How to fix php 7.2 503 Service Unavailable Litespeed Error

Thanks to EA4 (EasyApache 4), WHM cPanel now allows multiple php versions to be installed simultaneously. Here is a peculiar example of getting php 7.2 enabled on a cpanel server with LiteSpeed and grsec kernel enabled on server.

Assumption: Here we are assuming a scenario where we have WHM cPanel server installed on Centos 6 and configured with ASL (Atomic Secured Linux) available from Atomicorp.com.

When ASL is enabled, server will be booted into ASL kernel powered by grsecurity modules and rules.

The procedure to enable php 7.2 from WHM would be to login to WHM -> EasyApache 4 -> Customize – PHP versions -> Enable 7.2

Once PHP 7.2 is enabled on server, you will need to enable in Litespeed. To do so, login to Litespeed web interface by visiting your server url with port 7080

Once logged in login to Configuration -> Server -> External App -> Add

Then you will need to add Script Handler so click on Script Handler -> Add. Make sure to configure handler type as “LiteSpeed SAPI” and handler name as “[Server Level]: lsphp72”

Save and restart LiteSpeed web server. Now when you configure php 7.2 for a particular account from WHM -> MultiPHP Manager and access the website in browser, you will notice error “503 Service Unavailable, Please try again later”

On debugging you will notice logs in /usr/local/apache/logs/error_logs as follows:

connection to [/tmp/lshttpd/APVH_xxxxxxx_Suphp72.sock.825] on request #0, confirmed, 1, associated process: 14544, running: 1, error: Connection reset by peer!
2018-01-26 09:45:21.065 [NOTICE] [xxxxxxx:59282] No request delivery notification has been received from LSAPI process group [14544], possible run away process.
2018-01-26 09:45:21.066 [NOTICE] [xxxxxxxx:59282] Retry with new process group.
2018-01-26 09:45:21.066 [NOTICE] Graceful stop process group lead by pid: 14544
2018-01-26 09:45:21.067 [INFO] [APVH_xxxxxxx_Suphp72:] PID: 23289, add child process pid: 14593, procinfo: 0x4e5e970
2018-01-26 09:45:21.155 [INFO] [xxxxxxxx:59282] connection to [/tmp/lshttpd/APVH_xxxxxx_Suphp72.sock.413] on request #0, confirmed, 1, associated process: 14593, running: 1, error: Connection reset by peer!
2018-01-26 09:45:21.155 [NOTICE] [xxxxxxx:59282] Max retries has been reached, 503!
2018-01-26 09:45:21.155 [NOTICE] [xxxxxxx:59282] oops! 503 Service Unavailable
2018-01-26 09:45:21.155 [NOTICE] [xxxxxxx:59282] Content len: 0, Request line: ‘GET /~xxxxxxxx/ HTTP/1.1’
2018-01-26 09:45:21.155 [NOTICE] [xxxxxxx:59282] Redirect: #1, URL: /index.php
2018-01-26 09:45:21.155 [INFO] [xxxxxxx:59282] abort request…, code: 4
2018-01-26 09:45:21.155 [INFO] [xxxxx:59282] File not found [/home/xxxxx/public_html/503.shtml]

Further tailing /var/log/messages, you will notice errors similar to:

