Article Tags
Article Tags
How to Set System Time and Date in Linux? (timedatectl examples)
timedatectlisthemodern,unifiedtoolformanagingtimeonsystemdsystems.Ithandlestimezone,NTPsync,hardwareclock,andmanualtimesettings—usetimedatectlstatus,set-timezone,set-time(afterdisablingNTP),andset-ntp.
Dec 31, 2025 am 06:15 AM
How to run your first Docker container on Linux? (Hello World Example)
There are only three steps to successfully run the first Docker container: install Docker and start the service, add the user to the docker group, and execute dockerrunhello-world to output "HellofromDocker!".
Dec 31, 2025 am 12:26 AM
How to set up IP forwarding on a Linux system? (sysctl Configuration)
To enable IP forwarding, you need to set net.ipv4.ip_forward=1 (IPv4) or net.ipv6.conf.all.forwarding=1 (IPv6). For temporary effect, use sysctl-w. For persistence, you need to write /etc/sysctl.conf and run sysctl --system. Firewall rules and routing must also be configured.
Dec 30, 2025 am 02:19 AM
What is the difference between apt and apt-get in Linux?
aptisamodern,user-friendlytooldesignedforinteractiveusewithbettervisuals,whileapt-getremainspreferredforscriptingduetoitsstableoutput;bothusethesamebackendandhandlepackagesidentically,butdifferininterfaceandintendedusecase.
Dec 30, 2025 am 01:25 AM
How to Troubleshoot Network Connectivity in Linux? (ping & traceroute)
First use ping to check the connectivity: If localhost succeeds, the local stack is normal. If the gateway fails, check the physical connection or routing. If the external IP fails, check the DNS. Then use traceroute to locate the interrupted node. The timeout point is the fault point.
Dec 29, 2025 am 12:47 AM
How to configure network interfaces in Linux from the command line? (ip Command)
Use the ip command to configure the Linux network interface: check the status with ipaddrshow, add and delete IPs with ipaddradd/del, start and stop the interface with iplinksetup/down, and set the gateway route with iprouteadd/del. All changes must be written to the system configuration file to invalidate the restart.
Dec 29, 2025 am 12:22 AM
How to Install Fail2Ban to Protect Your Linux Server? (Configuration Example)
Three-step method to install and configure Fail2Ban: first use apt to install and enable the service; then securely configure SSH protection through jail.local (enable, set maxretry=3, bantime=1h, findtime=10m, ignoreip including local IP); finally restart the test to avoid locking up due to direct changes to jail.conf or missing ignoreip.
Dec 28, 2025 am 02:34 AM
How to list all USB devices connected to Linux? (lsusb Command)
Use the lsusb command to list all USB devices in the Linux system. You can get a tree-like overview of the bus, device number, manufacturer ID, product ID and description without root privileges. Add the -v or -t option to view detailed information or physical connection topology. Use -d, grep, etc. to filter the search. Combining -v with grep can also identify bound drivers.
Dec 28, 2025 am 12:23 AM
How to Search for Text Within Files in Linux Using grep? (Regex Examples)
Usegrepwithflagslike-i(case-insensitive),-n(linenumbers),-r(recursive),-w(wholeword),-E(extendedregex),-o(onlymatchingpart),-v(invert),and-c(count)toefficientlysearchtextinfileswithoutGUItools.
Dec 27, 2025 am 04:19 AM
How to Use the rsync Command to Sync Files in Linux? (Examples Included)
rsync is a command-line tool for efficiently synchronizing files and directories. It only transmits differences and supports compression, SSH encryption and fine control. Common options include -a (archive), -v (verbose output), -z (compression), --delete (delete redundant files) and --dry-run (simulate run).
Dec 27, 2025 am 03:11 AM
How to Secure Your SSH Server on Linux? (Best Practices Guide)
SSH security hardening needs to focus on four aspects: authentication, access control, encryption, and monitoring: enable key authentication, disable password login, restrict users/IPs and modify default ports, configure strong encryption algorithms and protocol v2, and combine fail2ban and log monitoring to defend against attacks.
Dec 26, 2025 am 04:46 AM
How to change a user's password in Linux? (passwd Command)
UsethepasswdcommandtochangepasswordssecurelyinLinux:runpasswdforyourownpassword(requirescurrentpassword),orsudopasswdusernameforothers(nocurrentpasswordneeded);rootcanlock/unlockaccountswith-l/-u,forceresetonnextloginwith-e,andcheckexpiryviachage-l.
Dec 26, 2025 am 04:40 AM
How to find the IP address of a Linux server? (ifconfig and ip addr)
It is recommended to use the ipaddr command to check the Linux server IP address. ip-4addr displays the IPv4 address, and the number after inet is the IP; ifconfig has been deprecated. If you want to use it, you must first install the net-tools tool package.
Dec 25, 2025 am 01:21 AM
How to Read a File Line by Line in a Linux Bash Script? (Code Snippet)
Files in Linux Bash scripts can be read line by line using the whileread loop. This method is reliable, can handle spaces correctly, and supports standard input or redirected files; the basic usage is: whileIFS=read-rline;doecho "$line";done.
Dec 25, 2025 am 12:49 AM
Hot tools Tags
Undress AI Tool
Undress images for free
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undresser.AI Undress
AI-powered app for creating realistic nude photos
ArtGPT
AI image generator for creative art from text prompts.
Stock Market GPT
AI powered investment research for smarter decisions
Hot Article
Popular tool
vc9-vc14 (32+64 bit) runtime library collection (link below)
Download the collection of runtime libraries required for phpStudy installation
VC9 32-bit
VC9 32-bit phpstudy integrated installation environment runtime library
PHP programmer toolbox full version
Programmer Toolbox v1.0 PHP Integrated Environment
VC11 32-bit
VC11 32-bit phpstudy integrated installation environment runtime library
SublimeText3 Chinese version
Chinese version, very easy to use
Hot Topics
20416
7
13574
4