A fundamental command in Linux is ls. Without this command, we would encounter difficulties when browsing directory entries. This command must be known by everyone learning Linux. What is ls The ls command is used to list files and directories. By default, it will list the contents of the current directory. With parameters, we can use l …
You’ve read plenty of tutorials and watched countless videos鈥攜ou’re now an advanced Linux user. Well, congratulations! But there’s still more to learn! The following commands will come in handy when you become a full-fledged system administrator! ifconfig: When modifying existing network interfaces in the kernel, you’ll use if …
Ø Installing vsftp Software on Redhat/CentOS
1. Update yum repositoryFirst, update the system’s yum repository. Convenience tool download link: http://help.aliyun.com/manual?&helpId=16922. Install vsftpUse yum command to install vsftp#yum install vsftpd -y …
1.Tilda
Tilda is a Quake-style terminal emulator that supports hotkey activation — summon it to the foreground when you need it, and hide it away when you don’t. Additionally, Tilda supports background transparency, making it easy to see the content behind the window.
Shell code
sudo apt-get install tild …
Domain name resolution is configured after you register a domain through a domain management service, so this tutorial assumes you already own a domain. Common domain registrars include Wanwang, Xinwang, West Data, and overseas providers like GoDaddy.
Setting up A/MX records is mainly needed when building a mail server …
How to Check and Change Linux Timezone1. Check current timezoneCommand: "date -R"2. Methods to change Linux server timezoneMethod ACommand: "tzselect"Method B For RedHat Linux and CentOS onlyCommand: "timeconfig"Method C For DebianCommand: "dpkg-reconf …
While chatting with a friend who works in operations, the topic of whether yum installation or source-based installation is better came up. I really didn’t expect the opinions on this issue to be so divided. Some people believe that if you don’t use source-based installation, you’re not a good operations engineer or a good system administrator. That’s quite a sweeping generalization. Here, I’d like to share my …
System Information
arch Display the machine’s processor architecture (1)
uname -m Display the machine’s processor architecture (2)
uname -r Display the kernel version currently in use
dmidecode -q Display hardware system components – (SMBIOS / DMI)
hdparm -i /dev/hda List the architectural characteristics of a disk
h …
One of the daily tasks of a system administrator is upgrading services, applying patches, or adding some fancy new features. In early 2013, the latest MySQL 5.6 was released, aiming to deliver better performance and scalability. If you’re a bit interested, you can check out my article on how to Deb …
Recently, someone asked me: what language should a system administrator learn? If you’re a Windows sysadmin, the answer is simple: learn PowerShell. If you’re a Unix/Linux sysadmin, the answer gets more complicated, because there are more choices. I don’t want to start a “language war,” and …
