Uncategorized

tmux common commands and best practice

Uncategorized /

Here are some simple and commonly used tmux commands that will help you navigate and manage your tmux sessions efficiently. Basic tmux Commands 1. Start a new tmux session: tmux This will start a new tmux session and bring you into the tmux environment. 2. Create a new named tmux session: tmux new -s session_name Replace session_name with a name of your choice. 3. Attach to an existing session: tmux attach-session -t session_name If a tmux session is running, this will re-attach to it. 4. List a[…]

tmux common commands and best practice Read More »

Using curl to test speed test of url

Uncategorized, Linux /

I like some fast way to test the connection speed from my local host or my server, so I often use this way to test the connect time speed. time curl -o /dev/null -s -w “Connect: %{time_connect}s\nTTFB: %{time_starttransfer}s\nTotal time: %{time_total}s\n” [URL] Replace [URL] with the URL you want to test. Here’s a breakdown of the command: time: This will measure the real elapsed time of the entire command. -o /dev/null: Discards the output of the curl command. -s: Makes curl operate in “silent”[…]

Using curl to test speed test of url Read More »

Installing Bitnami WordPress Nginx into Apple m1

Uncategorized, Apple, Bitnami, Wordpress /

Preparing Folders Prepare the a project folders that put your mariadb data and Wordpress files data. # cd ~ # mkdir wp # cd wp # mkdir mariadb # mkdir wordpress The folders we need /Users/juzhax/wp /Users/juzhax/wp/mariadb /Users/juzhax/wp/wordpress Preparing the Docker Compose file touch /Users/juzhax/wp/docker-compose.yml Insert the data using your favorite editor. I like to use vim vim /Users/juzhax/wp/docker-compose.yml version: ‘2’ services: mariadb: image: docker.io/bitnami/mariadb:10.6 vo[…]

Installing Bitnami WordPress Nginx into Apple m1 Read More »

Safely inject the values into SQL

Uncategorized /

Other than using bind in SQL, this is the old school way to solve the SQL query to prevent injection attack Sample Code // a sample list of values to use in IN(): $values = [1,4,10,’12a’,’xy\’z’]; // VERSION 1. For integers: make sure all array elements are integers $in = implode(‘,’, array_map(‘intval’, $values)); // VERSION 2. For strings: apply PDO::quote() function to all elements $in = implode(‘,’, array_map([$pdo, ‘quote’], $values)); // VERSION 3. Custom sanitization: allow only letters a[…]

Safely inject the values into SQL Read More »

configure: error: Missing required libcurl dev >= 7.18.2

Uncategorized /

Error in CentOS configure: error: Missing required libcurl dev >= 7.18.2 [root@ns4007603 cgminer]# yum install libcurl Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile base: centos.mirror.nexicom.net epel: ftp.osuosl.org extras: centos.mirror.nexicom.net updates: centos.mirror.nexicom.net Setting up Install Process Package libcurl-7.19.7-37.el6_4.x86_64 already installed and latest version Nothing to do You have the newer

configure: error: Missing required libcurl dev >= 7.18.2 Read More »

Error: org.macports.fetch for port sqlite3 returned: fetch failed

Uncategorized /

Error: org.macports.fetch for port sqlite3 returned: fetch failed Please see the log file for port sqlite3 for details: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_databases_sqlite3/sqlite3/main.log Error: Unable to upgrade port: 1 To report a bug, follow the instructions in the guide: http://guide.macports.org/#project.tickets Solve port -v fetch caml-sqlite3

Error: org.macports.fetch for port sqlite3 returned: fetch failed Read More »

MongoDB Error: exception in initAndListen std::exception: boost::filesystem::exists: Permission denied: “/sys/devices/system/node/node1”

Uncategorized /

I found this error while installed yum install mongo-10gen-2.2.3 mongo-10gen-server-2.2.3 in CentOS 6.4 64bit Wed Oct 16 16:19:08 [initandlisten] MongoDB starting : pid=22457 port=27017 dbpath=/var/lib/mongo 64-bit host=xxxxxxx.net Wed Oct 16 16:19:08 [initandlisten] exception in initAndListen std::exception: boost::filesystem::exists: Permission denied: “/sys/devices/system/node/node1”, terminating Wed Oct 16 16:19:08 dbexit: Wed Oct 16 16:19:08 [initandlisten] shutdown: going to close

MongoDB Error: exception in initAndListen std::exception: boost::filesystem::exists: Permission denied: “/sys/devices/system/node/node1” Read More »