How to change the hostname of Linux cloud server

To make Linux processes run in real-time FIFO scheduling, you need to use the chrt command or sched_setscheduler system call to set the scheduling policy and priority, such as sudochrt-f99./app or configure SCHED_FIFO and priority parameters in the C program, and ensure that the process has CAP_SYS_NICE capability or root permissions, and configure rtprio and memlock restrictions through limits.conf to ensure real-timeness and avoid priority reversal. You need to use a mutex that supports priority inheritance.

The official download portal of Aisi Assistant is located on the official website https://www.i4.cn/, and provides computer and mobile downloads, supporting device management, application installation, mode switching, screen projection and file management functions.

Common methods for installing .deb packages include: using the dpkg command to install and use apt to repair dependencies; 2. It is recommended to use aptinstall./package_name.deb to automatically handle dependencies; 3. You can double-click the file to install through the software center in a graphical way; 4. After installation, you can use dpkg-l or dpkg-s to check the package status.

TorunWindowsprogramsonLinux,trythesemethods:1.UseWinetodirectlyrun.exefiles.2.InstallPlayOnLinuxforeasierWinemanagement.3.SetupaWindowsvirtualmachinewithVirtualBox.4.UseLutristoinstallandrunWindowsgamesseamlessly.

The latest news on September 18th, Huawei HarmonyOS6 has launched multiple rounds of preview version push for developers, and has recently opened the experience qualification to some users who have tried it out for the first time. According to user feedback, the current system name no longer displays the "NEXT" suffix, and it is officially renamed to HarmonyOS6.0. Huawei initially proposed the name HarmonyOSNEXT for the first time at the developer conference in August 2023, aiming to mark the Hongmeng system entering a new stage of development and realizing true native self-development. HarmonyOSNEXT's most core breakthrough is to completely adopt the underlying system architecture developed independently, completely remove the Linux kernel and Android AOSP code, and only run applications based on the HarmonyOS kernel.

Create user with adduser or useradd, 2. Modify user with usermod, 3. Delete user with deluser or userdel, 4. Create group with groupadd, 5. Add user to group with usermod-aG, 6. Remove user with gpasswd-d from group, 7. Delete group with groupdel, 8. View information with whoami, groups, getent and other commands, 9. Follow best practices such as avoiding direct use of root, regularly cleaning accounts, setting password policies, and reasonably allocating group permissions. By mastering these core commands and selecting appropriate tools according to the distribution, the management of Linux users and groups can be effectively realized.

TotakescreenshotsonLinux:1.UsePrtScnkeyforfullscreen,Alt PrtScnforactivewindow.2.UseGNOMEScreenshottoolformoreoptions.3.Usegnome-screenshotcommandinterminal.4.Installandusescrotforlightweightcommand-linecapturing.

Tolocateaprogram'sinstallationpathonLinux,use:1.whichprogram_nameforquickPATH-basedlookup.2.whereisprogram_nametofindbinaries,manpages,andsources.3.locatewithupdatedbandgrepforfastfilesearches.4.find/-typef-executable-name"program_name"fort