Category Archives: OS

Mac OS X upgrade cURL with SSL support

Posted on 2023 年 11 月 16 日 by cowman.chiang

┌─Cowman@CLOUD-42:~/Downloads/20160511 └──$ sh curl.sh guList curl: (1) Protocol “‘https” not supported or disabled in libcurl ┌─Cowman@CLOUD-42:~/Downloads/20160511 └──$ brew install curl –with-nghttp2 ==> Installing dependencies for curl: openssl, pkg-config, libev, libevent, jansson, boost, libxml2, spdylay, nghttp2 ….

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Continuously print the file content

Posted on 2023 年 10 月 25 日 by cowman.chiang

Use the command ‘tail’ to print the file contents, starting from the beginning of the file and print new contents continuously.

tail +1f 'file'

1 2	tail +1f 'file'

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[Linux] pkill command

Posted on 2023 年 02 月 23 日 by cowman.chiang

I don’t know what’s going on. But we can use command “pkill” to delete those abnormal processes.

sudo pkill -f pgrep

1 2	sudo pkill -f pgrep

Reference: stackoverflow: How to kill all processes with a given partial name?

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Line breaks issue

Posted on 2023 年 02 月 03 日 by cowman.chiang

When we use command “ssh” with auto-completion, we get this error result. This is because we used the editor “sublime text” to edit the config before, which used the line endings of Windows. Then we can edit the setting of … Continue reading →

Posted in Mac, Sublime Text 2, Sublime Text 3 | Comments Off

Mount remote folder over ssh on mac

Posted on 2022 年 10 月 07 日 by cowman.chiang

Install sshfs Use brew (brew install sshfs) will get this error message, “Error: sshfs has been disabled because it requires FUSE!” Ref. https://github.com/telepresenceio/telepresence/issues/1654#issuecomment-1204676705 So download and install https://github.com/osxfuse/sshfs/releases/download/osxfuse-sshfs-2.5.0/sshfs-2.5.0.pkg Create local folder

# mkdir mountFolder

1 2	# mkdir mountFolder

Mount remote folder

# sshfs name@ssh_host:/path/to/folder mountFoldfer

1 2	# sshfs name@ssh_host:/path/to/folder mountFoldfer

Umount floder

# umount mountFolder

1 2	# umount mountFolder

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[Apache] wordpress permalink 404 issue

Posted on 2018 年 11 月 15 日 by cowman.chiang

edit site conf (vim /etc/apache2/sites-available/pr.site.org.conf)

<VirtualHost pr.site.org:80>       
        ServerName pr.site.org
        ServerAdmin webmaster@localhost
        DocumentRoot /var/www/pr.site.org
# !-- add this section
        <Directory /var/www/pr.site.org>
            Options Indexes FollowSymLinks MultiViews
            AllowOverride All
            Order allow,deny
            allow from all
        </Directory>
# !--
        ErrorLog ${APACHE_LOG_DIR}/pr_error.log
        CustomLog ${APACHE_LOG_DIR}/pr_access.log combined
</VirtualHost>

ServerName pr.site.org

ServerAdmin webmaster@localhost

DocumentRoot /var/www/pr.site.org

# !-- add this section

Options Indexes FollowSymLinks MultiViews

AllowOverride All

Order allow,deny

allow from all

</Directory>

# !--

ErrorLog ${APACHE_LOG_DIR}/pr_error.log

CustomLog ${APACHE_LOG_DIR}/pr_access.log combined

</VirtualHost>

enable apache2 rewrite module

a2enmod rewrite

1	a2enmod rewrite

restart apache2 service

service apache2 restart

1	service apache2 restart

Ref. [1] Victor Hung’s Diary: 「教學」解決 WordPress 固定網址設定 404 錯誤 [2] DigitalOcean: WordPress permalinks tried everything

Posted in Apache, Ubuntu, WordPress | Leave a comment

[Docker] The crontab is not work in docker

Posted on 2018 年 09 月 11 日 by cowman.chiang

Source: docker容器内cron不执行 vim /etc/pam.d/crond # The PAM configuration file for the cron daemon # # No PAM authentication called, auth modules not needed account required pam_access.so account sufficient pam_access.so account include password-auth session required pam_loginuid.so session sufficient pam_loginuid.so session include … Continue reading →

Posted in Docker, Linux | Leave a comment

[Python] fix error while loading shared libraries: libpython2.7.so.1.0

Posted on 2018 年 07 月 19 日 by cowman.chiang

error log: /opt/rh/python27/root/usr/bin/python: error while loading shared libraries: libpython2.7.so.1.0: cannot open shared object file: No such file or directory check libpython2.7.so.1.0 exist? find . -name ‘libpython2.7.so.1.0’ if the file was exist: edit the ldconfig config echo “/opt/rh/python27/root/usr/lib64” > /etc/ld.so.conf.d/python27.conf ldconfig … Continue reading →

Posted in CentOS, Python | Leave a comment

[Shelll Script] check tomcat status

Posted on 2018 年 07 月 04 日 by cowman.chiang

!/bin/bash tomcat7=$(ps -ef | grep tomcat | wc -l) echo ${#tomcat7} if [ ${#tomcat7} -gt 0 ]; then printf “tomcat is running\n” else printf “tomcat is not running\n” fi

Posted in Linux, Shell Script, Tomcat | Leave a comment

[Linux] more than one commands after the pipe

Posted on 2017 年 12 月 20 日 by cowman.chiang

Source: How to merge and pipe results from two different commands to single command? bash test.sh || { curl -X POST ‘https://testurl’ -d ‘{ “data”: { “type”: “type”, “content”: “測試” } }’; exit 1; }

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Category Archives: OS

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