Jan 26 11:05:19 xxxxxxx kernel: [1331781.378288] PAX: terminating task: /opt/cpanel/ea-php72/root/usr/bin/lsphp(lsphp):25821, uid/euid: 591/591, PC: 0000036c959c2010, SP: 000003d92b1a9c28
Jan 26 11:05:19 xxxxxxx kernel: [1331781.381445] PAX: bytes at PC: 53 41 57 41 56 41 55 55 48 8b df 48 83 ec 50 48 8b 43 10 48
Jan 26 11:05:19 xxxxxxx kernel: [1331781.383039] PAX: bytes at SP-8: 0000036c92aa5460 00000000004c3253 000003d92b1a9cc0 00000000040b3d70 0000000004187f20 0000036c92a01900 0000036c92a01900 0000036c92a01909 000003d92b1a9cc0 0000000000000004 0000000000000000
Jan 26 11:05:19 xxxxxxx kernel: [1331781.386756] grsec: From xxxxxxx: denied resource overstep by requesting 64 for RLIMIT_CORE against limit 0 for /opt/cpanel/ea-php72/root/usr/bin/lsphp[lsphp:25821] uid/euid:591/591 gid/egid:589/589, parent /opt/cpanel/ea-php72/root/usr/bin/lsphp[lsphp:25820] uid/euid:591/591 gid/egid:589/589
Jan 26 11:05:19 xxxxxxx PAM-hulk[25770]: Brute force detection active: 580 LOGIN DENIED — EXCESSIVE FAILURES — IP TEMP BANNED
Jan 26 11:05:19 xxxxxxx kernel: [1331781.391657] grsec: From xxxxxxx: denied resource overstep by requesting 120 for RLIMIT_CORE against limit 0 for /opt/cpanel/ea-php72/root/usr/bin/lsphp[lsphp:25821] uid/euid:591/591 gid/egid:589/589, parent /opt/cpanel/ea-php72/root/usr/bin/lsphp[lsphp:25820] uid/euid:591/591 gid/egid:589/589
Jan 26 11:05:19 xxxxxxx kernel: [1331781.396551] grsec: From xxxxxxx: denied resource overstep by requesting 176 for RLIMIT_CORE against limit 0 for /opt/cpanel/ea-php72/root/usr/bin/lsphp[lsphp:25821] uid/euid:591/591 gid/egid:589/589, parent /opt/cpanel/ea-php72/root/usr/bin/lsphp[lsphp:25820] uid/euid:591/591 gid/egid:589/589
Jan 26 11:05:19 xxxxxxx kernel: [1331781.401450] grsec: From xxxxxxx: denied resource overstep by requesting 232 for RLIMIT_CORE against limit 0 for /opt/cpanel/ea-php72/root/usr/bin/lsphp[lsphp:25821] uid/euid:591/591 gid/egid:589/589, parent /opt/cpanel/ea-php72/root/usr/bin/lsphp[lsphp:25820] uid/euid:591/591 gid/egid:589/589
Jan 26 11:05:19 xxxxxxx kernel: [1331781.406601] grsec: From xxxxxxx: bruteforce prevention initiated for the next 30 minutes or until service restarted, stalling each fork 30 seconds. Please investigate the crash report for /opt/cpanel/ea-php72/root/usr/bin/lsphp[lsphp:25821] uid/euid:591/591 gid/egid:589/589, parent /opt/cpanel/ea-php72/root/usr/bin/lsphp[lsphp:25820] uid/euid:591/591 gid/egid:589/589

The error is likely due to the fact that the grsec kernel which is installed on server from ASL, is assuming php 7.2 as insecure and hence, restricting it. This means that PHP is trying to violate the kernels memory protection features. Unfortunately, PHP 7 needs to operate in this insecure manner. To allow PHP to operate this way, follow the steps below:

The solution here is to configure the system to allow php to run insecurely. This can be achieved by :

Stopping Litespeed webserver on the server using command:

cd /usr/local/lsws/bin

./lswsctrl stop

Then give the command:

paxctl -m /opt/cpanel/ea-php72/root/usr/bin/lsphp

If you receive error similar to “file /opt/cpanel/ea-php72/root/usr/bin/lsphp does not have a PT_PAX_FLAGS program header, try conversion” then try following solution

paxctl -c /opt/cpanel/ea-php72/root/usr/bin/lsphp

and finally restart Litespeed webserver using command:

./lswsctrl restart

Accessing your website now configured with php 7.2 version on a cPanel server with Litespeed and ASL (Automic Secure Linuc) or grsec kernel should now work sucessfully.

