linux 系统如何如何修改FTP用户密码？

修改ftp用户密码需要以root用户登录，执行passwd命令来修改指定用户密码，具体步骤如下：1，已root账户登录系统；[xuwangcheng14@root]# su rootroot@iZ25s5gp4vvZ:~#2，使用passwd命令修改密码；root@iZ25s5gp4vvZ:~# passwd ftp_usernameEnter new UNIX password: Retype new UNIX password: Sorry, passwords do not matchpasswd: Authentication token manipulation errorpasswd: password unchangedroot@iZ25s5gp4vvZ：~#输入两次密码后，提示修改成功。

ASP.NET中这个acceptchanges（)方法怎么理解？

可是我把ds.AcceptChanges（)；这句话注解掉，效果还是一样的，就是说qiuyuanUPDATE.xml表还是有“法布雷加斯”的资料（qiuyuan.xml表没有的）qiuyuanUPDATE.xml中的信息是由ds.WriteXml(Server.MapPath(＂qiuyuanUPDATE.xml＂)）； 来写入的那ds.AcceptChanges（)；放在这里到底什么用呢？当对 DataSet 调用 AcceptChanges 时，任何仍处于编辑模式的 DataRow 对象都将成功结束其编辑。

每个 DataRow 的 RowState 属性也会更改；Added 和 Modified 行变为 Unchanged，而 Deleted 行则被移除。

也就是执行数据库操作，改不改遍不是看qiuyuanUPDATE.xml中的信息而是数据库database=sample

Linux操作系统下Sudo命令的使用方法？

查看、修改或者执行某些命令需要root用户的权限，如果不想直接切换到root用户，就可以使用sudo命令。

sudo命令用于针对单个命令授予临时权限。

sudo仅在需要时授予用户权限，减少了用户因为错误执行命令损坏系统的可能性。

使用方法是在原有命令之前加上sudo+空格。

用法示例：以root用户的身份修改主机名为zhidao$ sudo hostname zhidao

Linux操作系统下Sudo命令的使用方法？

建议：在Linux系统下，右键打开终端后，可以输入＂man sudo＂或者＂info sudo＂查询，因为使用方法实在是太多，可以摘要如下，其他可以自己查看。

NAME sudo, sudoedit - execute a command as another userSYNOPSIS sudo -h | -K | -k | -L | -l | -V | -v sudo [-bEHPS] [-p prompt] [-u username|#uid] [VAR=value] {-i | -s | command} sudoedit [-S] [-p prompt] [-u username|#uid] file ...OPTIONS sudo accepts the following command line options: -b The -b (background) option tells sudo to run the given command in the background. Note that if you use the -b option you cannot use shell job control to manipulate the process. -E The -E (preserve environment) option will override the env_reset option in sudoers(5)). It is only available when either the matching command has the SETENV tag or the setenv option is set in sudoers(5). -e The -e (edit) option indicates that, instead of running a command, the user wishes to edit one or more files. In lieu of a command, the string ＂sudoedit＂ is used when consulting the sudoers file. If the user is authorized by sudoers the following steps are taken: 1. Temporary copies are made of the files to be edited with the owner set to the invoking user. 2. The editor specified by the VISUAL or EDITOR environment vari- ables is run to edit the temporary files. If neither VISUAL nor EDITOR are set, the program listed in the editor sudoers variable is used. 3. If they have been modified, the temporary files are copied back to their original location and the temporary versions are removed. If the specified file does not exist, it will be created. Note that unlike most commands run by sudo, the editor is run with the invoking user's environment unmodified. If, for some reason, sudo is unable to update a file with its edited version, the user will receive a warning and the edited copy will remain in a temporary file. -H The -H (HOME) option sets the HOME environment variable to the homedir of the target user (root by default) as specified in passwd(5). By default, sudo does not modify HOME (see set_home and always_set_home in sudoers(5)). -h The -h (help) option causes sudo to print a usage message and exit. -i The -i (simulate initial login) option runs the shell specified in the passwd(5) entry of the user that the command is being run as. The command name argument given to the shell begins with a '-' to tell the shell to run as a login shell. sudo attempts to change to that user's home directory before running the shell. It also ini- tializes the environment, leaving TERM unchanged, setting HOME, SHELL, USER, LOGNAME, and PATH, and unsetting all other environment variables. Note that because the shell to use is determined before the sudoers file is parsed, a runas_default setting in sudoers will specify the user to run the shell as but will not affect which shell is actually run. -K The -K (sure kill) option is like -k except that it removes the user's timestamp entirely. Like -k, this option does not require a password. -k The -k (kill) option to sudo invalidates the user's timestamp by setting the time on it to the Epoch. The next time sudo is run a password will be required. This option does not require a password and was added to allow a user to revoke sudo permissions from a .logout file. -L The -L (list defaults) option will list out the parameters that may be set in a Defaults line along with a short description for each. This option is useful in conjunction with grep(1). -l The -l (list) option will list out the allowed (and forbidden) com- mands for the invoking user on the current host. -P The -P (preserve group vector) option causes sudo to preserve the invoking user's group vector unaltered. By default, sudo will ini- tialize the group vector to the list of groups the target user is in. The real and effective group IDs, however, are still set to match the target user. -p The -p (prompt) option allows you to override the default password prompt and use a custom one. The following percent ('%') escapes are supported: %H expanded to the local hostname including the domain name (on if the machine's hostname is fully qualified or the fqdn sudoers option is set) %h expanded to the local hostname without the domain name %p expanded to the user whose password is being asked for (respects the rootpw, targetpw and runaspw flags in sudoers) %U expanded to the login name of the user the command will be run as (defaults to root) %u expanded to the invoking user's login name %% two consecutive % characters are collapsed into a single % character -S The -S (stdin) option causes sudo to read the password from the standard input instead of the terminal device. -s The -s (shell) option runs the shell ...

使命召唤6 买的游戏盘装的说是中文版 玩了不是中文而且竟然没有过场...

