essential system administration

Qiangzhi educational administration system kills Getshell (Elevation of Privilege server Intranet penetration) File: unzip GL \ jcxx \ savetofile. asp Use exp: Directly use exp.html to upload any file. The server has almost the sa permission, and the elevation of permission is complete. Configuration file: Conn \ connstring. asp Server Self-carried Serv-U Exec> Elevation of Privilege. As you can see

):if not "through" inchTable.cell (i,6). Value:tcredit= Float (Table.cell (i,4). Value) Tmp1+=Tcredit Tgrade= Float (Table.cell (i,6). Value)ifTgradeinchRange (90,101): Tmp2+ =TcreditelifTgradeinchRange (85,90): Tmp2+ = 3.7 *TcreditelifTgradeinchRange (82,84): Tmp2+ = 3.3 *TcreditelifTgradeinchRange (78,82): Tmp2+ = 3.0 *TcreditelifTgradeinchRange (75,78): Tmp2+ = 2.7 *TcreditelifTgradeinchRange (71,75): Tmp2+ = 2.3 *TcreditelifTgradeinchRange (66,71): Tmp2+ = 2.0 *TcreditelifTgradeinchRange (6

DCS--distribution control system decentralized controls, plant control level systems, conventional data acquisition, device controlThis system is completed.Sis--safty Instruments System Security instrumentation systems, interlock system, generally do the plant process equipment safety protection control, sometimes also

The Win7 system cannot choose to log in to the administration account when logging in, because the account is closed by default, so how can we choose to log in with the administration account when we log in, so that we have all the privileges. 1 Click Start, enter Lusrmgr.msc in the search box, enter the local user and group 2 Find the

also useful when creating a RAM disk.Module classLsmodDegree of importance: MediumLists all installed kernel modules.InsmodDegree of importance: MediumForce the installation of a kernel module (instead of using modprobe if possible) must be called as root.RmmodDegree of importance: MediumForces the uninstallation of a kernel module. Must be called as root.ModprobeDegree of importance: MediumThe module loader, in general, is automatically called in the startup script. Must be called as root.Depm

Linux File System administration commandsCommon Commands1. DF command to view the usage of the partitionCommon options-H More Humane-m displays partition usage in megabytesDisplay information:Mounted on: Mount pointFilesystem: The specific hardware name that corresponds to2, du command to view the file/directory size, by default in K unitsCommon options:-H "Humanity"Du-h/home/xiaofang-S "Statistic statistic

Some basic commands for system administration commandsAPMD Advanced Power Management (APMD command is responsible for BIOS Advanced Power Management (APM) related records, warnings, and administrative work)APMD "Options" "percent change" "percent value"-P "percent change" when the magnitude of the power change exceeds the set percentage change, the event is logged-U sets the BIOS clock to UTC-V Logs all APM

example: useradd-d/home/bird bird2 ---bird2 is the account name,/home/Bird is the main directory of Bird2 -the general user of the system's main directory is generally built in/home/this pathpasswd Set User password -- in Linux, Superuser can use the passwd command to set or modify the user's password for a normal user. Users can also use the command directly to modify their own passwords without having to use the user name after the command. --passwd [parameter] user nameuserdel Delete Use

systems on nodes and disk blocks. Options meaning -A Show disk usage for all file systems -M Display in 1024-byte units -T Displays disk space usage for each specified file system -T Display file system Detecting the disk space occupied by the catalog: DuThe du command is used to count th

: Modify which NIC to follow which, only one can be omitted) x.x.x.x/y (M.M.M.M)//modify IP information; x:ip address, Y: Mask length, M: mask. such as =225.225.255.0Shutdown-h now or Poweroff or init 0//shutdown operation.Shutdown-r now or reboot or init 6//restart operation.Shutdown-r +15 ' The system would be rebboted!! '//Send a notification to each user who is currently logged on to the Linux host ' the syste