Solution to Centos 6 / Centos 7 VM not booting on Citrix Xenserver

Solution to Centos 6 or Centos 7 vm not booting on Citrix Xenserver after kernel update

With latest kernel update, Centos 6 and Centos 7 vm’s on Citrix Xenserver are found not booting when rebooted.

After installing the latest updates (including the latest kernel), neither boots. The virtual serial consoles provided by the VM services show nothing.

As an alternative the only solution is

to manually boot the affected VM into old kernel
Or to install Centos Plus kernel
Or simply do not update kernels on Centos 6 / Centos 7 vm’s

This issue is apparently something to do with the new code for the “meltdown” vulnerability and is currently failing on both el6 and el7 latest kernels.

This is being tracked in https://bugs.centos.org/view.php?id=14336

Solution :

If you have already updated the kernel then manually configure grub to boot into old kernel

You can try installing Centos Plus kernel as follows:

Edit the following file:

/etc/yum.repos.d/CentOS-Base.repo

2) Change the following section from

[base]
name=CentOS-$releasever – Base
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

#released updates
[updates]
name=CentOS-$releasever – Updates
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

To:

Then to enable Centos Plus apply the following section to this file from:

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever – Plus
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

To:

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever – Plus
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
includepkgs = kernel *

Once done, you can now install Centos-plus kernel as follows:

yum install kernel-plus

The VPS now when booted into new kernel, will come up in Centos 6 kernel plus with similar output:

uname -r
2.6.32-696.16.1.el6.centos.plus.x86_64

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How to auto delete old emails for cPanel User

If your mailbox that is always going over-quota or filling up with mail like your default account or your spam box and you don’t want to have to keep logging in and deleting the emails manually below you can find the steps how to auto delete the emails.

Log on to your cPanel Interface.
Go to ”Advanced‘ section.
Click on “Cron Jobs“.
Select the specific time from the lists provided.
You should enter the command to run in the “Command” field.

Note: You should make sure to enter the proper command and the full path to the file.

Check the relevant screen captures:

To do this enter the following information in the following fields:

Minute: 45
Hour: 06
Day: *
Month: *
Weekday: *

Command: /usr/bin/archivemail –quiet –delete –days 10 /home/{USER}/mail/inbox

Make sure you replace {USER} with your actual cPanel username.

Hit the Commit Changes button and wait until sometime after 6:45 AM (assuming you set it up to run at that time) and login to your default email account to see if your emails have been deleted

If everything looks good your default inbox will now have any emails that are older than 10 days automatically deleted

To login into your default email account you use your cpanel username and password

If you wanted to have all the emails deleted that are older than three days you would simply change the –days option to 3

If you wanted to have all emails inside your mail directory including sent mail, spam, etc. that are older than 30 days deleted…
/usr/bin/archivemail –quiet –delete –days 30 /home/{USER}/mail/*

If you had an email account named info @ yourdomain.com and wanted to have all the emails in that inbox that are older than seven days deleted…
/usr/bin/archivemail –quiet –delete –days 7 /home/{USER}/mail/{yourdomain.com}/info/inbox

If you had an email account named info @ yourdomain.com and wanted to have all the emails in your sent-mail folder that are older than twenty-one days deleted…
/usr/bin/archivemail –quiet –delete –days 21 /home/{USER}/mail/{yourdomain.com}/info/sent-mail

Don’t forget to change {yourdomain.com} to your actual domain name !

You can look in your mail directory via your ftp client or the online file manager to see where your mailboxes are located.

NOTE: We *CANNOT* recover mail deleted in this manner, so please use this tutorial at your own risk

POP and IMAP email settings for Outlook

To add your email account to Outlook, Outlook on the web, Outlook.com, or the Mail and Calendar apps for Windows 10, you’ll need several pieces of information including the type of account, the incoming and outgoing server names, and the SSL and port settings.

Your email provider can give you these settings, but we’ve provided the settings for the most popular email providers below.

Below you will find POP and IMAP server settings

You can find your server settings below. If your provider isn’t listed, visit your email provider’s website and contact their technical support.

