Linux

1. Get the codelite Public Key Sudo apt-key adv -- fetch-keys http://repos.codelite.org/CodeLite.asc 2. view your system information Sudo lsb_release- For example: Distributor ID: Ubuntu Description: Ubuntu 12.04.2 LTS Release: 12.04 Codename:

When you want to view specific characters in the text, we often use GREP, SED, and AWK. Today we will learn about the basic usage of the text filtering tools GREP and SED in Linux: Regular Expression:Definition:It is a set of characters or special

During Linux system maintenance, text files are often searched. For example, if the web server is often delayed or has some parameter errors. 1. Consider bandwidth issues 2. Consider my configuration file: For example, if the parameter or delay is

When using linux, sometimes we want to send emails to friends or colleagues. Can we send them directly through the command line? How can I use a script to send an email to an external mailbox if I want to monitor the website or system status through

Install the UP-CUP S2440 product CD environment: Execute the command to mount the optical drive disk to the local/mnt directory mount/dev/cdrom/mnt If the system does not recognize/dev/cdrom, mount-t iso9660/dev/hdb/mnt can be used.   Copy the CD

Delete Files N days ago in Linux Find/opt/Oracle/admin/CCXE/bdump/-mtime + 10-name "*. *"-exec rm-Rf {}\; /Opt/Oracle/admin/CCXE/bdump/: any directory to be cleaned -Mtime: Standard statement writing + 10: Search for files 10 days ago. Here, the

I. dd command Dd: Use a block of the specified size to copy an object and perform the specified conversion at the same time. Note: If the following column ends with a specified number, multiply it by the corresponding number: B = 512; c = 1; k = 1024

1. What is the build in command: Shell built-in commands refer to commands in the bash (or other versions) tool set. Generally, there is a system command with the same name. For example, the echo command in bash and/bin/echo are two different

After using UNetbootin to create a boot USB flash drive for Debian 7.0, the system reported the following error: Failed to load libutil. c32Failed to load COM32 file menu. c32 The reason is that when UNetbootin installs the Syslinux boot loader to

You can use the sudo chmod-R 777/usr command to modify the owner of the usr file. As a result, the sudo: must be setuid root problem occurs, that is, the sudo command cannot be used. The methods described on the Internet are almost the same. The

Resin is a very popular application server. It provides excellent support for servlet and JSP and has excellent performance. resin is developed in Java language. Resin Pro supports cache and Server Load balancer, and charges a minimum of $699 USD

The most important thing is the Git to be updated. The git version installed on Ubuntu 12.04 through apt-get install is too low. Therefore, it can only be installed through source code. Follow these steps: Wget git-core.googlecode.com/files/git-1.

Samba (SMB) is used for file sharing between Linux and Windows, or for file sharing between Linux (NFS is recommended for file sharing between Linux ). Similar to the FTP service and the file sharing Function in Windows. In Linux, Samba is used to

First, people often think that installing the operating system is to install an optical drive on a computer drive, and then press the next step until the computer restarts to complete the installation, or install it through an advanced USB flash

When you use pip to install gevent in Mac OS X, the following error occurs: Fatal error: 'event. H' file not found This is because gevent is built on the libevent library. You must first install libevent, which provides the event. h header file.

Ubuntu 13.04 Web development from Zero Configuration to full equipment note (Environment Building Guide) 1. Set a password for the root user Sudopasswd root, enter the password. 2. Switch to root to install the software. Suroot 3. installation: Note:

Let's take a look at how to configure the Android4.0.3 development environment in Linux (Ubuntu 11.10 ). If you install AndroidSDK first, go to the decompressed path and run the android api version of./android upgrade under the tools directory.

I. hardware environment Solaris10u9 installed in VM VirtualBox Ii. Experiment steps 1. Find the corresponding system in VM VirtualBox, right-click and select "Storage", right-click "Controller: SATA"-> "add virtual hard disk"-> "Create a new virtual

As we all know, for Linux File Permissions such as 777 and 666, as long as the UID permission is added to the corresponding file, you can use the identity of the person with the permission to run the file. So we only need to copy bash to another

Remember what is the "process descriptor" assigned to a process when a process was created? That's right. It's an slab distributor. So, what is this slab distributor? Allocating and releasing data structures is one of the most common operations in