大哥 分给我行吧？config.cfg 以下// generated by Infinity Ward, do not modify unbindall bind TAB ＂+scores＂ bind ESCAPE ＂togglemenu＂ bind SPACE ＂+gostand＂ bind 1 ＂weapnext＂ bind 2 ＂weapnext＂ bind 3 ＂+actionslot 3＂ bind 4 ＂+actionslot 4＂ bind 5 ＂+actionslot 2＂ bind ` ＂toggleconsole＂ bind A ＂+moveleft＂ bind C ＂togglecrouch＂ bind D ＂+moveright＂ bind E ＂+melee＂ bind F ＂+activate＂ bind G ＂+frag＂ bind N ＂+actionslot 1＂ bind Q ＂+smoke＂ bind R ＂+reload＂ bind S ＂+back＂ bind W ＂+forward＂ bind ~ ＂toggleconsole＂ bind PAUSE ＂pause＂ bind CTRL ＂toggleprone＂ bind SHIFT ＂+breath_sprint＂ bind MOUSE1 ＂+attack＂ bind MOUSE2 ＂+speed_throw＂ bind MOUSE3 ＂+frag＂ seta ai_badPathSpam ＂0＂ seta ai_corpseCount ＂16＂ seta ai_ShowCanshootChecks ＂0＂ seta cg_blood ＂1＂ seta cg_bloodLimit ＂0＂ seta cg_bloodLimitMsec ＂330＂ seta cg_brass ＂1＂ seta cg_cursorHints ＂3＂ seta cg_debugInfoCornerOffset ＂0 0＂ seta cg_drawBreathHint ＂1＂ seta cg_drawFPS ＂Off＂ seta cg_drawFPSLabels ＂1＂ seta cg_drawMantleHint ＂1＂ seta cg_drawTurretCrosshair ＂1＂ seta cg_drawViewpos ＂0＂ seta cg_gameBoldMessageWidth ＂390＂ seta cg_gameMessageWidth ＂500＂ seta cg_hintFadeTime ＂100＂ seta cg_hudDamageIconHeight ＂64＂ seta cg_hudDamageIconInScope ＂0＂ seta cg_hudDamageIconOffset ＂128＂ seta cg_hudDamageIconTime ＂6000＂ seta cg_hudDamageIconWidth ＂128＂ seta cg_hudGrenadeIconEnabledFlash ＂0＂ seta cg_hudGrenadeIconInScope ＂1＂ seta cg_hudGrenadeIconMaxHeight ＂104＂ seta cg_hudGrenadeIconMaxRangeFlash ＂500＂ seta cg_hudGrenadeIconMaxRangeFrag ＂256＂ seta cg_hudStanceHintPrints ＂0＂ seta cg_invalidCmdHintBlinkInterval ＂600＂ seta cg_invalidCmdHintDuration ＂1800＂ seta cg_laserlight ＂0＂ seta cg_mapLocationSelectionCursorSpeed ＂0.6＂ seta cg_marks_ents_player_only ＂0＂ seta cg_nopredict ＂0＂ seta cg_small_dev_string_fontscale ＂1＂ seta cg_splatterHitAlpha ＂1＂ seta cg_splatterHitFadeInTime ＂0.05＂ seta cg_splatterHitFadeOutTime ＂0.1＂ seta cg_splatterHitFullInTime ＂0＂ seta cg_splatterHitInnerAngle ＂15＂ seta cg_splatterHitInnerRadius ＂0＂ seta