Cloud Applications

Today, there is a simple demand for a batch of PNG image files. the image name is xxx@2x.png, where xxx is a variable part. Now, rename all xxx@2x.png images to xxx.png and change the size to 50%. This involves two problems: Batch renaming and batch

When you use vi or vim to edit folder encryption, you should use wq or: x to exit when saving the disk, but sometimes you may accidentally Press: X. In this case, the system will prompt: enterencryptionkey: If you have not carefully read the prompt,

Linux processes have been running for a long time. in addition to reading/proc information, how can we get the number of all threads of a process and their startup time. Psmax-olstart, lwp, pid, nlwp, cmdlstartSTARTEDtimethe...   Linux processes

Only operations on one machine are listed. From rac01-ud-us-eqx to rac02-ud-us-eqx and rac03-ud-us-eqxbash-3.00 $ ssh10.12.32.182Theauthenticityofhost & amp; #39; 10.12.32.182 (10.12.32.182) & amp; #39; can & amp ;#   Only operations on one machine

A) purpose: achieve sharing between LINUX and WINDOWS. B) connected network: 1. select setup, network,: 2. view the network of the local computer: Run, cmd, ipconfig3. disable the computer firewall 4. configure the linux network. start the network

1. download memcached and libevent to the/tmp Directory: # cd/tmp # sudowgethttp: // container /~ Provos/libevent-   1. download memcached and libevent respectively and put them in the/tmp Directory: # Cd/tmp # Sudo wget

DEB and redhat RPM of Debian are convenient software installation packages in Linux. Alien can be used to convert the two. 1. install alien in Ubuntu. alien has been added to the source. you can use sudoapt-getinstallalien to install alien. 2 ,...  

Chapter 1 enable root users: sudopasswdroot2. log out of linux and log on as a root user. 3. create a working directory under home. 4. install ftp to open ubuntu Software Center. select Internet to select file sharing. select FileZila to install and

Shortly after the end of CentOS, many things were unfamiliar and had to be trained one by one. this time, a compilation system was installed. here we will record the simple steps to avoid forgetting them. My requirements are very simple. I can

Basic idea: enable IP forwarding and set iptables rules. 2. 1. enable IP forwarding in either of the following ways: echo & quot; 1 & quot; & gt;/proc/sys/net/ipv4/ip_forward fixed: modify/etc/sysctl. conf to cancel the annotation of this line: net.

1. SHELL local variables: local variables act only in this SHELL, just like local variables. It does not affect variables in other shells. Format: NAMEvalue1, variable call: Add $ echo $ HOME/home/hbwork $ WEEKSatur $ echoToday before the variable ..

RedhatAS4 is used as an example. When the disk partition is not found enough, the first way you can think of is to increase the partition size. However, if Linux does not use logical volume management, it is very difficult to dynamically increase

Local debugging with Parameters start gdb -- args./programarg1arg2arg3 after the main () breakpoint breakmain starts, set parameters run runarg1arg2arg3 cancel parameters start running setargsrun set parameters setargsarg1arg2arg3run analysis co...

Recently, I wanted to create a Web site for my team. I originally wanted to use Apache. later I thought that nginx is now popular. let's take a look at nginx. Http://nginx.org/click downloadto Download Windows. I will download version 1.1.14. the

Cause: first, the garbled problem between JFreeChart and the Chinese verification code is irrelevant to the jsp code, because the Java virtual machine cannot find the font file, therefore, similar Chinese garbled characters of Swing or AWT are also

$ Kill-l1) quit) SIGINT3) SIGQUIT4) SIGILL5) SIGTRAP6) SIGABRT7) SIGBUS8) quit) SIGKILL10) quit) SIGSEGV12) SIGUSR213) quit) SIGALRM15) SIGT... $ kill-l 1) SIGHUP 2) SIGINT 3) SIGQUIT 4) SIGILL 5) SIGTRAP 6) SIGABRT 7) SIGBUS 8) SIGFPE 9) SIGKILL 10)

I am very entangled in the cloning and mirroring technologies of the aix system. I have read many documents and summarized them. Please criticize and correct them. Image: The same data as the source data, and synchronously update and clone the

Generally, there are not many built-in macro packages for software such as texlive installed in Linux, and many macro packages have been installed several years ago, in this way, it is often possible to compile the tex files on the Internet in the

In fact, all Chinese garbled characters are caused by different codes. To enable eclipse to display Chinese characters normally, you need to modify its character encoding steps as follows: 1. click Window in the menu bar, select Preferences2, and

Objective: to install tomcat on a server to implement multiple applications: Modify $ atat_home/conf/server. xml content: & lt; Serverport & quot; 8005 & quot; shutdown & quot; SHUTDOWN & quot; debug & quot; 0 & quot; & gt; & lt; Listenerclass