Linux

Backup and recovery of iptables rules in Ubuntu requires that iptables rules be automatically loaded when the Ubuntu server is restarted. The method is as follows: first, save iptables rules to a file # sudo iptables-save>/etc/iptables. up. rules

The file cannot be deleted: 0X80070570 solution: copy the file in linux today. The hard disk is forcibly unplugged because of an emergency! As a result, the folder cannot be deleted. When you try Ultral, the error code 0X80070570 is obtained, which

An effective solution to ssh connection timeout (ssh usedns option): When logging on to the server via ssh, you always have to wait for a moment before connecting, this is because the OpenSSH server has a DNS search option, UseDNS is enabled by

1. the most basic compilation source code, and then install. the/configure [options] make www.2cto.com make install file extension is generally: tar.gz tar.bz2 2.RPM[ install the compiled software Package RPM [Redhat Package Manager] redhat Package

There are many file sharing methods (ftp, smba, and NFS) between Linux servers. Here we will introduce the nfs file sharing methods and implementation methods in Linux. Www.2cto.com 1. You must first enable the portmap and nfs services. Service

Problem description:Today, all users except root cannot start startx, and the following error occurs: Java code Fatal server error: PAM authentication failed, cannot start X server. Perhaps you do not have console ownership? When reporting a problem

For ubuntu ibus input method, skype cannot enter Chinese. After unbuntu11.10 is installed, it is found that Chinese characters cannot be entered in skype. I have never paid much attention to it before. Today, I just settled www.2cto.com. Similarly,

Run the command line to check and fix the bad track in ubuntu. 02 1: Check the bad track 03. You must detach it before operating the disk ~ The 04umount parameter is as follows: www.2cto.com 05-a unload all file systems recorded in/etc/mtab. 06-h

Linux file organization-chaotic order in linux, everything is regarded as a file, whether it is a directory or a device. Therefore, if you want to be familiar with Linux, you must have a certain understanding of the nature and organizational

Linux vmstat command details the mstat command is used to obtain information about processes, virtual storage, page swap space, and CPU activity. This information reflects the system load. Output item category project description the number of tasks

In ubuntu, the first method is to open the terminal (of course, the stupid method) in turn (Application-attachment-terminal). If you are idle, you can directly add it to the Panel, this is also convenient! The second type is www.2cto.com. press Alt

Linux partition tool [root @ localhost gxlinux] # df-Th # view the size and format of the mounted file partition (of course, your system must have free space) file System Type capacity used available % mount point/dev/sda1 ext3 2.9G 2.2G 505 M 82% //

  Install wine. Create an ADSL connection, enter the firewall, and check PPP + on the trusted interface. Go to the Super Terminal, cd ~ /. Wine Ls Cd wine Ls Cd drive_c Cd Program Files Cd PPOE CLient Ls Wine ishare. exe Enter the network and

  1. Return the hard disk partition to Windows Use PQ to delete the Linux partition and create a new Windows partition. You can use the partition lattice FAT32 or NTFS windows! Fdisk/mbr rebuilding Master Boot records I used to do this. I started

After three installation times, I finally sorted out my own installation documents based on the official website: 1. install the software to use1. freebsd2. php + mysql3. ExtMan-> Web account management background4. courier-imap-> Courier-IMAP is a

Rm-rf mydir/* Delete the mydir directory */Cd mydir/* enter the mydir directory */Cd-/* Go back to the upper-level directory */Cd ~ /* Return to the root directory */Mv tools tool/* rename the tools directory to tool */Ln-s tool bac/* Create a

Zorin OS is a Ubuntu-based Linux release, especially designed for new Linux users. It has a graphical user interface similar to Windows and many application software similar to Windows. Zorin OS also comes with programs that allow users to run a lot

The purpose of this article is not to teach people to intrude into Linux servers, but to improve their own technologies and enhance the security awareness of network administrators. That's all! Careless network administrators should understand that

For security considerations during installation, you are prepared to place DocumentRoot in a single partition. Therefore, you have created a directory specifically for the logical partition:/Dmnr To mount the partition, set/etc/fstab: Code

* Process status TASK_RUNNING // runTASK_INTERRUPTIBLE // The process can receive OS signals.TASK_UNINTERRUPTIBLE // at this time, the process does not receive OS signals.TASK_ZOMBIE // process ends, resources are released, and process descriptor