& Nbsp; first, clarify a problem: 1. the time on the embedded system board is viewed using the date standard system command, and the date is the SHELL command, such as busybox or sash on uClinux. This time is maintained by running embedded LINUX
& Nbsp; in the original Linux kernel version, the bootsplash function is not available, that is, the startup progress bar and the background image of the console. It must be patched for implementation. Official website: http://www.bootsplash.org,
& Nbsp; when you perform iptables rules for the first time from remote putty to a linux host, follow these steps to avoid the trouble of remote disconnection and remote linux host login. 1. clear the original filter rules. [root @ linux ~] #
Since malloc/free is a library function, not an operator, they cannot execute constructor and Destructor, but are only responsible for allocating memory. 1. malloc and free are standard library functions of C ++/C, and new/delete are operators of C +
& Nbsp; 1. enter a command that is not recognized by the system (for example, # ig) to obtain the system prompts aix5.3:/# igksh: ig: notfound.2, # echo $0 (applicable: sh/ksh) aix5.3: // # echo $0-ksh3, # echo $ SHELL (the user's default Shell, but
& Nbsp; three commands: (1) ifeq: contains two parameters separated by commas and enclosed in parentheses. There must be a space (2) else (3) endif: end condition statement between ifeq and left parentheses. Example 1:
& Nbsp; 1. from the Fedora-9-i686-Live.iso, the LiveOS directory is stored under D:, and vmlinuz0 and initrd0.img are stored in LiveOS. modify C: ootgrubmenu. lst file, add: titleFedora9LiveCD # find -- set-root/LiveOS/vmlinuz0ro
1. decompress the
& Nbsp; customized Tomcat instances can be implemented in Linux. If multiple developers need to share the installed tomcat, but they need their own unique instances, it is very useful. To achieve this, set CATALINA_BASE.exportCATALINA_BASE $
& Nbsp; the following error occurs when initramfs cannot find/root/host or 437 or VFS: 1. if root. disk is on the fat32 partition, so the kernel option should include fat-related and font 437 into the kernel, and select Y. 2. if you have installed
On July 15, May 21, local time, Redhat released the second updated version of RedhatEnterpriseLinux5. Compared with the previous version, rhel5.2 mainly fixes some bugs, upgrades the hardware compatibility, improves the quality, and introduces some
& Nbsp; The Linux server is configured as an NFS server. it mainly modifies the file/etc/export1 and nfs sharing from linux to linux: # mount-tnfsip: /share/test2, nfs sharing from the AIX end to linux: # nfso-onfs_use_reserved_ports1 # mountIP:/sha
& Nbsp; fedoa has been used for so long, and it is getting slower and slower for windows. Although server is used, I know the main cause is the garbage Kingsoft, but I still think windows is slow. However, fedora is also bloated. compared with the
& Nbsp; there are multiple ways to use a tape drive in Linux, mainly through software such as Amanda and Tar. Amanda provides the remote centralized backup function, which enables remote centralized storage and backup by setting the client and
& Nbsp; download the platform815_linux32.bin installation file and install it under the root user. In fact, we should create a bea user and group for security purposes. it is better to install it under it. 1. install platform815_linux32.bin to add
& Nbsp; it is very easy to install Tomcat5.5. extract the downloaded package and put it in the corresponding directory. Then, set the following in the Linux environment: JAVA_HOME, CATALINA_HOME, and other environment variables are executed in the
& Nbsp; a large number of photos are often reduced to facilitate online transmission or storage. The following describes a simple way to change a large number of photos to the specified size find./-name *. jpg-execconvert-resize600x480 {}{}; pay
& Nbsp; the network communication program in Linux must deal with a structure, which is socketaddress. For example, functions such as bind and connect must use the socketaddress structure. To understand the socketaddress, we must understand that in
& Nbsp; 1. uname-r view the current Linux kernel version. [root @ localhostDesktop] # uname-r2.6.18-53.1.19.el52. go to ghost
1. view the current Linux kernel version by uname-r.[Root @ localhost Desktop] # uname-r2.6.18-53.1.19.el52. go to
& Nbsp; 1. install the tool on the official VirtualBox homepage http://www.virtualbox.org/download virtualbox-1.6.0_30421_fedora9-1.i586.rpmto install the tool. Some warnings may appear during the installation process, because you have not installed
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service