Gmail

You have to enable IMAP or POP access at http://mail.google.com before you can add your account to any other applications.

IMAP incoming server: imap.gmail.com
IMAP port: 993
IMAP SSL: Yes
SMTP outgoing server: smtp.gmail.com
SMTP port: 587
SMTP SSL or TLS: TLS
POP incoming server: pop.gmail.com
POP port: 995
POP SSL: Yes

If you’d like us to add your email provider, please leave us a comment below with the name of your provider. We can’t add every provider, but we will try to add popular ones on a regular basis.

Outlook.com

IMAP incoming server: imap-mail.outlook.com
IMAP port: 993
IMAP encryption (SSL/TLS): TLS
SMTP outgoing server: smtp-mail.outlook.com
SMTP port: 587
SMTP encryption: STARTTLS
POP incoming server: pop-mail.outlook.com
POP port: 995
POP encryption (SSL/TLS): TLS

If you’d like us to add your email provider, please leave us a comment below with the name of your provider. We can’t add every provider, but we will try to add popular ones on a regular basis.

Yahoo!

IMAP incoming server: imap.mail.yahoo.com
IMAP port: 993
IMAP SSL: Yes
SMTP outgoing server: smtp.mail.yahoo.com
SMTP port: 465 or 587
SMTP SSL or TLS: SSL
POP incoming server: pop.mail.yahoo.com
POP port: 995
POP SSL: Yes

If you’d like us to add your email provider, please leave us a comment below with the name of your provider. We can’t add every provider, but we will try to add popular ones on a regular basis.

How to Setup Email in Outlook 2016

Note: To complete these steps, you will need to know your email address and password provided by your Internet service provider (ISP).

Select the type of email account you want to add to Outlook 2016.

You can use these steps to add your first account as well as all additional accounts.

Office 365, Exchange, Outlook.com, Hotmail.com, or Live.com

Most email accounts, including Office 365, Exchange server accounts, Outlook.com, Hotmail.com, and Live.com accounts can be set up in a few quick steps.

Open Outlook 2016.

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Select File > Add Account.

Enter your email address, then select Connect or, if your screen looks different, enter your name, email address, and password, and then select Next.

If prompted, enter your password and select OK.

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That’s it. Select Finish to start using Outlook 2016.

Gmail

Before you add your Gmail account to Outlook, you’ll need to turn on two-factor authentication with Gmail and generate an app password from the Gmail website. After you have that app password, you can add your Gmail account to Outlook.

An app password is a one-time password that you’ll use in place of your regular Gmail email password. It lets Gmail confirm that you’re the person accessing your email.

Step 1: Generate an app password from Gmail

Go to Gmail from your browser, then select the Google apps icon in the upper right corner of the screen.

Select My Account > Sign-in & security > Signing in to Google.

Under Password & sign-in method, if 2-Step Verification is ON, skip to the next step. Otherwise, select 2-Step Verification and follow the prompts. When you’re done, select the back arrow at the top of the screen.

Under Password & sign-in method > App passwords.

Enter your Google password > Sign in. At the bottom of the next screen, select Mail and Windows Computer from the drop-down lists >Generate.

Google will display an app password for you. Make a note of this password (without the spaces).

Step 2: Add your Gmail account to Outlook 2016

Open Outlook 2016.

Select File > Add Account.

Enter your email address, then select Connect or, if your screen looks different, enter your name, Gmail address, and the app password from step 6 above, and then select Next.

If prompted, enter the app password you generated in Step 6 above > OK.

That’s it. Select Finish to start using Outlook.

iCloud, Apple, or @me.com accounts

Before you add your iCloud, Apple, or @me.com account to Outlook, you’ll need to turn on two-factor authentication with iCloud and generate an app password from the iCloud website. After you have that app password, you can add your account to Outlook.

An app password is a one-time password that you’ll use in place of your regular password. It lets iCloud confirm that you’re the person accessing your email.

Step 1: Generate an app password from iCloud

Line

Go to the Apple ID website from your browser, enter your Apple ID and password.

