Linux

Install Ubuntu 13.4 On the SD card (USB flash drive) and install Debian 6.07. After startup, a bunch of Unicode boxes are displayed. OpenSuse 12.4, no wifi support. Ubuntu 13.4 is the most easy-to-use and runs directly. The UI font looks good, such

Errors in modifying environment variables in linux cannot lead to system problems 1, because you are not careful about etc/environment (the specific situation is different. I changed it to '/etc/profile', the same below) cannot log on due to

Linux Kernel Parameter Adjustment indicates that all TCP/IP optimization parameters are in the/proc/sys/net/directory. For example, the following are some of the most important tuning parameters, followed by their meanings: 1./proc/sys/net/core/rmem_

Cron is a scheduled execution tool in linux.1. Cron is a built-in service of Linux. You can start, disable, and restart the service in the following ways:/Sbin/service crond start // start the service/Sbin/service crond stop // close the

In Centos 6, configure the pptpd service to set up a VPN because Google .com is frequently used to search for and watch Youtube videos. In addition, there are many friends on Facebook, therefore, I bought zen VPS in the United States to build the

Problems encountered during varnish usage1: Install varnish3. Varnish2 and varnish3 have different parameters! Varnish2.x and varnish3.x have different compilation parameters!Execute autogen. sh first, and an error is returned!Solution:It prompts

Linux logout user [root @ www ~] # W22: 30: 49 up :43, 2 users, load average: 0.00, 0.00, 0.00 user tty from login @ idle jcpu pcpu WHATroot pts/0 218.28.46.146 12.00 s 0.03 s 0.03 s-bashroot pts/1 218.28.46.146 0.00 s 0.02 s 0.00 s w [root @ www ~]

Install ubuntu in visual box. The problem is summarized in Chinese when installing Linux Ubuntu Server. After installation, many commands are displayed with garbled characters, now, you only need to switch to "en_US" and display it in English, which

Linux crontab does not execute troubleshooting Problem description: A crontab is configured on CentOS. If you want to execute it once a day, the configuration syntax is correct, but the program execution log cannot be found, so the program is not

Linux dynamic library configuration 1. Dynamic library configuration 1. modify the configuration # cat/etc/ld. so. conf include ld. so. conf. d /*. conf # cat/etc/ld. so. conf. d/mysql-x86_64.conf/usr/lib64/mysql # file/etc/ld. so. cache; ldconfig-p

Python code # output sorted result sort-o result. out video.txt # split the fields by ': 'sort-t:-r video.txt # test whether it has been sorted sort-c video.txt # sort by 2nd field sort-t: + 1 video.txt # sort 3rd field using ascii order sort-t: + 2

In linux, there is no graphical interface for obtaining files (the browser cannot be operated) and there is no local installation package. How can I install the software? Use wgethttp: // pkgs.repoforge.org/rpmforge-release/ my environment linux

After the LINUX firewall is enabled, ftp pasv cannot log on to the linux Server normally. If the firewall is enabled, add port 21 to the firewall configuration file. The FTP server can access the port, but pasv cannot. The client is usually

Ubuntu sets the dynamic or static IP address of the NIC Ubuntu 10.10. The nic of the vmwarevm uses NAT. By default, the IP address is automatically obtained by DHCP. but if port forwarding/ ing is required, the IP address must be fixed. In the VM: 1,

Ubuntu DNS installation and configuration install sudo apt-get install bind9 Modify/etc/bind/named. conf. local sudo vi/etc/bind/named. conf. add the following content to the local file (replace domainname with the desired domainname), zone

In the LINUX background, you can always run a program using the nohup command to make the Linux program always run Unix/Linux in the background and generally want to run a program in the background, many of them use & to make the program run

How to Use the add command of svn in Linux This section will help you learn some of the content of the SVN sub-command add. After a long time learning the SVN sub-command, I will share some of my experiences with you here, after reading this article,

Tcpdump is a powerful protocol layer analysis tool in linux. It can be used to monitor network communication and locate network-related bugs. For example: whether a connection is created between the client and the server, the client sends a message,

Strace commands in Linux are commonly used to track system calls and received signals during process execution. In the Linux World, processes cannot directly access hardware devices. When a process needs to access hardware devices (such as reading

An example of suse kernel BUG: update_group_power: cpu_power Introduction: Recently, five business servers have been down for three days. The reason is that the suse11sp1 kernel bug. System error message: system messages log error: Jun 10 14:00:07