The role of the resident process under Linux can not be ignored, but the problem can not be ignored, how to start the process, how to end the process, how to restart the process after the process is designed to be reasonable. Let's look at a
1, what is the environment variableAfter the user has successfully logged in, the shell is started, and some variables related to the user's working environment are defined2, view the Linux environment variables can use the command: envThe common
Shell Getting Started Tutorial: Shell variablesShell Getting Started Tutorial: Special variables in the shellShell Getting Started Tutorial: Shell's basic structureShell Getting Started Tutorial: Command replace $ () and 'Shell Getting Started
"Sigprocmask system call"Function Description: Sets the processing mode of the signal in the signal shielding set (blocking or not blocking).Usage:#include int sigprocmask (int how, const sigset_t *set, sigset_t *oldset);Parameters:How: Used to
Querying the Linux kernel version#uname-R#uname-AQuerying Linux system releases#cat/etc/redhat_releaseQuery the specific version number of Linux#cat/proc/versionLinux Terminal clear command:#clearTo start or close the FTP service#service vsftpd
Linux next join commandRecently new online algorithm, intends to analyze the beginning of the book click-through rate fluctuations, the original process has a daily rate of each book's CTR data (file). Previously this was written code for different
The Helib library is written on the basis of the NTL library, so the NTL library must be compiled before the Helib library can be used successfully:http://www.shoup.net/ntl/--links to NTL libraryHttps://github.com/shaih/HElib--links to Helib library1
Environment centos6.6 in VM virtual machinesInstalling Dhcp:yum Install DHCPAfter the installation is complete, you can open the DHCP configuration file:/etc/dhcp/dhcpd.confThe configuration file is empty, but there is a partial hintAt this point
Add a new group to the user User1 group1Usermod-g group1 #给当前登录用户所在组设置为 group1Note: The above command has a problem to know, this operation is to reset the user group, that is, the current user will leave the original group, and then add to the
Linux Root is Superuser, once the root password is forgotten or stolen, is a very headache, there will be a great danger so how to get back the root password? Summarized as follows:(a) Linux system password cracking1. In Grub Option Menu Press E to
1. See if the service is runningPs-aux | grep cron2. New Scheduling taskThere are two ways to add a dispatch task:1), at the command line input: CRONTAB-E and then add the corresponding task, Wq save the disk to exit.2), directly edit
http://blog.csdn.net/pipisorry/article/details/41369821Installed Linux, and then use a USB stick to install Win7 (network installation should also),First in the Linux inside to make a win7 installation USB drive (under Windows with UltraISO
Build TinyOS on Fedora10 and build tinyos on fedora10
Recently I have been studying wireless sensor networks, So I installed a Fedora10 Virtual Machine in VirtualBox and built a software environment for the TinyOS operating system in this Fedora10.
In FTP passive mode, the server opens limited ports, and the ftp server
Many servers have established FTP services. FTP services have two connection modes: Active Mode and passive mode. For details about the two modes, refer to this article: Review
View NIC Driver and version information in LinuxView NIC Driver and version information in Linux
View basic information: lspci
View Details: lspci-vvv #3 lower-case v
View Nic information: lspci | grep EthernetView NIC Driver
View the NIC driver
View and modify the machine name in Linux
We often need to copy virtual machines in VMWare. For new machines to be copied, we need to modify the machine name. Otherwise, there will be conflicts in the same LAN, the following describes how to view
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