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Linux. o ,. so ,. a ,. the file type in Linux does not depend on its suffix, but generally speaking :. o is the target file, which is equivalent. obj file. so is a shared library, which is called mongodobject and used for dynamic connection. it is

In linux, SQL Plus is used to execute SQL scripts with Chinese garbled characters to process sqlplus in a group of servers. When SQL scripts are updated regularly, Chinese garbled characters are displayed. At the beginning, I found the wrong problem

Linux boot fix and boot item modification linux boot fix: I believe all the friends who have installed Ubuntu9.10 have LiveCD installation discs. today we will use Ubuntu9.10 LiveCD to fix grub2 boot. Start the Ubuntu9.10 disc and select LiveCD mode

Solution & quot; update needs to spend the total/boot space on the xM disk... & quot; problem system automatic upgrade will install multiple kernels, detach excess kernels to get more disk space root @ local-Lenovo-G470: /home/local # dpkg --

Using openssh to implement chroot to secure users who do not want to log on via SSH to browse the files in our system at will and only fix the activities in specified places. Environment: RedHatEnterpriseLinuxServerrelease6.2openssh requires a

Mounting SATA hard disks in linux # fdisk-lDisk/dev/uba: 500.1 GB, 500107862016bytes255heads, 63 sectors/track, running * 5128225280bytesDeviceBoo... Mounting SATA hard disks in linux # fdisk-lDisk/dev/uba: 500.1 GB, 500107862016 bytes255 heads, 63

View the processes that consume the most CPU and memory in linux. top 10 processes with the most CPU usage: psauxw | head-1; psauxw | sort-rn-k3 | head-102. top 10 processes with the most memory consumption psauxw | head-1; psauxw | sort-rn-k4 |

Ubuntulamp (apache + mysql + php) environment setup 1. environment installation 1. after installing the apache2sudoapt-getinstallapache2, open: http: // localhost/or http: // 127.0.0.1 in your browser if Itworks appears! Verify that apache is

Mini2440w35 create boot logo remove logo cursor step 1. create the. ppm file www.2cto.com. the default logo file is drivers/video/logo/logo_linux_clut224.ppm. therefore, create a new. ppm file and overwrite it. In general, the linux distributions

General methods for writing uboot/bootloader/kernel in an embedded system This article introduces the general methods for writing uboot/bootloader/kernel in an embedded system, and if uboot or kernel errors occur, how to re-run uboot/ker when the

The FTP server iptables configuration system: CentOS6.2 software: vsftpd. after iptables is installed, the default iptables rules only allow packets in the RELATED, ESTABILISHED status and SSHD status to enter the server, after vsftpd is installed,

Capturing the network package of a mobile phone is something that programmers often need to do. But the path to packet capture is not that smooth. Three tools are required for network packet capture on the mobile phone: 1.ADB: usually get from

The Linux test tool tcpdump command is used to monitor TCP/IP connections and directly read data headers at the data link layer. You can specify which data packets are monitored and which control formats are to be displayed. For example, we want to

Three tables are created: natmangle and filterfilter preset rule tables, there are three rule chains: INPUT, FORWARD, and OUTPUT. INPUT enters the FORWARD forwarding OUTPUT and goes out. ACCEPT releases the REJECT to block the packet. DROP the

1. you can use ~ $ Netstat-anp to check which ports are opened. (Note: adding parameter-n will convert the application to Port display, that is, address in digital format, such as: nfs-2049, ftp-21, so you can enable two terminals, 1 corresponds to

Please try it out. thank you for the Filter table: Filter data packets, default table. (1) INPUT chain: filter all data packets whose destination address is local (filter incoming data packets) (2) OUTPUT chain: filter all data packets generated by

Etc/fstab description:/dev/hdbx is the partition in windows to be mounted. Note that my partition is hdb, you may also be using hda, where/mnt/winx is the directory to be mounted. here I will use it to Mount CDE disks for windows respectively. Vfat

In the past few years, Linux has grown significantly as a firewall platform. Since ipfwadm of the earlier version 1.2 kernel, the Linux firewall code has gone a long way. The netfilter system is used in the 2.4 Linux kernel. In the latest version 2.4

Recently, the next 1 TB hard disk has been removed from the server, but it does not work well on the server. Therefore, you must first check whether the hard disk has bad channels. The disk utility provided by ubuntu is a very intuitive tool for

Network Communication commands, system shutdown, shell application tips for Linux Study Notes 1. network communication commands www.2cto. com1. send a message to an individual. this person must write the online status user name. 2. send the message