cg_splatterHitOuterAngle ＂30＂ seta cg_splatterHitOuterRadius ＂0.2＂ seta cg_splatterTrackAlpha ＂1＂ seta cg_splatterTrackFadeInTime ＂0＂ seta cg_splatterTrackFadeOutTime ＂0.5＂ seta cg_splatterTrackFullInTime ＂0.3＂ seta cg_splatterTrackInnerAngle ＂5＂ seta cg_splatterTrackInnerRadius ＂0.4＂ seta cg_splatterTrackOuterAngle ＂20＂ seta cg_splatterTrackOuterRadius ＂0.6＂ seta cg_sprintMeterDisabledColor ＂0.8 0.1 0.1 0.2＂ seta cg_sprintMeterEmptyColor ＂0.7 0.5 0.2 0.8＂ seta cg_sprintMeterFullColor ＂0.8 0.8 0.8 0.8＂ seta cg_subtitleMinTime ＂3＂ seta cg_subtitleWidthStandard ＂320＂ seta cg_subtitleWidthWidescreen ＂320＂ seta cg_viewZSmoothingMax ＂16＂ seta cg_viewZSmoothingMin ＂1＂ seta cg_viewZSmoothingTime ＂0.1＂ seta cg_waterSheeting_brightness ＂0＂ seta cg_waterSheeting_contrast ＂1＂ seta cg_waterSheeting_darkTint ＂1 1 1＂ seta cg_waterSheeting_desaturation ＂0＂ seta cg_waterSheeting_distortionScaleFactor ＂0.021961 1 0 0＂ seta cg_waterSheeting_enable ＂0＂ seta cg_waterSheeting_fadeDuration ＂2＂ seta cg_waterSheeting_lightTint ＂0.780261 1 1＂ seta cg_waterSheeting_magnitude ＂0.0655388＂ seta cg_waterSheeting_radius ＂4.44051＂ seta cg_weaponCycleDelay ＂0＂ seta cl_freelook ＂1＂ seta cl_maxpackets ＂1000＂ seta cl_mouseAccel ＂0＂ seta cl_packetdup ＂0＂ seta cl_pitchspeed ＂140＂ seta cl_yawspeed ＂140＂ seta com_maxfps ＂0＂ seta com_recommendedSet ＂1＂ seta compassSize ＂1＂ seta con_errormessagetime ＂8＂ seta con_gameMsgWindow0FadeInTime ＂0.25＂ seta con_gameMsgWindow0FadeOutTime ＂0.5＂ seta con_gameMsgWindow0Filter ＂gamenotify obituary＂ seta con_gameMsgWindow0LineCount ＂6＂ seta con_gameMsgWindow0MsgTime ＂5＂ seta con_gameMsgWindow0ScrollTime ＂0.25＂ seta con_gameMsgWindow0SplitscreenScale ＂1＂ seta con_gameMsgWindow1FadeInTime ＂0.25＂ seta con_gameMsgWindow1FadeOutTime ＂0.5＂ seta con_gameMsgWindow1Filter ＂boldgame＂ seta con_gameMsgWindow1LineCount ＂6＂ seta con_gameMsgWindow1MsgTime ＂8＂ seta con_gameMsgWindow1ScrollTime ＂0.25＂ seta con_gameMsgWindow1SplitscreenScale ＂1.5＂ seta con_...

