account name is redhat, And the password is 123.
Next, let's create an email for your own experiment.
At this time, we can only work inside the server. If you want to work on the Internet, you still need
7. Here we will talk about server forwarding. When the recipient is not the server itself but another
The server needs to forward the relay
Edit the configuration file
The configuration of Sendmail is very complex. Its configuration file is sendmail. cf, bit
In the/etc/mail directory. Because
Reprint website: http://blog.sina.com.cn/s/blog_7dbd9c0e01018e4l.htmlRecently engaged in a block of St's CORTEX-M4 processor, and then down this document. Share a bit.In view of the current into the public vision of M0, M3, M4 made the following simple comparison, the content from arm and other official website, here is just finishing the next, looks more intuitive point, hehe.The CORTEX-M series is optimiz
Currently, many projects are using GUI compilers, such as kdevelop \ eclipse. It provides us with great convenience, but we still need to understand the compilation process. This article aims to briefly describe the source code (*. CPP *. h) Compile the executable file and give a brief explanation of the generated intermediate file. An example is provided later.
Related Tips explanations:
1. autoscan: scans source code to search for common
correct)
$sudo make Install
Error may be prompted when executing configure: Checking for suitable M4 ... configure:error:No usable M4 in $PATH Or/usr/5bin
This means we also have to install M4 this library, Portal: M4
$ TAR-XVF m4-1.4.16.tar.bz2
$ mkdir
Install pdo_oci in this step/usr/local/php/bin/phpize to warn config. m4: 179: warning: AC_CACHE_VAL (pdo_inc_path ,...): suspiciouscache-id, mu installation pdo_oci in this step/usr/local/php/bin/phpize this warning appears
Config. m4: 179: warning: AC_CACHE_VAL (pdo_inc_path,...): suspicious cache-id, must contain _ cv _ to be cached
.../../Lib/autoconf/general. m4
Install pdo_oci. in this step, the following warning appears in usrlocalphpbinphpize: config. m4: 179: warning: AC_CACHE_VAL (pdo_inc_path ,...): suspiciouscache-id, mustcontain_cv_tobecached .... libautoconfgeneral install pdo_oci in this step/usr/local/php/bin/phpize this warning appears
Config. m4: 179: warning: AC_CACHE_VAL (pdo_inc_path,...): suspicious cache-id, must contain _ cv _ to be cached
.../..
int y, d, M;int m1 = to, M2 = 31, M3 = To, M4 =, M5 = To, M6 =, M7 = to, M8 = to, M9 =, M10 =, M11 =--M12Console.WriteLine ("Please enter the Year");y = Convert.ToInt32 (Console.ReadLine ());If (y% 400 = = 0 | | (y% 4 = = 0 y% 100! = 0)){m2 = 29;}Console.WriteLine ("Please enter the month (input not will be treated as default 1)");m = Convert.ToInt32 (Console.ReadLine ());if (M > | | m {m = 1;}Console.WriteLine ("Please enter a date (the input will n
Common arm embedded learning questions and answers, designers and learners who are most concerned about the 11 questions:1.ARM Embedded is learning hardware good or learning software good?2. Embedded software and hardware, which kind of position is higher? Or, which one is more important in the design?3. After learning 51 single-chip computer, want to buy arm development Board to continue to study, is to buy ARM7 or ARM9?4. What kind of kernel do you study: ARM7, CORTEX-M3, CORTEX-
Install pdo_mysql with this warning in/usr/local/php/bin/phpizeConfig. m4: 179: warning: AC_CACHE_VAL (pdo_inc_path,...): suspicious cache-id, must contain _ cv _ to be cached.../../Lib/autoconf/general. m4: 1974: AC_CACHE_VAL is expanded from....../../Lib/autoconf/general. m4: 1994: AC_CACHE_CHECK is expanded from...Aclocal.
, where the default/usr/local/include and/usr/local/lib are used) 4 $ make5 $ make check (this step is used to ensure correct compilation) 6 $ sudo make install
If an error is prompted during configure execution:
checking for suitable m4... configure: error: No usable m4 in $PATH or /usr/5bin
We also need to install the M4 library.
1 $ tar-xvf
the regulatory process, it is necessary to add relevant authorized users to MySQL so that MySQL can support the maintenance of the supervision machine. Authorized users include a mmm_monitor user and a mmm_agent user, and add a mmm_tools user if you want to use the MMM Backup tool.Lab Environment:Prepare five server simulations, as shown in the table:
Host
Operating System
IP Address
main software
MYSQL-M1 Server
CentOS7.4 x86_64
1
'] = implode ($ tmp1 ); sqlInsert ($ tmp1) ;}}} Foreach (level 3) // There are no small numbers in this group. {// the following values are different If (! $ M3 ['id'] ['third type of data'] ['empty']) {$ m3 ['id'] ['third type of data'] ['empty'] = implode ($ tmp2 ); // $ tmp: sqlInsert ($ tmp2 );} else {If ($ m3 ['id'] ['third type of data'] ['empty'])! = Implode ($ tmp2) {$ m3 ['id'] ['third type of data'] ['empty'] = implode ($ tmp2 ); sqlInsert ($ tmp2) ;}}// the following information about
method you want to use. The following example uses
Saslauthd to verify the authentication request.
# Cd/usr/lib/sasl2
# Echo 'pwcheck _ method: saslauthd'>; Sendmail. conf
3. Test
OK. Now you can run saslauthd and perform the test.
# Cd/usr/local/sasl2/sbin
#./Saslauthd-a shadow
Use the shadow user and password for verification.
#./Testsaslauthd-u userid-p password
0: OK "Success ."
If the preceding information is displayed, saslauthd is running properly. The testsaslauthd program is not compi
. decompress the code package tar-zxvf thrift-0.2.0-incubating.tar.gz
4. Copy thrift to the installation directory CP-r thrift0.2.0/usr/local/
5. CD/usr/local/thrift0.2.0 run the./Bootstrap. sh shell script in this directory. You may encounter these two errors in this step.
Error 1
[Root @ localhost thrift] #./Bootstrap. Sh -- enable-m4_pattern_allow
Libtoolize: You shocould Add the contents of './aclocal/libtool. M4' to 'aclocal.
cflow system. Parsing with this option may cause some misunderstandings.-U name (-- undefine = name) cancels the previous name Definition-L (-- print-level) prints the number of nested layers. The layers are printed at the end of the output line (if -- number or -- format = posix is used, the layers are enclosed in braces ).-T (-- tree) uses ASCII code to print and call the tree.-- Usage provides brief usage information.-V (-- verbose) prints all error messages in detail. The error information
each tool in sequence **** (2) modify configure. ac, m4, and Makefile. am ***The flowchart is as follows:The procedure is as follows:(1) the source code root directory calls the autoscan script to generate the configure. scan file, and rename the file to configure. ac (or configure. in, early use of the. in suffix)(2) modify [configure. ac] and use various M4 macros provided by autoconf to configure variou
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