Line

If you’ve already turned on two-factor authentication, you’ll receive a code on one of your devices. Enter this code to continue. Otherwise, turn on two-factor authentication.

Line

In the Security section, under APP-SPECIFIC PASSWORDS, select Generate Password…

Line

Enter a name, such as Outlook and select Create.

Line

Copy the app password displayed. Make a note of this password.

Step 2: Add your iCloud account to Outlook 2016

Open Outlook 2016.

Select File > Add Account.

Enter your email address, then select Connect or, if your screen looks different, enter your name, iCloud or Apple or @me.com address, and the app password from step 5 above, and then select Next.

If prompted, enter the app password you generated in Step 5 above once more > OK.

Line

That’s it. Select Finish to start using Outlook.

YAHOO

Before you add your Yahoo account to Outlook 2016, you’ll need to generate an app password from the Yahoo website. After you have that app password, you can add your Yahoo account to Outlook.

An app password is a one-time password that you’ll use in place of your regular Yahoo email password. It lets Yahoo confirm that you’re the person accessing your email.

Note: Microsoft is investigating an issue that causes some users to be unable to setup their IMAP accounts (Gmail, Yahoo, Apple, and others). If you attempt to add your account to Outlook and are not asked for a password, you are affected by this issue. For a workaround, see Outlook doesn’t ask me for a password.

Step 1: Generate an app password from Yahoo

Go to Yahoo from your browser, then select the settings icon in the upper right corner of the screen.

Line

Select Account info > Account security. You may need to sign in again.

Line

If needed, turn on two-step verification. Otherwise, select Manage app passwords.

Select Outlook Desktop from the drop-down list, and then select Generate.

Line

Yahoo will display an app password for you. Make a note of this password (without the spaces).

Step 2: Add your Yahoo account to Outlook 2016

Line

Open Outlook 2016.

Line

Select File > Add Account.

Line

Enter your email address, then select Connect or, if your screen looks different, enter your name, email address, and the app password from step 5 above > Next .

Line

If prompted again, enter the app password you generated in step 5 above, then select OK.

Line

That’s it. Select Finish to start using Outlook.

Other email account (or I don’t know)

If you have an account through your Internet Service Provider, mobile phone company, or a business that doesn’t use an Exchange server, Outlook will try to find your settings for you. However, if Outlook can’t find your settings, you can look them up in our email provider settings reference. Select the type of account you have and note the settings you’ll need for Outlook 2016.

Open Outlook 2016.

Select File > Add Account.

Enter your email address, then select Connect or, if your screen looks different, enter your name, email address, and password, and then select Next.

Enter your password and select OK. You may need to enter the password more than once.

Outlook may display a screen that lists all of your email server settings. Select Connect.

That’s it. Select Finish to start using Outlook.

Manual setup

Sometimes, Outlook’s automatic setup fails. If so, you can add most account types manually. You cannot add an Exchange server account manually. If you want to add an Office 365 email account manually, you’ll have to add it as an IMAP account.

Open Outlook 2016.

Select File > Add Account.

Select Advanced Setup > Let me set up my account manually > Connect.

Select your account type, usually POP or IMAP.

You can find the Incoming and Outgoing mail server, Port, Encryption method, and Secure Password Authentication information in the POP and IMAP account settings topic. Select Connect.

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That’s it. Select Finish to start using Outlook.

If you’re having trouble adding your account to Outlook 2016, double-check the following settings:

Your User name is your full email address.
Your Incoming server port is usually 993.
Your Outgoing server port is usually 465.

Solution to Centos 6 or Centos 7 vm not booting on Citrix Xenserver after kernel update

As an alternative the only solution is

to manually boot the affected VM into old kernel

Or to install Centos Plus kernel

Or simply do not update kernels on Centos 6 / Centos 7 vm’s

This issue is apparently something to do with the new code for the “meltdown” vulnerability and is currently failing on both el6 and el7 latest kernels.