apt list --installed 2>/dev/null | grep php
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Category Archives: linux
PHP Warning: Cannot load module ‘phalcon’ because required module ‘psr’ is not loaded in Unknown on line 0
apt install php7.4-psr
php -m | egrep ‘phalcon|psr’
phalcon
psr
find newest file in directory linux
find /some/path -type f -printf "%T@ %p\n" | sort -n | cut -d' ' -f 2- | tail -n 1
php check write permission folder
<?php
$filename = 'test.txt';
if (is_writable($filename)) {
echo 'The file is writable';
} else {
echo 'The file is not writable';
}
?>
wg-quick: /usr/bin/wg-quick: line 32: resolvconf: command not found
apt install openresolv
503 valid rcpt command must precede data cPanel
You should check if cPanel mailbox disk quota not exceeded
An error occurred while saving sent message. Unable to perform operation. No free disk space.
Roundcube error message. you should check if mailbox disk quota not exceeded
A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: wheezy Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 9334A25F8507EFA5
apt-key adv --keyserver keys.gnupg.net --recv-keys 9334A25F8507EFA5
(invalid since 900d 10h 15min 15s). Updates for this repository will not be applied.
apt-get -o Acquire::Check-Valid-Until=false update
journalctl mysql logs
journalctl -u mysql.service -f
jq: error while loading shared libraries: libonig.so.5: cannot open shared object file: No such file or directory
yum install oniguruma -y
yum install libsodium -y
mysqld[]: mysqld: Can’t read dir of ‘/etc/mysql/mysql.conf.d/’ (Errcode: 13 – Permission denied)
journalctl -u mysql.service -f
mysqld[]: mysqld: Can’t read dir of ‘/etc/mysql/mysql.conf.d/’ (Errcode: 13 – Permission denied)
mysqld[]: mysqld: [ERROR] Fatal error in defaults handling. Program aborted!
mysql.service: Control process exited, code=exited, status=1/FAILURE
systemd[1]: mysql.service: Failed with result ‘exit-code’.
systemd[1]: Failed to start MySQL Cluster Community Server.
ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/
apparmor_parser -R /etc/apparmor.d/usr.sbin.mysqld
check if certificate and key match
openssl pkey -in ssl_key.key -pubout -outform pem | sha256sum
openssl x509 -in ssl_cert.crt -pubkey -noout -outform pem | sha256sum
apk install telnet
apk update
apk add busybox-extras
csf flush all blocks
The firewall on this server is blocking your connection
csf -df