Foremost we can only recover deleted files in Linux, as long as they are not overwritten on the hard disk.Install firstto install foremost on CentOS, we will download and install the first RPM from the official website. Open the terminal and execute the following command$ sudo yum install https:///forensics.cert.org/centos/cert/7/x86_64//
According to Joey_Chan, a Weibo user @, UbuntuTouch will be released along with the scheduled release cycle of Ubuntu in October this year. However, it is not clear whether meizu's mobile phone with UbuntuTouch can be released in the same period. The following figure shows Joey_Chan from @ coding. You can get started quickly and look forward to the appearance of a real machine. xiaobian is very eager for UbuntuTouch: Start the graphic lock screen graphic lock dial interface.
According to Joey_Ch
you really want to delete the file-if you choose to confirm on this prompt, the file will be deleted. In this case, I am sorry, this technique cannot prevent your carelessness.To replace rm with the rm-I alias, do the following:alias rm='rm -i'Run the alias command to confirm that rm is now alias:Add an alias to rmHowever, this is only valid on the Current shell of the current user. To change permanently, you must save it to ~ as shown below ~ /. Bashrc (some versions of
choose to confirm on this prompt, the file will be deleted. In this case, I am sorry, this technique cannot prevent your carelessness.To replace rm with the rm-I alias, do the following:alias rm='rm -i'Run the alias command to confirm that rm is now alias:Add an alias to rmHowever, this is only valid on the Current shell of the current user. To change permanently, you must save it to ~ as shown below ~ /. Bashrc (some versions of Linux systems may be
development of the driver is also filled with driver structure, for the more mature platform, is to find a similar driver on the Internet to modify, even write ten thousand thousands of drivers, that is, some hardware relatively familiar, Meet the new chip brand new platform on the helpless. It should be said that the understanding of the drive is very limited. This is also the current situation in the field of Linux drive development.We first know a
Tags: socket source x86 INF location Architecture level pre compositionThe world is sad to end, the Octopus elder brother also retired, even the non-sincerity does not disturb in the worship diggers also suddenly a lot less. This "Linux kernel cultivation of the road" in excellence, when, China-pub has also been on sale, although serious literature, but in order to ensure fluency, most of the text I also are the words of the burning sentence, repeated
Interruption is a more difficult and important part of the Linux kernel. Understanding these things is the first and foremost step. The so-called difficulties and new knowledge, if fully understanding the principles, are at least equivalent to mastering 80%. This is the same for any knowledge. The so-called true understanding is to fully understand this thing, the reason for the introduction and how to intr
Linux services)It is important for Linux users. Disabling unnecessary services can make Linux run more efficiently, but not all Linux services can be disabled. After installing centos Linux today, we found that many services were started when
Linux-(2) Basic file operations in Linux, linux-linux
In linux, everything is files, directories are files, and hardware is files. Therefore, basic file operations are especially important.
1. List the contents of the directory:
Ls
Parameters:
-A: displays all files (includ
Logout Exit SystemGedit Text Editor ToolsUname–r View kernel version information, uname–a more detailsCat/proc/cpuinfo viewing CPUsCat/proc/meminfo Viewing memoryHostname Viewing host namesIfconfig eth0 view eth0 IP AddressAlias ls= ' ls–ll ' setting aliasesTo view the path of the current terminal: TTYView current Shell:echo $SHELLAll Shell:cat/etc/shells under the current systemView CentOS System hostname Format: Echo $PS 1Distinguish internal or external commands: Type CDWhich find the locatio
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As we all know,linux system everything is a file, so each process has its file descriptor, The Nginx process writes its own file descriptor to the Nginx.pid, and we need to tell Nginx to reopen a new log file (the configuration details of the log file can be seen here, simply by letting the log record what. So we need this directive:kill -USR1 `cat ${pid_path}`This instruction means: first cat to Nginx PID, is an integer, and then send the signal
Becoming a Senior Programmer proficient in Linux programming has always been the goal of many friends. According to statistics from chinacache, the monthly salary of Linux programmers in Beijing is 1.8 times that of Windows programmers, 2.6 times that of Java programmers, and 2.9 times that of Windows programmers. At the same time, the data shows that with the increase of work experience, the income gap bet
Linux and the Device TreeThe Linux usage model for device tree dataAuthor:grant likely [email protected]This article describes how to use device tree in Linux. The Device Tree data format can be obtained from the http://devicetree.org/Device_Tree_Usage.Device Tree is a language that describes hardware that allows the operating system not to hardcode hardware info
novice who has no knowledge of Linux, the first and foremost step is to choose a Linux distribution system that is right for you (personal advice is to use Linux desktop operating systems that are accustomed to windows, such as Ubuntu, OpenSUSE, Fedora, and so on). Installation of the
This article focuses on it developers, and is intended to clarify the unique advantages of Linux in terms of development (Linux version is more, the author uses Ubuntu14.04).1. WorryIf you often reload the system (for those who often tinker with the system or have a software freak), or occasionally need to come in one or two times. Then you must be able to appreciate the trouble of configuring the environme
, consider using shred.So theoretically the RM deleted files can still be recovered. Deleting a file is simply releasing the index point (information nodes) that points to the block, as long as it is not overwritten and the data is actually on the hard disk, the key is to find the index point and then grab the data in the data block it refers to and save it to another partition. After using RM to delete files, the first thing we need to do is to make sure that we no longer write data to the part
This series of articles summarizes Linux network stacks, including:(1) Linux Network protocol Stack Summary(2) Network multipart offload technology Gso/tso/ufo/lro/gro in non-virtualized Linux environment(3) QEMU/KVM Network multipart offload technology in virtualized Linux environment Gso/tso/ufo/lro/gro1.
1, what is Linux?
To be exact, the Linux kernel (the core program of the system), whose kernel copyright belongs to Linus Torvalds, is issued under the GPL (GNU general public License) Copyright Agreement, and anyone can copy (copy) and modify ( Change), package distribution (distribute), sales, but can not add any restrictions at the time of distribution, and all the original code must be public, so anyone
as follows: 1) VI mytask.sh Enter the following command Date>>/home/mydate3 Cp/home/mydate3/root 2) Grant mytask.sh Execute permission chmod 744 MYTASK.S H 3) Crontab-e 4) Re-enter the command: * * * * * */root/mytask.sh. (3) How to terminate a task crontab-r means to terminate a task schedule. After the command is executed, the tasks in the crontab-e are removed. CRONTAB-L indicates which task schedules are currently in the list.2, the Linux proces
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