使命召唤6config原始文件

// generated by Infinity Ward, do not modifyunbindallbind TAB ＂+scores＂bind ESCAPE ＂togglemenu＂bind SPACE ＂+gostand＂bind 1 ＂weapnext＂bind 3 ＂+smoke＂bind 4 ＂+frag＂bind 5 ＂+actionslot 3＂bind 6 ＂+actionslot 2＂bind 7 ＂+actionslot 4＂bind ` ＂toggleconsole＂bind A ＂+moveleft＂bind C ＂togglecrouch＂bind D ＂+moveright＂bind E ＂+activate＂bind F ＂+activate＂bind N ＂+actionslot 1＂bind Q ＂weapnext＂bind R ＂+reload＂bind S ＂+back＂bind W ＂+forward＂bind ~ ＂toggleconsole＂bind PAUSE ＂pause＂bind ALT ＂+holdbreath＂bind CTRL ＂toggleprone＂bind SHIFT ＂+breath_sprint＂bind MOUSE1 ＂+attack＂bind MOUSE2 ＂+toggleads_throw＂bind MWHEELDOWN ＂+melee＂bind MWHEELUP ＂+melee＂seta ai_badPathSpam ＂0＂seta ai_corpseCount ＂16＂seta ai_ShowCanshootChecks ＂0＂seta cg_blood ＂1＂seta cg_bloodLimit ＂0＂seta cg_bloodLimitMsec ＂330＂seta cg_brass ＂1＂seta cg_cursorHints ＂3＂seta cg_debugInfoCornerOffset ＂0 0＂seta cg_drawBreathHint ＂1＂seta cg_drawFPS ＂Off＂seta cg_drawFPSLabels ＂1＂seta cg_drawMantleHint ＂1＂seta cg_drawTurretCrosshair ＂1＂seta cg_drawViewpos ＂0＂seta cg_gameBoldMessageWidth ＂390＂seta cg_gameMessageWidth ＂500＂seta cg_hintFadeTime ＂100＂seta cg_hudDamageIconHeight ＂64＂seta cg_hudDamageIconInScope ＂0＂seta cg_hudDamageIconOffset ＂128＂seta cg_hudDamageIconTime ＂6000＂seta cg_hudDamageIconWidth ＂128＂seta cg_hudGrenadeIconEnabledFlash ＂0＂seta cg_hudGrenadeIconInScope ＂1＂seta cg_hudGrenadeIconMaxHeight ＂104＂seta cg_hudGrenadeIconMaxRangeFlash ＂500＂seta cg_hudGrenadeIconMaxRangeFrag ＂256＂seta cg_hudStanceHintPrints ＂0＂seta cg_invalidCmdHintBlinkInterval ＂600＂seta cg_invalidCmdHintDuration ＂1800＂seta cg_laserlight ＂1＂seta cg_mapLocationSelectionCursorSpeed ＂0.6＂seta cg_marks_ents_player_only ＂0＂seta cg_nopredict ＂0＂seta cg_small_dev_string_fontscale ＂1＂seta cg_splatterHitAlpha ＂1＂seta cg_splatterHitFadeInTime ＂0.05＂seta cg_splatterHitFadeOutTime ＂0.1＂seta cg_splatterHitFullInTime ＂0＂seta cg_splatterHitInnerAngle ＂15＂seta cg_splatterHitInnerRadius ＂0＂seta