一、系统安装和配置
Linux运维的基础工作之一就是能够熟练地进行系统安装和配置。熟悉各种发行版的安装流程、硬盘分区、网络设置等是必备的技能之一。
例如,我们可以使用以下命令来查看系统版本:

lsb_release -a
Copy after login

或者使用以下命令来查看网络配置:

ifconfig -a
Copy after login

二、Shell脚本编程
Shell脚本编程是Linux运维中的重要一环,通过编写脚本可以提高工作效率和自动化处理。熟悉常用的Shell脚本语法和命令,能够编写脚本来执行日常工作任务。
下面是一个简单的示例,实现了查找并删除指定目录下的重复文件:

#!/bin/bash

find /path/to/directory -type f -exec md5sum {} ; | sort | uniq -d | awk '{print $2}' | xargs rm -rf
Copy after login

三、网络和安全配置
作为一名Linux运维工程师,了解网络和安全配置是必不可少的。熟悉网络设备配置、防火墙设置、端口和服务的管理等能够确保服务器的安全和稳定。
以下是一个使用iptables实现端口转发的示例:

# 开启端口转发功能
echo 1 > /proc/sys/net/ipv4/ip_forward

# 将外网的80端口转发到内网的8080端口
iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to-destination 192.168.1.10:8080
iptables -t nat -A POSTROUTING -p tcp -d 192.168.1.10 --dport 8080 -j SNAT --to-source 192.168.1.1
Copy after login

四、性能调优和故障排查
Linux运维工程师应该具备性能调优和故障排查的能力,能够及时发现并解决系统性能方面的问题。熟悉常用的系统性能监控工具和调优方法能够提高系统的稳定性和性能。
以下是一个使用sar命令实时监控系统性能的示例:

sar -u 1 10
Copy after login

五、自动化运维
随着企业规模的不断扩大,Linux服务器的数量也越来越多,如何高效地管理和维护这些服务器成为了一个挑战。掌握自动化运维工具和技术,能够提高工作效率。
以下是一个使用Ansible进行服务器配置管理的示例:

- name: Install and start Apache
  hosts: webservers
  tasks:
    - name: Install Apache
      yum:
        name: httpd
        state: latest
      become: true
    - name: Start Apache
      service:
        name: httpd
        state: started
      become: true
Copy after login

六、故障应急处理
作为一名Linux运维工程师,能够快速、准确地处理系统故障是至关重要的。熟悉常见的故障排查方法和技巧,能够迅速定位问题并采取相应的应急措施。
以下是一个使用dmesg命令查看系统日志的示例:

dmesg | grep "error"
Copy after login

结语:
Linux运维是一个非常广泛、复杂而又关键的领域,熟练掌握Linux运维技术不仅可以为企业提供稳定可靠的IT基础设施,还可以为个人的薪资水平带来显著提升。本文介绍了一些Linux运维中常见的关键技能,并附上了相应的代码示例。希望能够帮助读者进一步了解并掌握这些技能,提高自己在Linux运维领域的竞争力。

The above is the detailed content of Key skills that are indispensable for increasing salary: Linux operation and maintenance. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
1 months ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Chat Commands and How to Use Them
1 months ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Difference between centos and ubuntu Difference between centos and ubuntu Apr 14, 2025 pm 09:09 PM

The key differences between CentOS and Ubuntu are: origin (CentOS originates from Red Hat, for enterprises; Ubuntu originates from Debian, for individuals), package management (CentOS uses yum, focusing on stability; Ubuntu uses apt, for high update frequency), support cycle (CentOS provides 10 years of support, Ubuntu provides 5 years of LTS support), community support (CentOS focuses on stability, Ubuntu provides a wide range of tutorials and documents), uses (CentOS is biased towards servers, Ubuntu is suitable for servers and desktops), other differences include installation simplicity (CentOS is thin)

Centos stops maintenance 2024 Centos stops maintenance 2024 Apr 14, 2025 pm 08:39 PM

CentOS will be shut down in 2024 because its upstream distribution, RHEL 8, has been shut down. This shutdown will affect the CentOS 8 system, preventing it from continuing to receive updates. Users should plan for migration, and recommended options include CentOS Stream, AlmaLinux, and Rocky Linux to keep the system safe and stable.

Detailed explanation of docker principle Detailed explanation of docker principle Apr 14, 2025 pm 11:57 PM

Docker uses Linux kernel features to provide an efficient and isolated application running environment. Its working principle is as follows: 1. The mirror is used as a read-only template, which contains everything you need to run the application; 2. The Union File System (UnionFS) stacks multiple file systems, only storing the differences, saving space and speeding up; 3. The daemon manages the mirrors and containers, and the client uses them for interaction; 4. Namespaces and cgroups implement container isolation and resource limitations; 5. Multiple network modes support container interconnection. Only by understanding these core concepts can you better utilize Docker.

How to install centos How to install centos Apr 14, 2025 pm 09:03 PM

CentOS installation steps: Download the ISO image and burn bootable media; boot and select the installation source; select the language and keyboard layout; configure the network; partition the hard disk; set the system clock; create the root user; select the software package; start the installation; restart and boot from the hard disk after the installation is completed.

How to use docker desktop How to use docker desktop Apr 15, 2025 am 11:45 AM

How to use Docker Desktop? Docker Desktop is a tool for running Docker containers on local machines. The steps to use include: 1. Install Docker Desktop; 2. Start Docker Desktop; 3. Create Docker image (using Dockerfile); 4. Build Docker image (using docker build); 5. Run Docker container (using docker run).

What are the backup methods for GitLab on CentOS What are the backup methods for GitLab on CentOS Apr 14, 2025 pm 05:33 PM

Backup and Recovery Policy of GitLab under CentOS System In order to ensure data security and recoverability, GitLab on CentOS provides a variety of backup methods. This article will introduce several common backup methods, configuration parameters and recovery processes in detail to help you establish a complete GitLab backup and recovery strategy. 1. Manual backup Use the gitlab-rakegitlab:backup:create command to execute manual backup. This command backs up key information such as GitLab repository, database, users, user groups, keys, and permissions. The default backup file is stored in the /var/opt/gitlab/backups directory. You can modify /etc/gitlab

How to mount hard disk in centos How to mount hard disk in centos Apr 14, 2025 pm 08:15 PM

CentOS hard disk mount is divided into the following steps: determine the hard disk device name (/dev/sdX); create a mount point (it is recommended to use /mnt/newdisk); execute the mount command (mount /dev/sdX1 /mnt/newdisk); edit the /etc/fstab file to add a permanent mount configuration; use the umount command to uninstall the device to ensure that no process uses the device.

What to do after centos stops maintenance What to do after centos stops maintenance Apr 14, 2025 pm 08:48 PM

After CentOS is stopped, users can take the following measures to deal with it: Select a compatible distribution: such as AlmaLinux, Rocky Linux, and CentOS Stream. Migrate to commercial distributions: such as Red Hat Enterprise Linux, Oracle Linux. Upgrade to CentOS 9 Stream: Rolling distribution, providing the latest technology. Select other Linux distributions: such as Ubuntu, Debian. Evaluate other options such as containers, virtual machines, or cloud platforms.

See all articles