cg_splatterHitOuterAngle ＂30＂seta cg_splatterHitOuterRadius ＂0.2＂seta cg_splatterTrackAlpha ＂1＂seta cg_splatterTrackFadeInTime ＂0＂seta cg_splatterTrackFadeOutTime ＂0.5＂seta cg_splatterTrackFullInTime ＂0.3＂seta cg_splatterTrackInnerAngle ＂5＂seta cg_splatterTrackInnerRadius ＂0.4＂seta cg_splatterTrackOuterAngle ＂20＂seta cg_splatterTrackOuterRadius ＂0.6＂seta cg_sprintMeterDisabledColor ＂0.8 0.1 0.1 0.2＂seta cg_sprintMeterEmptyColor ＂0.7 0.5 0.2 0.8＂seta cg_sprintMeterFullColor ＂0.8 0.8 0.8 0.8＂seta cg_subtitleMinTime ＂3＂seta cg_subtitleWidthStandard ＂320＂seta cg_subtitleWidthWidescreen ＂320＂seta cg_viewZSmoothingMax ＂16＂seta cg_viewZSmoothingMin ＂1＂seta cg_viewZSmoothingTime ＂0.1＂seta cg_waterSheeting_brightness ＂0＂seta cg_waterSheeting_contrast ＂1＂seta cg_waterSheeting_darkTint ＂1 1 1＂seta cg_waterSheeting_desaturation ＂0＂seta cg_waterSheeting_distortionScaleFactor ＂0.021961 1 0 0＂seta cg_waterSheeting_enable ＂0＂seta cg_waterSheeting_fadeDuration ＂2＂seta cg_waterSheeting_lightTint ＂0.780261 1 1＂seta cg_waterSheeting_magnitude ＂0.0655388＂seta cg_waterSheeting_radius ＂4.44051＂seta cg_weaponCycleDelay ＂0＂seta cl_freelook ＂1＂seta cl_maxpackets ＂1000＂seta cl_mouseAccel ＂0＂seta cl_packetdup ＂0＂seta cl_pitchspeed ＂140＂seta cl_yawspeed ＂140＂seta com_maxfps ＂0＂seta com_recommendedSet ＂1＂seta compassSize ＂1＂seta con_errormessagetime ＂8＂seta con_gameMsgWindow0FadeInTime ＂0.25＂seta con_gameMsgWindow0FadeOutTime ＂0.5＂seta con_gameMsgWindow0Filter ＂gamenotify obituary＂seta con_gameMsgWindow0LineCount ＂6＂seta con_gameMsgWindow0MsgTime ＂5＂seta con_gameMsgWindow0ScrollTime ＂0.25＂seta con_gameMsgWindow0SplitscreenScale ＂1＂seta con_gameMsgWindow1FadeInTime ＂0.25＂seta con_gameMsgWindow1FadeOutTime ＂0.5＂seta con_gameMsgWindow1Filter ＂boldgame＂seta con_gameMsgWindow1LineCount ＂6＂seta con_gameMsgWindow1MsgTime ＂8＂seta con_gameMsgWindow1ScrollTime ＂0.25＂seta con_gameMsgWindow1SplitscreenScale ＂1.5＂seta con_gameMsgWindow2FadeInTime ＂0.75...

【一篇英语文章我要一篇英语关于人生哲理的文章】作业帮

The meaning of human life should be in the process, rather than conclusions. Therefore, a person should not be to their own experiences and perspectives to influence another person, not to mention that he is not you, you would not be his. The process of personal growth of each is different, the ups and downs of life should be their own taste, try to be in life. You can not decide on the length of life, but you can control the width of it; you can not about the weather, but you can change the mood; you can not change the appearance, but you can show a smile; you can not control other people, but you can be masters of our own; you can not predict tomorrow, but you can use today; you can not do everything well, but you can do everything. Life is not water, there is always a number of unexpected things. Taishan collapse in the former and the color remains unchanged, Rising storm and calmly, it is very important. Turning the Tide often require mental skills, also need a good mentality. Less emotion and more thought, more caring and less hatred, life, only more beautiful. Done excellent work; to carefully care for the family; in a proper way to wealth; words and deeds to the performance of the grade; spending restraint should know; time to make reasonable arrangements; to cultivate the habit of reading; good habit to cultivate; to take part in public welfare activities ; to support sustainable development. In the disease, you are healthy; in detention, you are free; in suffering, you are happy. . . This is very simple? Unfortunately, you always feel that the former, the latter recalled. Rivers have been able to reach their destinations because of its know how to avoid obstacles. The best, not necessarily the most appropriate; the most suitable is the real best. Interested in a position to approach, love to love, can gather round to have dreams. Why do we live - to be happy, what kind of person the most beautiful - the people self-confidence; Therefore, we not only happy, but self-confidence. When a person to see their own navigation routes tortuous how he should best be left to their own conscience as a navigator. And know that at the appropriate time automatic control themselves, people's mentality in order to be truly balanced, but also can have a happy home. Friends of a certain tolerance for centuries the same boat; the husband and wife must co-tolerance Sleeping centuries; mutual tolerance beautiful world of peace must. Feeling young, like a person, love a flower, in fact, there is no right or wrong, we have grown up in the process; as long as the loved, love is beautiful too. Life is a gathering of fate, and sometimes separation is also a blessing of love. Love a person may not be the most important and sweet some of the chores of life reflects his you that love is the password. Opportunities such as water can not flow nowhere; opportunities, such as Moonlight, a gap can be kept. Life is yours, you should be in accordance with their aspirations to live. Singde money can also be moral hazard. If we have a good heart to help those in need of help. Then we will find there are a lot of the world is much more noble than money, but also something much more valuable. Might have lost it lost, at least to wait no longer indulge. Your life, you can do something only one time. It is now, however, many people are worried about the future of remorse in the past and a great waste of time. 人活着的意义应当是在过程，而不是结论.所以一个人不应该以自己的经验和观点去影响另一个人，何况他不是你，你也不是他.每一个人成长的过程都不一样，人生的酸甜苦辣应当自己尝一尝，尝试才是人生. 你不能决定生命的长度，但你可以控制它的宽度；你不能左右天气，但你可以改变心情；你不能改变容貌，但你可以展现笑容；你不能控制他人，但你可以掌握自己；你不能预知明天，但你可以利用今天；你不能样样顺利，但你可以事事尽力. 人生不是止水，总会出现许多出乎意料之事.泰山崩于前而色不变，风波骤起而泰然处之，就显得很重要.转危为安往往需要高超的心智，也需要好的心态.多思索少激动，多仁爱少仇恨，人生才变得更加美丽. 工作要做得出色；家庭要细心爱护；财富要取之有道；言行要表现品位；消费要知所节制；时间要合理安排；阅读要养成习惯；好的嗜好要培养；公益活动要参与；永续发展要支持. 在疾病之前，你是健康的；在禁锢之前，你是自由的；在苦难之前，你是幸福的.这很简单？不幸的是，你总是感觉到前者，回忆到后者. 河流之所以能够到达目的地，是因为它懂得怎样避开障碍. 最好的，不一定是最合适的；最合适的，才是真正最好的. 有心能知，有情能爱，有缘能聚，有梦能圆. 我们为什么而活着-为快乐，什么样的人最美——自信的人；所以我们不但快乐，而且自信. 当一个人...

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